AKM42G-KKDNCA-00 Kollmorgen
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The Kollmorgen AKM42G-KKDNCA-00 is part of the AKM Synchronous Servo Motors series and has a frame dimension of 84 mm. It features an open keyway shaft detail and uses a single-turn, inductive SFD3 feedback system with two feedback lines. This servo motor is designed without a brake and offers a hybrid connector arrangement.
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Product Description:
The AKM42G-KKDNCA-00 is a brushless synchronous servo motor manufactured by Kollmorgen and positioned within the AKM Synchronous Servo Motors series. This model provides continuous, tightly regulated torque for indexing tables, delta robots, and other precision axes used in packaging, semiconductor, and assembly systems. When paired with a compatible drive, it converts commanded current into repeatable shaft motion for accurate speed control and positioning. Its compact form and closed-loop operation make it suitable for machinery that depends on stable motion during frequent starts, stops, and direction changes.
In this size-42 frame, the motor housing spans 84 mm across the flange, giving the unit a predictable mounting footprint in compact machine layouts. The electromagnetic circuit uses a G winding that matches the motor to mid-range drives and supports a balanced combination of acceleration capability and thermal behavior. Power, feedback, and brake conductors are grouped in a single hybrid interface, and the unit is supplied with 1 i-tec Hybrid or SpeedTec Ready Hybrid connector for straightforward cable routing. Position data are captured by an SFD3 sensor that transmits on 2 lines and is packaged in the size 10/15/21 encoder format, allowing direct connection to compatible Kollmorgen digital drive inputs without additional adapters.
The motor is supplied without a brake, so holding at standstill must be provided by drive torque or an external device when power is removed. The sensor head delivers single-turn inductive feedback, which avoids optical disks and helps the feedback system tolerate dust and oil in industrial settings. Output torque is transferred through an open keyway on the shaft, which supports secure hub connection and straightforward alignment with driven components. The magnetic stack uses rotor length index 2, giving the motor a practical balance between rotor inertia and continuous torque for moderate-load axes that require responsive motion and stable settling behavior.
