Two new compact incremental rotary encoders for servo motors come from Heidenhain. They have flange securing for the shaft and a hollow open shaft at one end, and provide high orders of speed stability and positioning accuracy.
The ERN 1000 and ERN 1100 have a maximum speed range of 9000revs/min. The 1000 series has been developed for small machines and automatic handling devices which require on-motor mounting, and have a natural frequency of 950Hz. The 1100 seires is designed for integral mounting within the motor, and to have a natural frequency of 1500Hz.
Heidenhain Tel: 01444 247711