MHD112A-035-NG1-AN Bosch Rexroth Indramat
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MPN: R911316483
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The Bosch Rexroth Indramat MHD112A-035-NG1-AN is a servo motor in the MHD Synchronous Motors series with a continuous torque at standstill of 15.0 Nm and uses liquid cooling. It features a plain shaft with shaft seal, a digital servo feedback encoder, and includes a holding brake with 22.0 Nm of torque. The motor has a centering diameter of 130 mm and a flange size of 192 mm.
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Product Description:
The MHD112A-035-NG1-AN is a servo motor manufactured by Bosch Rexroth Indramat in the MHD Synchronous Motors series. Designed for closed-loop drive systems, it provides commanded rotary motion to automated machine axes with accurate speed and position control. Its digital feedback interface works with Rexroth controllers, and the integrated holding brake helps keep a load in place when supply power is removed. This makes the motor suitable for transfer axes, feed units, and other motion tasks that require repeatable movement and stable holding at standstill.
The motor uses a centering spigot of 130 mm, so the mating machine flange must match that register to keep the assembly concentric. A square flange of 192 mm provides the mounting face for rigid attachment to the driven structure. Under continuous stall, the motor delivers 15.0 Nm of torque for steady low-speed operation and holding duties under drive control. During power loss, the brake provides 22.0 Nm of holding torque to help prevent drift on vertical axes. Heat is removed by liquid cooling, which transfers thermal energy through coolant passages instead of relying on surrounding air. Rotor position is reported through digital servo feedback (HSF), supporting precise speed regulation and accurate axis positioning.
The motor uses size code 112 and winding code 035, which correspond to the electrical characteristics expected by the matching drive. A plain shaft supports direct coupling to gearboxes or pulleys, and the shaft seal helps protect the bearing area from dust and fluid ingress. Power conductors exit through a connector on side A, which can simplify cable routing when the motor is installed close to guards, frames, or other nearby components. The A-length housing keeps the overall depth short, and the relative position detection system supports reference moves without requiring battery-backed position storage.
Frequently Asked Questions about MHD112A-035-NG1-AN:
Q: What is the continuous torque at standstill for the MHD112A-035-NG1-AN servo motor?
A: The MHD112A-035-NG1-AN provides a continuous standstill torque output of 15.0 Nm for demanding applications.
Q: Does the MHD112A-035-NG1-AN include a holding brake and what is its torque?
A: This model comes equipped with a holding brake that delivers a braking torque of 22.0 Nm.
Q: What type of encoder and position detection does the MHD112A-035-NG1-AN use?
A: Position detection on the MHD112A-035-NG1-AN utilizes digital servo feedback (HSF) and operates with relative position data.
Q: How is the MHD112A-035-NG1-AN servo motor cooled?
A: Liquid cooling is used for the housing, allowing the motor to handle higher thermal loads efficiently.
Q: What is the power connection direction and type on the MHD112A-035-NG1-AN?
A: The power connection is configured to exit to side A of the motor via an output connector for easy integration.
