hitachi seiki 21L, CS20 Maintenance Manual

INVERTED VERTICAL TURNING CELL

CS20

INSTRUCTION MANUAL

MAINTENANCE

SEIKI - SEICOS å21L

43 Edition 1.01 11-2000

Hitachi Seiki Deutschland
Werkzeugmaschinen GmbH

2

Introduction

Thank you for your having purchased the machine, favoring our product lines for your use.
This manual contains fundamental information on the maintenace. Please read and fully understand
the contents for your safe machine operation.
In particular , the contents of the items concerning safety in this manual and the descriptions on the
“caution plates” attached to the machine are important. Please follow the instructions contained
and keep them always in mind to ensure safe operation.
The reference record papers on adjusting setting values such as a parameter list are attached to
the machine unit and enclosed in the packing. These are necessary for maintenance and
adjustment of the machine later on. Please keep them safely not to be mislaid.
The design and specifications of this machine may be changed to meet any future improvement.
As the result, there may arise some cases where explanations in this manual could become partly
inconsistent with the actual machine. Please note this point in advance.
In this manual, items on the standard and optional specifications are handled indiscriminately.
Please refer to the “delivery note” for the detailed specification of your machine confirmation.

1

2

CONTENTS

1. INSTALLATION.................................................................................... 1 - 1

1-1 Machine Installation............................................................................................... 1 - 1

1-1-1 Environment of the Machine........................................................................... 1 - 1

1-1-2 Slinging Operation......................................................................................... 1 - 5

1-1-3 Forklift operation ........................................................................................... 1 - 5

1-1-4 Cleaning of Machine...................................................................................... 1 - 6

1-1-5 Power Source and Pneumatic Source ........................................................... 1 - 7

1-1-6 Change of Electric Specification Machining Source Power

V olt age and Cycle ......................................................................................... 1 - 8

1-1-7 Connection of Chip Conveyor ...................................................................... 1 - 10

1-1-8 Installation and Leveling............................................................................... 1 - 1 1

1-2 Lubrication and Oil Supply ..................................................................................1 - 13

1-3 Coolant............................................................................................................... 1 - 15

1-4 Check before trial operation of the machine ........................................................1 - 20

2. MAINTENANCE AND CHECKING ...................................................... 2 - 1

2-1 Daily Checking Items ............................................................................................2 - 1

2-2 Periodic Check Items............................................................................................2 - 5

3. MAINTENANCE AND ADJUSTMENT ................................................ 3 - 1

3-1 Adjusting Method of X and Z Axes Backlash.......................................................... 3 - 1

3-2 Hydraulic Unit/Hydraulic Circuit Diagram...............................................................3 - 3

3-3 Hydraulic Chuck....................................................................................................3 - 4

3-4 Layout of Electric App aratus and Pneumatic Circuit Diagram................................ 3 - 9

3-5 Restoration of NC Torque Limiter........................................................................ 3 - 11

3-6 Returning Method from face declination of turret index.........................................3 - 12

3-7 Alarm Diagnosis ................................................................................................. 3 - 13

3-7-1 When the Warning Lamp (Call Light) Lights ON............................................3 - 13

3-7-2 Alarm Display.............................................................................................. 3 - 14

3-7-3 Display of Switch St atus .............................................................................. 3 - 15

i

4. REFERENCE MATERIALS FOR MENTENANCE

AND ADJUSTMENT....................................................... 4 - 1

4-1 Servo Unit.............................................................................................................4 - 1

4-1-1 Alarm Concerning Power Supply Unit

(Source Power of Spindle/Servo Amplifier)..................................................... 4 - 1

4-1-2 Spindle Amplifier S tatus Display .................................................................... 4 - 4

4-1-3 Spindle Amplifier Alarm.................................................................................. 4 - 5

4-1-4 Detail of S pindle Amplifier Alarm Content s................................................... 4 - 10

4-2 Inverter for Turret .................................................................................................4 - 17

4-2-1 Status Indication (on the point module)......................................................... 4 - 17

4-2-2 Troubleshooting........................................................................................... 4 - 18

4-3 Replacing Method of Battery .............................................................................. 4 - 20

4-4Alarm Display ..................................................................................................... 4 - 21

4-4-1 NC Alarm..................................................................................................... 4 - 21

4-4-2 PC Alarm..................................................................................................... 4 - 28

5. EXPENDABLE PARTS LIST ............................................................... 5 - 1

5-1Expendable Parts List of CS20 ............................................................................. 5 - 1

ii

1. INSTALLATION

1-1 Machine Installation

When installing NC machine, solid foundation is essential. It is also most important for maintaining
the best condition of cutting accuracy of the machine. The nature of the ground condition of the
factory site, for example, rock base or reclaimed land, makes a big difference. It is, therefore,
difficult to give any definite rules generally applicable to the installation of this machine. It will be
quite all right if you pay a reasonable attention, based on the knowledge that you have on the
general foundation of machine tools. (Refer to “Foundation and Layout”.)

The followings are the concrete items to be carefully attended when installing this machine.

2

1) The bearing capacity of soil should be 5 ton/m
be 300mm or thicker.

2) The area of the foundation should be extend to at least 300mm outer circumference of the
machine bed.

3) When digging vibration proof drains, they should be dug along the circumference of the
foundation.

or larger and thickness of the foundation should

4) Placing separate concrete blocks underneath each machine leg instead of a real foundation is
often seen, which is just not adequate. Such is no value as proper foundation,

As this machine yields large volumes of chip during machining, carts are often used for chip
disposal. The traffic of carts and detaching covers in maintenance work need free space so that
the operators can move around without touching other machines. This factor should be
considered when selecting the installing position of the machine.

1-1-1 Environment of the Machine

Pay full attention to a room temperature, dust, vibrations, etc. in order to make use of the
primary performance of the machine. High accuracy cannot be obtained in the environment
where the room temperature greatly changes. Just a slight change of the room temperature
partly affects the machine. Be fully careful of effects heat transfer from the direct sunshine,
vent, heating unit, and so on.

Under the environment where the air is polluted so much by dust, etc., the sliding sections and
electric devices of the machine are greatly effected in their service lives.

Particularly, electronic devices related to controls are susceptible to dust and humidity. Install
the machine in the environment as clean as possible.

1. Installation Environment of NC Machine
In case that electric machines and appliances generating high frequency noise are

installed or newly erected near by NC machines, keep to the following precautions.

1) Example of the electric machines and appliances generating high frequency noise.

[1] Arc welding machine
[2] Resistance welding machine
[3] High frequency drying machine

1 - 1

[4] Electric discharge machine
[5] Others

2) Installation form of NC machine

[1] Power supply line
The power supply line (AC400V) of NC machine must be separated line with that for

electric machines and appliances.
If impossible, connect the line at the point more than 20m apart from the point where

the power supply for electric machines and appliances is connected.
[2] Installation place of NC machine
NC machine must be installed more than 20m apart from electric machines and

appliances.
[3] Earth of NC machine
The earth of NC machine must be grounded within 5m from NC machine separating

from the ground of electric machines and appliances, and make a ground work with
not more than 100

Or the earth wire size must be not less than 6mm

Ω or comply with the laws and regulations of the country.

2

.

3) Example of earth of NC machine

The earth state of NC machine and electric machines and appliances illustrated as
under.

Power receiving equipment

Powersupply

To be separated system wiring

AC400V

Electric machine

More than 20m

and appliance

3 pase3 pase

AC400V

NC

1 - 2

Grounding:Class 3 grounding
work within 5m

[Grounding resistance of 100Ω
or below. Wire size of 6mm
or above.]

2

1 - 3

Dimention : metric (mm)

inch ( ” )

Note)

1. The bearing capacity of soil should be 5 ton/m

2

(1000lbs/ft2) or larger and thickness of the foundation
should be 300mm (11.8”) or thicker.

2. The area of the foundation should be 1840x1970mm
(72.4”x77.6”) or larger.

3. When digging vibration proof drains, they should be
dug along the circumference of the foundation.

1 - 4

1-1-2 Slinging Operation

The slinging work is one of the important operations when transporting the machine,
which requires careful attention. When machine is transported, cranes or chain blocks
are used for lifting, which includes slinging work. The following points should be carefully
attended to for this work.

1) As the machine weighs 4900kg, the diameter of the wire used should be 14mm or
thicker.

2) Draw out the coolant tank.

3) Prepare the slinging hook as illustrated in Diagram 1-3.

4) Adjust the gravity center of the machine by moving the saddle and the cross slide, so
that it comes on the center line of the sling angle.

5) Sling angle should be smaller than 90

6) Do not use rusted wire ropes, those with unwound twists or with broken lines.

7) Lift the machine gradually. Stop it once when the wire rope become strained, and
check a lifting conditions. When the machine is lifted up from the floor, check again
that there are no abnormalities with the lifting rope, and proceed with the lifting rope.
When lowering the machine, it is necessary to be careful that it is lowered down slowly.
Stop lowering the machine immediately before it reaches the floor to check.

Then, lower it down completely.

1-1-3 Forklift Operation

Attention should be paid to the following points when conducting forklift operations.

1) Use a forklift capable of lifting the machine weight.

2) In order not to damage the protruding portion of the machine, a watchman should be
attached to help the forklift operator to undertake cooperative work.

3) When inserting the fork, apply the fork blades to the cast iron draw grooves on the left
and right sides of the base of the machine main body designed for fork blade insertion.

4) Before set to lifting work, make a trial lifting in order to ensure the best stability of the
load, considering the balance of front/rear, left/right and machine gravity center.

°, proper angle being 60°.

1 - 5

1-1-4 Cleaning of Machine

Do not move saddle and cross slide before cleaning, as the anticorrosive paint is often
contaminated with dust during transportation.

Upon shipment from our factory, each section of the machine has been tightened. Before
cleaning the machine, Loosen respective section.

For cleaning, use waste soaked with refined petroleum product (neutral) and wipe off the
anticorrosive paint thoroughly.

Avoid using compressed air for cleaning, as foreign matters existing at opening portion of
the fitting part may be blown into the depth of the slit by air pressure and may damage the
fitting face. After cleaning, apply high quality lubricating oil specified in “Lubrication and
Oil Supply” on the finished surface thinly.

Fig. 1-3 Slinging

1 - 6

1-1-5 Power Source and Pneumatic Source

1) Main switch for source power should be installed at a place close-by the machine site so
that switch opening/closing can be handled by the operator with his own responsibility. The
switch should be exclusively for this machine separated from the line used for other
machines. For fuse capacity, refer to the table below.

2) Wiring from source power switch to the machine

The line connection is to be arranged as shown in the following diagram.

At the time of machine installation, the wiring arrangement to the primary side of the high
power circuit breaker CB-1 ([1] in above diagram) is to be taken care of by the customer.

As for power source wire and grounding wire, refer to the table below.
The grounding wire is to be connected with grounding bolt [2].

Machine type Total capacity Wire thickness Fuse

R.S.T Grounding (Capacity)

CS20 23kVA

22

5.5 75A

1 - 7

1-1-6 Change of Electric Specification Machining Source Power

Volt age and Cycle

Depending of the voltage and cycle of the source power, the setting of electric system has
to be changed. Before the setting, confirm on these points.

Source power voltage 400V ±10%
Source power cycle 50/60Hz

±1Hz

1 - 8

1-1-7 Connection of Chip Conveyor

[1]In order to enable the machine running before

installing the chip conveyor, the machine ex factory
attaches short circuit wire on CN2 connector. When
installing the chip conveyor, pull off this wire by hand
then connect CN2 wiring.
make absolutely sure that the main source power of
the machine be switched off.

Note) Emergency stop circuit of chip conveyor

When chip conveyor emergency stop button is
pressed, the machine proper is also brought into
the condition of emergency stop. Of the machine
with chip conveyor attached, if the connector CN2
is disconnected (see illustration on the left), the
machine will come to an emergency stop, just in
the same manner as emergency stop button is
pressed.

Before doing this wiring,

(Left side view of Control Board)

1 - 9

1-1-8 Installation and Leveling

One of the factors deciding the machining accuracy is how to install the machine on level.
Correct leveling is the most fundamental requirement in machine installation, which affects
the accuracy of products as well as the service life of the machine itself.

For this reason, please follow the undermentioned steps of leveling.
At first, place a block (shown in Fig.1-1) at the installing place on the floor, and install the

machine so that the leveling bolt (the jack bolt) of the machine may be placed on this block.
Next, install a block around the chuck, and put on a level as shown in Fig.1-4. Let X fully
stroke. Pay full attention not to interfere with the tool post.

Make adjustment so that difference of reading of the level back and forth shall be within

0.04mm/m.
The sensitivity of leveling instrument recommendable is 1m long with 0.02mm graduations.

When applying the leveling instrument, the instrument should always be kept with the same
end to the same direction.

The surface on which the leveling instrument is placed should be kept clean, and proper
attention should be paid so that there is no dust getting in between the surface and
instrument during level measurement.

