MHD115C-035-NP1-AA Bosch Rexroth Indramat
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MPN: R911297306
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The Bosch Rexroth Indramat MHD115C-035-NP1-AA is a servo motor from the MHD Synchronous Motors series featuring a continuous torque at standstill of 70.0 Nm and a holding brake with 70.0 Nm torque. It has IP65 protection, digital servo feedback (HSF) encoder, keyed shaft design, and natural convection cooling. The motor supports an operating temperature range of 0 to 40 °C and a maximum setup height of 1000 meters above mean sea level.
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Product Description:
The MHD115C-035-NP1-AA is a servo motor produced by Bosch Rexroth Indramat as part of the MHD Synchronous Motors series. Designed for closed-loop industrial positioning, the unit converts command current from a compatible drive into controlled rotation for gantries, packaging axes, and transfer stations. Its keyed shaft delivers torque directly to couplings or pulleys, which helps the motor fit standard mechanical drive trains without an added gearbox interface. An integral holding brake secures the load during idle states, and the compact C-length housing supports natural convection cooling without external fans.
At standstill the motor can deliver 70.0 Nm continuously, so drive sizing can account for static loads without overheating. The housing carries a protection rating of IP65, blocking dust ingress and water jets in typical machine enclosures. Safe operation is specified within an ambient range of 0 to 40 °C, while the windings use F-class insulation to tolerate internal temperatures up to 155 °C. Mechanical alignment is supported by a centering pilot of 180 mm and a 192 mm square flange, helping the motor seat accurately on mounting plates. This mounting arrangement helps keep shaft alignment stable when the motor is coupled to belts, pulleys, or direct-drive machine elements.
Position information is supplied through a Digital servo feedback (HSF) encoder that uses an optical scanning method and reports relative position to the drive. The feedback channel lets the controller compare commanded motion with actual rotor movement and correct deviations during acceleration and settling. Because the stator is cooled only by natural convection, clearance around the motor housing should remain open so heat can leave the frame. System deviation is held within ±0.5 angular minutes, supporting accurate tracking in multi-axis interpolation. Installation at elevations up to 1000 m above mean sea level is permissible without derating. The power leads exit toward side A through an output connector, which can simplify cable routing inside compact cabinets.
Frequently Asked Questions about MHD115C-035-NP1-AA:
Q: What level of environmental protection does the MHD115C-035-NP1-AA provide?
A: The MHD115C-035-NP1-AA servo motor features an IP65 degree of protection, ensuring it is dust-tight and protected against water jets.
Q: What is the continuous torque at standstill for the MHD115C-035-NP1-AA?
A: This motor provides 70.0 Nm of continuous torque at standstill, suitable for demanding industrial applications.
Q: What type of encoder and position detection is used in the MHD115C-035-NP1-AA?
A: Position detection on this model is achieved using a digital servo feedback (HSF) encoder operating optically for relative position signaling.
Q: Does the MHD115C-035-NP1-AA servo motor come with a holding brake, and what is its torque?
A: The MHD115C-035-NP1-AA includes a holding brake with a torque of 70.0 Nm for secure positioning when powered off.
Q: How is the MHD115C-035-NP1-AA servo motor cooled?
A: Cooling for this model is managed by natural convection, requiring no additional cooling apparatus.
