Dake Cut 250 User Manual
USE AND MAINTENANCE MANUAL
CUT 250 -1 PHCUT 250 -1 PH
CUT 250 -1 PH
CUT 250 -1 PHCUT 250 -1 PH
THOMAS
THOMAS S.p.A. - Via Pasubio, 32 - 36033 Isola Vicentina (VI) - Telephone 0444 / 97.61.05 - Fax 0444 / 97.69.34
Registro Imprese n. 4272//VI 116 REA n. 93906/Vicenza
Contents
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Contents ........................................................................ " 2
Ordering spare parts .................................................... " 2
Guarantee ...................................................................... " 2
Machine certification and identification marking .... " 3
CHAPTER 1
Reference to accident-prevention regulations .......... " 4
1.1 - Advice for the operator ..........................................." 4
1.2 - Location of shields against accidental contact with
the tool ...................................................................." 4
1.3 - Electrical equipment according to European
Standard "CENELEC EN 60 204-1" ........... " 4
1.4 - Emergencies according to European Standard
"CENELEC EN 60 204-1" ........................... " 4
CHAPTER 2
Recommendations and advice for use ....................... " 4
2.1 - Recommendations and advice for using the machine "
4
CHAPTER 3
Technical characteristics............................................. " 5
3.1 - Table of cutting capacity and technical details ....... " 5
CHAPTER 4
Machine dimensions - Transport - Installation
Dismantling ................................................................... " 5
4.1 - Machine dimensions ............................................... " 5
4.2 - Transpor t and handling of the machine .................." 5
4.3 - Minimum requirements for the premises
housing the machine .............................................." 5
4.4 - Anchoring the machine..........................................." 5
4.5 - Instructions for electrical connection ......................" 6
4.6 - Instructions for assembly of the loose parts and
accessories ............................................................. " 6
4.7 - Disactivating the machine ....................................... " 6
4.8 - Dismantling ............................................................." 6
CHAPTER 5
Machine functional parts ............................................. " 6
5.1 - Operating head....................................................... " 6
5.2 - Vice ........................................................................." 6
5.3 - Bed.........................................................................." 6
CHAPTER 6
Description of the operating cycle ............................. " 6
6.1 - Starting up and cutting cycle .................................. " 6
CHAPTER 7
Regulating the machine ............................................... " 7
7.1 - Disk head ................................................................" 7
7.2 - Vice ........................................................................." 7
7.3 - Regulating arm blockage........................................ " 7
7.4 - Changing the disk ................................................... " 8
7.5 - Changing the lubricating coolant pump.................. " 8
CHAPTER 8
Routine and special maintenance .............................. " 8
8.1 - Daily maintenance .................................................." 8
8.2 - Weekly maintenance .............................................. " 8
8.3 - Monthly maintenance ............................................. " 8
8.4 - Six-monthly maintenance ....................................... " 8
8.5 - Oil disposal ............................................................." 9
8.6 - Special maintenance .............................................." 9
CHAPTER 9
Material classification and choice of tool .................. " 9
9.1 - Definition of materials ............................................." 9
9.2 - Choosing the disk ................................................... " 9
9.3 - Teeth pitch .............................................................. " 10
9.4 - Cutting and advance speed .................................... " 10
9.5 - Running in the disk ................................................." 10
9.6 - Disk structure.........................................................." 10
9.7 - Type of disks ........................................................... " 10
Tooth shape ........................................................... " 10
Tooth cutting angle ................................................. " 10
9.7.1 - Table of recommended cutting parameters ................. " 11
9.7.2 - Table of cutting speed according to disk diameter........ " 11
CHAPTER 10
Machine components ................................................... " 12
10.1- List of spare parts .................................................. " 12
CHAPTER 11
Wiring diagrams ........................................................... " 14
CHAPTER 12
Troubleshooting............................................................ " 15
12.1-Blade and cutting diagnosis...................................." 15
12.2-Electrical components diagnosis ............................" 17
CHAPTER 13
Noise tests ..................................................................... " 17
Plates and labels .......................................................... " 18
Note ............................................................................... " 19
Ordering spare parts
- When ordering spare parts you must state:
MACHINE MODEL
SERIAL NUMBER
PART REFERENCE NUMBER
Without these references WE WILL NOT SUPPLY the spares. See point 10.1 - list spare parts -.
