Product Description:

The SD-B4.070.030-14.000 is a brushless servo motor produced by Bosch Rexroth Indramat within the SD Magnet Motors series. It is intended for closed-loop positioning tasks where a compact permanent-magnet rotor delivers repeatable torque in response to drive commands. By supplying regulated mechanical power to indexing tables, pick-and-place heads, or feed axes, the unit serves as the final link between an electronic controller and the moving load in industrial automation cells. Its brushless construction reduces wear because there are no brushes to replace.

The motor uses a mounting flange of 142 mm, allowing direct attachment to gearboxes or machine frames without adapter plates. At zero shaft rotation, the rotor can sustain 7.0 Nm of torque, which supports holding force under closed-loop current control for medium-mass loads. During continuous motion, the motor is rated for a nominal speed of 3000 rpm, a common servo operating point for balancing throughput and positional resolution. Rotor excitation relies on ferrite magnets, which provide stable magnetic flux during operation. All transmitted power exits through a shaft sized at ø 24 × 50 mm, making it suitable for standard couplings and related drive components.

The motor supports closed-loop current control during hold phases, which helps limit heating when the axis pauses between cycles. That behavior is useful on applications that start and stop frequently, where stable low-speed torque matters as much as high-speed operation. It is also suited to repeatable positioning in transfer mechanisms, indexing stations, and short-stroke feed movements that require consistent response from cycle to cycle. The overall design remains compact while providing the controlled rotary output expected from a brushless industrial servo motor.