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SR-L0.0004.060-14.000 Bosch Rexroth Indramat

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The Bosch Rexroth Indramat SR-L0.0004.060-14.000 is part of the SR Synchronous Servo Motors series. This motor features a rated speed of 6000 min-1, flange size of 55 mm, and operates with natural convection cooling. It has a brake torque of 1.0 Nm at a brake voltage of 24 VDC and utilizes a resolver feedback type with 8192 increments per revolution.

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Product Description:

The SR-L0.0004.060-14.000 is a compact synchronous servo motor produced by Bosch Rexroth Indramat for the SR Synchronous Servo Motors series. It is intended to provide closed-loop velocity and position control in industrial automation axes where limited mass and fast speed changes are required. The motor couples directly to lightweight mechanical stages, converting electrical input from a matched drive into regulated rotary motion for pick-and-place heads, feeders, or small conveyor segments. This layout suits compact axes that need quick reversals and steady positioning over repeated cycles.

The holding system relies on a permanent-magnet brake that engages at 24 VDC and can resist back-driving with 1.0 Nm of static torque, while the coil draws only 0.5 A to reduce standby power. During operation, the frame is cooled by natural convection, so airflow inside the machine cabinet must be managed appropriately. The drive supplies the windings from a DC link stabilized at 670 VDC, allowing the rotor to reach a rated mechanical speed of 6000 rpm without saturation. Torque production scales with current at 0.62 Nm/A, so each additional ampere produces a predictable increase in load torque. Locked-rotor current is 0.65 A, so stalling protection should intervene before excess heating occurs when the shaft cannot turn.

Position feedback is handled by a resolver that gives the controller an interpolated resolution of 8192 increments per revolution, enabling smooth interpolation at high speed. The motor uses a square 55 mm mounting flange that mates with standard IEC motor plates, and the precision-ground shaft measures 9 mm in diameter by 20 mm in length for direct coupling to small pulleys or gearheads. The rotating assembly has a low inertia of 0.09 × 10^-4 kgm², so acceleration ramps remain steep even with added tooling mass. When power is first applied, the drive may see a brief stall torque of 0.4 Nm, and that condition should be coordinated with the current limiter to avoid unnecessary trips during machine homing.

Brake Current
0.5 A
Brake Torque
1.0 Nm
Brake Voltage
24 VDC
Cooling
Natural Convection
Dc Link Voltage
670 VDC
Feedback Resolution
8192 incr./rev
Feedback Type
Resolver
Flange Size
55 mm
Locked-rotor Current
0.65 A
Locked-rotor Torque
0.4 Nm
Rated Speed
6000 min-1
Rotor Inertia
0.09 x10^-4 kgm2
Shaft Size
Ø9 x 20 mm
Torque Constant
0.62 Nm/A

Frequently Asked Questions about SR-L0.0004.060-14.000:

Q: What is the brake voltage required for the SR-L0.0004.060-14.000 servo motor?

A: The brake voltage for this servo motor is 24 VDC.

Q: What feedback resolution does the SR-L0.0004.060-14.000 servo motor offer?

A: This model provides a feedback resolution of 8192 increments per revolution.

Q: What is the flange size of the SR-L0.0004.060-14.000 servo motor?

A: The SR-L0.0004.060-14.000 has a flange size of 55 mm, ensuring compatibility with appropriately sized mountings.

Q: What cooling method is utilized by the SR-L0.0004.060-14.000 servo motor?

A: Natural convection is used as the cooling method for this motor.

Q: What is the rated speed of the SR-L0.0004.060-14.000 servo motor?

A: The rated speed of this servo motor is 6000 min-1.


Internal Product Review

  • ‘‘The SR-L0.0004.060-14.000 is a Bosch Rexroth Indramat synchronous servo motor that stands out with natural convection cooling and a 6000 min-1 rated speed. Resolver feedback with 8192 incr./rev supports precise commutation and stable positioning in demanding servo applications. A 24 VDC brake with 1.0 Nm torque adds dependable holding performance, making this an excellent motion-control option.’’

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