MHD093A-058-PG0-BA Bosch Rexroth Indramat
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MPN: R911305575
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The Bosch Rexroth Indramat MHD093A-058-PG0-BA is a servo motor from the MHD Synchronous Motors series with a continuous torque at standstill of 12.0 Nm and an insulation class of F. It offers IP65 protection, features digital servo feedback with an integrated encoder for absolute position detection above 4096 revolutions, and includes a plain shaft with a shaft seal. The motor is designed for natural convection cooling and operates within an ambient temperature range of 0 to 40 °C.
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Product Description:
The MHD093A-058-PG0-BA is a servo motor manufactured by Bosch Rexroth Indramat for the MHD Synchronous Motors series. This brushless unit incorporates an absolute optical encoder, allowing the drive controller to receive real-time rotor position data over more than 4096 revolutions. This arrangement allows accurate position reporting after power-up without a separate homing cycle. By combining fast torque rise with precise velocity regulation, the device serves packaging machines, transfer axes, and machine-tool spindles. Its winding code 058 and compact 093 frame let the motor fit different load points without requiring a different mounting arrangement. The compact housing also supports use on axes where installation space is limited.
A continuous standstill torque of 12.0 Nm lets the stator hold static loads without thermal overload when the axis is clamped. Mounting is centered by a 130 mm pilot and a 140/150 mm square flange that aligns the housing with ISO motor plates. The enclosure meets IP65, and the built-in shaft seal keeps dust and water jets away from the bearings. This seal also helps protect the bearing area during routine machine cleaning. Heat leaves the frame through natural convection, eliminating the need for auxiliary blowers inside sealed cabinets. Position information is delivered by digital servo feedback that relies on an optical measuring track for fine resolution. The power connector faces side B, and the absence of a holding brake reduces inertia for dynamic reversing moves.
The motor operates in ambient air from 0 to 40 °C and may be stored between −20 and 80 °C without damage. Class F insulation tolerates internal temperatures approaching 155 °C, supporting high current peaks at altitudes up to 1000 m above mean sea level. Closed-loop accuracy is specified at ± 0.5 angular minutes, a figure assisted by the backlash-free interface of the plain shaft. Motor length A preserves a short thermal path, so temperature rise stays within design limits at the stated duty cycle.
Frequently Asked Questions about MHD093A-058-PG0-BA:
Q: What is the continuous torque at standstill for the MHD093A-058-PG0-BA?
A: The MHD093A-058-PG0-BA delivers a continuous torque at standstill of 12.0 Nm.
Q: What type of cooling system is used in the MHD093A-058-PG0-BA motor?
A: This motor features a natural convection cooling system, allowing heat dissipation without the need for external fans.
Q: What is the position detection capability of the MHD093A-058-PG0-BA?
A: The MHD093A-058-PG0-BA offers absolute position detection capability for more than 4096 revolutions.
Q: Does the MHD093A-058-PG0-BA motor include a holding brake?
A: This model is manufactured without a holding brake.
Q: What level of protection does the MHD093A-058-PG0-BA motor provide?
A: The degree of protection for this motor is rated at IP65, safeguarding it from dust and low-pressure water jets.
