MHD115B-035-PG1-BA Bosch Rexroth Indramat
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MPN: R911296701
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The Bosch Rexroth Indramat MHD115B-035-PG1-BA is a servo motor from the MHD Synchronous Motors series with a plain shaft design, flange size of 192 mm, and a centering diameter of 180 mm. It features a digital servo feedback encoder with absolute position detection for over 4096 revolutions, and delivers 50.0 Nm of continuous torque at standstill with IP65 protection. The motor includes a holding brake rated at 70.0 Nm torque, operates using natural convection cooling, and uses insulation class F.
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Product Description:
Bosch Rexroth Indramat manufactures the MHD115B-035-PG1-BA as part of the MHD Synchronous Motors series. This servo motor delivers precise rotational motion for positioning, feeding, and contouring tasks in industrial automation. It has motor size 115 with B length code and uses a plain shaft for direct coupling. Electrical power reaches the stator through an output connector on side B, and an integrated digital servo feedback encoder supplies position data to the drive controller. It is suited for axes that must start, stop, and reverse direction with controlled response under varying loads.
The motor can apply a continuous standstill torque of 50.0 Nm, and a spring-applied brake can hold up to 70.0 Nm when power is removed. The brake supports secure load holding during stops or emergency power loss. Its mechanical interface includes a 192 mm square flange and a 180 mm centering pilot for rigid attachment to machine frames. The housing is rated IP65, which helps keep out dust and low-pressure water jets, and a shaft seal reduces leakage along the output shaft. Heat is removed by natural convection, so no external blower or liquid circuit is needed. Class F insulation allows the windings to tolerate elevated internal temperatures, and winding code 035 indicates electrical values matched to standard Indramat drives.
The motor operates without derating in ambient temperatures from 0 to 40 °C and can be stored from -20 to +80 °C. Installation is permitted up to 1000 m above mean sea level, and the encoder achieves a system accuracy of ± 0.5 angular minutes. The feedback system provides absolute position detection over more than 4096 revolutions, so homing after power cycling is unnecessary. Optical scanning inside the encoder works with the digital feedback interface to keep position data consistent during long duty cycles. The stated operating and storage ranges suit enclosed machinery that stays within controlled industrial conditions.
Frequently Asked Questions about MHD115B-035-PG1-BA:
Q: What is the continuous torque at standstill for the MHD115B-035-PG1-BA motor?
A: The MHD115B-035-PG1-BA motor delivers a continuous torque of 50.0 Nm while stationary.
Q: What type of position detection does the MHD115B-035-PG1-BA offer?
A: This motor provides absolute position detection over more than 4096 revolutions.
Q: Does the MHD115B-035-PG1-BA have a holding brake and what is its brake torque?
A: The MHD115B-035-PG1-BA is equipped with a holding brake that supplies 70.0 Nm of torque.
Q: What is the system accuracy of the MHD115B-035-PG1-BA motor?
A: The MHD115B-035-PG1-BA achieves a system accuracy of 0.5 angular minutes.
Q: What is the degree of protection rating for the MHD115B-035-PG1-BA motor?
A: This model has an IP65 degree of protection, guarding it against dust and low-pressure water jets.
