SR-L1.0012.060-14.000 Bosch Rexroth Indramat
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MPN: R911919225
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The Bosch Rexroth Indramat SR-L1.0012.060-14.000 is part of the SR Synchronous Servo Motors series and features a resolver encoder with a resolution of 8192 increments per revolution. This motor has a flange size of 70 mm, a mass of 2.11 kg, and a rated speed of 6000 min^-1. It has a holding brake torque of 2.0 Nm and operates with a brake rated current of 0.4 A at 24 V DC.
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Product Description:
The SR-L1.0012.060-14.000 synchronous servo motor is manufactured by Bosch Rexroth Indramat and belongs to the SR Synchronous Servo Motors series. It is intended for industrial automation tasks where precise rotary motion, closed-loop control, and rapid positioning are necessary. A resolver supplies real-time feedback while an integrated holding brake secures the load during power-off states, making the motor suitable for assembly cells, pick-and-place heads, and light-duty indexing axes. This combination lets the drive maintain stable position control during motion and hold the axis in place when operating power is removed.
The motor uses a 70 mm square flange and a shaft supported by ball bearings. The motor reaches a rated speed of 6000 rpm, allowing direct coupling to high-speed tooling without gear reduction. Its electromagnetic design delivers a torque constant of 0.64 Nm/A, so each ampere of phase current produces 0.64 newton-meters of torque. Despite the integrated brake and feedback hardware, the assembly weighs only 2.11 kg, which helps reduce moving mass on lightweight gantries. The holding brake is energized from 24 V DC and is released automatically when that supply is present; during shutdown, the brake clamps the rotor to keep the load stationary. Ball-bearing support helps the shaft maintain stable rotation during frequent starts, stops, and reversing moves.
When motion begins from rest, the drive may command a locked-rotor torque of 1.2 Nm, which is available before rotation starts. Under this stalled condition, the phase windings can draw up to 1.9 A, a value that must be considered when sizing the amplifier. Position feedback is aided by the resolver’s 8192 incr/rev angular resolution, enabling smooth interpolation for small positioning moves. Power is transmitted through an Ø11 × 23 mm keyed shaft, and the combined rotor-encoder inertia remains low enough to help limit overshoot at the end of rapid positioning moves. This behavior is useful on short-cycle axes where the motor must accelerate, settle, and repeat without excessive oscillation.
