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M.1015.6965 Kollmorgen

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Internal Product Review

The M.1015.6965 is a Kollmorgen NSM brushless servo motor with 5.2 Nm continuous torque and 13.0 Nm peak torque. A 5000-line encoder and 3600 RPM encoder-limited top speed support precise motion control and stable high-speed operation. A 20,000 h bearing life rating makes the motor a strong long-service option for demanding servo axes.

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Product Description:

The M.1015.6965 is part of the NSM Brushless Servo Motors series manufactured by Kollmorgen. This brushless rotary unit is intended for closed-loop motion tasks such as indexing tables, pick-and-place axes, and electronic gear trains in automated machinery. Coupled to a drive, it converts regulated current into controlled shaft torque while an integrated optical encoder returns position data to the controller. Its mounting dimensions suit medium-power applications that demand consistent speed and torque.

Under continuous duty, the motor delivers 5.2 Nm of shaft torque when it is fastened to the recommended 0.50 × 12 × 12 in heat sink. When short bursts are allowed, the electromagnetic stack can reach a peak output of 13.0 Nm, supporting fast acceleration or brief load shocks. Voltage generated by the spinning rotor follows a back electromotive-force constant of 60 V/krpm; this value guides drive selection so the inverter can supply a suitable DC bus voltage. The torque constant is 0.50 Nm/A, linking commanded phase current directly to usable torque for simplified current-loop tuning. Winding characteristics include a phase resistance of 1.0 Ω, which affects I²R heating, and a phase inductance of 5.2 mH, which influences current ripple. The motor is rated for operation at ambient temperatures up to 40 °C. The specified bearing life is 20,000 hours.

The feedback device supplies 5,000 lines per revolution, allowing fine resolution for position loops, while the maximum shaft speed is 3,600 rpm for reliable encoder signal detection. A rotor inertia of 0.00113 kg·m² moderates speed changes, while the output shaft can accept a radial load of 89 kg at 500 rpm without exceeding bearing limits. The installed mass is 11.0 kg, which must be considered when selecting the mounting surface and supporting structure.

Back Emf Constant
60 V/kRPM
Bearing Life Basis
20,000 h
Continuous Torque
5.2 Nm
Encoder Line Count
5000 lines
Encoder-limited Top Speed
3600 RPM
Heatsink For Ratings
0.50 x 12 x 12 in
Peak Torque
13.0 Nm
Phase Inductance
5.2 mH
Phase Resistance
1.0 Ω
Radial Load At 500 Rpm
89 kg
Ratings Ambient
40°C
Rotor Inertia
0.00113 kg-m2
Torque Constant
0.50 Nm/A
Weight
11.0 kg

Frequently Asked Questions about M.1015.6965:

Q: What is the continuous torque output of the Kollmorgen M.1015.6965 servo motor?

A: The continuous torque output for the M.1015.6965 is 5.2 Nm.

Q: How many lines does the encoder of the M.1015.6965 provide?

A: This motor features an encoder with 5000 lines for precise feedback.

Q: What is the peak torque value for the M.1015.6965 servo motor?

A: The peak torque rating of this motor is 13.0 Nm, allowing for short bursts of high force.

Q: What is the encoder-limited top speed of the Kollmorgen M.1015.6965?

A: The maximum top speed, limited by the encoder, is 3600 RPM.

Q: What is the back EMF constant of the M.1015.6965 brushless servo motor?

A: This model has a back EMF constant of 60 V/kRPM.

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