Guarantee
- The Company guarantees that the machine to which this manual refers has been designed and built to comply with safety regulations
and that it has been tested for functionality in the factory.
- The machine is guaranteed for 12 months: the guarantee does not cover the electric motors, electric components, pneumatic
components or any damage due to dropping or to bad machine management, the failure to observe maintenance standards or bad
handling by the operator.
- The buyer has only the right to replacement of the faulty parts, while transport and packing costs are at his expense.
- The serial number on the machine is a primary reference for the guarantee, for after-sales assistance and for identifying the machine
for any necessity.
2
Machine certification and identification marking
MACHINE LABEL
via Pasubio, 32 36033 ISOLA VIC. - ITALIA
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MODEL
CUT 250 1 PH
TYP
SERIAL NUMBER
YEAR OF MANUFACTURE
(Space reserved for the NAME and STAMP of the DEALER and/or IMPORTER)
3
REFERENCE TO ACCIDENT-
1
PREVENTION REGULA TIONS
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This machine has been built to comply with the national and
community accident-prevention regulations in force.
Improper use and/or tampering with the safety devices will
relieve the manufacturer of all responsibility.
1.1 - Advice for the operator
- Check that the voltage indicated on the plate, normally fixed
to the machine motor, is the same as the line voltage.
- Check the efficiency of your electric supply and earthing system;
connect the power cable of the machine to the socket and the
earth lead (yellow-green in colour) to the earthing system.
- When the tool head is in rest position (raised), the toothed
disk must be stationary.
- It is forbidden to work on the machine without its shields (these
are all white, blue or grey in colour).
- Always disconnect the machine from the power socket before
changing the disk or carrying out any maintenance job, even
in the case of abnormal machine operation.
- It is forbidden to disconnect the “man present” device, known
more correctly in the EEC as the “safety switch with holddown action”.
- Always wear suitable eye protection.
- Never put your hands or arms into the cutting area while the
machine is operating.
- Do not shift the machine while it is cutting.
- Do not wear loose clothing with sleeves that are too long,
gloves that are too big, bracelets, chains or any other object
that could get caught in the machine during operation; tie back
long hair.
- Keep the area free of equipment, tools or any other object.
- Perform only one operation at a time and never have several
objects in your hands at the same time. Keep your hands as
clean as possible.
- All internal and/or internal operations, maintenance or repairs,
must be performed in a well-lit area or where there is sufficient
light from extra sources so as to avoid the risk of even slight
accidents.
The equipment is protected against splashes of water and
dust.
- Protection of the motor overload, is provided by a thermal
probe.
- In the event of a power cut, the specific start-up button must
be reset.
- The machine has been tested in conformity with point 20 of
EN 60204.
RECOMMENDATIONS AND
2
AD VICE FOR USE
2.1 - Recommendations and advice for using the
machine
- The machine has been designed to cut metal building
materials, with different shapes and profiles, used in
workshops, turner’s shops and general mechanical structural
work.
- Only one operator is needed to use the machine.
1.2 - Location of shields against accidental
contact with the tool
- Grey metal shield screwed onto the disk head.
- Self-regulating mobile blue plastic shield, fitted coaxially with
the fixed shield.
1.3 - Electrical equipment according to European
Standard"CENELEC EN 60 204-1" which assimilates, with some integrating modifications,
the publication "IEC 204-1"
- The electrical equipment ensures protection against electric
shock as a result of direct or indirect contact. The active parts
of this equipment are housed in a box to which access is limited
by screws that can only be removed with a special tool;
4
- To obtain good running-in of the machine it is advisable to
start using it at intervals of about half an hour. This operation
should be repeated two or three times, after which the machine
may be used continuously.
- Before starting each cutting operation, ensure that the part is
firmly gripped in the vice and that the end is suitably supported.
- Do not use disks of a different size from those stated in the
machine specifications.
- If the disk gets stuck in the cut, release the running button
immediately, switch off the machine, open the vice slowly,
remove the part and check that the disk or its teeth are not
broken. If they are broken, change the tool.
- Before carrying out any repairs on the machine, consult the
dealer or apply to THOMAS.
