Product Description:

The AKM72L-ACCNC-00 is a rotary actuator from Kollmorgen’s AKM Synchronous Servo Motors series. As a permanent-magnet servo motor, it converts commanded current from a matched drive into precise torque and speed for indexing tables, packaging axes, and other closed-loop motion stages on the factory floor. The unit uses an IEC flange, SpeedTec connectors, and a keyway shaft, which helps it fit common industrial machine layouts and standard coupling hardware. This combination supports straightforward mounting and clean cable routing where compact servo packages are needed.

Its continuous output includes a rated torque of 30 N-m at a continuous stall current of 11.5 Arms. When rapid acceleration is needed, the motor can develop 79.5 N-m while drawing up to 34.5 Arms, which is useful for short motion bursts and fast indexing moves. A torque constant of 2.6 N-m/Arms links phase current to produced torque in a direct way that supports predictable control response. The back electromotive force constant is 168.5 Vrms/kRPM, so the selected drive must provide enough voltage headroom as speed rises.

Phase inductance of 13.6 mH moderates current ripple and helps smooth electrical response during command changes. Rotor inertia of 0.00645 kg-m² gives the motor a moderate inertial load, which suits axes that need a balance between quick acceleration and steady coupling to the driven mechanism. The motor weighs 19.7 kg, so moving structures and mounting surfaces must be able to support the assembly without adding unwanted flex. It uses a 10-pole magnetic circuit and winding designation L, and its 46-minute thermal time constant shows that heat buildup and cooling occur over a gradual interval. Single-turn inductive SFD feedback with four signal lines supplies position information to the drive, and the motor comes without an integrated brake, so any holding function must be provided elsewhere in the system.