AKM44J-ANSNS-E2 Kollmorgen
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The AKM44J-ANSNS-E2 is a synchronous servo motor manufactured by Kollmorgen as part of the AKM Synchronous Servo Motors series. This motor features a special connector and feedback arrangement, an IEC flange with accuracy N, and an 84mm frame dimension. It is built without a brake and uses a smooth shaft design.
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Product Description:
The AKM44J-ANSNS-E2 is a permanent-magnet servo motor produced by Kollmorgen for the AKM Synchronous Servo Motors series. Designed for closed-loop control of position, speed, and torque, the unit interfaces directly with digital drives to move gantries, indexing tables, and packaging axes in industrial automation. Its compact external dimensions and high dynamic capability allow the motor to fit into machine frames where precise motion is required without increasing the equipment footprint. The permanent-magnet design provides responsive torque generation for applications that require frequent acceleration, deceleration, and directional changes.
Its square housing has a frame dimension of 84 mm, establishing mounting bolt patterns that match IEC metric gearboxes. The magnetic stack uses rotor length 4, which increases torque density without extending the frame size. The electrical design uses winding designation J, identifying the copper gauge and number of turns selected for medium-voltage, moderate-current drives. The motor mounts through an IEC flange with accuracy class N, which maintains concentricity suitable for high-resolution feedback and precise coupling alignment. Output torque is transferred through a smooth shaft, so couplings rely on interference fits or external clamping rather than keyways. This shaft arrangement also supports coupling systems that require an uninterrupted cylindrical mounting surface.
For applications that do not need static holding force, the motor is supplied without a brake, reducing rotor inertia and eliminating the need for brake wiring. Cable routing uses a special connector arrangement that differs from the standard AKM orientation, enabling harness entry around obstructions in compact machine installations. Rotor position is returned through a special feedback arrangement, allowing the sensing interface to work with drive electronics beyond the usual resolver or digital encoder options. The selected connector and feedback configurations should be matched with compatible cables and drive interfaces during system integration. When the axis must remain stationary after motor power is removed, holding force must be supplied by an external mechanical device or another suitable part of the machine.
