Only qualied personnel should work with the product. Use the product correctly after thoroughly reading the section
“2 Safety precautions” on p.4. In addition, be sure to observe the contents described in warning, caution, and note in
this manual.
The product described in this manual has been designed and manufactured to be incorporated in general industrial
equipment. Do not use it for any other purpose. Oriental Motor will not be liable for whatever damage arises from
failure to observe this warning.
Product overview
The
box-type driver.
Each unit has a
same settings.
With the accessory data setter
performance and set operation data/ parameters and motor operations with ease.
Standards and CE Marking
This product is recognized by UL. The CE Marking (Low Voltage Directive and EMC Directive) is afxed to the
product in accordance with EN Standards.
The name of products certied to conform with relevant standards are represented by applicable unit model motor and
driver part numbers.
Series is a line of units, each consisting of a compact, high-torque brushless motor and a high-functional
Thermal class UL/CSA Standards: 105(A), EN Standards: 120(E)
*
A temperature test has been conducted with a radiation plate. The size, thickness and material of the radiation plates
are as below table.
ModelSize [mm (in.)]Thickness [mm (in.)]Material
BLEM23
BLEM46
BLEM512
Electromagnetic brake type: 135×135 mm (5.31×5.31 in.)
*
Installation conditions
z
Motor is to be used as a component within other
equipment
Overvoltage category:
Pollution degree: 3
Protection against electric shock: ClassⅠequipment
Overvoltage category II when EN 60950-1 is applicable.
*
Low Voltage Directive
z
The product is a type to be incorporated into machinery, so it should be installed within an enclosure.
•Install the product within the enclosure in order to avoid contact with hands.
•Be sure to maintain a Protective Earth in case hands should make contact with the product. Securely ground the
Protective Earth Terminals of the motor and driver.
EN 60034-1
*
EN 60034-5
EN 60664-1
EN 60950-1
UL 508C
CSA C22.2 No.274
EN 60950-1
EN 61800-5-1
115×115 (4.53×4.53)
135×135 (5.31×5.31)
165×165 (6.50×6.50)
*
MotorDriver
Ⅲ
*
ULE335369
Conform to EN Standards
ULE171462
Conform to EN Standards
5 (0.20)Aluminum
Motor is to be used as a component within other
equipment
Overvoltage category:
Pollution degree: 2
Protection against electric shock: ClassⅠequipment
Low Voltage Directive
EMC Directive
Ⅲ
*
−2−
Introduction
EMC Directive
z
This product bears the CE mark under the conditions specied in “Example of motor and driver installation and
wiring” on p.24. Be sure to conduct EMC measures with the product assembled in your equipment by referring to “6.11
Installing and wiring in compliance with EMC Directive” on p.23.
Applicable Standards
Emission Tests
EMI
EMSImmunity TestsEN 61000-6-2, EN 61800-3 C3
Caution: This equipment is not intended for use in residential environments nor for use on a lowvoltage public
UL RECOGNITION OF DRIVER
Drivers are recognized by UL at following condition.
•Maximum Surrounding Air Temperature 50°C.
•Install device in pollution degree 2 environment.
•Solid state motor overload protection reacts at less than 160% FLA.
•Suitable For Use On A Circuit Capable Of Delivering Not More Than 5,000 Arms Symmetrical Amperes, 120 or
240 VAC Maximum Voltage.
•Integral solid state short circuit protection does not provide branch circuit protection. Branch circuit protection
must be provided in accordance with the National Electric Code and any additional local codes.
•Use UL Listed Inverse Time Circuit Breaker rated 120 or 240 VAC, 15 A Only.
•Drives have no provision for motor over temperature protection. Motor over temperature protection is required at
end application.
Harmonics Current Test
Voltage Fluctuations Test
network supplied in residential premises, and it may not provide adequate protection to radio reception
interference in such environments.
EN 55011 group 1 class A
EN 61000-6-4, EN 61800-3 C3
EN 61000-3-2
EN 61000-3-3
RoHS Directive
The products do not contain the substances exceeding the restriction values of RoHS Directive (2011/65/EU).
−3−
Safety precautions
Warning
Caution
Note
Warning
2 Safety precautions
The precautions described below are intended to prevent danger or injury to the user and other personnel through
safe, correct use of the product. Please read and understand these precautions thoroughly before using the product.
