MHD115C-058-NG1-AN Bosch Rexroth Indramat
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MPN: R911282920
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The Bosch Rexroth Indramat MHD115C-058-NG1-AN is a servo motor from the MHD Synchronous Motors series featuring a plain shaft design and liquid cooling. It has a continuous torque at standstill of 70.0 Nm, comes with a holding brake, and supports a degree of protection rated at IP65. The motor uses digital servo feedback for position detection with an insulation class F and a flange size of 192 mm.
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Product Description:
The MHD115C-058-NG1-AN is a servo motor manufactured by Bosch Rexroth Indramat as part of the MHD Synchronous Motors series. This controlled-torque device converts drive current into precise rotary motion for industrial gantries, pick-and-place heads, and other automated axes. It partners with Indramat digital drives to supply closed-loop speed and position control, allowing equipment builders to meet repeatability requirements while keeping mechanical transmissions compact.
The motor delivers a continuous standstill torque of 70.0 Nm, generated by winding code 058 and maintained by a stator jacket that uses liquid cooling to draw heat away from the laminations. An external coolant circuit lets the unit hold rated output across the full 0 to 40 °C operating range. The housing has an IP65 rating, so the stator and feedback elements remain sealed against dust and low-pressure jets even when the 192 mm square flange is fastened at the machine frame. Feedback is provided by a high-resolution Digital servo feedback (HSF) encoder, enabling the drive to close velocity and position loops without additional sensors. Power conductors exit toward side A through an output connector, and motor size 115 with length code C keeps the overall depth compatible with standard Rexroth mounting kits.
The mechanical interface is finalized by a 180 mm centering diameter that aligns the motor before the bolts are tightened, while a plain shaft with an integral seal keeps coolant out of the bearing chamber. During standby, the integrated brake delivers 70.0 Nm to hold the load. Position is sensed optically and processed as a relative value, giving a system precision of ± 0.5 angular minutes for indexing tables and feed drives. Windings rated to Class F support storage from -20 to +80 °C and operation at heights up to 1000 m above mean sea level.
