M.1015.6950 Kollmorgen
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The Kollmorgen M.1015.6950 is part of the NSM Brushless Servo Motors series and offers a continuous torque of 0.5 Nm and a peak torque of 1.4 Nm. The motor features a back EMF constant of 22 V per kRPM and a brake voltage of 24 VDC. It has a winding resistance of 4.9 Ohms at 25°C and a torque constant of 0.18 Nm per Amp.
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Product Description:
The M.1015.6950 brushless servo motor is produced by Kollmorgen within the NSM Brushless Servo Motors series. Designed for closed-loop positioning systems, the unit converts drive current into precise shaft torque and speed. It supports controlled motion in pick-and-place axes, electronic assembly tables, and other automated equipment that requires repeatable positioning.
At its continuous rating, the motor delivers 0.5 Nm of torque, allowing sustained motion without exceeding thermal limits. For short acceleration bursts, it can reach a peak output of 1.4 Nm, providing additional torque for rapid indexing or overcoming breakaway friction. The electromagnetic design produces torque in proportion to current with a constant of 0.18 Nm/A, allowing current demand to be calculated directly from load requirements. A back electromotive force constant of 22 V/kRPM indicates the voltage returned to the inverter at a given speed and assists with DC bus and regenerative hardware sizing. An integral fail-safe brake engages when control power is removed and is released by a 24 VDC supply. This brake can hold vertical loads or prevent shaft drift while the equipment is powered down.
The continuous ratings assume that the motor is mounted to a heat sink measuring 0.25 in × 8 in × 8 in, which transfers stator losses into the machine frame. The shaft bearings can accommodate a radial load of 8 kg at 1,000 rpm, supporting belt tension or pinion forces without premature wear. The phase-to-phase inductance is 8.1 mH, which filters current ripple and influences the current loop bandwidth of the drive. The phase-to-phase resistance is 4.9 Ω at 25 °C, providing the value needed to calculate copper losses and steady-state heating. Appropriate mounting and airflow help prevent excess temperature rise during sustained operation. Bearing loads should remain within the stated limit when the motor drives a belt, gear, or other component that applies radial force to the shaft.
