SR-A1.0016.060-04.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SR-A1.0016.060-04.000 is part of the SR Synchronous Servo Motors series and weighs 2.31 kg with a motor length of 240 mm. It has a rated speed of 6000 min^-1 and features a resolver encoder type with a resolution of 8192 increments per revolution. The servo motor operates on a brake supply voltage of 24 VDC, offering a brake holding torque of 2.0 Nm and a separation time of 20 ms.
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Product Description:
The SR-A1.0016.060-04.000 is a compact synchronous servo motor in the SR Synchronous Servo Motors series from Bosch Rexroth Indramat. It is intended for high-speed positioning stages, pick-and-place axes, and other tightly regulated motion loops, where it converts drive current into precise shaft rotation so machine tools or handling modules can follow programmed profiles without overshoot. The motor pairs with intelligent inverters to form closed-loop servo drives used in assembly cells and packaging lines.
At nominal operation, the shaft reaches 6000 rpm, allowing direct coupling to small-diameter pulleys where high surface speed is required. The electromagnetic design yields a torque constant of 0.67 Nm/A, so current changes produce predictable load torque in position loops. The motor is supplied from a DC link of 670 V, which supports rapid acceleration. Dynamic response is supported by a rotor inertia of 0.83 × 10⁻⁴ kg·m², helping keep settling times short while still carrying moderate payloads. With a housing length of 240 mm, the motor adds only 2.31 kg to the machine, which suits gantry or robot-wrist installations. For startup calculations, locked-rotor values of 2.4 A and 1.6 Nm indicate the peak current demand and the stall torque available at zero speed.
The integrated holding brake engages whenever supply power is removed. It is energized from 24 V DC, draws 0.4 A, and applies 2.0 Nm of holding torque, while release occurs after a commanded separation time of 20 ms. Position feedback is provided by a resolver whose analog windings provide 8192 increments per revolution and an accuracy of ±10 angular minutes. This feedback method offers modest basic resolution and strong immunity to electrical noise, which is useful in demanding industrial environments. The brake holds the shaft during power loss, while the resolver supplies feedback for closed-loop operation.