When locking the leveling bolt, attention should be paid that the bolt does not to turn. For
the convenience of regular maintenance of the machine level, do not solidify the bolt by
mortar. When the machine generates vibration by unbalanced workpiece, fix it with an
anchor bolt.

Check the machine level periodically. For 2-3 days after the initial installation, check it daily.
During subsequent 6 months check it monthly, and thereafter in every 3 months.

1 - 10

Fig. 1-4 Leveling Method

1 - 11

1-2 Lubrication and Oil Supply

When supplying oil, sufficient care must be taken to the following:

1. Supply specified oil by the specified amount. Do not supply a different type of oil or over

the specified amount. Otherwise the machine may cause to a trouble.

2. Clean the oil inlet port etc. in advance, and pay close attention lest dust etc. should enter

inside.

3. When supplying oil, use a filter in order to prevent foreign substances such as dust from

entering into the tank. When the filter is not available, use a wire net of 150 mesh or more.

4. Whenever you supply oil, use new one. Do not mix with reproduced or old oil.

5. Even when a new oil can is opened, don’t use all the oil in it, but leave some unused. This

is necessary to eliminate moisture and deposits.

* As to oil supply spots, supply frequency, oil amounts and oil types, refer “List of Lubrication

Oil”.

1 - 12

List of Lubrication Oil

Front view

1 - 13

Supply spot

Spindle cooling unit

1

Hydraulic unit

2

3

Hydraulic chuck

Method
Trochold

pump
Piston

pump

Manual

Frequency

Replace every 6 month;
replenish occasion

Replace every 6 month;
replenish occasionally

Supply oil fully every day

Q’ty
28l

10l

Nisseki
Nisseki

Multi­purpose 32

Molynock
grease 2

Idemitsu

Daphne
Multi-way
32ER

Daphne
grease M2

Shell

Tetra oil
32

Retina
AM

Mobil

MOBIL
DTE oil
light

MOBIL
grease
special

Mitsubishi

Diamond
Tetrat 32

Diamond
Multi­purpose M
grease 2

ESSO

UNI-POWER
MP32

BICON Q2

MOK Clewbar

R-temp Q

NB50

ISO symbol

CB32

1-3 Coolant

1) How to control coolant fluid

The consistency of coolant fluid is changed depending upon the quality of water used,
mixture of chips or foreign substances and evaporation of moisture. And unless the
maintenance of the coolant fluid is made for a long time, germs may be generated, that
causes to break the filters, the piping and the pump. Check the density of the fluid, and
pH timely, replace the coolant fluid, and also clean the inside of the coolant tank in
consideration of using conditions.

Since contaminated muddy clods may be generated when a different kind of coolant fluid
is mixed up, remove completely the previous fluid through flushing the piping, the tank
and the equipment sufficiently, when changing the coolant fluid.

•Items to be checked periodically

It is advised to check the following items periodically.

1. Liquid color check

Observe the color eyes.
When the color is changed to blown, it is presumed that rust may generate. In case of FC

and FCD, chips happen to become blown. When the coolant fluid becomes block, it is
presumed that it has been corroded. When the fluid becomes block and gives out a putrid
smell on Monday morning or after a long period of holidays, the color of the fluid may
happen to return to the original color in the afternoon. It is phenomena that the fluid
changed through extinction of bacteria (anaerobic germs) by touching the fluid with air.

When it is not returned, it is required to replace the fluid, since the fluid is too putrid. In
this case, replace all the coolant fluid and make flushing sufficiently. The remaining
bacteria will cause to repeat the putrid consequently.

2. Check of the putrid smell

Special care must be taken to smell.
When the fluid is filled with putrid smell,

the ingredient of the cutting fluid be
destroyed by breeding of bacteria or eaten
by bacteria as nutritive substance, that
causes the change of its density, lowering
of pH and outbreak of rust.

When the putrid smell is not faded away
even after half a day in the status of
operation, it is required to replace the
coolant fluid.

3. Check of the filthiness of the fluid

Observe the filthiness of the fluid by eyes.
The filthiness of the fluid has influence on the machining accuracy, the dirt of the

machined work and the dirt of the machine.

1 - 14

And the dirt of the machine makes hard to observe the state of machining from the
outside.

4. Check of the quantity

Check the level of the rank periodically.
Shortage of the fluid quantity causes to form bubbles or to disable the fluid to supply

sufficiently to the machining point.
And also it will hasten the progress of the putrefaction.

5. Control of the density

It is the most important procedure to control the density of the fluid when soluble cutting
oil is used.

It is the best way to measure the density by a refractometer.
If not available, it is possible to control to some extent the density of the fluid by

calculating precisely the magnification at the time of dilution and also by calculating the
magnification without fail when pouring some more fluid.

It is the most desirable method to check
periodically the density by a density-meter,
since there are various factors such as
change of the ingredients by bacteria,
decrease by taking out with the workpieces
or vaporization of the fluid. When the
density of the cutting fluid is low, serious
problems such as bad smell by
putrefaction, lowering on the pH and rust
promotion will occur. Generally the density
of the cutting fluid is within the extent of 20
times through 30 times, but it will be different depending on the kind of cutting fluid.
Comply with the maker’s recommending value. Since it becomes impossible to measure
the fluid when lots of rust preventive oil or lubrication oil is mixed.

6. Control of the pH

Measure the pH by using either a litmus test paper or a simple pH measuring instrument.
When the pH value of the fluid is 7,

the fluid is neutral. When the value
is larger than 7, the fluid is alkaline
and when it is smaller than 7, the
fluid is acidic.

Generally pH8.5 through 9.5 is an
ideal value. When the value
becomes lager than this, alkaline
becomes stronger, that causes the chapping of the skin of the hands.

When it becomes smaller, the fluid is acidulate, that causes hastening of rust. Especially
when the pH value of the fluid becomes less than 8, care must be taken since rust is
hastened rapidly. In this case, replace the fluid.

1 - 15

7. Check of the stagnant sludge

Check whether chips and/or sludge stagnate in the tank and the piping.
Remove chips and/or sludge from the tank and the

piping by flushing as occasion calls.
And mixture of rust preventive oil and lubrication oil

may become the nutritive elements, and the surface
of the tank is covered with them, that causes the
breeding of anaerobic germs. Remove the
adulterated oil periodically.

It is recommendable to employ an eliminator such as
skimmer.

2) Control of the waste oil

“Water Pollution Control Law” and “Sewage Water Law” are adapted to the waste oil of
cutting fluid.

The substances more than 10 items of ingredients contained in the cutting fluid are
designated as organic substance, and they become the object of regulation items.
Therefore, appropriate disposition such as disposal by the waste oil disposing system in
the factory or taking-over by the waste oil treating trader is required.

The cost for waste oil disposal at the time of replacement of the fluid is directly related to
the life of fluid, and 50% of cost-down can be attained by replacing the fluid once a year
instead of twice a year.

Accordingly, conclusive control of the using fluid will mean development as a whole.

3) Types and selection of water-soluble cutting agents

Though there are various purposes of cutting agents, the following two points are the
most important basically.

Lubrication: The cutting agents reduces friction, prevents generation of heat, and

smoothens..............(Deposition-resistant property).

Cooling: The cutting agent cools generated heat.

In addition to the above-mentioned matters, enviroment- and safety-related metters such
as washing property and swarf disposal must be taken into enough consideration. Water­soluble cutting agents are divided into an emulsion type, soluble type, and chemical
solution type. Their characteristics are shown in the following table. Do not use the
chemical solution type in particular, because it causes detachment of coating and affects
seal materials and resin materials adversely.

1 - 16

Type Emulsion Type Soluble Type Chemical Solution Type

Characteristics

* This type has been

used widely in the
cutting field, because
it is relatively large in
particle diameter ( 4
to 7 µm) and high in
lubricating property.

* It is the soluble

cutting agent that was
made first.

* It decomposes easily

due to lack of stability.

* This type is excellent

in permeability
because it is small in
particle diameter
( 0.1 to 0.03 µm ).

* It has been used

mainly for grinding
purposes, but it is
used also for cutting
purposes due to the
development of the
extreme pressure
agent.

* Since it uses much

surface-active agent,
it is likely to affect
coating adversely.

Do not use this type.

Form

* Dissolving this in

water, it becomes
milky. This is
because particles
dissolved in water are
large, reflecting light.

* Dissolving this in

water, it becomes
semi-transparent.
This is because
particles dissolver in
water are very fine,
passing light.

1 - 17

Maintenance of Coolant Tank

In case of delivery of coolant from the tool post get worse,

1. Check level and fill it up if required.

2. Clean a filter in the coolant tank.

This filter can be mounted or dismounted in one touch.
Pay a full attention as the coolant will easily drip down on the floor when chips in the bucket

are removed.

3. Piling up the bucket with chips may cause overflowing. Check on the bucket at least once a

day .

1 - 18

1-4 Check Before Trial Operation of the Machine

Before operating the machine at first, be sure to check each item in accordance with the
following order.

1. Check the voltage of the power source. The power source is different depending on the
district.

Three-phase, 200V, 50Hz: Mostly in Kanto and Tohoku regions.
Three-phase, 220V, 60Hz: Mostly in Kansai, Chubu, Hokuriku and Chugoku regions.
Three-phase, 200V 50-60Hz: For future power supply and not available at present.
When checking the power source, measure the voltage between 3 phase respectively and

the difference between each phase must be within a few voltage.

2. Turn on the breaker CB-1 in the power control cabinet and then check the phase rotation of
the power source in accordance with the following.

Press the movable contact operating button in the magnetic switch (MS-1) for hydraulic
motor with a driver and check that the pressure gauge for hydraulics turns up. When it
doesn’t turn up even pressing it for 5 to 10 seconds, turn off the barker (turn off the power
on the factory side) because of different phase rotation and change the connection of either
2 of the power supply 3 lines.

3. Turn on the power source for the NC unit and check that the screen (TITLE) is displayed on
the Display .

4. Set the mode selection switch to the manual (HANDLE or FEED).

5. Check of the rotating direction of every motor.
Rotate every motor by respective switch and check the rotating direction in accordance with

the instruction of the rotating direction.
When the rotating direction is reverse, change the connection of either 2 of the power

supply 3 lines.

[1] Cooling fan : Start/stop is operated by the breaker on the high power control

board.

[2] For hydraulic : To start by the [STANDBY] button.

To stop by the [POWER OFF] button.
[3] For spindle : To jog rotation by the [SPINDLE JOG] button.
[4] For cutting fluid : To start by the [COOLANT] button

To stop by pressing the button again.

6. Adjust the pressure of the hydraulic unit to the setting pressure, 3.5MPa {35kg/cm

2

}

1 - 19

2. MAINTENANCE AND CHECKING

2-1 Daily Checking Items

The following are maintenance items to be checked by operators. These maintenance
items are important to prevent machine trouble and to perform efficient operation.
Perform maintenance according to the following daily check list.

2 - 1

Daily check list

Checking part Check item Details of checks

Hydraulic unit

1.

Main cooling unit

2.

3.

Pneumatic unit

4.

Coolant unit

5.

High-pressure
coolant

a) Check for normal set pressure.

b) Check hydraulic unit for faults.

c) Check hydraulic unit for sufficient

quantity of oil.

d) Check that oil temperature is

60°C or less.
e) Check for oil leakage.
a) Check main cooling unit for operation.
b) Check cooling unit for sufficient

quantity of oil. (Checks before starting

work)
c) Check that air filter is thoroughly

cleaned.
d) Check for oil leakage.
a) Check for normal set pressure.
b) Check pneumatic unit for faults such

as air leakage.
a) Check coolant unit and piping for

faults.
b) Check coolant unit for sufficient

quantity of coolant.
c) Check that air filter is thoroughly

cleaned.
d) Check for discharge.
e) Check for oil leakage.
a) Check high-pressure unit and piping

for faults.

b) Check for discharge.
c) Check pump for discharge pressure.

(Pressure gage)

⇒ Normal value: 3.4 MPa, 4.4 MPa

and 6.8 MPa (It depends on the
model.)

⇒ Checks for abnormal noise and oil

leakage.

⇒ Oil level check

⇒ Oil temperature check: Proper

temperature is 60°C or less.
⇒ Check for oil leakage
⇒ Check for sound of fan running
⇒ Oil level check

⇒ Checks for clogging and cleaning

⇒ Check for oil leakage
⇒ Normal value: 0.5 MPa
⇒ Check for air leakage

⇒ Checks for coolant leakage and

abnormal noise

⇒ Oil level check

⇒ Checks for clogging and cleaning

⇒ Visual check
⇒ Check for oil leakage
⇒ Checks for coolant leakage,

abnormal noise and abnormal

vibration.

⇒ Visual check
⇒ Normal value: 3.4 MPa or 6.8 MPa

(It depends on the specifications.)

6.

