MHD112B-048-PP1-BN Bosch Rexroth Indramat
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MPN: R911284596
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The Bosch Rexroth Indramat MHD112B-048-PP1-BN is a servo motor from the MHD Synchronous Motors series and features liquid cooling with a keyed shaft design. It offers a continuous torque at standstill of 28.0 Nm, comes with a holding brake rated at 22.0 Nm, and has IP65 degree of protection. The motor uses a digital servo feedback encoder with absolute position detection above 4096 revolutions and operates within an ambient temperature range of 0 to 40 °C.
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Product Description:
The Bosch Rexroth Indramat MHD112B-048-PP1-BN is a servo motor in the MHD Synchronous Motors series. It converts drive current into controlled rotary motion for positioning axes, gantries, and transfer stations in industrial automation lines. Digital servo feedback with an integrated absolute encoder supplies high-resolution rotor data to the controller for precise velocity and position loops. The feedback system supports smooth motion during acceleration, deceleration, and holding periods. A keyed shaft transmits torque directly to the load, and a factory-fitted holding brake secures the shaft when power is removed.
At standstill, the motor delivers 28.0 Nm of continuous torque, giving machines stable driving force without overheating. Heat generated in the windings is removed by a liquid cooling jacket around the stator, so full duty cycles can be maintained even in confined cabinets. This cooling arrangement helps move thermal load away from the housing during demanding operating cycles. A 192 mm square flange and a 130 mm centering diameter align the housing with precision gearboxes or direct-drive mounts. The housing carries an IP65 enclosure rating that blocks dust and low-pressure water jets, while insulation class F permits winding temperatures up to 155 °C. Winding code 048 identifies the electrical characteristics used by compatible Rexroth drives, and the optical measurement method helps keep the feedback channel immune to magnetic interference.
During power-off conditions, the holding brake supplies 22.0 Nm of static braking torque to help prevent axis drift on vertical loads. The motor tolerates storage temperatures from -20 to +80 °C and operates in ambient temperatures from 0 to 40 °C without output derating. Absolute position detection over more than 4096 revolutions, together with a system accuracy of ±0.5 angular minutes, supports fine indexing tasks. A shaft seal and the cooled housing help maintain enclosure protection at elevations up to 1000 m above mean sea level. Power and feedback connectors exit on side B, which can simplify cable routing inside the machine.
Frequently Asked Questions about MHD112B-048-PP1-BN:
Q: What type of encoder is used on the MHD112B-048-PP1-BN motor?
A: This model uses digital servo feedback with an integrated encoder for position detection.
Q: How is the housing of the MHD112B-048-PP1-BN motor cooled?
A: The MHD112B-048-PP1-BN is equipped with a liquid cooling system for the housing.
Q: What is the holding brake torque capacity on this motor?
A: The holding brake provides a torque of 22.0 Nm, ensuring secure holding at standstill.
Q: What degree of environmental protection does the MHD112B-048-PP1-BN provide?
A: This servo motor is rated at IP65, offering protection against dust and water jets.
Q: What continuous torque does the MHD112B-048-PP1-BN produce at standstill?
A: The continuous torque at standstill for this motor is 28.0 Nm.
