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SR-A2.0026.060-00.015 Bosch Rexroth Indramat

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The Bosch Rexroth Indramat SR-A2.0026.060-00.015 is part of the SR Synchronous Servo Motors series and utilizes a resolver encoder with a resolution of 8192 increments per revolution. It offers a rated speed of 6000 rpm, locked rotor torque of 2.7 Nm, and operates with a DC link voltage of 670 V. The motor features radiation and natural convection cooling and has a noise level of 58 dB(A).

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Product Description:

The SR-A2.0026.060-00.015 is a synchronous servo motor manufactured by Bosch Rexroth Indramat within the SR Synchronous Servo Motors series. Supplied in an IM B5 flange-mount configuration, it serves as a direct-drive actuator for precision industrial equipment such as indexing tables, miniature gantries, and assembly heads. The motor converts regulated electrical power into controlled mechanical rotation, allowing automation controllers to apply accurate torque and speed profiles on axes where space, weight, and acoustic emissions must remain low. A compact stator stack and low-profile end bell make the motor suitable for cabinet-internal spindle positions and overhead mounting orientations.

The motor has a rated speed of 6000 rpm and a torque constant of 0.78 Nm/A, enabling predictable torque generation from the current loop. The power stage operates from a DC link stabilized at 670 V, so the paired inverter must support this voltage class. Dynamic response benefits from a rotor inertia of 4 × 10⁻⁴ kg·m², reducing settling times without compromising stability. Thermal energy passes into the surrounding air through radiation and natural convection, eliminating the need for fans. Position feedback is provided by a resolver with a precision of ±10 angular minutes. Two NTC temperature sensors report winding temperature to the drive. Under rated load, the motor produces 58 dB(A), allowing installation near occupied work areas where low acoustic output is important.

Startup and stall events are supported by a locked-rotor torque of 2.7 Nm and a peak current of 3.5 A. The feedback channel provides 8192 increments per revolution, permitting fine position and velocity estimation throughout the operating speed range. The motor has a shock resistance of 6 g, allowing it to withstand transport impacts and machine-borne jolts. Resolver feedback also resists electrical noise that could otherwise interfere with position signals in electronics assembly equipment, small robotic systems, and automated feeders.

Cooling Method
Radiation And Natural Convection
Dc Link Voltage
670 V
Encoder Precision
±10 Angular Min
Encoder Resolution
8192 incr/rev
Encoder Type
Resolver
Locked Rotor Current
3.5 A
Locked Rotor Torque
2.7 Nm
Noise Level
58 dB(A)
Rated Speed
6000 rpm
Rotor Inertia
4 x 10^-4 kg·m²
Shock Resistance
6 g
Temperature Sensors
2 NTCs
Torque Constant
0.78 Nm/A
Type Of Construction
IM B5

Frequently Asked Questions about SR-A2.0026.060-00.015:

Q: What cooling method is used in the SR-A2.0026.060-00.015 servo motor?

A: The SR-A2.0026.060-00.015 motor uses radiation and natural convection as its cooling method, operating without forced ventilation.

Q: What is the encoder resolution of the SR-A2.0026.060-00.015?

A: This model has an encoder resolution of 8192 increments per revolution, which supports precise positioning.

Q: What is the locked rotor torque value of the SR-A2.0026.060-00.015 motor?

A: The locked rotor torque for the SR-A2.0026.060-00.015 is specified at 2.7 Nm.

Q: What is the rated speed for the SR-A2.0026.060-00.015 servo motor?

A: The SR-A2.0026.060-00.015 motor operates at a rated speed of 6000 rpm under standard conditions.

Q: Which type of encoder is included in the SR-A2.0026.060-00.015?

A: A resolver is used as the encoder type on the SR-A2.0026.060-00.015, offering reliable feedback for the system.


Internal Product Review

  • ‘‘The SR-A2.0026.060-00.015 is a Bosch Rexroth Indramat synchronous servo motor with radiation and natural convection cooling. Resolver feedback with 8192 incr/rev gives the motor precise position information for stable servo response. A rated speed of 6000 rpm makes this model an excellent fit for dynamic motion systems.’’

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