M.1015.6959 Kollmorgen
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The Kollmorgen M.1015.6959 is part of the NSM Brushless Servo Motors series and weighs 4.7 kilograms. This motor delivers a continuous torque of 1.8 newton-meters and a peak torque of 5.7 newton-meters, with a top speed of 3600 RPM. It is designed with a back emf constant of 49 volts per kRPM, and features a 5000 line encoder but does not include a brake option.
Internal Product Review
The M.1015.6959 is a Kollmorgen NSM brushless servo motor with 1.8 N·m continuous torque and 5.7 N·m peak torque. A 5000-line encoder and 3600 RPM top speed support accurate feedback and responsive motion control. Strong electromechanical balance makes the motor a dependable choice for precise servo applications.
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Product Description:
The M.1015.6959 is a brushless servo motor manufactured by Kollmorgen for the NSM Brushless Servo Motors series. This permanent-magnet unit converts electrical power into precisely regulated motion, making it suitable for indexing tables, pick-and-place gantries, and other closed-loop industrial axes. Its frameless construction minimizes cogging, and because the model is supplied without a holding brake, mechanical clamping must be provided when the load must remain stationary after power is removed. In machine tools and packaging lines, the motor integrates with digital drives to synchronize position, velocity, and torque according to programmable motion profiles.
During continuous operation, the unit produces a torque of 1.8 N·m, which indicates the load it can carry indefinitely while staying within its thermal limits. For short transients, it can reach a peak output of 5.7 N·m, providing extra force for rapid acceleration or overcoming friction. The stator winding is rated for 230 V, so a compatible drive can supply power without requiring a step-up transformer. The motor has a phase resistance of 2.8 Ω, which influences current draw and power loss in the winding. Its maximum mechanical speed is 3600 rpm, establishing the upper operating speed for the connected system.
The back electromotive force constant is 49 V/krpm, indicating the voltage returned to the inverter as motor speed increases. The torque constant is 0.41 N·m/A, so each ampere of phase current produces the stated amount of torque. Current ripple is moderated by a phase inductance of 11.0 mH, which supports stable current regulation by the drive. With a mass of 4.7 kg and a rotor inertia of 0.00024 kg·m², the motor can respond quickly to acceleration and deceleration commands while maintaining controlled motion. The optical encoder outputs 5,000 lines per revolution, providing detailed position feedback for closed-loop speed and position control.
