Absolute encoders feature hollow shafts and integral bearings

Heidenhain is introducing the RCN 2000 and RCN 8000 series absolute angle encoders that benefit from new scanning technology, evaluation electronics and mechanical design. Developed from the previous RCN 200 and RCN 700/800 series, the new encoders are said to represent a significant improvement. In addition, Heidenhain is introducing the RCN 5000 with a hollow shaft diameter of 35mm. As with the previous units, all of these new encoders benefit from integral bearings and hollow shafts, and are expected to be used for angular measurement where accuracy in the order of of a few angular seconds is required - such as on rotary tables and tilting axes on machine tools.

The new scanning method achieves a very high signal quality and, at the same time, even greater resistance to contamination. Thanks to the new scanning and evaluation electronics, it became possible to reduce dramatically the influence of the rotational speed on the generation of position values. This ensures that, even at high speeds, the scanning signals have high signal quality and continue to interpolate well.

Heidenhain's new design of stator coupling features even better behaviour than the previous series in terms of axial and radial deflection and torsional stiffness. Together with the new sealing design of the encoders, relatively large mounting tolerances are now permissible without restricting operating functions and accuracy.

A quick-disconnect plug-in cable enables the encoders to be connected without any need for tools, which is particularly beneficial in applications where space is restricted.

An EnDat interface makes extensive monitoring and diagnosis of the encoders possible without additional lines. Continuous data on the encoder's condition (functional reserve) is provided, which ensures high availability.

The stator mounting dimensions for the RCN 5000 series are compatible with those of the RCN 2000 series, but the difference is a lower overall height. However, with a hollow shaft diameter of 35mm, the RCN 5000 has a cross-sectional area three times as large as that of the RCN 2000, which provides more space for stiffer shafts or hydraulic lines.

Follow the link for more information about Heidenhain's angle encoders with integral bearings.

Heidenhain (GB) Ltd

200 London Road
BURGESS HILL
RH15 9RD
UNITED KINGDOM

+44 (0)1444 247711

sales@heidenhain.co.uk

www.heidenhain.co.uk

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