M.1015.6976 Kollmorgen
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The Kollmorgen M.1015.6976 is part of the YSM Brushless Servo Motors series and operates with a motor winding voltage of 230 V and a maximum speed of 4500 rpm. It features a brake holding torque of 0.637 Nm, a brake coil current of 0.31 A, and has an encoder with 2000 pulses per revolution. The servo motor supports standard axial and radial loads of 8 kg and 20 kg, respectively.
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Product Description:
The M.1015.6976 is a brushless servo motor manufactured by Kollmorgen within the YSM Brushless Servo Motors series. It is designed for precision industrial automation tasks where closed-loop speed and position control are critical, such as coordinated axes in pick-and-place systems or light machining spindles. By combining a permanent-magnet rotor with a digital feedback interface, the unit converts drive commands into accurately metered rotary motion across its intended speed range.
The electromagnetic brake engages at 24 VDC and draws only 0.31 A, allowing low-power holding during power-off events. When activated, it supplies 0.637 Nm of static torque, which secures the shaft against the 0.022 Nm running friction torque and typical reflected loads. The brake subassembly weighs 1.8 kg and adds 0.000020 kg·m² of inertia, which the servo drive must account for in acceleration profiles. Continuous operation is supported by a sine-wave torque constant of 0.22 Nm/A. The back EMF constant of 27 V/krpm indicates the voltage regenerated into the drive during dynamic deceleration. The motor has a maximum mechanical speed of 4500 rpm. Its windings are rated for 230 V and have a resistance of 3.2 Ω, which limits steady-state current.
An optical encoder provides 2000 pulses/rev of incremental feedback, giving the controller fine angular resolution for contouring moves. The shaft can accept a standard radial load of 20 kg and an axial load of 8 kg without exceeding calculated bearing limits, making the motor suitable for belt drives or moderate-thrust couplings. Electrical response is influenced by a phase inductance of 12 mH, which works with the winding resistance to control current ripple at high pulse-width modulation frequencies. Heat generated under demanding duty cycles is conducted through the frame with a thermal resistance of 1.3 °C/W. An adequate mounting surface or forced airflow helps maintain continuous torque delivery without thermal derating.
