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SR-A0.0009.060-10.000 Bosch Rexroth Indramat

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The Bosch Rexroth Indramat SR-A0.0009.060-10.000 is a synchronous servo motor from the SR Synchronous Servo Motors series. It offers a rated speed of 6000 min^-1 and features a resolver feedback device with ±10 arcminutes precision. The motor comes with IP67 protection, has a locked-rotor torque of 0.95 Nm, and weighs 1.6 kg without brake.

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Product Description:

The SR-A0.0009.060-10.000 is a synchronous servo motor produced by Bosch Rexroth Indramat for the SR Synchronous Servo Motors series. It is intended to deliver precise rotational motion for positioning axes and speed-controlled spindles in industrial automation equipment such as pick-and-place stations and light gantry drives. By combining resolver feedback with high mechanical speed capability, the unit provides closed-loop control suited to the response requirements of compact, high-throughput machines. The feedback signal allows a compatible drive to monitor rotor position continuously and correct motion when operating conditions change.

The motor reaches a rated speed of 6000 rpm, allowing fast cycle times before mechanical gearing is required. A torque constant of 0.73 Nm/A indicates the proportional relationship between drive current and developed torque, allowing the controller to calculate load response accurately. At standstill, the motor provides a locked-rotor torque of 0.95 Nm while drawing 1.3 A, supporting stable holding without excessive drive current. Dynamic behavior is influenced by a rotor inertia of 2.5 × 10-5 kg·m², giving the axis low resistance to acceleration during rapid indexing moves. Position feedback is supplied by an integrated resolver with an accuracy of ±10 arc-minutes and a resolution of 8,192 increments per revolution. This feedback supports fine interpolation in servo control loops without requiring an optical encoder.

The housing has a length of 171 mm and a mass of 1.6 kg, keeping moving assemblies lightweight. The enclosure has an IP67 protection rating, allowing it to tolerate washdown areas and airborne contaminants when its sealed connectors are fully mated. Power is transmitted through a 9 × 20 mm smooth shaft, which accepts standard clamp couplings without keyways. Two NTC thermal sensors embedded in the stator provide continuous winding temperature data to the drive. This temperature feedback allows the drive to reduce output or shut down the motor when an overload causes excessive heat.

Feedback Device
Resolver
Feedback Precision
±10 arcmin / 8192 incr/rev
Length Without Brake
171 mm
Locked-rotor Current
1.3 A
Locked-rotor Torque
0.95 Nm
Mass Without Brake
1.6 kg
Protection Type
IP67
Rated Speed
6000 min^-1
Rotor Inertia
2.5e-5 kgm²
Shaft Size
Ø9 x 20 mm
Shaft Style
Smooth Shaft
Thermal Sensor
Two NTCs
Torque Constant
0.73 Nm/A

Frequently Asked Questions about SR-A0.0009.060-10.000:

Q: What type of feedback device does the SR-A0.0009.060-10.000 motor use?

A: The SR-A0.0009.060-10.000 uses a resolver as its feedback device.

Q: What is the protection rating of the SR-A0.0009.060-10.000 servo motor?

A: This servo motor features a protection rating of IP67 for dust-tight and water-resistant operation.

Q: What are the shaft dimensions and style of the SR-A0.0009.060-10.000 motor?

A: The smooth shaft on this model measures 9 mm in diameter and 20 mm in length.

Q: What is the locked-rotor torque of the SR-A0.0009.060-10.000 motor?

A: The locked-rotor torque for this servo motor is rated at 0.95 Nm.

Q: What type of thermal sensors are present in the SR-A0.0009.060-10.000 servo motor?

A: This model is equipped with two NTC thermal sensors for temperature monitoring.


Internal Product Review

  • ‘‘The SR-A0.0009.060-10.000 is a Bosch Rexroth Indramat synchronous servo motor with resolver feedback and IP67 protection. Rated speed of 6000 min^-1 and a torque constant of 0.73 Nm/A support fast, efficient servo response in demanding motion applications. A very capable motor for sealed automation installations where accuracy and speed carry equal importance.’’

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