Mitsubishi MOTION CONTROLLERS Q172DCPU Instrukcja Użytkownika Strona 125

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4 INSTALLATION AND WIRING
4.3 Mounting of Serial Absolute Synchronous Encoder
This section describes precautions for handling the serial absolute synchronous
encoder (Q170ENC).
(1) If the serial absolute synchronous encoder is linked to a chain, timing belt, or
gears, the machine rotating shaft should be supported by a separate bearing
and connected to Q170ENC through a coupling. Ensure that excessive force
(greater than the permitted shaft load) is not applied to the shaft of Q170ENC.
Table 4.1 Permitted Shaft Loads
Gea
r
Coupling
Radial direction
Thrust direction
Up to 19.6N
Up to 9.8N
Permitted shaft load
Bearing
Q170ENC
Fig. 4.1 Example of Encoder Linked to a Gear
(2) Excessive load is applied to the shaft of Q170ENC by the large mounting errors in
eccentricity and angle of deviation As a result, it might damage the machine or
shorten extremely the life.
Minimize loads applied to the shaft such that they make within the permitted shaft
load range.
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