Encoder disk bushing for Demag AC80-1

The encoder disk bushing, part number 420 376 12, serves as a mounting component for the encoder disk assembly in Demag AC80-1 cranes. This bushing provides the necessary interface to allow the encoder disk to rotate with the shaft while maintaining alignment and minimizing play. By ensuring the disk remains centered and stable, the bushing allows the rotary encoder sensor to accurately convert angular movement into digital signals for the crane control system.

This component is specifically engineered for the Demag AC80-1 model. It is integrated into systems where precise monitoring of rotational speed or angular position is required, such as turret slewing mechanisms or boom extension assemblies. Proper installation of this bushing is necessary to maintain the calibration of the sensor feedback loop, which the crane uses to track component positioning during operation.

In heavy machinery, encoder disk bushings act as the mechanical link between the rotating shaft and the sensing element. They provide a stable axis of rotation, which prevents the encoder disk from wobbling or misaligning. Accurate sensor readings are essential for the electronic control units to manage the movement and safety parameters of the crane effectively.