M.1015.8011 Kollmorgen
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The Kollmorgen M.1015.8011 is a brushless servo motor from the HSM Brushless Servo Motors series with a peak torque of 52.2 Nm and a continuous torque of 20.9 Nm. It features a 230 V voltage class, a maximum operating speed of 3000 rpm, and a brake holding torque of 31.1 Nm at 24 VDC. The motor weighs 31.6 kg and has a rotor inertia of 0.0027 kg·m².
Internal Product Review
The M.1015.8011 is a Kollmorgen HSM brushless servo motor with 20.9 Nm continuous torque and 52.2 Nm peak torque. A 24 VDC brake delivering 31.1 Nm holding torque supports secure stopping and stable axis retention. Operation up to 3000 rpm makes the motor a strong choice for demanding servo applications.
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Product Description:
The M.1015.8011 is a brushless servo motor manufactured by Kollmorgen for the HSM Brushless Servo Motors series. Designed for closed-loop motion axes, the unit converts 230-volt drive power into precisely regulated shaft torque, enabling positioning, indexing, and velocity control in automated machinery. Its electromagnetic stack and integrated holding brake provide a compact package for medium-to-high-inertia loads that require accurate response and secure holding.
The motor delivers a continuous torque of 20.9 Nm, supporting a sustained load without overheating. During acceleration or shock events, it can generate up to 52.2 Nm of peak torque. The magnetic circuit remains controllable up to a maximum speed of 3000 rpm, allowing integration with standard 1:1 belt or direct-drive stages. A torque constant of 0.72 Nm/A relates drive current to shaft torque, while the back electromotive force constant is 80 V/krpm; both values support drive tuning. The 230-volt winding presents 2.2 mH of inductance and 0.18 Ω of resistance, so current loops can be closed rapidly without excessive I²R loss. Thermal resistance is 0.31 °C/W, indicating the rate of heat transfer from the stator to the surrounding air and helping establish the required airflow.
The integrated fail-safe brake operates at 24 VDC and draws 1.30 A DC. It clamps the shaft with 31.1 Nm of holding torque to secure vertical or indexing loads after drive power is removed. Overall length with the brake is 406 mm, and the assembly weighs 31.6 kg, factors that influence carriage sizing and gantry counterbalancing. The rotor has an inertia of 0.0027 kg·m², which moderates speed response and helps minimize overshoot during rapid motion. The bearings tolerate a radial load of 259 lb at the rated speed, supporting operation with pulley, gear, or pinion interfaces.
