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SE-B3.075.060-10.000 Bosch Rexroth Indramat

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The Bosch Rexroth Indramat SE-B3.075.060-10.000 is part of the SE Synchronous Servo Motors series and has a mass of 12.4 kilograms with a maximum length of 288 millimeters. This motor achieves a nominal speed of 6000 rpm and a peak current of 84 Amps, while providing a maximum torque of 22 Newton-meters. It features a shaft size of 19 by 40 millimeters and a rotor inertia of 1.66 x10^-3 kgm².

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Product Description:

The SE-B3.075.060-10.000 is a synchronous servo motor produced by Bosch Rexroth Indramat as part of the SE Synchronous Servo Motors series. It serves as a drive element in industrial automation where a controller modulates current to achieve accurate shaft position or speed. By translating electrical commands into mechanical rotation, the motor supports indexing tables, high-speed tool changers, and material-handling axes that demand compact size and rapid acceleration. Its synchronous design also supports repeatable motion during frequent starts, stops, and direction changes.

The housing mass is 12.4 kg, a value that influences mounting load and thermal capacity. Total motor length reaches 288 mm, allowing integration into tight machine frames while accommodating the internal magnetic stack. Under continuous excitation, the rotor can supply up to 22.0 Nm of torque, providing the thrust needed for medium-inertia loads. Rated speed is 6000 rpm, so linear motion stages can achieve high travel rates without additional gearing. During zero-speed holding, the drive must deliver a standstill current of 14 A. This current maintains static torque and helps keep vertically oriented loads from drifting. The compact body also helps the motor fit dense machine layouts where space around the drive axis is limited.

Dynamic events are handled with a peak phase demand of 84 A, a figure used for sizing the matching power module and overcurrent protection. Torque grows in proportion to drive output because the constant is 0.58 Nm/A. Control algorithms use this ratio to convert commanded torque into current with predictable response. The motor generates a back-EMF of 63 V/1000 rpm, so regenerative voltage remains manageable even at high operating speed. The stator’s electrical behavior is shaped by an inductance of 8.7 mH, which works with the winding resistance to affect current rise time and the electrical time constant. This electrical balance helps the motor respond smoothly to rapid changes in commanded load.

Electrical Time Constant
9.3 ms
Mass
12.4 kg
Max Length
288 mm
Max Torque (sm 25/50)
22.0 Nm
Mechanical Time Constant
4.3 ms
Nominal Speed
6000 rpm
Peak Current
84 A
Rotor Inertia
1.66 x10^-3 kgm²
Shaft Size
Ø19 x 40 mm
Standstill Current
14 A
Static Torque
8.2 Nm
Thermal Time Constant
25 min
Torque Constant
0.58 Nm/A
Voltage Constant
63 V/1000 rpm
Winding Inductance
8.7 mH
Winding Resistance
0.90 Ohm

Frequently Asked Questions about SE-B3.075.060-10.000:

Q: What is the nominal speed of the SE-B3.075.060-10.000 servo motor?

A: The SE-B3.075.060-10.000 has a nominal speed of 6000 rpm, making it suitable for high-speed applications.

Q: What is the maximum torque output of the SE-B3.075.060-10.000?

A: This servo motor produces a maximum torque output of 22.0 Nm.

Q: What is the peak current rating for the SE-B3.075.060-10.000 servo motor?

A: The SE-B3.075.060-10.000 is engineered with a peak current capability of 84 A.

Q: What is the shaft size of the SE-B3.075.060-10.000 servo motor?

A: A shaft size of Ø19 x 40 mm is provided on this model.

Q: What is the winding resistance on the SE-B3.075.060-10.000?

A: The SE-B3.075.060-10.000 features a winding resistance of 0.90 Ohm.


Internal Product Review

  • ‘‘The SE-B3.075.060-10.000 is a Bosch Rexroth Indramat synchronous servo motor tuned for fast, accurate motion control. A nominal speed of 6000 rpm paired with 22.0 Nm max torque gives this motor impressive dynamic range for demanding servo axes. Low mechanical time constant of 4.3 ms stands out as a strong advantage for crisp positioning performance.’’

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