Product Description:

The MHD112C-058-NG3-AN is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. Classified as a compact, liquid-cooled drive element, it fits automation cells that require high torque density and rapid cycling in limited space. The product couples a brushless synchronous rotor to a position-feedback system so the motion controller can command exact angles, stop loads securely with the built-in brake, and support fast cycle times while minimizing footprint.

The motor develops a continuous standstill torque of 38.0 Nm, which is the torque it can hold indefinitely without exceeding winding limits. Thermal energy at that load is removed through liquid cooling channels that circulate coolant along the stator jacket. Contaminants are kept out by the IP65 housing, allowing installation outside a sealed cabinet in many machine layouts. Precise centering on a gearbox flange is assisted by a 130 mm locating diameter that limits radial error. Duty-cycle ratings remain unchanged within an ambient range of 0 to 40 °C, so the same motor can serve in climate-controlled plants or warmer workshops without derating.

Position data are returned by a digital servo feedback (HSF) encoder that employs an optical scanning method and reports relative displacement to the controller for closed-loop position regulation. The combination of feedback and mechanical tolerances yields a system accuracy of ± 0.5 angular minutes, supporting tight registration on indexing tables. When power is cut, the integral brake resists up to 70.0 Nm to hold the plain shaft. Mounting follows a 192 mm square flange, while size 112 laminations and length code C indicate the active stack length. Additional features include class F insulation, a shaft seal, and an output connector on side A. The motor can be stored between −20 and +80 °C and installed up to 1000 m above mean sea level without adjustment.