Handling the product without observing the instructions that accompany a “Warning”
symbol may result in death or serious bodily injury.
Handling the product without observing the instructions that accompany a “Caution”
symbol may result in bodily injury or property damage.
The items under this heading contain important handling instructions that the user
should observe to ensure the safe use of the product.
•Do not use the product in a place exposed to explosive, ammable or corrosive gases or water splashes or near
combustible materials. Doing so may result in re, electric shock or injury.
•Only qualied personnel should be allowed to perform installation, connection, operation and inspection/
troubleshooting of the product. Handling by unqualied personnel may result in re, electric shock, injury or
equipment damage.
•Do not move, install, connect or inspect the product while the power is supplied. Perform these operations after
turning off the power. Failure to observe these instructions may result in electric shock.
•The terminals on the driver’s front panel marked with
touch these terminals while the power is on to avoid the risk of re or electric shock.
•Do not use a non-electromagnetic brake type motor in a vertical application. If the driver’s protection function is
activated, the motor will stop and the moving part of the equipment will drop, thereby causing injury or equipment
damage.
•Do not use the brake mechanism of the electromagnetic brake motor as a safety brake. It is intended to hold the
moving parts and motor position. Doing so may result in injury or damage to equipment.
•If the driver’s protection function has been activated, remove the cause and then reset the protection function.
Continuing to operate the equipment without removing the cause of problem will lead to a motor or driver
malfunction, resulting in injury or equipment damage.
•Use a specied motor (gearhead) and driver combination. Failure to do so may result in re, electric shock or
equipment damage.
•Use the motor and driver only in class I equipment. Installing them in equipment of other classes may result in
electric shock.
•Install the motor and driver in an enclosure. Failure to do so may result in electric shock or injury.
•When installing the motor and driver, connect their Protective Earth Terminals. Failure to do so may result in
electric shock.
•Securely connect the cables in accordance with the connection examples. Failure to do so may result in re or
electric shock.
•Do not forcibly bend, pull or pinch the cables. Doing so may result in re or electric shock.
•Do not machine or modify the motor cable or connection cable. Doing so may result in electric shock or re.
•Be sure to observe the specied cable sizes. Use of unspecied cable sizes may result in re.
•Observe the specied screw tightening torque when connecting terminals to the terminal block. Failure to do so
may result in electric shock or equipment damage.
•Always keep the driver’s power supply voltage below the rating. Failure to do so may result in re or electric
shock.
•When using the electromagnetic brake motor, do not turn the MB-FREE input ON while a load is held in vertical
direction. Otherwise, the holding power of the motor and electromagnetic brake will be lost, causing personal
injury or damage to equipment.
•When using the electromagnetic brake motor in vertical drive (gravitational operation), be sure to operate after
checking the load condition. If a load in excess of the rated torque is applied or the small torque limiting value is
set using a
•Always turn off the power before performing maintenance/inspection. Failure to do so may result in electric shock.
•Do not touch the motor or driver when measuring insulation resistance or performing a dielectric strength test.
Accidental contact may result in electric shock.
•Do not touch the connection terminals on the driver immediately (within 30 seconds or until the CHARGE LED
turns off) after the power is turned off. Residual voltage may cause electric shock.
•Regularly check the openings in the driver for accumulated dust. Accumulated dust may cause re.
OPX-2A
or
MEXE02
, the load may fall. This may result in injury or damage to equipment.
symbol indicate the presence of high voltage. Do not
−4−
Safety precautions
Caution
•Do not disassemble or modify the motor (gearhead) and driver. Doing so may result in electric shock, injury or
equipment damage. Should you require inspection or repair of internal parts, please contact the Oriental Motor
branch or sales ofce from which you purchased the product.
•Do not use the product in conditions exceeding the motor (gearhead) or driver specications. Doing so may result
in electric shock, re, injury or equipment damage.
•Do not insert an object into the openings in the driver. Doing so may result in re, electric shock or injury.
•Do not touch the motor (gearhead) or driver during the operation or immediately after the operation has stopped.
Touching a hot motor (gearhead) or driver surface may cause a skin burn(s).
