MHD112B-035-PG1-BN Bosch Rexroth Indramat
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MPN: R911291655
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The Bosch Rexroth Indramat MHD112B-035-PG1-BN is a servo motor in the MHD Synchronous Motors series with a continuous torque at standstill of 28 Nm and a holding brake torque of 22 Nm. It features an IP65 degree of protection, insulation class F, and uses liquid cooling for the housing. The motor includes a digital servo feedback encoder with absolute position detection, supports a flange size of 192 mm, and has a plain shaft design with a shaft seal.
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Product Description:
The MHD112B-035-PG1-BN is a servo motor manufactured by Bosch Rexroth Indramat for the MHD Synchronous Motors series. It converts regulated electrical energy into precise rotary motion for positioning tables, gantries, and automated tooling cells in industrial automation. Permanent-magnet excitation and electronic commutation help the motor respond quickly to command changes, which makes it suitable for closed-loop drive systems that require synchronized motion. It is commonly used on axes that need steady torque delivery during repeated starts, stops, and controlled speed changes.
The motor has a size 112 stator frame and length code B, which keeps the package compact for its torque class. Its flange is 192 mm square, and the centering diameter is 130 mm, providing standard mounting geometry for accurate alignment on the machine face. A plain shaft with a shaft seal helps block lubricant escape, and the IP65 enclosure helps keep contaminants away from the internal windings. Heat is removed by liquid cooling, allowing the motor to sustain 28.0 Nm of standstill torque. The winding system uses code 035 and connects on side B through an output connector that supports straightforward cable routing. The approved ambient operating range is 0 to 40 °C, storage is permitted from -20 to +80 °C, and installation is allowed up to 1000 m above mean sea level.
Dynamic position control uses a digital servo feedback encoder with optical reading. Its absolute scale resolves more than >4096 revolutions and supports a system accuracy of ± 0.5 angular minutes, which helps the drive maintain precise position information over long travel sequences. A factory-installed holding brake provides 22.0 Nm of holding torque so vertical or suspended loads can remain stationary when power is removed. The windings use insulation rated to Class F, supporting reliable thermal performance during repeated motion cycles.
Frequently Asked Questions about MHD112B-035-PG1-BN:
Q: What shaft design does the MHD112B-035-PG1-BN motor offer?
A: The MHD112B-035-PG1-BN motor features a plain shaft with a seal for added protection against contaminants.
Q: What type of encoder does the MHD112B-035-PG1-BN motor utilize?
A: This motor uses digital servo feedback with an integrated encoder for position detection.
Q: How is the MHD112B-035-PG1-BN motor cooled?
A: The MHD112B-035-PG1-BN supports liquid cooling to maintain optimal operating temperatures.
Q: Is a holding brake included with the MHD112B-035-PG1-BN, and what is its torque?
A: A holding brake is included on this motor, providing 22.0 Nm of holding torque.
Q: What is the operating ambient temperature range for the MHD112B-035-PG1-BN motor?
A: This model is rated to operate in ambient temperatures ranging from 0 to 40 °C.
