AKM44J-ACCNDA-00 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen AKM44J-ACCNDA-00 is part of the AKM Synchronous Servo Motors series and features an 84 mm frame and IEC flange configuration with accuracy N. It has a keyway shaft, no brake system, and comes with two SpeedTec Ready connectors. The servo motor uses a single turn optical EnDAT 2.1 encoder for feedback, with resolutions of 512 and 2048 lines per revolution.
Internal Product Review
The AKM44J-ACCNDA-00 is a Kollmorgen AKM synchronous servo motor with an EnDAT 2.1 encoder and 512/2048 lines/rev feedback resolution. Single-turn optical feedback and 2 SpeedTec Ready connectors support precise position capture and efficient machine integration. A keyway shaft and brake-free configuration make the motor a clean, dependable choice for servo axes focused on accurate feedback.
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Product Description:
The AKM44J-ACCNDA-00 servo motor is manufactured by Kollmorgen within the AKM Synchronous Servo Motors series. As a brushless AC unit intended for industrial automation, it converts drive current into precise torque for positioning axes, pick-and-place heads, and packaging machinery. The motor belongs to the modular AKM family, allowing users to select windings, feedback devices, and mechanical interfaces that match their motion profiles. It operates as part of a closed-loop servo system in which the drive reads encoder data and adjusts phase currents to maintain the commanded speed or position.
Control cabling is simplified by two SpeedTec-ready connectors, which allow the power and feedback connections to lock with a quarter-turn while maintaining correct pin alignment. Rotor motion is reported through an EnDat 2.1 encoder, an absolute serial interface that carries position and diagnostic data over two differential pairs. Inside the encoder, glass scales provide 512/2048 lines per revolution, allowing the drive to process incremental counts and absolute markers with high precision. The single-turn optical encoder supplies absolute position data for one mechanical revolution without requiring batteries or gear reductions. The sensing assembly is identified as ECN1113/1313, indicating compatibility with the associated scanning head, resolution, and mechanical envelope. The unit is supplied without a holding brake, reducing axial length for applications that rely on drive torque or an external mechanism to maintain position while stopped.
The housing has an IEC flange with accuracy class N, allowing it to bolt directly to compatible planetary gearboxes or cast machine plates without adapters. Its frame width is 84 mm, placing it in the AKM size 4 envelope while providing thermal mass that supports continuous torque for medium-inertia loads. The rotor stack corresponds to length index 4, using an extended iron core to increase peak torque without increasing the frame width. The output shaft has a keyway, providing positive engagement with compatible couplings or timing pulleys. The electromagnetic circuit uses winding code J, which indicates the conductor diameter and turn count selected for the intended voltage and current combination. This winding must be paired with a compatible servo drive so the motor receives suitable phase current throughout its operating range.