•Do not carry the product by the motor (gearhead) output shaft or any of the cables. Doing so may result in injury.
•Do not place around the motor and driver any object blocking the air ow. Doing so may result in equipment
damage.
•Do not touch the motor output shaft (key groove or pinion) with bare hands. Doing so may result in injury.
•When assembling the motor (pinion shaft) with the gearhead, exercise caution not to pinch your ngers or other
parts of your body between the motor and gearhead. Injury may result.
•Securely afx the motor (gearhead) and driver to their respective mounting plates. Inappropriate installation may
cause the motor/driver to detach and fall, resulting in equipment damage.
•Provide a cover on the rotating part (output shaft) of the motor (gearhead). Failure to do so may result in injury.
•When installing the motor (gearhead) in the equipment, exercise caution not to pinch your ngers or other parts of
your body between the equipment and motor or gearhead. Injury may result.
•Securely install the load on the motor output shaft. Inappropriate installation may result in injury.
•For the I/O signals power supply, use a DC power supply with reinforced insulation on its primary and secondary
sides. Failure to do so may result in electric shock.
•Provide an emergency stop device or emergency stop circuit external to the equipment so that the entire equipment
will operate safely in the event of a system failure or malfunction. Failure to do so may result in injury.
•Immediately when trouble has occurred, stop running and turn off the driver power. Failure to do so may result in
re, electric shock or injury.
•Do not touch the rotating part (output shaft) during operation. Doing so may result in injury.
•The motor surface temperature may exceed 70 °C (158 °F) even under normal operating
conditions. If the operator is allowed to approach a running motor, attach a warning label as
shown to the right in a conspicuous position. Failure to do so may result in skin burn(s).
•Use an insulated screwdriver to adjust the internal speed potentiometer, acceleration time potentiometer,
deceleration time potentiometer and switches in the driver. Failure to do so may result in electric shock.
•Dispose the product correctly in accordance with laws and regulations, or instructions of local governments.
Warning label
Warning information
A warning label with handling instructions is attached on the driver.
Be sure to observe the instructions on the label when handling the driver.
−5−
Precautions for use
3 Precautions for use
This chapter explains the restrictions and other items you should take heed of when using the
type.
Connect protective devices to the power line
z
Connect a circuit breaker or earth leakage breaker to the driver’s power line to protect the primary circuit. If an
earth leakage breaker is to be installed, use one incorporating high-frequency noise elimination measures. Refer to
“Preventing leakage current” below for the selection of protective devices.
Use an electromagnetic brake type for an application involving vertical travel
z
When the motor is used in an application involving vertical travel, use an electromagnetic brake type to hold the load
in position.
Do not use a solid-state relay (SSR) to turn on/off the power
z
A circuit that turns on/off the power via a solid-state relay (SSR) may damage the motor and driver.
Conduct the insulation resistance measurement or withstand voltage test separately on the
z
Series standard
BLE
motor and the driver
Conducting the insulation resistance measurement or withstand voltage test with the motor and driver connected may
result in injury or damage to the product.
Grease measures
z
On rare occasions, grease may ooze out from the gearhead. If there is concern over possible environmental damage
resulting from the leakage of grease, check for grease stains during regular inspections. Alternatively, install an oil
pan or other device to prevent leakage from causing further damage. Grease leakage may lead to problems in the
customer’s equipment or products.
Apply grease to the output shaft of a hollow shaft at gearhead
z
If you are using a hollow shaft at gearhead, apply grease (molybdenum disulde grease, etc.) on the surface of the
load shaft and inner walls of the hollow output shaft to prevent seizure.
Preventing leakage current
z
Stray capacitance exists between the driver’s current-carrying line and other current-carrying lines, the earth and the
motor, respectively. A high-frequency current may leak out through such capacitance, having a detrimental effect on
the surrounding equipment. The actual leakage current depends on the driver’s switching frequency, the length of
wiring between the driver and motor, and so on.
When connecting an earth leakage breaker, use one of the following products offering resistance against high
frequency current:
Mitsubishi Electric Corporation: NV series
Noise elimination measures
z
Provide noise elimination measures to prevent a motor or driver malfunction caused by external noise.
For more effective elimination of noise, use a shielded I/O signal cable or attach ferrite cores if a non-shielded cable
is used. Refer to p.23 for the noise elimination measures.
