MHD115C-059-PP1-BA Bosch Rexroth Indramat
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MPN: R911308326
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The Bosch Rexroth Indramat MHD115C-059-PP1-BA is a servo motor from the MHD Synchronous Motors series, featuring a keyed shaft and digital servo feedback with an integrated encoder. It offers 70.0 Nm continuous torque at standstill and uses natural convection cooling with an IP65 degree of protection. This motor includes a holding brake with matching torque and supports absolute position detection over more than 4096 revolutions.
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Product Description:
The MHD115C-059-PP1-BA is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. It is intended for high-precision industrial automation where repeatable positioning and controlled speed are required in conveyors, gantries, and robotic axes. When connected to a compatible drive controller, the motor converts regulated current into mechanical rotation and supports responsive motion during indexing, synchronized travel, and repeated start-stop operation. Its synchronous design also helps maintain accurate commanded motion under changing load conditions in demanding machine cycles.
At standstill, the motor develops a continuous torque of 70.0 Nm, allowing it to support static loads without overheating. The housing has an enclosure rating of IP65, which protects internal components from dust and low-pressure water jets found in industrial areas. Position repeatability is supported by a system accuracy of ± 0.5 angular minutes, and the feedback system provides precise motion data to the drive for closed-loop control. Heat is removed by natural convection, so no separate fan or liquid circuit is required. This cooling method also keeps the motor mechanically simple because it does not rely on external air ducting or coolant lines. Power is connected through an output connector on side B, which can simplify cable routing when the shaft is coupled to a gearbox or pulley.
A permanent holding brake keeps vertical axes stationary during power loss, and a shaft seal helps retain lubricant while limiting contaminant entry at the shaft opening. The mounting interface uses a flange of 192 mm, matching the 115 frame and length code C for this motor body. The insulation class is F, and the motor is intended to operate in ambient temperatures from 0 to 40 °C while storage is permitted from -20 to 80 °C. Installation is permitted up to 1000 m above sea level, which keeps the motor within its intended operating range at altitude. The integrated feedback system provides Absolute (>4096 revolutions) position data, allowing the drive to track shaft location across many turns without losing absolute reference after power cycling.
Frequently Asked Questions about MHD115C-059-PP1-BA:
Q: What is the continuous torque at standstill for the MHD115C-059-PP1-BA motor?
A: The MHD115C-059-PP1-BA features a continuous torque at standstill of 70.0 Nm, suitable for applications requiring consistent output.
Q: What type of encoder does the MHD115C-059-PP1-BA use for position feedback?
A: This motor provides digital servo feedback with an integrated encoder for precise position detection.
Q: What degree of protection does the MHD115C-059-PP1-BA motor have?
A: The MHD115C-059-PP1-BA is rated IP65, offering protection against dust and low-pressure water jets.
Q: How is the MHD115C-059-PP1-BA motor cooled during operation?
A: Cooling is achieved through natural convection, allowing the motor to operate without additional cooling systems.
Q: Does the MHD115C-059-PP1-BA motor have a holding brake, and what is its torque?
A: A holding brake is included and delivers a brake torque of 70.0 Nm for secure holding at rest.
