MHD112C-058-PG3-RN Bosch Rexroth Indramat
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MPN: R911292678
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The Bosch Rexroth Indramat MHD112C-058-PG3-RN is a servo motor from the MHD Synchronous Motors series with liquid cooling and a flange size of 192 mm. It offers a continuous torque at standstill of 38.0 Nm and features a holding brake with 70.0 Nm of torque. The motor has digital servo feedback with an integrated encoder for absolute position detection over more than 4096 revolutions.
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Product Description:
The MHD112C-058-PG3-RN is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. It executes closed-loop industrial automation tasks by translating drive commands into regulated rotation for common machine axes such as feed drives, transfer units, and positioning systems. The unit uses motor size 112 and length code C, while winding code 058 identifies the stator configuration for this frame. Its digital servo feedback system uses an integrated optical encoder to return multi-turn absolute rotor position to the controller. This arrangement allows the connected drive to monitor rotor angle continuously for commutation, speed control, and precise position correction during repeated cycles.
Thermal and mechanical performance are supported by liquid cooling, which transfers loss heat to an external circuit and allows the motor to deliver a continuous shaft torque of 38.0 Nm without derating. The housing is sealed to IP65, helping protect internal components from dust and low-pressure water jets in demanding machine environments. Mounting is handled through a 192 mm square flange that aligns on a 130 mm centering boss for coaxial seating and secure machine attachment. Position feedback accuracy at the shaft remains within ±0.5 angular minutes, giving the drive fine interpolation capability for contouring tasks. The face-mounted arrangement helps preserve alignment between the motor shaft and the driven mechanism, while power enters through a right-facing connector and the plain shaft includes a shaft seal.
An integral holding brake supplies 70.0 Nm of static torque to secure the axis when power is removed. Class F insulation supports elevated winding temperatures, and the motor maintains rated output in ambient conditions from 0 to 40 °C. The brake is intended to hold the load at standstill, while storage is permitted between -20 and +80 °C and installation is allowed up to 1000 m above mean sea level without derating. These limits support indoor industrial use where stable thermal performance and secure axis holding are required.
Frequently Asked Questions about MHD112C-058-PG3-RN:
Q: What type of cooling does the MHD112C-058-PG3-RN servo motor use?
A: The MHD112C-058-PG3-RN features liquid cooling for its housing.
Q: Does the MHD112C-058-PG3-RN servo motor come with a holding brake?
A: This model is equipped with a holding brake providing 70.0 Nm of torque.
Q: What type of shaft is used on the MHD112C-058-PG3-RN servo motor?
A: The shaft is a plain design with a shaft seal included.
Q: What is the system accuracy of the MHD112C-058-PG3-RN?
A: System accuracy for this servo motor is ±0.5 angular minutes.
Q: What type of position detection does the MHD112C-058-PG3-RN use?
A: The encoder provides absolute position feedback for over 4096 revolutions.
