R911318915 (MHD112B-024-NG2-AN)

Name: R911318915 (MHD112B-024-NG2-AN)
Brand: Indramat Motors
SKU: MHD112B-024-NG2-AN
Price: 804.00 USD
Availability: InStock

MHD Synchronous Motors

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Email:
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The MPN R911318915 (MHD112B-024-NG2-AN) is a servo motor from the Bosch Rexroth MHD series, featuring digital servo feedback (HSF) for position detection and liquid-cooled housing. It operates with a nominal speed of 3,500 rpm and peak speed of 4,000 rpm, utilizing 4 pole pairs and providing a rotor inertia of 192.0 x 10⁻⁴ kg·m². The motor achieves a continuous standstill torque of 28.0 Nm and a peak torque of 102.0 Nm, with a peak current rating of 98.5 A. It is equipped with a 32.0 Nm holding brake, has a plain shaft with shaft seal, and supports direct overhung mounting of pinions or pulleys. Dimensions include a flange size of 192 mm, centering diameter of 130 mm, and a motor length variant B. The motor has a protection rating of IP65, a motor size of 112, winding code 024, and its bearings are rated for a service life of 30,000 hours.

Technical Specifications

Maintenance
Maintenance-free

Operational Reliability
High

Overload Capacity
High

Nominal Speed
3500 RPM

Maximum Speed
4000 RPM

Pole Pairs
4

Rotor Moment of Inertia
192.0 x 10-4 kgm2

Peak Current
98.5A

Maximum Theoretical Torque
102.0Nm

Encoder System
Digital servo feedback

Optical Measurement
Yes

System Accuracy
±0.5 angular minutes

Motor Revolution Detection
Within 4096 revolutions

Protection Rating
IP 65 according to EN 60529

Bearing Lubrication
Lifelong

Bearing Radial Load
High

Nominal Lifetime
30000 hours.

Frequently Asked Questions

What is the significance of the relative position detection system in servo motor alignment?

Relative detection simplifies initial calibration by referencing encoder feedback without absolute position data. It reduces setup time but requires homing routines during startup for repeatable accuracy.

Why is the holding brake torque of 32 Nm important for automated positioning systems?

It prevents load movement when the drive is powered down or idle, ensuring positional integrity. This feature is critical for vertical or suspended-axis applications in robotics and conveyors.

What considerations are important when pairing this motor with a servo drive?

Electrical and encoder interface compatibility must match the drive specifications for stable control. Proper parameter tuning ensures synchronized torque delivery and accurate motion profiles.

How does winding code 024 influence electrical performance in the MHD112B-024-NG2-AN?

It defines the motor’s voltage and current characteristics to match specific drive configurations. Selecting the correct winding code ensures optimal torque-speed balance and drive compatibility.

How does liquid cooling compare to forced air cooling in industrial servo motors?

Liquid cooling offers superior thermal efficiency and quieter operation in confined enclosures. It allows for higher continuous power density without increasing motor size.

Common Misspellings

MHD112B024NG2AN

MHD112B 024 NG2 AN

mhd112b-024-ng2-an

Internal Product Review

The Bosch Rexroth Indramat MHD112B-024-NG2-AN is a synchronous servo motor. It delivers 28 Nm continuous torque and 32 Nm holding torque and ensures smooth and accurate positioning with digital HSF feedback system. It is widely used precise motion control solution in robotics, packaging, and CNC machinery.