Product Description:

The MHD115B-058-NP1-BN is a synchronous servo motor from Bosch Rexroth Indramat in the MHD Synchronous Motors series. With size 115 and length code B, it is built for precise drive control in automated machinery. Winding code 058 is paired with optical relative position detection for coordinated multi-axis motion. A keyed shaft transmits power to the load, and an integrated holding brake secures the axis when power is removed. Power leads exit on side B through an output connector, which helps keep cable routing organized in compact machine layouts.

At standstill, the rotor can deliver 50.0 Nm of continuous torque, providing ample static force for positioning tasks on heavy gantries. The housing is rated IP65, so dust and water jets do not compromise internal components when the unit is mounted on open machines. Position feedback is generated by a digital servo feedback (HSF) encoder, allowing fast signal transmission to the drive controller. The mounting interface uses a flange size of 192 mm with a centering diameter of 180 mm, which helps align the stator accurately against the machine frame. Thermal energy is removed through liquid cooling, allowing full torque delivery without depending on ambient airflow. A permanent shaft seal also helps prevent coolant or contaminants from migrating along the output shaft.

For dynamic stops, the holding brake supplies 70.0 Nm of torque, retaining the axis on vertical loads until servo power resumes. Electrical insulation follows insulation class F, allowing winding temperatures up to 155 °C while the unit operates within an ambient range of 0 to 40 °C. System accuracy reaches ± 0.5 angular minutes, which suits applications that require tight contour control and repeatable positioning. The motor can be stored between -20 and +80 °C, and it may be installed up to 1000 m above mean sea level without derating. These operating limits support use in industrial equipment that must maintain stable motion under normal production conditions.