MHD112B-048-NG1-BN Bosch Rexroth Indramat
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MPN: R911287043
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The Bosch Rexroth Indramat MHD112B-048-NG1-BN is a servo motor from the MHD Synchronous Motors series featuring a plain shaft and a centering diameter of 130 mm. It comes with digital servo feedback for position detection, has a continuous torque at standstill of 28.0 Nm, and includes a holding brake with a torque of 22.0 Nm. The motor is designed with IP65 protection and liquid cooling for use in environments with an ambient temperature range of 0 to 40 °C.
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Product Description:
The Bosch Rexroth Indramat MHD112B-048-NG1-BN belongs to the MHD Synchronous Motors series and functions as a servo motor for closed-loop axis control in automated machinery. Within a drive package, it converts commanded current into shaft torque and speed, giving precise positioning for tooling, transfer, and packaging stations while maintaining compatibility with Indramat feedback systems. This makes the motor suitable for applications that require repeatable motion, controlled acceleration, and stable operation across changing load conditions.
The motor supplies a continuous stall torque of 28.0 Nm, allowing static load support without overheating when the rotor is locked. Thermal energy is removed through liquid cooling, so the frame can remain within its insulation limits during prolonged duty. The housing has a protection rating of IP65, which helps protect internal components from dust and water jets common in industrial environments. Rotor position is reported by digital servo feedback (HSF), an optical sensing system that provides high-resolution incremental signals for velocity feedback and commutation. Accurate mechanical centering is supported by a 130 mm pilot diameter on the 192 mm flange, which helps maintain coaxial alignment with gearboxes or belt pulleys. The motor also uses a plain shaft interface, winding code 048, and an output connector on side B for power connections.
A holding brake rated at 22.0 Nm secures vertical or unbalanced loads when the drive is disabled. Combined electrical and encoder tolerances provide a system accuracy of ± 0.5 angular minutes, supporting repeatable motion on indexing tables and gantry axes. The motor operates at ambient temperatures from 0 to 40 °C and can be stored from -20 °C to +80 °C, with a maximum mounting elevation of 1000 m above sea level without derating. The windings use insulation class F, and a shaft seal helps prevent lubricant leakage while protecting the feedback cavity from splash water.
Frequently Asked Questions about MHD112B-048-NG1-BN:
Q: What is the continuous torque at standstill for the MHD112B-048-NG1-BN motor?
A: The MHD112B-048-NG1-BN motor offers a continuous torque of 28.0 Nm at standstill.
Q: What type of encoder and measurement method does the MHD112B-048-NG1-BN motor use?
A: This motor uses digital servo feedback (HSF) with optical measurement for position detection.
Q: What is the shaft configuration on the MHD112B-048-NG1-BN servo motor?
A: The MHD112B-048-NG1-BN model features a plain shaft and is equipped with a shaft seal.
Q: What type of housing cooling does the MHD112B-048-NG1-BN motor utilize?
A: Liquid cooling is used to manage the housing temperature of this model.
Q: What is the holding brake torque for the MHD112B-048-NG1-BN?
A: The holding brake on this motor provides a torque of 22.0 Nm.