Operation panel
and control panel

d) Check that air filter is thoroughly

cleaned.

e) Check high-pressure pump for

sufficient quantity of oil.

f) Check for high-pressure pump oil

fouling.

g) Check for sufficient quantity of

coolant.

a) Check that alarm is not displayed on

the screen. (Battery alarm, etc.)

b) Check that cooling fan is running.

2 - 2

⇒ Checks for clogging and cleaning

⇒ Oil level (cap oil filling) check and

replenishment
⇒ Checks for oil degradation and oil

color

⇒ Check through main tank

⇒ Visually check it to determine the

cause for corrective action.
⇒ Visually check it to determine the

cause for corrective action.

Checking part Check item Details of checks

Chuck/cylinder

7.
(Turning machine)

8.

Spindle head

Feed unit

9.

10.

Tool post unit

11.

Chip conveyor

12.

Covers

13.

Interlocking device

a) Check that chuck is filled with

sufficient grease. (Once a day)

b) Check that chuck pressure can be

regulated smoothly .

c) Check that coolant recovery port at

the rear of chuck cylinder is cleaned
and that chips are removed.

d) Check master jaw for actuation.

e) Check that running-in is performed.

a) Check for abnormal noise. (M/C,

NCL)

a) Check for abnormal noise.

a) Check for coolant discharge.
b) Check that tool pots and tapered

portion of QCT, KV and KM are
cleaned.

c) Check tool layout for imbalance.

d) Check that chips on the turret

swiveling portion are removed.

a) Check for obstructions on the

conveyor.

b) Check the quantity of chips in the

chip box and that of coolant.

c) Check that a large quantity of chips

collect on the chip conveyor.
(Inclusive of screw conveyor)

d) Check for abnormal noise.

a) Check that covers are not detached.

b) Check that window is cleaned.
c) Check that nameplate and caution

plate are cleaned.

a) Check door interlocking function.

⇒ Check that specified grease is filled.

⇒ Check pressure regulation for each

workpiece change.

⇒ Clean as necessary.

⇒ Check actuation by foot switch

operation.

⇒ Perform running-in by low rpm of

about 10% of the model’s maximum
rpm for 30 minutes before starting
work.

⇒ Check for abnormal noise during

spindle running

⇒ Check for abnormal noise when

operating feed unit

⇒ Visual check
⇒ Check for removal of dust, fouling

and foreign matter such as chips
(Wipe with a clean cloth.)

⇒ Check that tools are placed in

balance and that turret turns
smoothly.

⇒ Check that foregin matter including

chips on the turret swiveling portion
and its vicinity are removed.

⇒ Check for removal of obstructions

such as workpiece, tool and square
bar

⇒ Check the quantity of chips and that

of coolant, and dispose of them as
necessary .

⇒ Prevent a large quantity of chips

from collecting on the conveyor.
Check that conveyor operates to
discharge chips.

⇒ Check for abnormal noise when

operating chip conveyor

⇒ Check that covers are not detached.

If any cover is detached, attach it.

⇒ Check for cleaning
⇒ Check for cleaning

⇒ Check that spindle does not run

when opening door.

2 - 3

Checking part Check item Details of checks

14.

Mist collector a) Check that mist does not remain in

the hose.

b) Check that filter is thoroughly

cleaned.
c) Check that oil is properly drained.
d) Check mist for leakage.

⇒ Visual check Provide angular hose

route.

⇒ Checks for clogging and cleaning

⇒ Visual check for proper oil drainage
⇒ Visual check

2 - 4

2-2 Periodic Check Items

Periodic checks by maintenance personnel are essential for assuring continued machine
accuracy. Perform maintenance at regular intervals according to the following periodic check
list.

2 - 5

Periodic check list

Checking part Check item Checking interval(Month) Details of checks

1.

Hydraulic unit

2.

Main cooling unit

3.

Pneumatic unit

Coolant unit

4.

5.

High-pressure
coolant

a) Check piping for faults.

b) Change hydraulic fluid.

c) Check that strainer is

thoroughly cleaned.

d) Check oil for

discoloration (fouling).

a) Check piping for faults.

b) Change hydraulic fluid.

a) Check piping for faults.

b) Check that filter is

thoroughly cleaned.

a) Check for conspicuously

dirty coolant unit.
b) Check for foul smell.
c) Check piping for faults.

a) Check piping for faults.

b) Check that filter is

thoroughly cleaned.
c) Check high-pressure

pump for sufficient

quantity of oil.
d) Check for high-pressure

pump oil fouling.

13612

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

⇒ Check for oil leakage, and

⇒ Clean the inside of tank

⇒ Checks for clogging and

⇒ Check oil color with oil

⇒ Check for oil leakage, and

⇒ Clean the inside of tank

⇒ Check for oil leakage, and

⇒ Checks for clogging and

⇒ Refer to Coolant section

⇒ Check for oil leakage, and

⇒ Check for oil leakage, and

⇒ Checks for clogging and

⇒ Oil level (cap oil filling)

⇒ Checks for oil degradation

tighten connector securely
if necessary .

and strainer, and change
hydraulic fluid as
necessary.

cleaning (Shorten
checking intervals
depending on working
environment.)

gage. When color is
getting brown, change oil.

tighten connector securely
if necessary .

and strainer, and change
hydraulic fluid as
necessary.

tighten connector securely
if necessary .

cleaning (Shorten
checking intervals
depending on working
environment.)

in the instruction manual.
(NCL)

tighten connector securely
if necessary .

tighten connector securely
if necessary .

cleaning

check and replenishment

and oil color

2 - 6

Checking part Check item Checking interval(Month) Details of checks

13612

High-pressure

5.
coolant

6.

Operation panel
and control
panel

7.

Feed unit

8.

Chip conveyor

9.

Belt,Timing
belt(Tool post,
and X axes, )

e) Check high-pressure

pump suction and
discharge valves for
damage or wear.

f) Check for damaged or

dirty high-pressure
pump diaphragm.

g) Check gas charging

pressure of accumulator.

a) Check for conspicuously

dirty operation panel and
control panel. (Cleaning)

b) Check for foreign matter

in the control panel.

c) Check that air filter is

thoroughly cleaned.

d) Check that cooling fan is

cleaned.

e) Check power supply and

voltage.

a) Check ball screw and

guide for lubrication (oil
and grease).

a) Check that chip

conveyor is oiled.

a) Check belt for

deflection.

O

O

O

O

O

O

O

O

⇒ Replace if damage or

O

O

O

wear is found.

⇒ Replace or clean if

necessary .

⇒ Recharge if charging

pressure is dropped.

(Charging pressure:4.9Mpa)

⇒ Visual check and cleaning

⇒ Removal of foreign matter

⇒ Checks for clogging and

cleaning (Shorten
checking intervals
depending on working
environment.)

⇒ Check for dirty cooling fan

⇒ Check that secondary

voltage of main breaker is
set within ±10% of the

specified value

⇒ Visually check oil film.

⇒ Apply grease to sprocket

area as necessary.

⇒ Check deflection amount

with tension meter.
(Normal value:3.5 mm/kg)

.

10.

11.

Level

LS and SOL

b) Check surface for

damage and heights for
deterioration.

a) Check the level of bed

and table with level vial.

a) Check that LS and SOL

are not moistened with
oil.

b) Check for oil fouling.

2 - 7

O

O

O

O

⇒ Visual checks and

degreasing

⇒ Level check and

adjustment with level vial

⇒ Determine the cause to

take corrective action.

⇒ Cleaning

Checking part Check item Checking interval(Month) Details of checks

Cover

12.

13.

Wiper and brush

a) Check mounting bolts

for looseness.

a) Check wiper and brush

for deterioration and
damage.

13612

O

O

⇒ Check cover clamping

⇒ Visual checks

bolts for tightness, and
tighten securely if
necessary.

Interlocking

14.
device

Cable

15.

OT (Over-travel)

16.
Earth leakage

17.
breaker

b) Check for jamming of

chips and foreign
matter.

a) Check spindle speed

limiting interlocking
function.

a) Check for damaged

appearance (tears,
crushes, stripped
conductor, etc.).

b) Check connector for

looseness.

c) Check for caught cable.

d) Check that cable is not

moistened.

a) Check LS for actuation.

a) Check breaker for

operation.

O

O

O

O

O

O

O

O

⇒ Visual checks

⇒ Check spindle speed

limiting interlocking set
value (parameter) when
using special chuck and
jig.

⇒ Visual checks Replace if

there is something wrong.

⇒ Visual check Tighten

securely if necessary .

⇒ Visual check Return to

normal. Appearance
check Replace if there is
something wrong.

⇒ Visual check and cleaning

Determine the cause.

⇒ Operate the machine to

check function.

⇒ Press test button to check

breaker for operation.

2 - 8

3. MAINTENANCE AND ADJUSTMENT

3-1 Adjusting Method of X and Z Axes Backlash

Procedure 1 How to cancel the compensation amount previously entered

To cancel the compensation amount entered before measuring backlash

1) Put the machine to a stop status. (This setting irrelevant to the machine status.)

2) Change the parameter according to the parameter setting method under “OPERATION
MANUAL”, Item 16.

3) Call up the backlash parameter 1851 and make the X and Z axes value 0.

4) Turned OFF, Turned ON again

Procedure 1 Measuring the backlash amount

1) Put the dial indicator contact to the check from the turret side.

2) Measure a backlash amount with a X-axis and Z-axis handle in the order of (a) through
(c).

Turn the handle counterclockwise and set
the handle and indicator to 0.

Turn the handle further counter-clockwise
by another 20~30 graduations.

Turn the handle clockwise until a pointer
points to 0. At this time, the difference of
the indicator represents the backlash
amount.

3 - 1

Procedure 3 Setting of backlash amount

1) According to the parameter setting method under “OPERATION MANUAL”, call up the
backlash parameter 1851 and set the compensation amounts of X and Z axes.

Backlash amount 0.012

X-axis compensation amount = = = 24

Compensation unit 0.0005

Backlash amount 0.015

Z-axis compensation amount = = = 15

Compensation unit 0.001

2) Switch OFF the source power once, they switch ON again.

Procedure 4 Confirmation of backlash amount

1) Confirm that the setting values are correct, according to Procedure 2.

3 - 2

3 - 3

3-2 Hydraulic Unit/Hydraulic Circuit Diagram

Hydraulic Unit/Hydraulic Circuit Diagram

17 BLOCKING BLOCK 1 Shonan
16 19001-68-001-00 Manifold 1 Shonan
15 9001-68-002-00 Manifold 1 Shonan
14 OPG-DF-T-R1/4-6´7
13 SL-G01-E3X-GR-C Solenoid Valve 1 Fujikoshi
12 ETB69-1.8 Orifice 1 Shonan
11 SL-G01-E3X-GR-C1-11 Solenoid Valve 1 Fujikoshi
10 OCP-G01-B1-20 Pilot Check Valve 1 Fujikoshi

9 OG-G01-PC-K-5871A Reducing Module 1 Shonan
8 CT-T03-0-4044A Check Valve 1 Fujikoshi
7 VDS-0B-1A2-1249K Variable Pump 1 Fujikoshi
6 OPG-AT-R1/4-60´7MP-G Pressure Gauge 1 ASK
5 C-30-4043A Oiling Hole 1 Fujikoshi
4 KD-0A (N) Oil Level Indicator 1 Kyowa
3 VBBA-0A4A04-1156A Electric Motor w/ Cooler 1 Meidensha
2 MSN-03-150 Strainer 1 Masuda
1 TNK-10L-H Oil Tank 1 Fujikoshi

NO PART NUMBER PART NAME Q’ty MAKER

MPA

Pressure Gauge 1 ASK

3-3 Hydraulic Chuck

This chuck is hydraulically opened and closed. With this chuck employed, a work piece setup
time can be reduced, manpower can be also saved and the workpiece can be powerfully and
equally gripped.

Specifications

Hydraulic chuck diameter :
Hydraulic tank unit : Commonly used for the machine proper

φ210 ( 8")

3 - 4

Operation

1. Select a chuck gripping direction by using the WORK GRIP INT/EXT Selector switch
located on the main operation panel.

2. Open and close the jaw by the chuck open/close switch on the main operating board.

3. Adjusting the chuck pressure
Adjust pressure of the hydraulic chuck by the dial on the manifold section at the left end of

the machine.

• Turning the knob clockwise (direction of INC) increases the pressure.

• Turning the knob counterclockwise (direction of DEC) decreases the pressure.

• Adjust the chuck pressure within a range of a pressure gauge.

pressure
gauge

Note 1) Due to an interlocking mechanism, the chuck cannot be opened or closed while the

spindle is rotating.

2) While the spindle is stopped, the chuck is loosened immediately by operating the
chuck open/close switch. Pay attention, therefore, even on other occasions than
when a workpiece is loaded or unloaded, or when gripping direction of the chuck is
changed.

3) When changing the gripping directions of the chuck, be sure to unload the workpiece
from the chuck without fail.

