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Virtual trade show | Automation

Increase your quality and productivity

Increase the performance of your robotics and automation solutions. With an extensive portfolio of dual and secondary encoders, the HEIDENHAIN CORPORATE GROUP enables high-precision motion and improved accuracy at the tool center point of industrial robots and cobots.

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Innovative: two rotary encoders in one

The KCI 120 Dplus dual encoder from HEIDENHAIN provides motor feedback and position measurement in a single device. By measuring the position downstream from the gearbox, the KCI 120 Dplus compensates for design-related errors in dynamic, highly maneuverable robots. Articulated robots with a serial architecture, for example, may contain up to six axes, each of which affects final accuracy.

  • Each axis is driven by a servomotor through a gear system that is susceptible to zero-position error, reversal error, and joint elasticity
  • Applied forces and dynamic effects from the machining task may further limit positioning accuracy

KCI 120 Dplus: three sizes for perfect integration

In order for the two-fold functionality of the KCI 120 Dplus to be used in as many applications as possible, three versions of the dual encoder are now available. The central scanning unit and two separate disk/hub assemblies are thus suited for various hollow-shaft diameters and installation dimensions. That way the KCI 120 Dplus from HEIDENHAIN, which can be integrated very easily, always offers the same functionality no matter how compact its dimensions are.

The purely serial EnDat 2.2 interface with functional safety can also be used in safety-critical applications such as human-robot collaboration.

KCI 120 Dplus product information for aluminum hollow shafts KCI 120 Dplus product information for compact steel hollow shafts Meet with us to learn about the KCI 120 Dplus for large steel hollow shafts

More accuracy and reliability for cobots:
secondary encoders for collision monitoring

Improve the accuracy of your robots and enable collision monitoring in cobots by using two position feedback encoders: a motor encoder on the motor output shaft and a secondary encoder on the gearbox output shaft. In this video, a cobot demo unit successfully performs a force measurement of 100 Nm without torque sensors. This is the critical force to be monitored when a cobot collides with the human body.

Secondary encoders for high-accuracy position measurement

Robot makers can significantly improve the absolute position accuracy of their designs by adding a high-accuracy angle encoder to each robot axis. Mounted downstream from motor's gear system, these secondary encoders measure the actual position of each robot joint.

Ideal for this application are modular angle encoders such as the WMRA angle measuring system from AMO. Thanks to its modular design, consisting of a scale drum or measuring ring and a separate scanning unit, it can handle large shaft diameters and challenging installation scenarios. The measuing ring of the WMRA from AMO is selectable in any diameter.

Learn more about the WMRA from AMO
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