MHD115B-035-PP1-AA Bosch Rexroth Indramat
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MPN: R911315361
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The Bosch Rexroth Indramat MHD115B-035-PP1-AA is a servo motor from the MHD Synchronous Motors series with a continuous torque at standstill of 50 Nm and a holding brake torque of 70 Nm. It features a keyed shaft, digital servo feedback with an integrated encoder, and operates with IP65 degree of protection. The motor is cooled by natural convection, has a flange size of 192 mm, and supports absolute position detection for more than 4096 revolutions.
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Product Description:
The MHD115B-035-PP1-AA is a servo motor produced by Bosch Rexroth Indramat for the MHD Synchronous Motors series. It serves as a closed-loop drive element, converting commanded current from a compatible inverter into regulated rotary motion for packaging machines, handling systems, and metal-cutting spindles. The motor integrates digital servo feedback so that controllers receive absolute position signals across multiple turns, allowing quick startup without manual referencing. This feedback arrangement helps the axis return to controlled motion after power cycling without a separate homing routine.
Mechanically, size code 115 and length code B give the unit a compact profile while delivering a continuous standstill torque of 50.0 Nm to hold or accelerate medium-mass loads. The square mounting flange is 192 mm across, and a built-in holding brake supplies 70.0 Nm of static torque to secure vertical axes at rest. The brake is intended to hold the load when the axis is stopped rather than serve as the primary means of deceleration during normal motion. Protection rating IP65 helps keep dust and low-pressure water jets out of the housing, and heat is removed through natural convection, so no external fan is required. The encoder uses optical digital servo feedback and provides absolute position data for more than 4096 revolutions through a single-cable output connector on side A. Winding code 035 sets the electromechanical characteristics used by matching drive amplifiers.
Installation accuracy is aided by a centering diameter of 180 mm, while the drive interface uses a keyed shaft that resists slip during repetitive cycling. The feedback system supports positional repeatability within ± 0.5 angular minutes, which is suitable for synchronized multi-axis applications. Operation is permitted up to 1000 m above sea level, with ambient temperatures from 0 °C to 40 °C and storage from -20 °C to 80 °C. Class F insulation supports elevated internal winding temperatures, and a shaft seal helps keep lubricant in place while limiting the entry of contaminants.
Frequently Asked Questions about MHD115B-035-PP1-AA:
Q: What is the holding brake torque of the MHD115B-035-PP1-AA motor?
A: This motor is equipped with a holding brake that delivers 70.0 Nm of torque for secure holding during power-off conditions.
Q: What type of shaft configuration does the MHD115B-035-PP1-AA motor have?
A: The MHD115B-035-PP1-AA features a keyed shaft design and includes a shaft seal for additional protection.
Q: What is the continuous standstill torque for the MHD115B-035-PP1-AA?
A: This model offers continuous torque at standstill rated at 50.0 Nm.
Q: What type of encoder and position detection does the MHD115B-035-PP1-AA servo motor use?
A: The encoder provides digital servo feedback with absolute position detection for over 4096 revolutions.
Q: What is the degree of protection for the MHD115B-035-PP1-AA motor housing?
A: This motor has a degree of protection rating of IP65, ensuring resistance against dust and low-pressure water jets.