3 - 5

Hydraulic Chuck and Cylinder

Solid-Chuck (made by KITAGAWA)

Hydraulic chuck HG-715-210
Hydraulic cylinder Y1230RE25

Type

With cylinder mounting adapter

Mounting of Hydraulic Cylinder

1. Mount the hydraulic cylinder to the adapter of the spindle with M12 bolt.

2. Set a measuring instrument to the rear of the cylinder. With the rear of the cylinder fixed,
rotate the spindle (about 30min-1) and check the runout of the cylinder.

Note 1) Fix a part to which the measuring instrument is set.

3. Adjust the runout of the cylinder within 0.02 mm and tighten each bolt.

4. Provide piping to [A] , [B] and [D].

3 - 6

1 Bolt
2 Connecting bolt
3 Master jaw
4 Chuck body
5 Eye bolt
6 Spindle
7 Draw rod
8 Wrench

1. Procedures for removing the chuck body

1) Turn off the power in the status of chuck closing.

2) Screw in eye bolt [5] and pull up the chuck [4] naturally with wire.

3) Loosen the bolt [2] connecting the draw-rod [7] by turning counter-clockwise with the
attached wrench [8].

4) Loosen the bolts [1] and remove the chuck body [4].

3 - 7

2. Procedures for installing the chuck body

1) Set pressure of the hydraulic chuck to 0.5MPa {5kgf/cm}, and put forward the draw rod
by the chuck open/close button.

2) Thrust the wrench [8] into the bolt [1], and turn it right softly until it isn’t turned.

3) Mount the chuck [4] on the spindle.

4) As the draw rod is at the forwarding end, loosen the bolt [1] by left turn until the shifter
inside the chuck touches slightly the inside of the chuck front cover.

From this status, thrust it by a quarter right turn for final adjustment.
(Clearance between the shifter and the front cover shall be about 0.6mm.)

Note 1) Use attached parts of the machine for the bolts to mount the chuck and jaws.

2) When preparation of these bolts newly, prepare the bolts with the following
material or equivalent.

•Chrome-molybdenum steel

<SCM435H>
Tensile strength: 115 ~ 140Kgf/cm
Hardness after heat treatment: HRC34 ~ 44
Thread class: 2nd class

2

•Keep strictly a protruded length L1 and L2 of mounting bolts.

3) Regarding a bolt to mount the collect chuck and other fixture requires above
item 1) and 2) as well.

3 - 8

3-4 Layout of Electric Apparatus and Pneumatic Circuit Diagram

3 - 9

Turn equipment
180°Turn Arm up/down Air blow

LS List

J LS901 Over thrust detection 1 METROL BP101

I LS899B Arm up 1 CKD

H LS899A Arm down 1 CKD

G LS898B Turn to 0° 1 SMC

F LS898A Turn to 180° 1 SMC

Sin LS symbol Use Q'ty Maker Remarks

SOL List

E SOL900 Air blow SMC
D SOL899B Arm up SMC
C SOL899A Arm down SMC
B SOL898B Turn to 0° SMC
A SOL898A Turn to 180° SMC

Sin SOL symbol Use Maker

Pneumatic unit List

5 ASN2-01-S Flow valve 4 SMC
4 VZ5-ASK420-1GS-01 Elect magnetic valve 2 SMC
3 VXD2130-02-1DS-B Elect magnetic valve 1 SMC
2 CMK2-C-TB-40-75-R05-DYB2 Cylinder 1 CKD
1 CORA1BW80-180C-A57 Rotary cylinder 1 SMC
No. Part number Use Q'ty Maker

3 - 10

3-5 Restoration of NC Torque Limiter

1. Explanation of function

This function is to detect the torque load on the feed axis and, if the detected torque is
abnormally larger than the value set by the parameter, to exert an emergency stop of the
spindle based on the judgement that there is an interference

2. Alarm

Alarm No. 1036 NC torque limiter alarm

F409 Servo alarm: (X, Z axes) Axis abnormal load

3. Method of restoration

The alarm status is normally restored by switching OFF the NC source power.

3 - 11

3-6 Returning Method from face declination of turret index

This manual describes the procedures when a following alarm occurred by shut off the power
or by collision, etc. while indexing.
Alarm 1020 The turret face number set up is defective.
[Procedure]
(1) NC power [ON].
(2) Make operation preparation [ON]

(hydraulic ON).
(3) Press [EMERGENCY STOP] button.
(4) Every time you press the sheet key spindle

[STOP] button and the [TAPE] button

simultaneously, clamping and unclamping

of the turret are repeated alternately.

Under the clamping condition, [TURRET

INDEX] button lamp is turned off.
(5) While putting the turret under unclamping

condition, turn the turret by hand and

make indexing face No.1 face ( align the

marking-off line of the turret neck section

with the line for the outer circumference

phase marking.)
(6) Put the turret in clamping condition, and

confirm that the turret index button lamp is

turned off.
(7) Reset [EMERGENCY STOP].
(8) Make operation preparation [ON]
(9) Press following three buttons

simultaneously (No.1 face set)

[SPINDLE STOP] + [EFFECTIVE] +

[PAUSE]

for dry running and program
checking

“Alarm 1020 The turret face number set up is

defective.” disappeared.
(10) Perform turret indexing by MDI, and

confirm that NC command and indexing

face conform.

3 - 12

3-7 Alarm Diagnosis

This screen display is used for trouble shooting and taking counter-measures when various
alarms occur.

3-7-1 When the Warning Lamp (Call Light) Lights ON.

The call light becomes ON, in either of the following cases.

1) When the machine comes to a stop (suspension) status, by program stop or program
suspension code (M00, M01, M02, M30, etc.) during executing a program.

2) When an alarm status occurs and the alarm lamp (red) on the operating panel lights ON.
When the alarm lamp becomes ON, the machine is brought into the status of “Operation

stop”, which indicates that some trouble has occurred with the machine.

3 - 13

3-7-2 Alarm Display

1) Pressing the
OPER/MAINTE key on the general

screen, maintenance relevant function
keys are listed up on the display.

Pressing the F3/ALARM DIAG. key, the

2)
alarm diagnosis screen is obtained and
the alarm contents are displayed. Press
the item which is to be processed.

3) Also, when an alarm is issued, the screen
changed to the alarm screen and the
contents are displayed with alarm relevant
function keys.

3 - 14

[1] NC unit relevant alarm (CNC Alarm)

The alarm No. and alarm message are displayed on the screen.
Check the alarm cause by referring to the list of NC alarm message and remove the cause

of the trouble.

[2] Alarm relevant to machine equipment and PC control (PMC Alarm)

The alarm No. and alarm message are displayed on the screen.
Check the alarm cause by referring to the list of PC alarm message and remove the cause

of the trouble.

3-7-3 Display of Switch Status

1) After getting the alarm diagnosis screen by
pressing the F3/ALARM DIAG. key, press

the
F2/SWITCH STATUS DISPLAY key,
then the status of each switch is displayed
on the screen.

2) On the switch status display screen, press
the F2/ARRANGEMENT DIAGRAM key,

then the ON/OFF status of each switch is
shown on the diagram. Those marked
with □ indicate ON status and those
without □ mark indicate OFF.

3) On the switch status display screen, press
the F3/LIST key, then a list of each
switch ON/OFF status. Use the page key
to scroll the page, as the list extends over
plural pages.

3 - 15

4. REFERENCE MATERIALS FOR MENTENANCE
AND ADJUSTMENT

4-1 Servo Unit

4-1-1 Alarm Concerning Power Supply Unit

(Source Power of Spindle/Servo Amplifier)

When an alarm is generated, the alarm LED (red) lights up on the status display and the
alarm code is indicated in two figures on the 7-segment LED.

STATUS
PIL
ALM

Alarm code is displayed. (01~)

Alarm LED (red) lights up.

1) Alarm code 01

• Contents

The main circuit power module (IPM) detected abnormality. (PSM-5.5, -11)
Excessive current flowed at the main circuit power input part. (PSM-15~-30)

• Cause and trouble-shooting

(a) IGBT (or IPM) is defective.

⇒Replace the IGBT (or IPM).

(b) Mismatch of AC reactor specification.

⇒Confirm the PSM and AC reactor.

2) Alarm code 02

• Contents

The cooling fan of the controlling circuit part stopped.

• Cause and trouble-shooting

The cooling fan is out of order.
Confirm the condition of the cooling fan rotation.

⇒Replace the cooling fan.

3) Alarm code 03

• Contents

The temperature of the main circuit radiator went up abnormally.

4 - 1

• Cause and trouble-shooting

(a) The cooling fan is out of order.

Confirm the condition of the cooling fan rotation.

⇒Replace the cooling fan.

(b) Dust contamination

⇒Clean up the cooling system by factory air blower or by vacuum cleaner.

(c) Overload overation

⇒Re-examine the operating conditions.

4) Alarm code 04

• Contents

The voltage at the main circuit DC part (DC link) came down.

• Cause and trouble-shooting

(a) Instantaneous power down was generated.

Confirm the source power.

⇒Replace the cooling fan.

(b) Voltage down of input source power.

Confirm the source power specification.

(c) This trouble could occur, when the main circuit source power is cut off while the

emergency stop is released.

5) Alarm code 05

• Contents

Power charge to the main circuit was not made within the specified time.

• Cause and trouble-shooting

(a) The number of SVM, SPM connecting units is in excess.

⇒Confirm the PSM specification.

(b) DC link is in short-circuit.

⇒Confirm the connection.

(c) Charging current restricting resistance is defective.

⇒Replace the distribution board.

6) Alarm code 06

• Contents

Input source power is abnormal. (Phase defect)

• Cause and trouble-shooting

(a) Input source power phase is lacking.

Confirm the connection.

4 - 2

7) Alarm code 07

• Contents

The voltage at the main circuit DC part (DC link) became abnormally high.

• Cause and trouble-shooting

(a) Excessive regenerating power.

Regeneration is not possible. PSM capacity is insufficient.

⇒Confirm the PSM specification.

(b) Impedance on the AC source power side is high.

⇒Clean up the cooling system by factory air blower or by vacuum cleaner.

(c) Regenerating circuit is abnormal.

Check the terminal and confirm the voltage at IR, IS is normal.

⇒Replace the distribution board and/or controlling PCB.

(d) IGBT (or IPM) is defective.

⇒Replace IGBT (or IPM).

4 - 3

4-1-2 Spindle Amplifier Status Display

Status Display

Item Contents

LED lit on is indicated
by

Source power ON indicating LED “PIL” is OFF.

1. Controlling source power is not yet thrown in.
Source power circuit is defective. Refer to item 4.3.2.

The last two digits of the ROM series is displayed for about

2. 1.0 second after control source power ON.
Example) “00”: ROM Series 9D00
ROM Version display for about 1.0 second.

3. 01, 02, 03, • • • correspond A, B, C, • • •
Example) “04”: ROM Version No. D

Blinking CNC source power is not yet thrown in.

4. Waiting serial communication and completion of parameter
loading.

5. Parameter loading is completed.
The motor is not excited.

6. The motor is excited.

Alarm status

7. SPM is not operable condition.

Alarm code
display 01~

Refer to item II. 3.3.

Error status

8. Wrong parameter setting. Sequence is not proper.

Alarm code
display 01~

Refer to parameter setting manual.

4 - 4

4-1-3 Spindle Amplifier Alarm

When the “ERR” LED on the indicating window of the spindle amplifier lights up, the
number indicated next right to the LED reading “ER-**” will tell the alarm contents. In
the same way, when the “ALM” LED lights on, “AL-**” tells the alarm contents. List of
alarm codes are given in the following.

NOTE

Er-xx is not displayed on CRT.

Message Contents Countermeasure

Er-01

Er-02

Er-03

Er-04

Er-05

Er-06

Er-07

Er-08

Er-09

Er-10

Er-11

Er-12

Er-13

Er-14
Er-15

*Although EPS (there are 2 types: connection signal
and PMC

not input, SFR/SRV is input. However, regarding MRDY,
pay attention to the setting of use/not use spindle
parameter MRDY.

If spindle motor is not integrated with spindle in system
with high-resolution magnetic pulse coder, speed
detector of spindle motor is set to 128 p/rev.
Attempt to excite motor fails if value other than 128 p/rev
is set.

Parameter for high-resolution magnetic pulse coder is
not set, but Cs contouring control commands is entered.
In this case, motor is not excited.

Although parameter setting for using position coder was
not performed, commands for servo mode and
synchronous control are input.
In this case, the motor will not be excited.

Although option parameter for orientation is not set, the
orientation command (ORCM) is input.

Although option parameter for output switchover is not
set, LOW winding is selected.

Although Cs contouring control command was entered,
SFR/SRV is not entered.

Although servo mode control command was input,
SFR/SRV is not input.

Although synchronous control command was input,
SFR/SRV is not input.

Cs control command was entered, but another mode
(servo mode, synchronous control, orientation) is
specified.

Servo mode command was entered, but another mode
(Cs contouring control, synchronous control, orientation)
is specified.

