SE-B2.040.060-05.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B2.040.060-05.000 is part of the SE Synchronous Servo Motors series and has a flange size of 100 mm and a shaft size of 14 x 30 mm. This servo motor features a nominal speed of 6000 rpm, a peak current of 60 A, and a static torque of 4.0 Nm. Its winding inductance is 9.4 mH with a winding resistance of 1.40 Ohm.
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Product Description:
Bosch Rexroth Indramat manufactures the SE-B2.040.060-05.000 synchronous servo motor for the SE Synchronous Servo Motors series. The unit converts drive commands into precise rotary motion for positioning tables, pick-and-place heads, and other industrial automation axes. Its magnetically excited rotor couples directly to a matched drive controller, allowing compact installations that require high speed and repeatable torque delivery. The motor conforms to compact IEC dimensions for straightforward integration into industrial machinery.
The motor mounts to machinery with a 100 mm square flange, and its shaft measures 14 mm in diameter and 30 mm in length to accommodate standard couplings. At a nominal speed of 6000 rpm, it delivers 4.0 Nm of torque at the terminals. Each ampere of phase current produces 0.40 Nm/A, while the back EMF rises linearly at 45 V/1000 rpm. The internal tachogenerator outputs 1.8 V/1000 rpm, providing a proportional signal for velocity monitoring. The electrical circuit has a winding resistance of 1.40 ohms and an inductance of 9.4 mH, which influence current-loop response. An electrical time constant of 6.6 ms complements a mechanical time constant of 6.0 ms, supporting predictable acceleration during the 64 ms ramp-up period.
The maximum phase current reaches 60 A during acceleration, while the continuous standstill current is 10.0 A when the shaft is locked. These current levels allow the drive to provide brief acceleration torque while maintaining a stationary load without exceeding the continuous current limit. The motor has a thermal time constant of 25 minutes, allowing intermittent overloads before the winding temperature reaches its permitted threshold. Adequate cooling and proper drive settings are necessary to keep the winding within its allowable operating temperature during repeated cycles. Bus voltage ripple is limited to 1.5% or less of the nominal value, helping reduce torque pulsation in sensitive positioning tasks. Stable bus power also supports consistent current regulation when the axis changes rapidly between acceleration, steady motion, and standstill operation.
