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14. SERVO MOTOR
14.2.5 Servo motor shaft shapes
In addition to the straight shaft, the keyway shaft and D cut shaft are available as the servo motor shafts.
The keyway shaft and D cut shaft cannot be used in frequent start/stop applications. Since we cannot warrant
the servo motor against fracture and similar accidents attributable to a loose key, use a friction coupling, etc.
when coupling the shaft with a machine.
The shaft shape of the standard servo motor changes depending on the series and capacity. Refer to section
14.6.4 and 14.7.4.
Shaft section view
Shaft section view
Keyway shaft (with key) Keyway shaft (without key)
Shaft section view
Shaft section view
D cut shaft Straight shaft
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