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5 Installation
5.3 Installing a load
When connecting a load to the motor, align the centers of the motor's output shaft and load shaft.
Also, keep the overhang load and thrust load to the permissible values or below.
• Using a coupling
Align the centers of the motor's output shaft and load shaft in a straight line.
• Using a belt drive
Align the motor's output shaft and load shaft in parallel with each other, and position both pulleys so that the
line connecting their centers is at a right angle to the shafts.
• Using a gear drive
Align the motor's output shaft and gear shaft in parallel with each other, and let the gears mesh at the center
of the tooth widths.
• Connecting with a key (Geared motor)
With a geared motor, to connect a load to the gear output shaft having a key groove, first provide a key
groove on the load and fix the load with the gear output shaft using the supplied key.
Note
• Installing on the flange surface (Harmonic geared type)
With a harmonic geared type, a load can be installed directly to the gear using the load mounting holes
provided on the flange surface.
PK513P -H S
PK543 W-H S
PK564 W-H S
Note
－14－
•
When coupling the load to the motor, pay attention to the centering of the shafts, belt
tension, parallelism of the pulleys, and so on. Securely tighten the coupling and pulley
set screws.
•
Be careful not to damage the output shaft or bearings when installing a coupling or
pulley to the motor's output shaft.
•
Do not modify or machine the motor's output shaft. Doing so may damage the bearings
and destroy the motor.
When inserting a parallel key into the gear output shaft, do not apply excessive force by
•
using a hammer or similar tool. Application of strong impact may damage the output
shaft or bearings.
Flange
Metal plate
Motor model
Bolt size
M2
M3
M4
•
When installing a load on the flange surface, the load cannot be affixed using the key
groove (or flat surface) in the output shaft.
•
Design an appropriate installation layout so that the load will not contact the metal plate
or bolts used for installing the motor.
Load
Bolts
Tightening torque
Number of bolts
[N·m (oz-in)]
3
0.35 (49)
6
1.4 (198)
6
2.5 (350)
Load mounting holes
Effective depth
of thread [mm (in.)]
3 (0.12)
5 (0.2)
6 (0.24)
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