MHD131B-024-PG1-BN Bosch Rexroth Indramat
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MPN: R911298432
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The Bosch Rexroth Indramat MHD131B-024-PG1-BN is a servo motor from the MHD Synchronous Motors series with a continuous torque at standstill of 48.0 Nm and a plain shaft with seal. It features a digital servo feedback encoder with absolute position detection above 4096 revolutions and includes a holding brake with a torque of 100 Nm. The motor has a liquid cooling housing and is rated with IP65 protection and insulation class F.
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Product Description:
The MHD131B-024-PG1-BN is a servo motor manufactured by Bosch Rexroth Indramat for the MHD Synchronous Motors series. It is used on automation axes that require accurate rotary positioning and steady torque delivery during continuous motion or controlled stopping. Integrated absolute position feedback supplies the drive with multi-turn data, allowing closed-loop control for machine-tool spindles, gantry rotation, and other coordinated motion tasks in industrial production cells. This feedback arrangement also allows the controller to retain position information through repeated revolutions without relying on a separate external measuring device.
At standstill, the motor can deliver 48.0 Nm of continuous torque, enabling static holding or slow-speed creep without overheating. When power is removed, a built-in brake supplies 100 Nm of mechanical locking torque so suspended or vertical loads remain fixed. Heat generated by the windings is transferred to a coolant circuit because the housing is designed for liquid cooling, which supports higher duty cycles than naturally cooled models. The enclosure carries an IP65 rating, so dust and low-pressure water jets will not compromise operation in typical plant environments. Position feedback resolution supports a system accuracy of ±0.5 angular minutes, which is useful for fine contouring and registration tasks that depend on repeatable shaft positioning.
The mechanical interface uses a centering diameter of 250 mm to align the frame, while a square flange of 260 mm provides the bolt pattern for rigid mounting. Class F insulation permits winding temperatures up to 155 °C, and the motor operates across an ambient range of 0 to 40 °C. A shaft seal protects internal parts when coolant or cutting fluid is present, and power and feedback leads exit on side B through a connector. The plain shaft is suited for clamp-style hubs or shrink-disc connections rather than keyed couplings. Absolute feedback supports detection beyond 4096 revolutions, installation is permitted up to 1000 m above sea level, and storage conditions range from -20 to +80 °C.
Frequently Asked Questions about MHD131B-024-PG1-BN:
Q: What is the holding brake torque of the MHD131B-024-PG1-BN motor?
A: The MHD131B-024-PG1-BN motor features a holding brake with a holding torque of 100 Nm.
Q: What type of position detection does the MHD131B-024-PG1-BN support?
A: This model provides absolute position detection for more than 4096 revolutions.
Q: What is the degree of protection rating for the MHD131B-024-PG1-BN?
A: The MHD131B-024-PG1-BN offers an IP65 degree of protection, ensuring dust-tight and complete protection against water jets.
Q: What is the continuous standstill torque of the MHD131B-024-PG1-BN?
A: Continuous torque at standstill for this motor is rated at 48.0 Nm.
Q: What type of cooling does the housing of the MHD131B-024-PG1-BN use?
A: The housing of this motor is cooled using a liquid cooling system.
