MHD131D-012-PG2-BN Bosch Rexroth Indramat
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MPN: R911321014
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The Bosch Rexroth Indramat MHD131D-012-PG2-BN is a servo motor from the MHD Synchronous Motors series and features liquid cooling with a plain shaft design and IP65 protection. It provides 160 Nm of continuous torque at standstill and has a digital servo feedback with integrated encoder for position detection above 4096 revolutions. The motor is equipped with a holding brake rated at 240 Nm and operates within an ambient temperature range of 0 to 40 degrees Celsius.
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Product Description:
The Bosch Rexroth Indramat MHD131D-012-PG2-BN is a rotary servo motor supplied within the MHD Synchronous Motors series. It serves as the prime mover in closed-loop automation, translating drive-controller commands into controlled torque for positioning tables, pick-and-place heads, or feed rolls. Integrated digital feedback allows the controller to monitor instantaneous shaft angle, keeping motion synchronized with the rest of the machine sequence.
The motor has a size 131 frame with D length, and the stator mounts against a 260 mm flange while a 250 mm centering diameter maintains concentric alignment. At standstill, the electromagnetic package develops 160 Nm of continuous torque, and the built-in brake can lock the shaft with up to 240 Nm to secure vertical loads during shutdown. Cooling passages around the housing support liquid cooling, so thermal limits are maintained even during sustained cycles. Dust-tight metal construction and molded seals provide a protection rating of IP65, permitting installation in machining cells exposed to coolant splash. Position feedback is generated optically by an integrated digital encoder that provides absolute data for more than 4096 revolutions, allowing the drive to resolve motion with a system accuracy of ± 0.5 angular minutes. Power enters through a connector routed to side B.
A plain shaft with a shaft seal minimizes leakage when the motor is coupled to gearboxes or pulley sets, and the maximum setup height of 1000 m above mean sea level maintains rated characteristics at standard plant elevations. The windings identified by code 012 comply with insulation class F and operate within an ambient range of 0 to 40 °C. Storage temperatures between -20 and +80 °C are permissible, allowing the unit to be kept in stock without performance loss. Electrical conductors and optical feedback lines share a routed harness, completing the closed-loop circuit required for precise velocity and position control.