Note on connecting a power supply whose positive terminal is grounded
z
The communication connector (CN3) and I/O signal connector (CN5) are not insulated. When grounding the positive
terminal of the power supply, do not connect any equipment (PC, etc.) whose negative terminal is grounded. Doing so
may cause the driver and PC to short, damaging both.
Use a connection cable (supplied or accessory) when extending the wiring distance between the
z
motor and driver
When using the motor in operation such as vertical drive (gravitational operation) or a large
z
inertial load drive, use an accessory regeneration unit (sold separately).
The driver may be damaged if the regeneration energy generated during vertical drive (gravitational operation) or
sudden starting/stopping of a large inertial load exceeds the allowable limit that can be absorbed by the driver.
The accessory regeneration unit (sold separately) is designed to discharge the regenerated energy, thereby protecting
the driver.
−6−
4 System conguration
Motor
System conguration
An example of system conguration using the
Driver
Connection
Power supply
Make sure power
supply voltage does
not exceed the rated
voltage.
Circuit breaker
or
earth leakage
cable
(supplied or
accessory)
Motor signal
connector
Electromagnetic
brake
connector
breaker
Always connect
a breaker to protect
the primary circuit.
Motor power
connector
Mains filter
Use an AC line filter to
eliminate noise. It effectively
reduces noise generated from
the power source or driver.
Regeneration unit
EPRC-400P (accessory)
Use this regeneration unit
when using the motor in
operation such as vertical
drive (gravitational operation)
or a large inertial load drive.
Series electromagnetic brake type is shown below.
BLE
Data setter OPX-2A
(accessory)
Or
Support software
MEXE02
Or
External control
equipment
Connect I/O signals.
External
potentiometer
(supplied)
Connect this to set the
motor speed externally.
External DC voltage
Connect an appropriate
power supply to set
the motor speed using
DC voltage.
−7−
Preparation
BLE 5 12 A M 5 S - 1
Series name
5 Preparation
This chapter explains the items you should check, as well as the names and functions of each part.
5.1 Checking the product
Verify that the items listed below are included. Report any missing or damaged items to the branch or sales ofce
from which you purchased the product.
Verify the model number of the purchased product against the number shown on the package label.
Check the model number of the motor, gearhead, driver against the number shown on the nameplate.
Model names for motor, gearhead, driver combinations are listed in section “5.3 Combination tables.”
•Motor ........................................................ 1 unit
(with a gearhead, only for combination type)
•Driver ........................................................ 1 unit
This section explains the name and function of each part of the motor and driver.
Motor
Illustration shows the electromagnetic brake type.
Motor
Pilot
Output shaft
Mounting hole
(4 locations)
Motor power connector
Protective
Earth Terminal
Motor cable
Electromagnetic brake connector
Driver
Internal potentiometer (SPEED)
Acceleration time potentiometer
(ACCEL)
Deceleration time potentiometer
(DECEL)
Motor signal connector (CN4)
Electromagnetic brake
connector (CN1)
CHARGE LED
Motor connector (CN2)
∗
Motor signal connector
Mounting hole (at the back)
POWER LED (green)
ALARM LED (red)
FBLⅡcompatible mode setting switch
(SW1-2)
Not used (SW1-1)
External voltage selection switch
(SW2-1, SW2-2)
Communication connector (CN3)
−10−
Regeneration resistor terminal
(RG1, RG2)
Power supply input terminal
Mounting hole (at the back)
I/O signal connector (CN5)
Protective Earth Terminal
Electromagnetic brake type only
*
Preparation
NameExplanationRef.
Internal potentiometerSet the operating speed of the motor.P.39
Acceleration time potentiometer Set the acceleration time when starting the motor.P.41
Deceleration time potentiometer Set the deceleration time when stopping the motor.P.41
POWER LED (green)Lit while the main power is input.−
ALARM LED (red)Blinks when a protective function is triggered.P.48
Motor signal connector [CN4]
Connect the motor signal connector on the motor cable or
connection cable.
P.27
SW1-1: Not used. Keep this switch OFF.−
FBL
compatible mode setting
Ⅱ
switch (SW1)
SW1-2: Set the
ON: The
OFF: The
FBL
compatible mode.