Synchronous control command was entered, but
another mode (Cs contouring control, servo mode,
orientation) is specified.

Orientation command was entered, but another mode
(Cs contouring control, servo mode, synchronous
control) is specified.

SFR/SRV are simultaneously commanded.
Cs contouring control command is entered when

differential speed control function is enabled by
parameter setting (No. 6500#5=1).

→CNC) and MRDY (machine ready signal) are

*Confirm the sequence of EPS and MRDY.

Set the spindle motor speed detector parameter
to 128 p/rev.

Check parameter setting for high-resolution
magnetic pulse coder.

Confirm the parameter setting of the position
coder.

Confirm the parameter setting of orientation.

Confirm the parameter setting for output
switching and power line status signal.

Confirm the sequence.

Confirm the sequence.

Confirm the sequence.

Never set another mode when Cs contouring
control command is being processed. Before
changing to another mode, clear Cs contouring
control command.

Do not command other modes during servo
mode command. When moving to other
modes, perform after releasing the servo mode
command.

Do not command other mode during
synchronous control command. When moving
to other modes, perform after releasing the
synchronous control command.

Do not command other modes during
orientation command. When moving to other
modes, perform after releasing the orientation
command.

Command one or the other.
Check parameter setting and control input

signal.

4 - 5

Message Contents Countermeasure

Er-16

Er-17

Er-18

Er-19

Er-20

Er-21

Er-22

Er-23

Er-24

Contact
signal of
*ESP

Differential mode command (DEFMDA) is entered when
differential speed function is disabled by parameter
setting (No. 6500#5=1).

Parameter setting (No. 6511#0, 1, 2) for speed detector
is incorrect. (Specified speed detector is not present.)

Spindle orientation command of position coder type is
entered when use of position code signal is disabled by
parameter setting (No. 6501#2=0).

Although the command for orienting the magnetic
sensor system was entered, another mode was issued.

Both the slave mode and the high-resolution magnetic
pulse coder were enabled.

The slave mode command (SLV=1) was entered under
position control (servo mode, orientation, etc.).

The position control command (servo mode, orientation,
etc.) was entered in the slave operation mode (SLV=1).

A slave mode command was entered when the slave
mode is disabled.

To perform continuous indexing in the mode for
orienting the position coder system, incremental
operation (INCMD=1) was first performed, then the
absolute position command (INCMD=0) was entered.

Between ESP1 and ESP2 of spindle control printed
circuit board

Check parameter setting and control input
signal.

Check parameter setting.

Check parameter setting and control input
signal.

Do not issue another mode while the orientation
command is executed. Before issuing another
mode, cancel the orientation command.

These two settings are incompatible. Check the
parameter settings.

Enter the salve mode command in the normal
operation mode.

Enter the position control command in the
normal operation mode.

Enable the slave mode.

Check the control input signal (INCMD). To
execute the absolute position command
continuously, be sure to perform orientation with
the absolute position command first.

Contact is open : emergency stop
Contact is close : normal operation

4 - 6

Alarm No. Meanings Description Remedy

AL-01

AL-02

AL-03

AL-04

AL-05

AL-07

AL-08

AL-09

AL-10

AL-11

AL-12

AL-13

AL-15

AL-16

AL-18

AL-19

AL-20

AL-24

AL-25

AL-26

AL-27

Motor overheat

Excessive speed
deviation

DC link section fuse
blown

Input fuse blown. Input
power open phase.

Control power supply
fuse blown

Excessive speed

High input voltage

Excessive load on
main circuit section

Low input voltage

Overvoltage in DC link
section

Overcurrent in DC link
section

CPU internal data
memory abnormality

Spindle switch/output
switch alarm

RAM abnormality

Program ROM sum
check error

Excessive U phase
current detection circuit
offset

Excessive V phase
current detection circuit
offset

Serial transfer data
error

Serial data transfer
stopped

Disconnection of
position detection
signal for Cs
contouring control

Position coder signal
disconnection

Detects internal motor temperature:
exceeding specified temperature.

Detects motor speed exceeding
specified speed excessively.

Detects that fuse F4 in DC link section
is blown (models 30S and 40S).

Detects blown fuse (F1 to F3), open
phase or momentary failure of power
(models 30S and 40S).

Detects that control power supply fuse
AF2 or AF3 is blown (models 30S and
40S).

Detects that motor rotation has
exceeded 115% of its rated speed.

Detects that switch is set to 200 VAC
when input voltage is 230 VAC or
higher (models 30S and 40S).

Detects abnormal temperature rise of
power transistor radiator.

Detects drop in input power supply
voltage.

Detects abnormally high direct current
power supply voltage in power circuit
section.

Detects flow of abnormally large
current in direct current section of
power circuit.

Detects abnormality in CPU internal
data memory. This check is made only
when power is turned on.

Detects incorrect switch sequence in
spindle switch/output switch operation.

Detects abnormality in RAM for
external data. This check is made only
when power is turned on.

Detects program ROM data error. This
check is made only when power is
turned on.

Detects excessive U phase current
detection circuit offset. This check is
made only when power is turned on.

Detects excessive V phase current
detection circuit offset. This check is
made only when power is turned on.

Detects serial transfer data error (such
as NC power supply turned off, etc.)

Detects that serial data transfer has
stopped.

Detects abnormality in speed detection
signal for Cs contouring control (such
as unconnected cable and adjustment
error).

Detects abnormality in position coder
signal (such as unconnected cable and
parameter setting error).

Check load status.
Cool motor, then reset alarm.

Check load status.
Reset alarm.

Check power transistors, and so forth.
Replace fuse.

Replace fuse. Check open phase and
power supply regenerative circuit
operation.

Check for control power supply short
circuit. Replace fuse.

Reset alarm.

Set switch to 230 VAC.

Cool radiator, than reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then rest alarm.

Correct cause, then reset alarm.

Check sequence.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

4 - 7

Alarm No. Meanings Description Remedy

AL-28

AL-29

AL-30

AL-31

AL-32

AL-33

AL-34

AL-35

AL-36
AL-37

AL-39

AL-40

AL-41

AL-42

AL-43

Disconnection of
position detection
signal for Cs
contouring control

Short-time overload

Input circuit
overcurrent

Speed detection signal
disconnection motor
restraint alarm

Abnormality in RAM
internal to LSI for
serial data transfer

Insufficient DC link
section charging

Parameter data setting
beyond allowable
range or values

Excessive gear ratio
data setting

Error counter over flow
Speed detector

parameter setting error
Alarm for indicating

failure in detecting 1­rotation signal for Cs
contouring control

Alarm for indicating 1­rotation signal for Cs
contouring control not
detected

Alarm for indicating
failure in detecting
position coder 1­rotation signal.

Alarm for indicating
position coder 1­rotation signal not
detected

Alarm for indicating
disconnection of
position coder signal
for differential speed
mode

Detects abnormality in position
detection signal for Cs contouring
control (such as unconnected cable
and adjustment error).

Detects that overload has been
continuously applied for some period
of time (such as restraining motor
shaft in positioning).

Detects overcurrent flowing in input
circuit.

Detects that motor cannot rotate at
specified speed (but rotates at very
slow speed or has stopped). (This
includes checking of speed detection
signal cable.)

Detects abnormality in RAM internal to
LSI for serial data transfer. This check
is made only when power is turned on.

Detects insufficient charging of direct
current power supply voltage in power
circuit section when magnetic
contactor in amplifier is turned on
(such as open phase and defective
charging resistor).

Detects parameter data set beyond
allowable range of values.

Detects gear ratio data set beyond
allowable range of values.

Detects error counter overflow.
Detects incorrect setting of parameter

for number of speed detection pulses.
Detects 1-rotation signal detection

failure in Cs contouring control.

Detects that 1-rotation signal has not
occurred in Cs contouring control.

Detects failure in detecting position
coder 1-rotation signal.

Detects that position coder 1-rotation
signal has not occurred.

Detects that main spindle position
coder signal used for differential
speed mode is not connected yet (or
is disconnected).

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Correct cause, then reset alarm.

Set correct data.

Set correct data.

Correct cause, then reset alarm.
Set correct data.

Make signal adjustment.
Check cable shield status.

Make 1-rotation signal adjustment.

Make signal adjustment for signal
conversion circuit.
Check cable shield status.

Make 1-rotation signal adjustment for
signal conversion circuit.

Check that main spindle position coder
signal is connected to connector CN12.

4 - 8

Alarm No. Meanings Description Remedy

AL-46

AL-47

AL-48

AL-49

AL-50

AL-51

AL-52

AL-53

AL-54

AL-55

Alarm for indicating
failure in detecting
position coder 1­rotation signal in
thread cutting
operation.

Position coder signal
abnormality

Position coder 1­rotation signal
abnormality

The converted
differential speed is
too high.

Excessive speed
command calculation
value in spindle
synchronization
control

Undervoltage at DC
link section

ITP signal abnormality
I

ITP signal abnormality
II

Overload current
alarm

Power line
abnormality in spindle
switching/output
switching

Detects failure in detecting position
coder 1-rotation signal in thread cutting
operation.

Detects incorrect position coder signal
count operation.

Detects that occurrence of position
coder 1-rotation signal has stopped.

Detects that difference between a
spindle speed and another spindle
speed has exceeded allowable limit in
differential speed mode.

Detects that speed command
calculation value exceeded allowable
range in spindle synchronization
control.

Detects that DC power supply voltage
of power circuit has dropped (due to
momentary power failure or loose
contact of magnetic contactor).

Detects abnormality in synchronization
signal (ITP signal) with CNC (such as
loss of ITP signal).

Detects abnormality in synchronization
signal (ITP signal) with CNC (such as
loss of ITP signal).

Detects that excessive current flowed
in motor for long time.

Detects that switch request signal
does not match power line status
check signal.

Make 1-rotation signal adjustment for
signal conversion circuit.
Check cable shield status.

Make signal adjustment for signal
conversion circuit.
Check cable shield status.

Make 1-rotation signal adjustment for
signal conversion circuit.

Calculate differential speed by multiplying
speed of other spindle by gear ratio.
Check if calculated value is not greater
than maximum speed of motor.

Calculate motor speed by multiplying
specified spindle speed by gear ratio.
Check if calculated value is not greater
than maximum speed of motor.

Correct cause, than reset alarm.

Correct cause, than reset alarm.

Correct cause, than reset alarm.

Check if overload operation or frequent
acceleration/deceleration is performed.

Check operation of magnetic contractor
for power line switching.
Check if power line status check signal is
processed normally.

4 - 9

4-1-4 Detail of Spindle Amplifier Alarm Contents

AL-01 Motor overheat

Item Cause of trouble Check procedure Remedy

1 Defective fan motor Check if fan motor is Replace fan motor.

of motor rotating.

2 Overload operation Check cutting conditions Review cutting

and how tools are worn. conditions and tools.
Check load meter for
cutting.

3 Dirty motor cooling Check motor cooling Clean motor cooling

system system for dirt. system with an air gun

4 Disconnection or Check signal line Connect signal line

loose contact of connection status. correctly.
motor overheat
signal line

AL-02 Excessive speed

deviation

Item Cause of trouble Check procedure Remedy

1 Overload operation Check with load meter. Review cutting

(overload) conditions and tools.

2 Defective transistor Check if transistor Replace transistor

module collector-emitter is open. module.

3 Fuse for protecting Check if fuses F3A to Insert fuse4s firmly.

drive on PCB F3M (models 1S to 26S) Replace any blown fuse.
blown or not or FA to FG (models 30S
inserted correctly and 40S) are blown or
(disconnection, removed.
loose contact, etc.)

4 Speed feedback Check level of speed Check motor speed

signal abnormality feedback signal. detector and signal

5 Wiring failure Check that cables are

(disconnection, connected correctly.
loose contact, etc.)

or vacuum cleaner.

cable connection.

NOTE

How to check the speed feedback signal
Observe the speed feedback signal with an oscilloscope
after turning on power and setting the rotation command off
(motor stopped and drive power set off).
Observe the test points indicated below, while turning the
motor slowly by hand.

4 - 10

Test point Normal wave form

PA-0V

PB-0V Same as above
RA-0V DC2.5V±0.2V
RB-0V Same as above

PAA-0V

PBA-0V

(CW rotation)

Check that the ON/OFF duty cycle is 50%.
(The PAP and PBP signals are inverted in CCW direction.)

AL-03 Blown fuse in DC

link section

AL-04 Input fuse blown

Input power open
phase

This alarm indicates that the fuse (F4) in the DC link section is
blown.
In this case, the transistor module may have failed.

Item Cause of trouble Check procedure Remedy

High impedance on

1

AC power supply
side.
Example:

Two transformers
are connected in
series, or variable
autotransformer is
connected.

2

Defective transistor
module

3

Defective diode
module or thyristor
module

4

Defective surge
absorber or
capacitor

5

When input fuse is
not blown

Alarm No. 04 is on only
at time of deceleration
from high speed
operation.
Alarm No. 04 can be on
when F1 to F3 are not
blown.

