MHD115C-059-PG0-AA Bosch Rexroth Indramat
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MPN: R911321762
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The Bosch Rexroth Indramat MHD115C-059-PG0-AA is a servo motor from the MHD Synchronous Motors series. It features a continuous torque of 70 Nm at standstill and uses digital servo feedback with an integrated encoder for absolute position detection. The motor has IP65 protection, insulation class F, natural convection cooling, and a flange size of 192 mm.
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Product Description:
The MHD115C-059-PG0-AA is a servo motor manufactured by Bosch Rexroth Indramat and belongs to the MHD Synchronous Motors series. This unit delivers commanded rotational motion for positioning and speed control tasks in industrial automation cells and machine tools. Its synchronous design supports closed-loop operation where stable torque and repeatable motion are required. It uses the size 115 housing format with the C length variant, so its dimensions match standard mounting patterns for this motor family.
The motor generates a continuous standstill torque of 70.0 Nm, enabling heavy-axis holding without external gearing. Its housing meets IP65, so it resists dust and low-pressure water jets during washdown. A centering diameter of 180 mm aligns the 192 mm square mounting flange with reducers and couplings, and the large flange helps distribute radial forces. Heat leaves the stator through natural convection, eliminating the need for auxiliary fans. Because the unit is supplied without a holding brake, mechanical locking must be handled externally when power is removed. Digital servo feedback with an integrated encoder gathers position data optically to minimize drift during closed-loop operation. The connector is on side A, and the plain shaft is intended for clamping hubs while a shaft seal retains lubricant.
To support thermal and dielectric reliability, the windings are built to F insulation class, and continuous operation is permitted in ambient temperatures from 0 to 40 °C with storage from -20 °C to 80 °C. Overall control accuracy reaches ± 0.5 arcminutes, and multi-turn feedback provides absolute resolution of more than 4096 revolutions for coordinated axes. Winding code 059 indicates the electrical values matched to standard Indramat drives. Permissible installation altitude is 1000 m above mean sea level without derating.
Frequently Asked Questions about MHD115C-059-PG0-AA:
Q: What is the shaft design and sealing for the MHD115C-059-PG0-AA motor?
A: The MHD115C-059-PG0-AA features a plain shaft with a shaft seal to help prevent dust and contaminants from entering the housing.
Q: What type of encoder and position detection does the MHD115C-059-PG0-AA offer?
A: This model is equipped with digital servo feedback and an integrated encoder that enables absolute position detection for over 4096 revolutions.
Q: What level of environmental protection does the MHD115C-059-PG0-AA provide?
A: It is built with IP65 degree of protection, providing resistance to dust and low-pressure water jets, making it suitable for industrial environments.
Q: What is the continuous torque at standstill for the MHD115C-059-PG0-AA?
A: The continuous torque at standstill for this motor is 70.0 Nm, enabling it to maintain strong holding capacity during operation pauses.
Q: How is the MHD115C-059-PG0-AA motor cooled during operation?
A: This motor uses natural convection cooling, allowing it to operate without external fans or forced cooling systems.