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TECHNICAL
3
CHARACTERISTICS
3.1 -
T ab le of cutting capacity and tec hnical details
CUTTING
CAPACITA` DI
TAGLIO
CAPACITY
90° 30 70 65 100 x 45
45° DX 25 60 55 65 x 50
- Single-phase el. motor for 1-speed disk
rotation kW 0.9
- Reduction gear in an oil bath Ratio = 1:32
- Maximum disk diameter mm 250
- Disk rotation speed rpm 40
- Vice opening mm 105
- Machine weight kg 80
4.2 - Transport and handling of the machine
If the machine has to be shifted in its own packing, use a fork-lift
truck or sling it with straps as illustrated.
MACHINE DIMENSIONS
TRANSPORT
4
INSTALLATION
DISMANTLING
4.1 - Machine dimensions
800
1550 WITH PEDESTAL
940
410
770
360
4.3 - Minimum requirements for the premises
housing the machine
- Mains voltage and frequency complying with the machine motor
characteristics.
- Environment temperature from -10 °C to +50 °C.
- Relative humidity not over 90%.
4.4 - Anchoring the machine
580
7070 440
M8
560
- Position the machine on a firm cement floor, maintaining, at
AA
12
270 290
the rear, a minimum distance of 800 mm from the w all; anchor
it to the ground as shown in the diagram, using screws and
expansion plugs or tie rods sunk in cement, ensuring that it is
sitting level.
SEC. A - A
PEDESTAL PROFILE
5
4.5 - Instructions for electrical connection
- The machine is not provided with an electric plug, so the
customer must fit a suitable one for his own w orking conditions.
- Before connecting the machine to the mains, make sure that
your electrical installation is in good conditions and that a
suitable thermo-magnetic protection is provided.
- WIRING DIAGRAM FOR THE SINGLE-PHASE SYSTEM
SOCKET FOR A 16A PLUG
= L1
= L2
= PE
4.6 - Instructions for assembly of the loose parts
and accessories
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1) Cast iron or ferrous materials, composed of metal alone,
are secondary raw materials, so they may be taken to an
iron foundry for re-smelting after having removed the contents
(classified in point 3);
2) electrical components, including the cable and electronic material (magnetic cards, etc.), fall within the category of material
classified as being assimilable to urban waste according
to the laws of the European community, so they may be set
aside for collection by the public waste disposal service;
3) old mineral and synthetic and/or mixed oils, emulsified oils
and greases are special refuse, so they must be collected,
transported and subsequently disposed of by the old oil
disposal service.
NOTE: since standards and legislation concerning refuse in
general is in a state of continuous evolution and therefore
subject to changes and variations, the user must keep
informed of the regulations in force at the time of
disposing of the machine tool, as these may differ from
those described above, which are to be considered as
a general guide line.
MACHINE FUNCTIONAL
5
PARTS
5.1 - Operating head
1
2
3
Fit the components supplied as indicated in the photo:
- part. 1 Screw the lever onto the head and fix it
- part. 2 Fit the bar holding rod
- part. 3 Fix the pedestal firmly onto the base
4.7 - Disactivating the machine
- If the sawing machine is to be out of use for a long period, it is
advisable to proceed as follows:
1) detach the plug from the electric supply panel
2) release the head return spring
3) empty the coolant tank
4) carefully clean and grease the machine
5) if necessary, cover the machine.
4.8 - Dismantling
(because of deterioration and/or obsolescence)
- Machine part composed of the parts that transmit movement
(motor, reduction unit), the lubricating coolant pump and the
electrical components.
5.2 - Vice
- System for gripping material during the cutting operation,
operated with handwheel.
It is provided with an anti-burr device for blocking the part that
is to be cut.
5.3 - Bed
- Support structure for the OPERATING HEAD (rotating ar m
for gradual cutting, with respective b locking system), the VICE,
the BAR STOP, and the housing for the cutting coolant TANK.
DESCRIPTION OF THE
6
OPERATING CYCLE
Before operating, all the main organs of the machine must
be set in optimum conditions (see the chapter on “Regulating
the machine”).
6.1 - Starting up and cutting cycle
- Press switch ( 3 ). The warning light lights up.
- Place material to be cut in the vice ( 4 ) and clamp the part
into place by handwheel ( 5 ).
- Grip the handle ( 6 ) of the HEAD control arm and press the
button, checking that the disk is turning in the direction
indicated.
General rules
If the machine is to be permanently demolished and/or scrapped,
divide the material to be disposed of according to type and
composition, as follows:
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