MHD112D-027-NG0-RN Bosch Rexroth Indramat
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MPN: R911290382
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The Bosch Rexroth Indramat MHD112D-027-NG0-RN is a servo motor from the MHD Synchronous Motors series featuring liquid cooling and a degree of protection rated at IP65. It delivers 48.0 Nm of continuous torque at standstill and uses a digital servo feedback encoder with optical measurement for position detection. The motor has a flange size of 192 mm and features a plain shaft with a shaft seal.
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Product Description:
The MHD112D-027-NG0-RN is a brushless AC servo motor manufactured by Bosch Rexroth Indramat for the MHD Synchronous Motors series. It converts electrical energy into precise rotational torque for positioning axes, gantries, and similar motion tasks that require repeatable velocity and rapid command response. Its brushless design supports smooth servo operation in automated equipment where controlled acceleration and accurate positioning are important.
The motor sustains a stall torque of 48.0 Nm, enabling heavy loads to remain in position without additional gearing. A centering diameter of 130 mm mates the housing to machined mounting faces, and the 192 mm square flange provides standard bolt spacing for common automation frames. The motor is rated IP65, which helps keep dust and water jets away from the internal windings and the shaft area. Heat is removed through liquid cooling, allowing full-load operation without external airflow, and the housing includes coolant passages that help keep winding temperature within the limits of the insulation system. Mechanical features include a plain shaft with an integral shaft seal, optical rotor position measurement, and a digital HSF encoder that sends high-speed feedback to the drive controller. Motor size 112 with length D indicates the active core dimensions, and winding code 027 matches the stator characteristics to compatible drive modules.
The unit is supplied without a holding brake, so any static load retention must be provided by the machine mechanics or by drive torque. The windings use Insulation Class F, and system resolution reaches ± 0.5 angular minutes through relative optical detection. Continuous operation is permitted at ambient temperatures from 0 to 40 °C, while storage is allowed from -20 °C to 80 °C. Operation is permitted up to 1000 m above sea level, and the power connector is oriented to the right to simplify cable routing. Digital servo feedback and the integral shaft seal help maintain stable motion control during vibration and thermal cycling.
Frequently Asked Questions about MHD112D-027-NG0-RN:
Q: What is the continuous torque at standstill for the MHD112D-027-NG0-RN motor?
A: The MHD112D-027-NG0-RN provides continuous torque of 48.0 Nm at standstill.
Q: What cooling method is used in the MHD112D-027-NG0-RN motor housing?
A: This model uses liquid cooling to help maintain optimal operating temperatures.
Q: What shaft type does the MHD112D-027-NG0-RN motor use?
A: The MHD112D-027-NG0-RN features a plain shaft with a shaft seal.
Q: What type of encoder is included in the MHD112D-027-NG0-RN servo motor?
A: It utilizes digital servo feedback (HSF) for encoder functionality.
Q: What is the degree of protection rating for the MHD112D-027-NG0-RN motor?
A: This motor has an IP65 degree of protection, offering resistance to dust and water jets.
