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M.1015.8000 Kollmorgen

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The Kollmorgen M.1015.8000 is part of the HSM Brushless Servo Motors series and features a continuous stall torque of 6.8 Nm with a rated speed of 4000 RPM. It has a brake holding torque of 10.2 Nm, a shaft diameter of 19 mm, and operates at a voltage class of 230 V. This servo motor has a winding resistance of 0.69 ohms and its length with brake is 317 mm.

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Product Description:

The M.1015.8000 is a brushless servo motor manufactured by Kollmorgen for the HSM Brushless Servo Motors series. This framed motor converts drive current into precise rotary motion for indexing tables, gantry axes, and automated assembly heads. By pairing a permanent-magnet rotor with an integrated electromagnetic brake, the device provides stable position holding and supports the high-speed movements required by contemporary automation cells. As part of a closed-loop servo drive, the motor supplies controlled torque and speed while maintaining compact dimensions suitable for densely arranged multi-axis machinery.

For dynamic duty, the motor is rated to reach 4000 rpm. At standstill, it can supply a continuous torque of 6.8 Nm while drawing a continuous phase current of 16.0 A; these values indicate the motor’s thermally limited operating range. A torque constant of 0.50 Nm/A relates the current commanded by the drive to the motor’s mechanical output. The back electromotive force constant of 60 V/krpm indicates the generated voltage that the controller must counteract during regenerative operation. Copper losses are affected by a winding resistance of 0.69 Ω. Heat leaves the stator through a thermal path of 0.57 °C/W, allowing temperature rise to be evaluated during extended operating cycles.

The integrated holding brake operates from a 90 V DC supply and requires a coil current of 0.26 A DC. Once energized, it restrains the shaft with a static torque of 10.2 Nm and limits lost motion to 44 arcminutes. The overall motor length with the brake fitted is 317 mm, while the combined rotor and brake assembly presents an inertia of 0.00054 kg·m² to the drive. The power electronics connect to a 230 V voltage-class winding, which has an inductance of 3.3 mH. Mechanical coupling is provided through a shaft with a diameter of 19 mm, allowing connection to compatible servo flanges and couplings.

Back Emf Constant
60 V/kRPM
Brake Coil Current
0.26 ADC
Brake Holding Torque
10.2 Nm
Brake Voltage
90 VDC
Continuous Stall Current
16.0 A
Continuous Stall Torque
6.8 Nm
Length With Brake
317 mm
Max Brake Backlash
44 arcmin
Rated Speed
4000 RPM
Rotor Inertia (brake)
0.00054 kg-m2
Shaft Diameter
19 mm
Thermal Resistance
0.57 C/W
Torque Constant @25c
0.50 Nm/A
Voltage Class
230 V
Winding Inductance
3.3 mH
Winding Resistance
0.69 ohm

Frequently Asked Questions about M.1015.8000:

Q: What is the rated speed of the M.1015.8000 servo motor?

A: The M.1015.8000 motor has a rated speed of 4000 RPM.

Q: What continuous stall torque does the M.1015.8000 supply?

A: This servo motor provides a continuous stall torque of 6.8 Nm.

Q: How much brake holding torque does the M.1015.8000 offer?

A: The brake on this model delivers a holding torque of 10.2 Nm.

Q: What is the shaft diameter of the M.1015.8000 motor?

A: The M.1015.8000 motor features a shaft diameter of 19 mm.

Q: What voltage class does the M.1015.8000 support?

A: This model has a voltage class of 230 V.


Internal Product Review

  • ‘‘The M.1015.8000 is a Kollmorgen HSM brushless servo motor with a 230 V class design and a 4000 RPM rated speed. Continuous stall torque of 6.8 Nm with 16.0 A continuous stall current supports stable torque delivery and confident low-speed performance. A 10.2 Nm holding brake at 90 VDC adds secure axis retention, making this motor a strong choice for precise servo applications.’’

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