SE-B3-033-030-00.022 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B3-033-030-00.022 is part of the SE Synchronous Servo Motors series and has a nominal speed of 3000 rpm with a static torque of 4.2 Nm. This motor features a shaft diameter of 19 mm, flange width of 116 mm, and a permissible axial force of 145 N. It also offers a winding resistance of 7.9 Ohm and a winding inductance of 60 mH.
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Product Description:
The SE-B3-033-030-00.022 is produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. This unit converts three-phase drive current into precisely controlled rotary motion for indexing tables, gantry axes, and other automation equipment. Its compact stator frame, standardized flange pattern, and integrated feedback connections allow straightforward installation in multi-axis machines, while closed-loop control from a Rexroth drive keeps cycle times short and repeatable. Applications that require high positional accuracy and constant velocity at moderate power levels benefit from the motor’s permanent-magnet design and low inertia.
The motor has an electrical time constant of 5.8 ms, allowing current to track commands quickly enough for tight torque control. A mechanical time constant of 7.6 ms indicates that the rotor can accelerate rapidly, making the drive suitable for frequent start-stop operation. Under continuous load, it runs at 3000 rpm, and a stall current of 4.0 A supports continuous locked-shaft operation within the motor’s thermal limits. Its continuous holding capability provides a static torque of 4.2 Nm, while the torque constant of 1.02 Nm/A indicates the output produced for each ampere of current. The winding has an inductance of 60 mH and a resistance of 7.9 Ω, which help reduce current ripple and limit inrush current when the motor is powered by a compact inverter stage.
The motor has a voltage constant of 112 V/1000 rpm, which helps determine suitable DC-link voltage and regenerative braking limits. The housing carries a square flange measuring 116 mm across. Its shaft has a diameter of 19 mm and a length of 40 mm for connection to standard couplings. The bearings tolerate axial forces up to 145 N, allowing the motor to support loads from belt tension or helical gearing without reducing bearing life. Line terminals accept conductors with a cross-sectional area of 2.5 mm². The motor has a thermal time constant of 19 min, allowing short overloads before rising temperature requires the drive to reduce output.
