Product Description:

The MHD090B-058-NG0-UN is a synchronous servo motor built by Bosch Rexroth Indramat for the MHD Synchronous Motors series. Used as a drive element in automation axes, it converts commanded current into precise torque and speed for machining centers, material‐handling gantries, and packaging equipment where repeatable positioning is critical.

This model develops a continuous standstill torque of 12.0 Nm, supplying stable holding or low-speed motion without overheating. Its centering diameter of 110 mm matches standard mounting pilots so the motor seats accurately on the machine frame, with a flange dimension of 140 mm. Heat is removed through liquid cooling, allowing higher current density than air-cooled equivalents. Position data come from a digital servo feedback (HSF) encoder that streams high-resolution signals to the drive. For simplified wiring, the power connector can be rotated within 270° so the cable exits align with cabinet layouts.

The mechanical interface uses a plain shaft for compatible clamp-style or friction-locking couplings. Winding code 058 defines the electrical resistance and inductance set that pairs with Rexroth inverters for rated current delivery. Motion control relies on relative feedback; the detector reports incremental counts identified as Relative position,with relative feedback, homing/reference procedures depend on the machine and drive setup. Additional details include the motor size 090 frame and the B-length stator, a power and feedback connector set on the housing, and the ability to swivel those connectors for service access. Together, these specifications align the motor with medium-inertia loads that demand liquid-cooled continuous torque and flexible cabling in confined machine envelopes.