Disconnect diode
modules DM1 to DM3
and thyristor modules
SM1 to SM3, then check
A-K connection with
multimeter. (Defective
modules are usually
short-circuited.)

Check surge absorbers
Z1 to Z3 and capacitors
C4 to C6.

Check if Item 1 is
applicable.

Change power supply to
one with low
impedance.There may
be loose connection of
input power cable
Example:

Open phase due to
screws not tightened
firmly.

Replace transistor
module and fuse.

Replace defective
part.Replace blown fuse.

Replace defective
part.Replace blown fuse.

When Item 1 is not
applicable, replace PCB.

4 - 11

AL-05 Control power

supply fuse blown

Item Cause of trouble Check procedure Remedy

1

Defective PCB

2

Abnormal power
supply voltage

Check AC input voltage.
See (5) above.

Replace PCB.

AL-07 Excessive speed

(Detection by
digital value)

AL-08 High input voltage

AL-09 Heat sink is

overheated

Item Cause of trouble Check procedure Remedy

Incorrect setting of

1

parameter for
number of speed
feedback pulses
(No. 6511)

Check if number of
speed feedback pulses
matches parameter
setting.

Set correct value in
parameter.

NOTE

See Chapter 6.

Item Cause of trouble Check procedure Remedy

AC power supply

1

voltage 10% higher
than rated voltage.

Incorrect setting of

2

toggle switch for
voltage switching.

Item Cause of trouble Check procedure Remedy

Cooling fan is

1

defective.
Overload

2

operation.
Dusty and dirty.

3

Check power supply
voltage.

Check power supply
voltage.

Check if fan is rotating.
Check load by using a

load meter.

Change setting from
200V to 230V.

Replace fan.

Re-examine the cutting
condition.

Clean using compressed
air or vacuum cleaner.

AL-10 Input power

voltage drops

AL-11 Overvoltage of DC

link circuit
(Regenerative
circuit is faulty ...
Regeneration
failure)

AL-12 Overcurrent flows

to DC link circuit

This alarm indicates abnormally low AC power voltage (-15% or
less).
This alarm may be generated even during momentary power
failures.

Item Cause of trouble Check procedure Remedy

1

High power
impedance.

2

PCB is defective.

3

Defective transistor
module (TM1).

Item Cause of trouble Check procedure Remedy

Output terminals or

1

internal circuit of
motor is shorted.

Transistor module

2

is defective.
PCB is defective.

3

Check connections.

Check the transistor
module.

Examine AC power
specification.

Replace PCB.
Replace transistor

module.

Replace transistor
module.

Replace PCB.

4 - 12

AL-13 CPU internal data

memory alarm

Replace PCB.

AL-16 RAM abnormality

AL-18 Program ROM

sum check error

AL-19 Excessive U

phase current
detection circuit
offset

Item Cause of trouble Check procedure Remedy

1

External data
memory (RAM)
defective

2

PCB defective

Item Cause of trouble Check procedure Remedy

Program memory

1

data (ROM)
defective

Item Cause of trouble Check procedure Remedy

A/D converter

1

defective
U-phase current

2

detector circuit
defective.

Loose contact of

3

connectors
between PCB and
power circuit

Compare data displayed
when power is turned
ON with ROM labels.

After power is turned on,
check if offset voltage
on check terminal IU is
beyond range of about
±100mV.

Check connector
connection between
PCB and power circuit.

Replace memory
(RAM).

Replace PCB.

Replace program
memory (ROM).

Replace A/D converter.

Replace PCB.

Ensure that PCB and
power circuit are
securely connected with
each other.

AL-20 Excessive V

phase current
detection circuit
offset

AL-24 Serial transfer

data error

AL-25 Serial data

transfer stopped

Item Cause of trouble Check procedure Remedy

v-phase current

1

detector circuit
defective.

Loose contact of

2

connectors
between PCB and
power circuit

Item Cause of trouble Check procedure Remedy

1

CNC power supply
is OFF.

2

Defective optical
cable for serial data
transmission

3

Defective data
transmission/
reception elements
in LSI used in serial
data transmission

After power is turned on,
check if offset voltage
on check terminal IV is
beyond range of about
±100mV.

Check connector
connection between
PCB and power circuit.

Check that CNC power
is ON.

Check that optical cable
is fitted securely to the
connector. Check that
the cable is not
broken.Check that
transmission/reception
surfaces of the cable are
clean.

Replace PCB.

Ensure that PCB and
power circuit are
securely connected with
each other.

Turn CNC power ON.
Connect

securely.Replace optical
cable.Clean optical
cable transmission/
reception surfaces.

Replace LSI.Replace
PCB.

4 - 13

AL-26 Disconnection of

speed detection
signal for Cs
contouring
control

Item Cause of trouble Check procedure Remedy

Signal level of

1

spindle motor for
Cs contouring
control is invalid.

Signal line of

2

spindle motor for
Cs contour control
is defective.

Defective detector

3

circuit for Cs
contour control

Incorrect parameter

4

setting

Check the signal, and if necessary adjust to the
normal level using the variable resistor for signal
level adjustment in the preamp.

Check that signal cable is
connected securely to
connector.Check that
signal cable is not broken.

Check that the parameter
setting does not indicate
that the Cs contour control
detector is used when
actually it is not.

Connect signal cable
securely.Replace
signal cable.

Replace detector
circuit.

Parameter CAXIS1=0
No.4001#5

AL-27 Position coder

signal
disconnection

AL-28 Disconnection of

position
detection signal
for Cs
contouring
control

Item Cause of trouble Check procedure Remedy

1

Position coder
signal line defective

2

Incorrect parameter
setting

Item Cause of trouble Check procedure Remedy

Signal level of

1

spindle detector for
Cs axis control is
defective

Signal line of

2

spindle detector for
Cs axis control is
defective

Defective detector

3

circuit for Cs axis
control

Check that signel cable
is connected securely to
connector.Check that
signal cable is not
broken.

Check that the parameter
setting does not indicate
that the position coder
signal is used when
actually it is not.

Check the signal level, and if necessary adjust to
the normal level using the variable resistor for
signal level adjustment in the preamp.

Check the signal cable is
connected securely to
connector.Check that
signal cable is not
broken.

Connect signal cable
securely.Replace signal
cable.

Parameter MRDY2=0
No. 4001#2

Connect signal cable
securely.
Replace signal cable.

Replace detector circuit.

AL-29 Short-time

overload

Item Cause of trouble Check procedure Remedy

Overload operation

1

(Overload)

Use loadmeter to check
that a load close to the
load resistance limit is
not imposed
continuously for 30
seconds or more.

Re-examine cutting
conditions and tools.

4 - 14

AL-30 Input circuit

overcurrent

Item Cause of trouble Check procedure Remedy

Defective of power

1

transistor used for
power

Defective of power

2

regeneration circuit

Check power transistor.

Replace power
transistor.

Replace PCB.

AL-31 Speed detection

signal
disconnection
motor restraint
alarm

AL-32 Abnormality in

RAM internal to
LSI for serial
data transfer

AL-33 Insufficient DC

link section
charging

Item Cause of trouble Check procedure Remedy

Motor constrained

1

Defective motor

2

speed feedback
signal

Defective motor

3

speed feedback
signal cable

Item Cause of trouble Check procedure Remedy

Defective LSI used

1

in serial data
transmission

Item Cause of trouble Check procedure Remedy

Defective relay

1

used in DC link
recharging.
Disconnection of
resistor used in
limiting re-charge
current

Check that nothing is
preventing the motor
from accelerating.

Check signal waveform.
(Alarm No.2)

Check that cable is
connected securely to
connector.Check that
cable is not broken.

Check relevant parts.

Remove cause.

Remove cause.

Connect cable
securely.Replace cable.

Replace LSI.
Replace PCB.

Replace amp.

AL-34 Parameter data

setting beyond
allowable range
of values

AL-35 Excessive gear

ratio data setting

Item Cause of trouble Check procedure Remedy

Incorrect parameter

1

setting

Check if specified
parameter value is
beyond allowable range
of values

Specify value within
allowable range.

AL-34 and F-XXX are alternately displayed in the spindle
amplifier indicator section if an AL-34 alarm is raised.
"XXX" indicates the data number internal to the spindle for a
parameter where a value beyond the allowable range is specified.

Item Cause of trouble Check procedure Remedy

Parameter data of

1

gear ratio and
position gain are
too large.

Check gear ratio and
position gain data.

Change to suitable
values.

4 - 15

AL-37 Speed detector

parameter
setting error

Item Cause of trouble Check procedure Remedy

Incorrect setting of

1

parameter for
number of speed
feedback pulses
(No. 6511)

Check if number of
speed feedback pulses
matches parameter
setting.

Set correct value in
parameter.

AL-39 Alarm for

indicating failure
in detecting
1-rotation signal
for Cs contouring
control

AL-40 Alarm for

indicating
1-rotation signal
for Cs contouring
control not
detected

AL-41 Alarm for

indicating failure
in detecting
position coder
1-rotation signal

Item Cause of trouble Check procedure Remedy

Incorrect data ROM

1

type for Cs
contouring control
detector circuit, or
incorrect setting

Low level of Cs

2

contouring control
feedback signal, or
noise on same
feedback signal

Item Cause of trouble Check procedure Remedy

No occurrence of

1

1-rotation signal
among Cs
contouring control
feedback signals,
or 1-rotation signal
offset adjustment
error

Item Cause of trouble Check procedure Remedy

Incorrect setting of

1

parameter for
number of position
coder signal pulses
(No. 4003#4, 6, 7).

Incorrect amplitude

2

and offset of
position coder
feedback signal. or
noise on same
feedback signal.

Check data ROM type for
Cs contouring control
detector circuit and
setting.

Check feedback signal
level and also check if
feedback signal
waveform includes noise.

Check 1-rotation signal
among Cs contouring
control feedback
signals.

Check number of
position coder signal
pulses and parameter
setting.

Check feedback signal
level and also check if
feedback signal
waveform includes noise.

Install correct type of
ROM.
Perform setting correctly.

Adjust feedback signal.
Check shielding status.

Make 1-rotation signal
offset adjustment.Check
cables.

Set correct value in
parameter.

Adjust feedback
signal.Check shielding
status.

AL-47 Position coder

signal
abnormality

Item Cause of trouble Check procedure Remedy

Incorrect setting of

1

parameter for
number of position
coder signal pulses
(No. 4003#4, 6, 7).

Incorrect amplitude

2

and offset of
position coder
feedback signal. or
noise on same
feedback signal.

Check number of
position coder signal
pulses and parameter
setting.

Check feedback signal
level and also check if
feedback signal
waveform includes noise.

Set correct value in
parameter.

Adjust feedback
signal.Check shielding
status.

4 - 16

4-2 Inverter for Turret

4-2-1 Status Indication (on the Point Module)

Status indication is also possible on the 7-segment indication on the point module board.
Table 4-5 shows the contents of the status indication.
This indication is continuously lit. (A flickering indication is an alarm indication.)

Table 4-1 Status Indication of Juspoint

Continuous

indication

0 Just after turning ON (without setup operation) Non at ABS mode
1 During zero-point offset automatic setup operation
2 During jog operation
3 During zero-point return operation
4 During setup operation (confirmation seems impossible because of 15 msec)
5 During stopped (setup operation completion)
6 During automatic operation
7 During manual operation
8
9
A

B
C
D
E

F

Memory storage in ABS mode completed. (ABS.READY CLOSED being output)
Just after turning ON in ABS mode (ABS.READY CLOSED being output)

Operation status

ΙΙΙ

[Status indication of inverter (Juspeed-F X3000)]

Whether or not the inverter is in the normal operating state can be monitored with the LED
(7 segments) on the printed circuit board in the inverter main body (the LED is
continuously lit in the normal operating state).

Table 4-6 shows the indication of the normal operating state.

Table 4-2 State Indication of Juspeed-F X3000

St ate LED indication Description

Servo OFF condition, ready for operation. Af ter the power is turned

Stopped

Running 0 Servo ON condition and normal operation is continued.

OFF, the inverter carries out self-diagnosis and displays “-” if no error
is found.

4 - 17

4-2-2 T roubleshooting

• Cause and remedy of alarms for Juspoint III
Table 4-3 is a list of alarms. The indications refer to those made on the 7-segment
LED on the point module board.
These indications are blinking indications (continuously lit indication indicates normal
operation).

Table 4-3 Cause and remedy of alarm

Blinking

Indication

0

Driver alarm was detected (description is
displayed on the driver).

1

PG fault (including poor wiring)

2

Emergency stop operation was occurred.

3

Operation was commanded without setup
operation after turning ON the power (except
for ABS mode 1 and 2)

4

Zero-point LS was not detected during zero­point offset automatic setup operation.

5

Zero-point LS was not detected during zero­point return operation.

6

Undefined station number was commanded.

