Key Technical Parameters Motor Series: Kollmorgen AKM synchronous servo motor Frame Size: AKM22 (58 mm flange class) Rotor Stack Length: G stack Winding Type: G winding Shaft Type: Keyway or smooth shaft (variant dependent) Holding Brake: Not included (no brake version) Feedback System: ACSN2 high-resolution absolute encoder system (variant-dependent, typically Kollmorgen commutation + absolute position feedback family) Connector Type: Industrial IP65 rotatable connectors Mounting: IEC standard flange mounting Protection Class: IP65 (with connectors installed) Performance Data (Typical AKM22G Range) Max Speed: up to 8000 rpm Continuous Torque: ~0.16 – 1.5 Nm (depends strongly on winding/configuration) Peak Torque: ~4 – 6 Nm class Rated Power: ~0.1 – 0.6 kW class Rotor Inertia: very low inertia (~1.5–4.0 × 10⁻⁵ kg·m² range) Electrical Characteristics (Typical AKM22 G Winding) Continuous Current: ~1.5 – 3.5 Arms Peak Current: ~8 – 15 Arms Torque Constant (Kt): ~0.10 – 0.25 Nm/A (varies widely by winding) Back EMF Constant: ~10 – 25 Vrms / krpm Phase Resistance: ~2 – 6 Ω (variant dependent) Functional Features Ultra-compact 58 mm frame with flexible torque variants Low cogging torque for smooth low-speed control High dynamic response for fast positioning systems High-resolution absolute feedback for precise motion control Compatible with Kollmorgen AKD / AKD2G servo drives Industrial IP65 sealed design Suitable for continuous duty automation operation Typical Applications Compact robotics systems Semiconductor handling equipment Packaging and labeling machines Pick-and-place automation Light CNC auxiliary axes