FBL
FBL
Ⅱ
compatible mode is enabled.
Ⅱ
compatible mode is disabled (factory setting).
Ⅱ
P.44
SW2-1: Select whether to use an external power supply or the
driver’s built-in power supply. When controlling the operation
External voltage selection
switch (SW2)
using relays, switches, etc., select the driver’s built-in power
supply.
ON: Driver’s built-in power supply
OFF: External power supply (factory setting)
P.29
SW2-2: When setting the speed via external DC voltage, change
the setting according to the external DC voltage.
ON: 5 VDC (factory setting)
P.39
OFF: 10 VDC
Electromagnetic brake
connector [CN1]
Connect the electromagnetic brake connector on the motor cable
or connection cable.
P.27
Lit while the main power is input. After the main power has been
CHARGE LED (red)
turned off, the LED will turn off once the residual voltage in the
−
driver drops to a safe level.
Motor connector [CN2]
Regeneration resistor terminal
(TB1) [RG1, RG2]
Connect the motor power connector on the motor cable or
connection cable.
Connect the accessory regeneration unit
EPRC-400P
(sold
separately).
P.27
P.28
Connect to the main power supply.
•Single-phase 100-120 V
L, N: Connect a single-phase 100-120 VAC
Power supply input terminal
(TB1) [L, N] [L1, L2, L3]
NC: Not used.
•Single-phase 200-240 V
L, N: Connect a single-phase 200-240 VAC
P.26
NC: Not used.
•Three-phase 200-240 V
L1, L2, L3: Connect a three-phase 200-240 VAC
Communication connector
[CN3]
Connect the
OPX-2A
(accessory) or
MEXE02
.P.34
•Use this connector when using an external power supply for I/O
signals. (24 VDC −15% to +20%)
I/O signal connector [CN5]
•Connect the I/O signals from the programmable controller.
•Connect the thermostat output of the accessory regeneration
EPRC-400P
unit
(sold separately).
P.29
•Connect the external potentiometer (supplied).
Protective Earth Terminal
Mounting holes
(two locations at the back)
Ground this terminal using a grounding wire of AWG18 to 14
(0.75 to 2.0 mm
2
).
These mounting holes are used to install the driver with screws
(M4).
P.26
P.20
−11−
Installation
Rear
6 Installation
This chapter explains the installation location and installation methods of the motor and driver, as well as how to
install a load and external potentiometer. Also covered in this section are the installation and wiring methods that are
in compliance with the relevant EMC Directive.
6.1 Installation location
The motor and driver are designed and manufactured for use as internal components of equipment.
Install the motor and driver in a well-ventilated place where they can be inspected easily and the following conditions
are satised:
•Inside an enclosure installed indoors (provide a
ventilation hole)
•Ambient temperature: 0 to +50 °C
(+32 to +122 °F) (non-freezing)
•Ambient humidity: 85% or less (non-condensing)
•Area not exposed to direct sun
•Area free of excessive amount of dust, iron
particles or the like
•Area free of excessive salt
•Area that is free of explosive atmosphere or toxic gas
(such as sulfuric gas) or liquid
•Area not subject to splashing water (rain, water droplets),
oil (oil droplets) or other liquids
•Area not subject to continuous vibration or excessive
shocks
•Area free of excessive electromagnetic noise (from
welders, power machinery, etc.)
•Area free of radioactive materials, magnetic elds or
vacuum
6.2 Installation overview
This section explains an overview of how to install the motor and driver. Refer to each applicable section for details.
Installing the combination parallel shaft gearhead or round shaft type
Install the hexagonal socket head screw in the four mounting holes you
drilled and tighten the nuts until no gaps remain between the motor and
mounting plate.
The combination type parallel shaft gearheads come with a set of hexagonal
socket head screws. Round shaft types do not come with hexagonal socket
head screws. Hexagonal socket head screws must be provided by the
customer if a round shaft type is used.
Refer to p.13 for the machining dimensions of the mounting plate and how to
install/remove the gearhead.
Hexagonal socket head screw set
(supplied with the combination type parallel shaft gearhead)
Model
BLE23
BLE46
BLE512
The gures in the table apply when the supplied hexagonal socket head screw
*
set is used.
