MHD093B-058-PG1-LA Bosch Rexroth Indramat
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MPN: R911310854
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The Bosch Rexroth Indramat MHD093B-058-PG1-LA is a servo motor from the MHD Synchronous Motors series. It features a continuous torque at standstill of 17.5 Nm and operates with IP65 protection. The motor is equipped with a digital servo feedback encoder and comes with a holding brake torque of 22.0 Nm.
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Product Description:
The MHD093B-058-PG1-LA is a servo motor produced by Bosch Rexroth Indramat and assigned to the MHD Synchronous Motors series. Intended for closed-loop industrial axes, it transforms three-phase electrical energy into regulated torque and speed while providing absolute position feedback to the controller. The unit uses a plain output shaft and a left-oriented power connector so it can fit machines where space beside the flange is limited. Natural-convection cooling allows installation without supplemental fans or liquid circuits, which helps keep the motor assembly compact. This layout also keeps cable routing closer to the motor body in crowded installations.
Its continuous torque at standstill reaches 17.5 Nm, giving the drive enough holding force for static loads during indexing operations. Mechanical centering on the mounting face is simplified by a 130 mm centering diameter, and the flange pattern follows 140 / 150 mm dimensions for compatibility with common machine interfaces. A housing rating of IP65 helps protect the windings from dust and low-pressure water jets, supporting use on open production equipment. The sealed housing reduces the chance of contamination reaching internal components during routine operation. Reliable operation is maintained across an ambient range of 0 to 40 °C when the motor is installed no higher than 1000 m above sea level, and heat leaves the stator through the ribbed frame by free air flow.
An integrated holding brake provides 22.0 Nm of static torque so the shaft can remain locked when power is removed. Windings insulated to class F tolerate elevated internal temperatures without damage to the varnish system. Closed-loop movement is supported by an optical encoder with a system accuracy of ± 0.5 angular minutes, and its absolute track retains position data for more than 4096 revolutions. This feedback arrangement supports accurate commutation and repeatable positioning during long motion sequences. Winding code 058 corresponds to the electrical characteristics used with compatible IndraDrive amplifiers, and the integrated shaft seal helps protect the front bearing from coolant splash.
Frequently Asked Questions about MHD093B-058-PG1-LA:
Q: What type of encoder and measurement method does the MHD093B-058-PG1-LA motor use?
A: The MHD093B-058-PG1-LA uses digital servo feedback with an integrated optically measured encoder.
Q: Does the MHD093B-058-PG1-LA motor have a holding brake?
A: This motor includes a holding brake that provides 22.0 Nm of brake torque.
Q: What is the continuous standstill torque of the MHD093B-058-PG1-LA servo motor?
A: The continuous torque at standstill for this model is rated at 17.5 Nm.
Q: What level of protection does the MHD093B-058-PG1-LA motor offer against dust and moisture?
A: The MHD093B-058-PG1-LA has an IP65 degree of protection, making it resistant to dust and water jets.
Q: How is the MHD093B-058-PG1-LA motor cooled during operation?
A: This model operates with natural convection as its housing cooling type.
