Rotary encoders: Hollow shaft encoders display superior performance

Sick Stegmann introduced the VFS 60 Motor Feedback Systems, which are hollow shaft encoders that mount to asynchronous motors and deliver from 1 to 10,000 ppr (pulses per revolution) in an industry-standard 60 mm housing.

10/25/2007


Sick Stegmann introduced the VFS 60 Motor Feedback Systems, which are hollow shaft encoders that mount to asynchronous motors and deliver from 1 to 10,000 ppr (pulses per revolution) in an industry-standard 60 mm housing. The encoders use the company’s proprietary “F” technology, featuring a unique nickel code disc to provide more robust operation and tolerance to temperatures as high as 100
The company says that spacing the ball bearings supporting the encoder shaft 30 mm apart improves concentricity (mounting to asynchronous motors. Hollow shaft clamping also provides easy mounting while minimizing run out problems with collets. A radial/axial cable outlet reduces installation depth by up to 28%, and allows a single encoder type to be used for various applications.
Edited by C.G. Masi , senior editor





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