Installing the combination type hollow shaft at gearhead
A combination type hollow shaft at gearhead can be installed by using
either its front or rear side as the mounting surface. Install the supplied
hexagonal socket head screw set in the four mounting holes you drilled and
tighten the nuts until no gaps remain between the motor and mounting plate.
Also, attach the supplied safety cover to the hollow output shaft on the end
opposite from the one where the load shaft is installed.
Refer to p.14 for the installation method and how to install/remove the
gearhead.
Nominal
thread size
M41.8 N·m (15.9 lb-in)5 mm (0.20 in.)
M66.4 N·m (56 lb-in)8 mm (0.31 in.)
M815.5 N·m (137 lb-in)12 mm (0.47 in.)
Tightening torque
Maximum applicable
plate thickness
*
• Combination parallel shaft
gearhead
Hexagonal socket
head screw set
(supplied)
• Round shaft type
Hexagonal socket
head screw
FrontMounting plate
Hollow shaft
flat gearhead
Motor
−12−
Hexagonal socket head screw set (supplied)
Pilot section
Model
BLE23
BLE46
BLE512
The gures in the table apply when the supplied hexagonal socket head screw set is used.
*
Installing the driver
Nominal
thread size
M53.8 N·m (33 lb-in)5 mm (0.20 in.)
M66.4 N·m (56 lb-in)8 mm (0.31 in.)
M815.5 N·m (137 lb-in)12 mm (0.47 in.)
Tightening torque
The driver can be installed in two different ways. Refer to p.20 for the specic installation methods.
•Use screws (M4: not supplied) to afx the driver through the mounting holes (two locations) provided at the back
of the driver.
•Afx the driver on a DIN rail using the accessory DIN-rail mounting plate (sold separately).
Maximum applicable
plate thickness
*
6.3 Installing the combination parallel shaft gearhead
Mounting hole dimensions [unit: mm (in.)].
ModelØAØBCØD
BLE23
BLE46
BLE512
ØB indicates the external dimensions of the product.
Drill holes with a minimum diameter of ØB +1 mm (0.04 in.).
70 (2.76)24 (0.94)10 (0.39)4.5 (0.177)
94 (3.70)34 (1.34)13 (0.51)6.5 (0.256)
104 (4.09)40 (1.57)18 (0.71)8.5 (0.335)
Installation
ØB
C
ØA
4×ØD
Removing/Installing the gearhead
To replace the gearhead or change the cable outlet direction, remove the screws assembling the gearhead. The
gearhead can be removed and the motor cable position changed to a desired 90° direction.
1.
Remove the hexagonal socket head screws (2 pcs.) assembling
the motor and gearhead and detach the motor from the
gearhead.
Hexagonal
socket head
screw
Assembly screws
ModelNominal thread sizeTightening torque
BLE23
BLE46
BLE512
2.
Using the pilot sections of the motor and gearhead as guides,
install the gearhead to the motor and tighten the hexagonal
socket head screws.
At this time, the motor cable position can be changed to a desired 90°
direction.
When installing the gearhead, slowly rotate it clockwise/
counterclockwise to prevent the pinion of the motor output shaft from
contacting the side panel or gear of the gearhead.
Also conrm that no gaps remain between the motor ange surface and
the end face of the gearhead’s pilot section.
Note •Do not forcibly assemble the motor and gearhead. Also, do not let metal objects or other foreign
matter enter the gearhead. The pinion or gear of the motor output shaft may be damaged,
resulting in noise or shorter service life.
•Do not allow dust to attach to the pilot sections of the motor and gearhead. Also, assemble the
motor and gearhead carefully by not pinching the O-ring at the motor’s pilot section. If the O-ring
is crushed or severed, grease may leak from the gearhead.
•The hexagonal socket head screws assembling the motor and gearhead are afxing the motor
and gearhead only temporarily. When installing the gearhead, be sure to use the supplied
hexagonal socket head screws (4 pcs.).
M2.60.4 N·m (3.5 lb-in)
M30.6 N·m (5.3 lb-in)
Change the cable
position to a desired
90° direction.
−13−
Installation
+ 0.030
+ 0.0012
+ 0.030
+ 0.0012
+ 0.035
+ 0.0014
6.4 Installing the round shaft type
Install the motor to a mounting plate of the following size or larger, so that the motor case temperature will not exceed
90 °C (194 °F).