7

Operation mode was not set correctly.

8

Zero-point offset automatic setup operation
was commanded when the zero-point offset
setup mode is set to parameter mode.

9

Zero-point LS position error (the zero-point
LS position is too close to the Z-phase
position, within ±120 pulses)

A

Zero-point offset is out of allowable range
(out of the range set by parameter [C0-10].)

b

The following occurred when the backlash
compensation was other than “0”.

•Setup operation was commanded without
zero-point return (except for ABS mode 1
and 2).

•Zero-point offset automatic setup operation
was commanded. The backlash
compensation is larger than the unit station
pulses. (Set a value smaller than the unit
station pulses.)

C

Station numbers are not arranged in order in
the case of the absolute position setting [C0­01=4]. Arrange the station numbers in the
order of station numbers.

d

In the ABS mode, the memory storage was
not completed. Reset and perform zero­point return.

Blank

Reset the alarms using the reset signal (RESET). The alarms can also be reset by the power supply (24 VDC). Reset the
power supply in the case of the MCU error.

MCU error

Alarm description Cause and remedy

Check the alarm on the driver. The alarm description is displayed on the
amplifier board.

PG fault, PG poor wiring, or motor locked may be the cause. Check them.
Emergency stop operation was occurred to stop the motor.

Inputting OPEN for the EMG signal executes the emergency stop operation.
After resetting the alarm, zero-point return or setup operation is not required.

Automatic or manual operation was performed with state “0” (without setup).
Perform the setup operation and then the automatic or manual operation.

The zero-point LS was not detected after turning the motor for 40000 pulses
(10 rotations) during the zero-point offset automatic setup operation.
Check that the zero-point LS is correctly wired and that the signal is input to
Juspoint III. Or, mount the zero-point LS at a position within 40000 pulses
(10 rotations) from the zero-point.

The zero-point LS was not detected after turning the motor for all set
stations during the zero-point return operation Check that the zero-point LS
is correctly wired or that the signal is input to Juspoint III.

Command a station number within the range set by [C0-00: number of
stations] (for setup or automatic operation).

Underfined operation mode was input. Set the correct operation mode input
(MODE0-MODE2)

[C0-04=0] is set (zero-point offset setup is set to parameter mode).
To perform the zero-point offset automatic setup operation, set [C0-04=1].

The Zero-point LS position and the Z-phase pulse position of PG is too close
(±120 pulses). Change the LS position or Z-phase position.

The Zero-point offset detected during the zero-point offset automatic setup
operation is out of the range of 120-40000. Change the zero-point LS
position correctly.

A value larger than the minimum value of station interval pulses is set for the
backlash compensation or zero-point return was not carried out before the
setup operation. Check the two possibilities and correct the setting or
sequence.

Stations are not arranged in the order of station numbers in the case of the
absolute coordinate axis [C0-01=4]. Set the parameters or carry out
teaching so that the stations will be in the order of station numbers.

In the case of the ABS mode [C0-09=1 or 2], the information required for the
ABS operation was not stored in the nonvolatile memory before the power
was turned OFF. To execute ABS operation, first change the ABS.ST signal
from CLOSED to OPEN and make sure that the ABS.READY signal
becomes CLOSED before turning OFF the power. This alarm is also issued
when the motor shaft is forced to rotate by external force while the power is
turned OFF. When the ABS mode 1 is to be used, the motor must have a
brake.

Malfunction of the microcomputer (out of control). It is possible that noise
has entered from the control signal line or 24 VDC power line. Take
measures to prevent noise from entering these lines; shield the cables or
separate the lines from the power lines carrying large currents. It is also
possible that the control unit is faulty. If the error does not disappear by
eliminating the noise, replace the control unit and return it to the factory.

4 - 18

[Cause and remedy of alarms for the inverter (Juspeed-F X3000)]

Error indication (Errors are indicated by blinking indication.)
Errors of the inverter can be monitored on the LED (7 segments) on the printed circuit

board in the inverter main body.

Table 4-4 Cause and remedy of alarms for Juspeed-F X3000

State

Overcurrent

Overvoltage

Overspeed

Under­voltage

PG error

Exceeding

temperature

CPU error I

CPU error II

CT error

Ground

Fault

Others

LED

indication

1

2

3

4

5

6

7

8

9

b

0

Contents Cause and remedy

Overcurrent or short-circuit
current was detected and the
inverter output was shut-off.

Regeneration overvoltage was
detected and the inverter
output was shut-off.
DC bus voltage: 450V

The motor speed exceed 1.1
times max. speed (10%
increase) was detected and
the inverter output was shut­off.

A voltage drop was detected
and the inverter output was
shut-off. DC voltage: 213V

Encoder error was detected
and the inverter output was
shut-off. Note that not all the
PG errors can be detected.

The temperature inside the
motor has risen above the
regulated value and the
inverter output was shut-off.

CPU error was detected during
the self-diagnosis carried out
after power was supplied and
the inverter output was shut­off.

CPU error (WDT) was
detected during operation and
the inverter output was shut­off. This error is detected for
external noise.

CT (current detector) error was
detected and the inverter
output was shut-off.

Ground fault was detected in
the output at the start of
operation and the inverter
output was shut-off.

An error (alarm) other than
those listed above was
detected and the inverter
output was shut-off.

It is possible that the torque limit is too high or the output has a short­circuit. If no change can be seen after changing the torque limit to 200% or
smaller, check for a short-circuit of the output.

The torque limit may be too high or the regeneration resistor may be
burned out. If no change can be seen after changing the torque limit to
200% or smaller, return the regeneration resistor to the factory for
investigation.

When the motor speed gets up to 1980r/min, the motor is being forced to
rotate by an external force. Check for the cause and eliminate it.

The power supply voltage has dropped (180 VAC or lower) during operation
or instantaneous power failure was detected. If the cause cannot be
eliminated, add a sequence that will input the reset signal after the voltage
drop or momentary power loss.

PG fault, PG wiring fault, or motor-lock can be considered. Check for the
cause of these faults.

The temperature inside the motor has become high or the temperature
detection line (inside the PG cable) is faulty. Check the motor temperature.
If the temperature is normal, check the temperature detection line (PG
cable).

Since the error was detected during self-diagnosis carried out after power
was supplied, it is a hard ware error. Replace and return it to the factory.

Malfunction of the microcomputer (out of control). It is possible that noise
has entered from the control signal line or 24 VDC power line. Take
measures to prevent noise from entering these lines; shield the cables or
separate the lines from power lines carrying large currents. It is also
possible that the control unit is faulty. If the error does not disappear after
eliminating the noise, replace the control unit and return it to the factory.

Since the CT error for current detection was detected, it is a hardware error.
Replace and return it to the factory.

The ground fault was detected in output lines (U, V, W) upon servo ON.
Check whether the output side being grounded. If this alarm is not reset
after the grounding state was reset, replace and return it to the factory.

An error other than those listed above was detected. It is possible that it is
alarm 8 above. Take the corrective action listed in the column for alarm 8,
and if no improvement is made, replace and return it to the factory.

Notes: 1 When more than one alarm is detected, they are indicated cyclically.

Example: When alarms 3,4 and 7 are detected, the LED will display 3

2 The alarm state is retained unless the power supply is reset or th reset signal is used.
3 The indications blink.

4 - 19

→→

→ 4

→→

→→

→ 7

→→

→→

→ 3

→→

→→

→ 4

→→

→→

→→

→ 7

→ 3 and so on.

→→

→→

4-3 Replacing Method of Battery

The CNC unit provides a battery to hold a memory which is stored programs, offset
amount and parameter etc. When the battery voltage drops, a warning [794 BATTERY
ALARM] is displayed on the screen. If a warning is displayed, replace the battery as soon
as possible. The memory may be lost when the power source keep off for one week or
more without replacing a battery.

Caution

Since the life of battery is about one year, replace it once a year
periodically even if above alarm is not occurred.

(1) Replacing procedure of battery for CNC memory back up

Get a lithium battery (A02B-0200-K102) ready.

!

WARNING

A battery may be exploded unless replaced properly. Use only the specified batteries
(A02B-0200-K102).

[1]Turn ON the machine (CNC) about 30 minutes, then turn it OFF.
[2]Remove the battery on the top of the CNC unit.

At first, remove the connector, and remove the battery from the battery case.

[3]After replacing, connect the connector.

Note) The battery case is located,

 On the middle part of the upper section of the unit as per a following

diagram, in case of with the option slot.
 On the right end of the upper section of the unit in case of without
the optionslot.

battery case

connector

Lithium battery
A02BB-0200-K102

Caution

Battery changing work [1] ~ [3] should be completed within 30 minutes.
If the machine is left any longer without battery, data memory in store would be lost.

When there is a possibility of the work not being completed within 30 minutes, save the
SRAM memory on the memory card in the lump. This facilitates restoration of memory
even if the data is once lost. For an operating method, see “APPENDIX : BOOT SYSTEM.”

4 - 20

4-4 Alarm Display

4-4-1 NC Alarm

No. Content
100 G10 command error
101 Zero-point return not complete
102 F command error
103 Tapping command error
106 Plane selection command error
107 Offset No. error
112 Tool No. error
113 Polar coordinates compensation command error
114 Polar coordinates compensation mode error
115 Tool diameter/Nose R offset error
117 Tool diameter/Nose R offset interference error
118 Tool diameter/Nose R offset intersection error
119 Tool diameter/Nose R offset mode error
120 Tool length measurement command error
121 Tool length measurement command error
123 Tool length measurement operating error
124 Arbitrary angle chamfer corner R error
126 Cylinder compensation command error
127 Cylinder compensation mode error
128 G68 error
130 Block command error
131 Ark radius R designation error
132 Ark compensation error
133 Fixed cycle command error
134 Boring pattern cycle command error
135 rue circle cutting command error
136 Square cutting command error
137 Pocket cutting command error
138 Direct tap command error
139 Virtual axis command error
140 Program restart error
142 Scaling command error

4 - 21

No. Content
143 Scaling mode error
144 G511/G501 program format error
146 G53 error
149 Helical cutting command error
158 3-dimension tool offset error
159 3-dimension tool mode error
160 Tool length offset error
161 Tool position offset error
163 Multiple M code command error
175 Compound type fixed cycle error
176 Single type fixed cycle error
177 Angle designated straight line compensation error
178 Chamfer, corner R error
179 Groove width offset error
180 G41, G42 command not possible
182 T command error
183 G128 error
184 Rear face processing command error
188 No option in address to write
189 Incorrect parameter setting
191 Option command
196 Reverse move error [Warning]
201 G25/G26 command error
210 Oscillation command error

211 Oscillation mode error
260 HPCC command error
261 HPCC mode error
262 Previous control command error
263 Previous control mode error
270 Soft jaws forming error
271 Soft jaws forming operation error
272 Pre-machining graphics-drawing error
500 Program character number exceeds permissible maximum
501 Command data digit exceeds permissible maximum
502 Non-existent character string variable

4 - 22

No. Content

503 Character string variable not possible to construct

504 Undefined G code

505 SETVN command format incorrect

506 Command exceeds permissible value of system variable

507 Search of variable value not possible

508 Overflow of logical operation

509 Improper argument assignment of a macro call

510 Format of macro sentence incorrect

511 Use of decimal point “.” improper

512 Use of minus sign “-” improper

513 Data following address non-existent

514 Description of formula incorrect

515 Variable No. not permitted to use

516 False character

517 Input of data to variable which does not accept data

518 Faulty variable value

519 Opening and closing parentheses do not correspond

520 Mixed existence of NC sentence and Macro sentence

521 Non-existence of corresponding sequence No.

522 Non-existence of corresponding program

523 Division with divisor “0”

524 Negative square root

525 Function BCD/BIN with negative number

526 BIN function in the data not belonging to BCD

527 Overflow during calculating formula

528 DO/END recognition No. improper

529 Branch destination included in the DO loop.

530 DO/END loop intersects

531 Non-existence of POPEN command

532 Duplicate call up of subprogram-macro does not function

533 Duplicate call up of macro does not function

534 Multiple call up command with same program

535 DO/END command in DNC program

536 No designation of subprogram

538 Non-existent function

4 - 23

No. Content
539 Error in writing function
540 ADP function error
541 Non-existence of END corresponding DO
542 Non-existence of IF sentence corresponding ENDIF
543 Non-existence of ENDIF corresponding block IF sentence
544 Ineffective calculation
545 Macro in compound type fixed cycle form
546 Wrong G code in high precision contouring control
560 External output open error
561 External output communication error
570 DNC operation start error
701 No.1 axis Zero-point return deceleration signal is abnormal

~

708 No.8 axis Zero-point return deceleration signal is abnormal
710 W setter mode error
711 W setter mode error
712 Q setter mode error
713 Q setter mode error
714 Q setter interlock
715 Measurement error
716 Tool setter measurement error
721 Start in automatic operation does not function [Warning]
724 Q setter repeat error
729 Setting of jaw end face position not completed [Warning]
730 External No. search error
732 External data I/O error
733 External data I/O error
734 External data input error

