MHD041B-144-NG0-UP Bosch Rexroth Indramat
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MPN: R911293321
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The Bosch Rexroth Indramat MHD041B-144-NG0-UP is a servo motor from the MHD Synchronous Motors series with a continuous torque at standstill of 2.7 Nm and a degree of protection rated at IP65. It features a plain shaft with shaft seal, flange size of 82 mm, and digital servo feedback using an optical measurement method. The motor operates within an ambient temperature range of 0 to 40 °C and supports a turnable power connection within 270°.
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Product Description:
The MHD041B-144-NG0-UP is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. This permanently excited unit is installed in multi-axis machining centers, handling robots, and conveyor positioning stations where closed-loop speed and position control are required. By pairing its digital encoder with a drive controller, the motor supplies finely metered torque to keep automation cycles synchronized with program commands. It is suited for applications that require repeatable acceleration, steady low-speed motion, and accurate positioning across frequent machine cycles.
The motor delivers a continuous standstill torque of 2.7 Nm, giving small fixtures enough holding force for accurate interpolation at low speed. Its housing is sealed to IP65, so dust ingress and water jets do not affect operation on the plant floor. This protection helps the motor operate reliably in dusty areas and in spaces exposed to washdown spray. The motor uses an 82 mm square mounting flange and a 50 mm centering diameter to align the shaft with couplings or gearboxes. Operation is permitted in ambient temperatures from 0 to 40 °C. The motor has no holding brake, so vertical loads must be secured by an external device when power is removed. HSF digital servo feedback is measured optically and supplies relative position data to the control system, while the plain shaft is protected by a shaft seal.
System precision reaches ± 0.5 angular minutes through the optical sensor path. The power and feedback connector block can be rotated through 270°, which helps with cable routing in tight electrical cabinets and can reduce cable strain where clearance is limited. Heat is removed by natural convection, and the shaft seal is rated IP68 for demanding coolant exposure. Storage temperatures from -20 to +80 °C and installation elevations up to 1000 m above mean sea level support common transport and plant conditions. Class F insulation supports winding temperatures associated with dynamic duty cycles.
Frequently Asked Questions about MHD041B-144-NG0-UP:
Q: What shaft type and sealing features does the MHD041B-144-NG0-UP offer?
A: The MHD041B-144-NG0-UP motor uses a plain shaft and includes a shaft seal to offer added protection from contaminants.
Q: What is the continuous torque at standstill for the MHD041B-144-NG0-UP?
A: This motor is rated to provide a continuous torque of 2.7 Nm when at standstill.
Q: What type of encoder does the MHD041B-144-NG0-UP use for feedback?
A: The MHD041B-144-NG0-UP features digital servo feedback (HSF) with optical measurement for position detection.
Q: What is the degree of protection for the MHD041B-144-NG0-UP motor housing?
A: This servo motor achieves a protection level of IP65 on its housing, making it resistant to dust and water jets.
Q: How is the MHD041B-144-NG0-UP motor cooled and what additional protection is provided?
A: The MHD041B-144-NG0-UP is designed for natural convection cooling and includes features for IP68 protections.
