SR-B4.0230.060-10.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SR-B4.0230.060-10.000 is a synchronous servo motor from the SR Synchronous Servo Motors series. It has a flange size of 142 mm, a smooth output shaft measuring 24 mm by 50 mm, and a mass of 25 kg. The motor delivers a locked-rotor torque of 22 Nm and a rated speed of 6000 min^-1.
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Product Description:
The SR-B4.0230.060-10.000 is a synchronous servo motor produced by Bosch Rexroth Indramat for the SR Synchronous Servo Motors series. In industrial automation, the device supplies tightly regulated torque and speed to rotary axes, allowing machine controllers to position loads quickly and repeatedly without mechanical backlash. Its resolver-based feedback system keeps the shaft angle synchronized with the drive command, making the motor suitable for indexing stations, form-fill-seal units, and other equipment that requires consistent dynamic response.
The mechanical interface follows the IM B5 mounting pattern, anchoring the flange directly to gearboxes or bearing plates. A centering diameter of 142 mm aligns the stator with the connected equipment and helps maintain that alignment under load. A torque constant of 0.88 Nm/A links drive current to the torque produced, allowing the controller to calculate acceleration from the commanded current. During startup, the motor can withstand a locked-rotor current of 25 A. At that current, it develops a stall torque of 22 Nm to overcome static friction in the coupled mechanism. The rotor has a moment of inertia of 54 × 10⁻⁴ kg·m², supporting rapid speed changes while limiting overshoot. A smooth shaft measuring Ø24 × 50 mm transmits motion without key stress, and the housing has an overall length of 341 mm for installation in compact machine frames.
Control precision is supported by a resolver that delivers 8192 increments per revolution, allowing fine position interpolation at the motor’s rated speed of 6000 rpm. Power, feedback, and brake lines are consolidated into a single size 1.5, 8-pin connector, simplifying cable routing and reducing the number of separate connection points. With a mass of 25 kg, the assembly provides thermal capacity while remaining manageable during installation and maintenance. The flange arrangement supports direct attachment to compatible machine surfaces, while the smooth shaft accommodates clamping couplings that do not require a keyway.