~

735 External data input error
736 External data output error
738 Q setter repeat error
739 Q setter repeat error
770 Spindle overload alarm [Warning]
772 X axis overload alarm

4 - 24

No. Content
773 Y axis overload alarm
774 Z axis overload alarm
775 Swivel tool overload alarm
771 non-load alarm [Warning]
780 Damaged tool was selected [Warning]
781 Lifeover tool was selected [Warning]
782 Pre-processing tool check error [Warning]
783 Surveillance program format error [Warning]
784 Tool on demand registration error [Warning]
790 System table error
791 Executed data conversion error
794 Battery exhaustion [Warning]
795 Emergency stop [Warning]

No. Content
F000 Switch off the source power
F085 Communication error
F086 Operation preparation signal is OFF
F087 Buffer overflow
F092 Zero return is not complete
F205 Rigid mode DI 1s OFF
5000 Illegal command code (HPCC)
5003 Illegal parameter (HPCC)
5004 HPCC not ready
5006 Too many words in one block
5007 Too large distance
5009 Parameter zero (Dry run)
5010 End of recode
5011 Parameter zero (Cut max)
F300 Request for n-axis zero return
F301 APC alarm: n-axis communication
F302 APC alarm: n-axis overtime
F303 APC alarm: n-axis framing
F304 APC alarm: n-axis parity
F305 APC alarm: n-axis pulse error
F306 APC alarm: n-axis battery voltage 0

4 - 25

No. Content
F307 APC alarm: n-axis battery low voltage 1
F308 APC alarm: n-axis battery low voltage 2
F309 APC alarm: n-axis zero return disable
F350 SPC alarm: n-axis pulse coder
F351 SPC alarm: n-axis communication
F400 Servo alarm: n-axis overload
F401 Servo alarm: n-axis V ready OFF
F404 Servo alarm: n-axis V ready ON
F405 Servo alarm: (Zero return abnormal)
F407 Servo alarm: Excessive error
F409 Servo alarm: n-axis abnormal load
F410 Servo alarm: n-axis excessive error value
F411 Servo alarm: n-axis excessive error value
F413 Servo alarm: n-axis LSI overflow
F414 servo alarm: n-axis detecting system error
F415 Servo alarm: n-axis excessive move amount
F416 Servo alarm: n-axis broken wire
F417 Servo alarm: n-axis parameter improper
F420 Servo alarm: n-axis excessive torque difference
F421 Servo alarm: n-axis excessive error value
F500 Over travel: +n
F501 Over travel: -n
F502 Over travel: +n
F503 Over travel: -n
F504 Over travel: +n
F505 Over travel: -n
F506 Over travel: +n
F507 Over travel: -n
F510 Over travel: +N
F511 Over travel: -N
F700 Over heat: Control unit
F701 Over heat: Fan motor
F704 Over heat: Spindle
F740 Rigid tap alarm: Excessive error value
F741 Rigid tap alarm: Excessive error value
F742 Rigid tap alarm: LSI error

4 - 26

No. Content
F749 S-spindle LSI error
F750 Spindle serial link starting fault
F751 1st spindle alarm detected
F752 1st spindle mode switching abnormal
F754 1st spindle abnormal load detected
F761 2nd spindle alarm detected
F762 2nd spindle mode switching abnormal
F764 2nd spindle abnormal load detected
F771 3rd spindle alarm detected
F772 3rd spindle mode switching abnormal
F774 3rd spindle abnormal load detected

4 - 27

4-4-2 PC Alarm

ALARM No. COMMENT Details/Counter-measures

1000 HYDRAULIC MOTOR OVER LOAD Thermal MS1 is tripped. Reset the

1001 COOLANT MOTOR OVER LOAD Thermal MS2 is tripped. Reset the

1004 SPINDLE COOLER UNIT ALARM Spindle cooler unit alarm is issued.

1007 CHIP CONVEYOR ALARM Thermal in chip conveyor control box is

1011 TURRET DRIVE UNIT ALARM Turret drive unit alarm is issued. Check

1017 TURRET INDEX CYCLE POWER OFF Indexing is suspended. Put back the

1020 TURRET INDEX SET UP ERROR Station number setting is wrong. Put

thermal.

thermal.

Check the spindle cooler unit.

tripped. Reset the thermal.

the turret drive unit.

turret position according to the restoring
method.

back the turret position according to the
restoring method.

1021 TURRET INDEX CONDITION FAULT The conditions of turret are incomplete.

Put back the Q-setter arm.
1022 SPINDLE ALARM Check the spindle drive unit.
1023 CIRCUIT PROTECTOR TRIP Circuit protector in control box is

tripped. CP-1­1024 TURRET INDEX TIME OVER Turret index was not completed within

the specified time. Put back the turret

position according to the restoring

method.
1026 Q-SETTER ARM ALARM Put back the Q-setter arm.
1027
1030 NC ALARM NC alarm is issued.
1036 NC TORQUE LIMITER ALARM Check which axis is the cause of alarm

by referring NC alarm history and review

the processing conditions.
2043 AIR PRESSURE ALARM Air pressure of the machine proper has

dropped. Check the air pressure

source.
1044 MEASURING ARM OPERATION Work measurement is abnormal.

ALARM
1046 DOOR CLOSE NOT DETECTED Close the door then start operation.
1047 CHUCK CLOSE NOT DETECTED Close the chuck then start operation.

4 - 28

ALARM No. COMMENT Details/Counter-measures

1050 NOT OPTION Key not usable was pressed.
1056 SPINDLE ORIENTATION ALARM Spindle orientation was not completed

within the specified time.
1060
1061 FEEDER PALLET SINK LIMIT (Z- Feeder side pallet is pressed to hard.

AXIS-0T)

1062 FEEDER ALARM Feeder alarm is being issued. Check

the feeder.
1063 SPINDLE BRAKE NOT RELEASED Release the spindle brake then start the

spindle operation.
1064 C AXIS CONNECTION ALARM C axis connection/disconnection was

not completed within the specified time.
1065 AUTO PRESETTER ARM OPERATING Auto presetter action is not completed.

TIME OVER

1066 AUTO DOOR OPERATING TIME Auto door open/close action is

OVER abnormal.
1067
1070 CHUCKING FAULT Chucking is abnormal.
1073 M FUNCTION CYCLE TIME OVER M function execution was not completed

within the specified time.

2075 COUNTER COUNT UP Count number has reached the setting

value.
2076 M31 STOP ALARM Material work has exhausted.
1077
1080
1081 ZERO TETURN INCOMPLETE Complete all axes zero return.
1082 Z-SETTER ARM RETURN NOT Z-setter arm is not returned to the

DETECTED position.

1084 AUTO PRESETTER ARM RETURN Auto presetter is not returned to the

NOT DETECTED position.

1085 MEASURING ARM RETURN NOT Work measuring arm is not returned to

DETECTED the position.

1086 SPINDLE STOP UNFINISH During spindle rotation, action was

commanded for operating chuck,

center, etc.
1087 ROTATING TOOL RUNNING Rotation tool is in motion.
1090 CHIP CONVEYOR MODE NOT AUTO Make chip conveyor in auto mode on

the operating panel.

4 - 29

ALARM No. COMMENT Details/Counter-measures

1091 ORIENTATION RELEASE UNFINISH Release the spindle orientation.
1093 C AXIS MODE CANCEL UNFINISH Release the C axis connection.
1094
1095 TOOL CLAMP NOT DETECTED Clamp the tool firm.
1100 POSITION INTERLOCK AREA C This is the interlock in case of instrusion

into the feeder area. During program
operation, when the safety guard on the
feeder side is opened and there is an
instrusion into the feeder area, alarm
stop takes place.
Also, when the spindle is rotated within
the feeder area, an alarm is issued.

1101 ALL AXIS ZERO RETURN At time of NC initial source power ON,

INTERLOCK AREA D one touch zero return does not work

unless each axis is within the position

area D.
1102 NO SPARE TOOL There is not spare tool.
1103 POSITION INTERLOCK AREA E Because of interference with the way

cover, intrusion is prohibited.
1105 CHUCK UNCLAMP UNFINISH Chuck is not unclamped.
1106 SAFETY GUARD OPEN ALARM Close is not unclamped.
1110 I/O BOARD FUSE TRIP Standard slave fuse has blown up.

1111 I/O BOARD FUSE TRIP Option slave fuse has blown up.
1112
1 113 OIL SCHEMER MOROE OVER LOAD Oil schemer is abnormal.

ALARM
1117 PC PARAMETER SETTING ERROR The setting of PC parameter is abnormal.
1120 ROTATING TOOL CONNECT Rotating tool is not connected.

UNFINISH
1121 ROTATING TOOL CONNECT Rotating tool is connection/disconnection

TIME OVER action was not completed.
1122 C AXIS CONNECT TIME OVER C-axis is not connected.
1123 ROTATING TOOL INDEXING R o tating tool indexing is not finished.

UNIFINISH
1124

4 - 30

4 - 31

5. EXPENDABLE PARTS LIST

5-1 Expendable Parts List of CS20

No. CODE NO. PRODUCT NAME MODEL (Type of VOLUME REMARKS

machines applied)
SADDLE.ROSS SLIDE & Z FEED
1 03999006026 Angular ball bearing 25TAC62BSUC10PN7B 2 NSK
2 02341201450 Limit switch SL1-A 2 YAMATAKE
HEADSTOCK
1 06-16LZ50 O-ring 16L250 2

2 04999097874 O-ring GS270 (φ3.1) 1
3 06315100600 O-ring 15L6 2

4 06-16LZ20 O-ring 16L220 1
BED & X FEED
1 02341201450 Limit switch SL1-A 2 YAMATAKE

1/2

2 03999006026 Angular ball bearing 25TAC62BSU C10 PN7B 4 NSK
3 05141000330 STS belt 250S8M800 1 BANDO
TOOL POST
1 04999105618 X-ring R-60 2 NIHON BULKER
2 06-16L80 O-ring 16L80 1
3 06-15L16 O-ring 15L16 2
4 06-15L12 O-ring 15L12 12
5 17450041700 Seal ring OVO-240*250*5 (Fluorine) 1 SHORITSU
6 05999062529 Timing belt 250KPS8M1032 1 BANDO
7 02341201470 Limit switch SL1-H 1 YAMATAKE
POWER SOURCE
1 04999001239 Solenoid valve SL-G01-E3X-GR-C1-9560B 2 FUJIKOSHI
COOLANT
1 02172200500 Coolant pump VKP073A (180kW) 1 FUJI Electric
SPLASH GUARD
1 02712100920 Limit switch D4D-2120 1 OM R O N
2 02921111400 Fluorescent lamp PM1115S-G10W 1 Hitachi, Ltd.
3 02921220900 Fluorescent lamp FL-10D 1 Hitachi, Ltd.

4 05902200010 Bearing NBM-6 6×24×12 2 Ochiai Shoten
5 1682-75-368-00 Wiper (WP-34-20S) 1 NITTA

6 1682-75-367-00 Wiper (WP-34-20S) 1 NITTA

5 - 1

No. CODE NO. PRODUCT NAME MODEL (Type of VOLUME REMARKS

machines applied)
SPLASH GUARD
7 1682-75-452-00 Wiper (WP-34-20S) 1 NITTA
8 1682-75-451-01 Wiper (WP-34-20S) 1 NITTA
9 1682-75-440-01 Wiper (WP-34-20S) 1 NITTA
10 1682-75-441-00 Wiper (WP-34-20S) 1 NITTA
11 1682-75-316-21 Wiper (WP-34-20S) 1 NITTA
12 1682-75-376-00 Wiper (WP-34-20S) 1 NITTA
13 1682-75-353-00 Wiper (WP-34-20S) 1 NITTA
14 1682-75-384-00 Wiper (WP-34-20S) 1 NITTA
15 1682-99-368-00 Wiper (WP-34-20S) 1 NITTA
Q SETTER
1 02999074574 Proximity switch FL7M-7J6HD-EL05 1 YAMATAKE

2 04849000040 Seal GD40×25×5 1 NTN
3 9100-00-006-00 Probe L4P01 1 AZUMA

2/2

4 06315101200 O-ring 15L12 1
5 06316203000 O-ring 16L30 1
6 06326045000 Seal 26L45 1
TURN EQUIPMENT
1 03660064000 Deep grove 6006ZZ 2 NTN

ball bearing
2 03913112100 Drymet bush 70B-1210 2 OILES
3 03999029014 Cam follower KRV13XLLH 8 NTN
4 03999029090 Cam follower KRVU16XLLH 9 NTN
5 05999067337 Geared belt 150KPS8M848 1 BANDO

5 - 2

1

TURNING CENTER

SUPER HiCELL250

INSTRUCTION MANUAL

MAINTENANCE

SEIKI-SEICOS S18T

Version 1.01

8-2000

First Edition6-1998

2