Product Description:

The MKD112B-058-GP1-AN is a servo motor built by Bosch Rexroth Indramat within the MKD Synchronous Motors series. It is intended for closed-loop motion control where fast acceleration and repeatable moves are required in industrial automation. This type of motor is commonly used on positioning axes, feed drives, and handling equipment where stable torque response and accurate velocity regulation are needed throughout repeated cycles. The unit integrates an electromagnetic brake and resolver feedback, so it can hold position when power is removed and provide rotor position data to the drive during operation.

It delivers a continuous standstill torque of 28.0 Nm, so the shaft can maintain this load at zero speed without exceeding thermal limits. The square mounting flange measures 192 mm, and the pilot has a centering diameter of 130 mm to keep the housing aligned with the mating surface. That arrangement helps reduce runout at the coupling interface and supports smoother operation when the motor is bolted to a machine plate or gearbox. Rotor position is reported by resolver feedback, which provides analog sine-cosine signals for commutation and speed feedback. Motor size 112 and length code B give the housing its stack height and active length, while power and feedback conductors leave through an output connector that keeps the wiring path compact and organized.

The integrated brake supplies 22 Nm of static holding torque, which helps keep the axis fixed during power loss or controlled stops. Mechanical power is transmitted through a shaft with a keyway, and the leads are routed on side A to simplify cable routing in compact installations. A shaft seal is fitted to help limit the entry of dust and splash at the drive end. The winding uses code 058 in a 6-pole stator, matching the electrical characteristics expected by the drive. Position detection is relative rather than absolute, so a homing sequence is required after each power cycle before closed-loop operation begins.