ModelSize of mounting plateThicknessMaterial
BLE23
BLE46
BLE512
Electromagnetic brake type: 135×135 mm (5.31×5.31 in.)
*
Mounting hole dimensions [unit: mm (in.)]
ModelØABØCH7ØD
BLE23
BLE46
BLE512
ØC indicates the pilot diameter on the ange.
Note Fit the boss on the gearhead mounting surface into a pilot receiving hole.
115×115 mm (4.53×4.53 in.)
135×135 mm (5.31×5.31 in.)
165×165 mm (6.50×6.50 in.)
70 (2.76)49.5 (1.949)
94 (3.70)66.47 (2.617)
104 (4.09)73.54 (2.895)
*
5 mm (0.20 in.)Aluminum
54
(2.1260
73
(2.8740
83
(3.2677
0
0
0
0
0
0
)
)
)
4.5 (0.177)
6.5 (0.256)
8.5 (0.335)
B
ØA
ØCH7
B
ØD
6.5 Installing the combination type hollow shaft at gearhead
Using the front side as the mounting surface
When the gearhead is installed by using its front side as the mounting surface, use the boss of the output shaft to align
the center.
Safety cover
Hexagonal socket head screw
• Mounting hole dimension
Flat washer
Spring washer
Hexagonal nut
Mounting plate
Safety cover
mounting screw (M3)
ØA
ØBH8
4×ØC
−14−
Using the rear side as the mounting surface
+ 0.039
+ 0.0015
+ 0.039
+ 0.0015
Safety cover
Hexagonal socket head screw
Safety cover
mounting screw (M3)
Installation
• Mounting hole dimension
ØA
ØD or more
Mounting plate
E
4×ØC
Flat washer
Spring washer
Hexagonal nut
Mounting hole dimensions [Unit: mm (in.)]
ModelØAØBH8ØCØDE
BLE23
BLE46
BLE512
70 (2.76)
94 (3.70)
104 (4.09)
Note When installing the gearhead by using its rear side as the mounting surface, prevent contact
between the mounting plate and motor by keeping dimension E below the specied value.
34
(1.34
38
(1.50
50
(1.97
+ 0.039
0
+ 0.0015
0
0
0
0
0
5.5 (0.22)25 (0.98)29 (1.14)
)
6.5 (0.26)30 (1.18)39 (1.54)
)
8.5 (0.33)35 (1.38)44 (1.73)
)
−15−
Installation
90° direction.
Removing/Installing the gearhead
To replace the gearhead or change the cable outlet direction, remove the screws assembling the gearhead.
The gearhead can be removed and the motor cable position changed to one of three 90° directions.
Note that the motor cable cannot be positioned in the direction where the cable faces the gearhead output shaft.
1.
Remove the hexagonal socket head screws (4 pcs.) attaching the gearhead and motor and detach the
motor from the gearhead.
Hexagonal socket
head screw
2.
Using the pilot sections of the motor and gearhead as guides, install the motor to the gearhead and
tighten the hexagonal socket head screws.
At this time, the motor cable position can be changed to one of three 90° directions.
Install the motor carefully to prevent the pinion of the motor output shaft from contacting the casing or gear of the
gearhead.
Also conrm that no gaps remain between the motor ange surface and the end face of the gearhead’s pilot
section.
Change the cable
position to a desired
Assembly screws
ModelNominal thread sizeTightening torque
BLE23
BLE46
BLE512
Note •Do not forcibly assemble the motor and gearhead. Also, do not let metal objects or other
foreign matters enter the gearhead. The pinion or gear of the motor output shaft may be
damaged, resulting in noise or shorter service life.
•Do not allow dust to attach to the pilot sections of the motor and gearhead. Also, assemble
the motor carefully by not pinching the O-ring at the motor’s pilot section. If the O-ring is
pinched, the coupling strength will drop and grease may leak from the gearhead.
•The motor cable position cannot be changed to the direction where the cable faces the
gearhead output shaft, because the gearhead case will obstruct the cable.
M41.8 N·m (15.9 lb-in)
M66.4 N·m (56 lb-in)
M815.5 N·m (137 lb-in)
−16−
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