AKM42E-EKM22-00 Kollmorgen
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The Kollmorgen AKM42E-EKM22-00 is part of the AKM Synchronous Servo Motors series and features a standard customization level with an 84mm frame dimension. It is equipped with a 24V holding brake and an open keyway shaft detail. The servo motor uses a Comcoder feedback system with a resolution of 2048 lines per revolution and has single turn optical feedback.
Internal Product Review
The AKM42E-EKM22-00 is a Kollmorgen AKM synchronous servo motor featuring a Comcoder feedback system with 2048 lines/rev resolution. An open keyway shaft and 24V holding brake make this servo motor a strong technical choice for precise motion axes requiring secure coupling and dependable holding performance.
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Product Description:
The AKM42E-EKM22-00 synchronous servo motor is produced by Kollmorgen within the AKM Synchronous Servo Motors series. Designed for closed-loop industrial automation, it works with digital drives to provide accurate torque and speed control for pick-and-place heads, form-fill-seal stations, and indexing tables. Its compact housing includes an integrated optical feedback device, creating a direct-mount solution for machine frames with limited installation space. The motor can support repetitive positioning cycles in machinery that requires responsive acceleration and stable speed regulation.
The integrated 24 V holding brake keeps vertical or safety-critical axes stationary during downtime or emergency stops. An external housing width of 84 mm establishes the motor’s square flange dimensions and aligns with IEC pitch patterns for easy gearbox adaptation. Within that envelope, rotor length index 2 balances continuous torque against overall mass, enabling rapid acceleration without excessive heating. Position feedback has a resolution of 2048 lines/rev, providing fine incremental counts for drive interpolation. The signal originates from a Comcoder device that combines optical sensing with commutation tracks, allowing the drive to receive the rotor position immediately after power-up. These feedback signals help the connected drive regulate shaft movement throughout changes in speed and load.
The feedback system operates in a single-turn optical mode, supplying one complete revolution of absolute data before reverting to incremental counts. This arrangement simplifies homing routines on short-stroke axes and supports repeatable positioning after startup. Type code EPC 15T identifies the encoder electronics used for compatibility with Kollmorgen AKD and S300 drives. The motor is supplied at the Standard customization level, so its materials, seals, and connectors follow the baseline AKM configuration. Output torque is transferred through an open-keyway shaft, providing positive engagement with couplings while allowing straightforward alignment during assembly. The keyed interface helps prevent rotational slippage when the motor drives a rigid coupling, pulley, or gearbox input under changing torque loads.
