Rotary encoder - ExN 100 series
Rotary encoder - ExN 100 series -  DR. JOHANNES HEIDENHAIN GMBH

Description

In rotary encoders with integral bearing and stator coupling, the graduated disk of the encoder is connected directly to the shaft to be measured. The scanning unit is guided on the shaft via ball bearings, supported by the stator coupling. During angular acceleration of the shaft, the stator coupling must absorb only that torque resulting from friction in the bearing, thereby minimizing both static and dynamic measuring error. Moreover, the coupling mounted on the stator compensates axial motion of the measured shaft. Other benefits of the stator coupling are: Simple mounting Short overall length High natural frequency of coupling Hollow-through shaft possible HEIDENHAIN ERN, ECN and EQN rotary encoders with integral bearing and mounted stator coupling are characterized by simple mounting and short overall length.

Measurement - Equipment & Instruments
rotary encoder -  integral bearing -  HEIDENHAIN - 

Product features

Dr.-Johannes-Heidenhain-Str. 5, 83301 Traunreut
Germany
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