AKM31H-ACSN2-02 Kollmorgen
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The Kollmorgen AKM31H-ACSN2-02 is part of the AKM Synchronous Servo Motors series and features a 70 mm frame with an IEC flange configuration. It uses a special connector arrangement and has a keyway shaft detail. The servo motor is equipped with a single turn optical Comcoder feedback system providing 2048 lines per revolution.
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Product Description:
The AKM31H-ACSN2-02 is a brushless servo motor manufactured by Kollmorgen as part of the AKM Synchronous Servo Motors series. It converts three-phase drive current into tightly controlled torque and shaft rotation, providing a compact actuator for packaging, electronic assembly, and material-handling axes that require high-bandwidth positioning. The motor integrates into distributed servo platforms where deterministic feedback and standardized mounting support connection to compatible servo drives. Its brushless design uses electronic commutation, avoiding the wear associated with mechanical brushes during repetitive operation.
The motor is supplied without a holding brake, which lowers rotating inertia for fast load cycles. A special connector arrangement positions the power and feedback terminations to accommodate specific cable-routing requirements. The embedded Comcoder transducer supplies incremental and absolute position data to the connected drive. This sensor provides a base optical resolution of 2048 lines per revolution, which the drive can interpolate for finer position counts. Identification code EPC 15T indicates the electrical interface, while the single-turn optical architecture reports absolute position within each mechanical revolution without requiring battery-backed memory. The square frame measures 70 mm across the flange, allowing installation in compact mechanical spaces without adapters.
Mechanical mounting follows the IEC flange standard with accuracy N, keeping concentricity and pilot tolerances within normal industrial limits. Torsional loads pass through a shaft machined with a keyway, providing positive engagement with pulleys, gears, and rigid couplings. The internal magnetic stack depth is indexed as 1; together with the H winding designation, it establishes the voltage constant and thermal profile for medium-inertia tasks. The common AKM mounting interface accommodates longer rotor configurations without requiring different flange hardware. Alternate winding selections change the available torque and electrical characteristics for use with the connected servo drive.
