AKM42E-EKCN2-00 Kollmorgen
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The Kollmorgen AKM42E-EKCN2-00 is part of the AKM Synchronous Servo Motors series and features a frame dimension of 84 millimeters. This servo motor has a comcoder feedback system with 2048 lines per revolution and uses single turn optical feedback. It comes with 2 SpeedTec Ready connectors and an open keyway shaft, and operates without a brake.
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Product Description:
Kollmorgen manufactures the AKM42E-EKCN2-00 as a member of the AKM Synchronous Servo Motors series. This permanent-magnet servo motor is installed in industrial automation cells where precise position and velocity control are required. When coupled with a digital drive, it delivers tightly regulated shaft torque so that pick-and-place heads, indexing tables, or packaging axes can execute repeatable motion sequences within short cycle times. This operating role also supports accurate starts, stops, and speed changes in compact servo-driven equipment.
The motor is built on an 84 mm frame, a flange size that sets the mounting bolt pattern and overall envelope in multi-axis machines. A shaft machined with an open keyway allows torque transfer through standard keyed couplings without special hubs. Power and feedback are routed through 2 SpeedTec Ready connectors; these quarter-turn plugs help keep cable attachment secure while maintaining shielding continuity. The unit is supplied without an integrated brake, so any static holding function must be provided elsewhere when power is removed. Motion feedback resolution reaches 2048 lines/rev, allowing the drive to close the control loop with fine angular measurement. The rotor length index is 2, providing a mid-range stack height that balances torque output against motor weight. This layout suits machines that need a compact motor while still maintaining responsive closed-loop motion.
The encoder stage uses single-turn optical feedback, so absolute position within one revolution is available at startup without battery support. Its sensing element is the Comcoder, a compact hybrid that combines commutation tracks and incremental channels to simplify feedback wiring. Identification code EPC 15T indicates the signal format used with compatible Kollmorgen drives. Windings are produced to winding code e, matching the motor's electrical behavior to suitable drive electronics on standard DC bus systems. The standard configuration uses the regular mechanical and electrical option set rather than special build features. This feedback and winding arrangement supports stable commutation during acceleration, speed regulation, and repeatable positioning in typical industrial duty cycles.
