MHD115C-035-PG1-BA Bosch Rexroth Indramat
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MPN: R911296332
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The Bosch Rexroth Indramat MHD115C-035-PG1-BA is a servo motor from the MHD Synchronous Motors series with a continuous torque at standstill of 70.0 Nm and a holding brake. It features a 192 mm flange size, a 180 mm centering diameter, and uses digital servo feedback with an integrated encoder. The motor has natural convection housing cooling and an absolute position detection over 4096 revolutions.
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Product Description:
The MHD115C-035-PG1-BA is a servo motor built by Bosch Rexroth Indramat within the MHD Synchronous Motors series. The unit converts commanded drive current into tightly controlled rotary motion for indexing tables, gantries, and other closed-loop axes. It pairs with Indramat digital drives, and its integrated feedback electronics make it suitable for medium-to-high inertia loads that demand synchronized positioning. This arrangement supports repeatable motion where the load changes quickly between acceleration, holding, and positioning phases.
A centering recess of 180 mm keeps the stator concentric to the machine frame, while the square flange measures 192 mm across and accepts ISO screws. During continuous standstill, the rotor can deliver 70.0 Nm of torque without exceeding winding temperature limits, which supports clamping or forming loads when no motion is requested. Thermal energy exits the housing by natural convection, so an external fan is not required when ambient airflow is available. Position and velocity signals are generated by a digital servo feedback encoder installed behind the shaft, and the encoder communicates absolute position data to the drive for closed-loop control immediately after power-up.
A permanent-magnet holding brake supplies 70.0 Nm of static torque, letting the axis remain locked during emergency stops or power loss. Mains power enters through a connector on side B, which helps keep cabling clear of adjacent actuators. Multi-turn measurement with absolute (>4096 revolutions) resolution eliminates homing cycles and supports coordinated motion profiles, while a shaft seal is fitted at the output end to limit contamination ingress. The motor also uses winding code 035, length designation C, and a plain shaft geometry.
