Technical Parameters General Data Manufacturer: Kollmorgen Series: AKM Servo Motor Series Model: AKM31C-RNS2LB04 Motor Type: Brushless synchronous AC servo motor Frame Size: 70 mm class (AKM31 platform) Rotor Stack Length: 3 Winding Type: C winding Electrical Data Rated Supply Voltage: Compatible with Kollmorgen AKD servo drives Maximum DC Bus Voltage: up to 640 VDC Commutation: Sinusoidal commutation Control Mode: Closed-loop position, speed, and torque control Performance Data (Typical AKM31 Platform Range) Continuous Stall Torque: ~1.6–2.1 Nm class (depends on winding variant) Peak Torque: ~6–7 Nm class (typical AKM31C range) Maximum Speed: up to 8000 rpm Mechanical Data Shaft Type: Keyed shaft Mounting: IEC standard flange (70 mm class) Connector Type: Dual industrial rotatable connectors (SpeedTec / IP65 type) Brake: 24 VDC holding brake included Cooling: Natural convection Protection Class: IP65 (connector system dependent) Rotor Inertia: Low inertia design for fast dynamic response Feedback System Encoder Type: Resolver feedback system (industrial rugged design) Function: Position and velocity feedback for closed-loop servo control Feature: High resistance to vibration, dust, and electromagnetic interference Advantage: Very reliable for harsh industrial environments Environmental Conditions Operating Temperature: 5°C to 40°C Duty Cycle: Continuous duty (S1) Installation: Industrial machine integration Resistance: Suitable for vibration and EMI industrial environments Application Areas Packaging machinery Industrial robotics Printing and converting systems Material handling equipment Semiconductor auxiliary automation General factory automation systems