Product Description:

The AKM21G-BSCN2-03 servo motor is produced by Kollmorgen as part of the AKM Synchronous Servo Motors series. This brushless unit belongs to the AKM family of rotary actuators used in industrial automation. When paired with a digital drive, it positions loads with tight velocity and torque control. Its synchronous design supports controlled acceleration and repeatable stopping in compact motion systems.

It is supplied without a holding brake, allowing back-drivable axes that rely on drive torque or external locking when power is removed. Power and feedback cabling are simplified by its 2 SpeedTec Ready connectors, which support keyed, tool-less coupling on the housing. Rotor feedback is generated by a Comcoder that delivers 2048 lines/rev of incremental resolution. This device combines optical sensing with commutation tracks so the drive can close both position and phase loops through a single cable. The sensing hardware is a single-turn optical system, which is suitable for applications that do not require multi-turn absolute position retention. A compact 58 mm frame dimension helps the motor fit in space-constrained machinery such as small pick-and-place heads or packaging lanes.

Mechanical interface follows a NEMA flange pattern, so the motor can replace standard stepper or induction frames without redrilling. The shaft uses a special machining option that is suited for clamped or keyed couplings. The rotor stack is designated as index 1, giving a short axial length that lowers inertia for rapid speed changes. Encoder electronics use the EPC 15T protocol, ensuring electrical compatibility with Kollmorgen drives that expect that code set. Stator conductors carry the phase pattern identified by winding G, matching voltage constants to low-voltage, high-current amplifiers typically found on compact motion modules. This arrangement supports compact machine layouts where mounting depth, coupling alignment, and quick response are important.