Heidenhain Corp. has introduces its expanded series of ERA 4000 angle encoders. Suitable for use on a wide range of rotary motion systems, spindles, and other motors, the ERA 4×80 version is mounted using a centering collar method. This low profile encoder system does not require centering methods as the precision machined centering collar mates with the precision machined shaft of the motion system. With 7 standardized diameters, system accuracies are offered with the 20 √Ç¬µm grating period version from √Ç¬±6.1 arc sec with the smallest diameter to √Ç¬±2.8 arc sec on the largest diameter.
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