AKM21G-SSMNEH-02 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen AKM21G-SSMNEH-02 is part of the AKM Synchronous Servo Motors series and features a 58mm frame dimension with a special flange configuration. This servo motor has a special shaft detail, a rotor length index of 1, and does not include a brake system.
Internal Product Review
The AKM21G-SSMNEH-02 is a Kollmorgen AKM synchronous servo motor with a special flange. The brake-free configuration and special shaft detail support clean mechanical integration in custom motion assemblies. A well-executed motor choice for applications requiring tailored mounting and dependable servo performance.
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Product Description:
The AKM21G-SSMNEH-02 servo motor is manufactured by Kollmorgen and belongs to the AKM Synchronous Servo Motors series. This compact rotary unit serves motion axes in industrial automation, converting drive-controlled stator currents into accurately regulated torque and speed for light pick-and-place heads, electronics assembly tables, and miniature conveyor stations. Its compact housing permits installation in confined machine areas while maintaining the feedback performance needed for precise positioning. The motor is intended for applications that require responsive motion from a relatively small mechanical package.
The motor uses a common resolver interface that supports position feedback for closed-loop operation with a compatible servo drive. The unit is supplied without a brake, so static holding torque must be provided by the drive or an external clamp whenever power is removed. A housing diameter of 58 mm provides a compact mounting footprint for installation against suitable gearboxes or machine plates. The electromagnetic characteristics are associated with winding designation G, which provides phase resistance and inductance suitable for compatible low-voltage DC bus drives. This winding also supports the current transients required for rapid acceleration in lightweight motion systems.
A special flange pattern replaces the conventional IEC mounting face and allows the motor to connect directly to proprietary adapter rings. The special shaft geometry accommodates non-keyed couplings such as collets or integral pinions. The active iron length is identified by rotor length index 1, indicating a short magnetic stack with relatively low rotational inertia. Reduced inertia allows the shaft to accelerate, decelerate, and reverse direction quickly under servo control. The tailored flange and shaft interfaces support installations that cannot use conventional mounting patterns or standard keyed couplings.
