MHD112B-035-PP0-RN Bosch Rexroth Indramat
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MPN: R911293582
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The Bosch Rexroth Indramat MHD112B-035-PP0-RN is a servo motor from the MHD Synchronous Motors series with a continuous standstill torque of 28.0 Nm and an insulation class of F. It is equipped with digital servo feedback with an integrated encoder, features an IP65 degree of protection, and is cooled by liquid cooling. The keyed shaft design includes a shaft seal, and the motor has a flange size of 192 mm with a centering diameter of 130 mm.
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Product Description:
The MHD112B-035-PP0-RN servo motor is manufactured by Bosch Rexroth Indramat as part of the MHD Synchronous Motors series. It converts controlled electrical power from a drive into regulated rotary motion for numerically controlled machine tools, pick-and-place stations, and other automated axes. The motor’s mechanical interface and its feedback provisions enable precise speed and position loops so a controller can synchronize multiple axes during production tasks.
This model supplies a continuous standstill torque of 28.0 Nm, allowing the axis to hold load without thermal overload while stationary. Accurate mechanical alignment is aided by a centering diameter of 130 mm that matches the corresponding machine flange; the flange itself spans 192 mm to provide a rigid mounting surface. For environmental protection, the housing meets the IP65 rating, so dust ingress and water jets do not reach internal windings, and a shaft seal is included to secure the front bearing area. Position feedback is delivered through digital servo feedback with an integrated optical encoder, and its absolute track resolves more than 4096 revolutions. The resulting system accuracy is specified at ± 0.5 angular minutes, supporting precision contouring. Because the unit is supplied without a holding brake, applications that need static braking must employ external mechanisms. The keyed shaft simplifies power transmission to pulleys or couplings while preserving torsional alignment.
Thermal management is handled by liquid cooling, so the stator can dissipate losses efficiently throughout demanding duty cycles. Storage tolerates temperature swings from -20 to +80 °C, while normal service is permitted between 0 to 40 °C. The motor may be installed up to 1000 m above MSL without derating. Size 112 laminations and the B-length stack correspond to the 035 winding code, balancing voltage constant and current demand for industrial drives. Power enters from the right side through a molded power connector, and Class F insulation works with the shaft seal to maintain dielectric integrity under continuous duty.
Frequently Asked Questions about MHD112B-035-PP0-RN:
Q: What cooling method is used in the MHD112B-035-PP0-RN motor?
A: The MHD112B-035-PP0-RN uses a liquid cooling system for effective temperature management during operation.
Q: How much continuous torque can the MHD112B-035-PP0-RN deliver at standstill?
A: This model provides a continuous torque of 28.0 Nm at standstill.
Q: What is the encoder type and measurement method on the MHD112B-035-PP0-RN motor?
A: The encoder type featured is a digital servo feedback with integrated encoder, using optical measurement for precise positioning.
Q: What type of shaft and seal does the MHD112B-035-PP0-RN motor include?
A: The shaft design is keyed and includes a shaft seal to help prevent ingress of contaminants.
Q: What level of environmental protection does the MHD112B-035-PP0-RN offer?
A: This motor has an IP65 protection rating, ensuring it is dust tight and protected against water jets.
