Product Description:

The SG-B1.006.072-03.000 is a synchronous servo motor produced by Bosch Rexroth Indramat for the SG Synchronous Servo Motors series. As a compact rotary actuator, it converts drive current into tightly controlled shaft torque and speed, allowing CNC stages, pick-and-place arms, and other automated axes to maintain commanded motion profiles with high accuracy. Integrated electronic commutation, together with a rotor system optimized for low inertia, makes the unit suitable for rapid indexing cycles and continuous contouring tasks in industrial automation cells.

Under rated operating conditions, the motor reaches a nominal speed of 8800 rpm, allowing high throughput where fast positional updates are required. While held at a standstill, it can deliver 0.60 Nm of continuous torque from a phase current of 2.2 A. The electromagnetic design provides a torque constant of 0.28 Nm/A, so the control electronics can calculate output torque directly from the commanded current. A 24 V DC coil supplies the spring-applied holding brake and consumes only 11 W of power, limiting the electrical load. The servo is ready for motion after a switch-on time of 20 ms. The brake engages in 15 ms when power is removed, helping to keep cycle delays minimal.

The motor has a 70 mm square flange that centers the frame, and its machined shaft measures 11 mm in diameter by 23 mm long for connection to couplings or pulleys. The overall length is 137 mm, and the assembly weighs 1.6 kg, easing installation on lightweight carrier plates. Internal rotor inertia is 0.016 × 10⁻³ kg·m², while the brake adds 0.007 × 10⁻³ kg·m², allowing responsive acceleration profiles. When power is removed, the brake supplies a holding torque of 1.5 Nm to prevent shaft drift. The bearing set tolerates axial thrust loads of up to 75 N, supporting use with vertical loads or belt-tensioned drives. These operating characteristics allow the motor to deliver controlled motion while the brake secures the connected load during shutdowns or power interruptions.