Product Description:

The AKM21G-BNB22-00 servo motor is built by Kollmorgen and belongs to the AKM Synchronous Servo Motors series. This compact rotary actuator is used in industrial automation to deliver closed-loop torque and speed control for indexing tables, pick-and-place heads, and packaging axes. By combining rare-earth magnets with high-density windings, it provides high dynamic response while occupying little machine space. The ordering code reflects the frame size, rotor length, winding arrangement, and feedback hardware used on the motor.

The motor incorporates a 24 V holding brake, enabling secure load retention during power loss or emergency stops. Electrical terminations are handled through two SpeedTec Ready connectors, which use quarter-turn locking plugs for a secure connection. Position data is generated at 2048 lines/revolution, providing fine incremental resolution for servo loops that require stable velocity control. This signal is produced by a Comcoder sensor that combines Hall tracks with incremental encoding for simplified cabling. Mechanical attachment is supported by NEMA flange standards, permitting direct coupling to common reducers and linear stages. The motor has a standard configuration, so its dimensional and electrical characteristics follow the normal series format.

Feedback is provided by a single-turn optical system, which suits applications where multi-turn absolute data is supplied elsewhere in the machine. The stator outer width measures 58 mm, helping keep the motor compact and supporting low inertia for rapid acceleration. Torque is transmitted through a smooth shaft, which avoids keyway stress risers and supports clamp-style couplings. The motor uses winding code G, which balances current draw with voltage requirements for 230 V class drives. EPC 15T coding is also used for this configuration, matching the standard profile for this motor line.