Description
Key Technical Specifications
- Model Number: AKM42E-EKGNR-01
- Manufacturer: KOLLMORGEN. Series: AKM42
- Motor Type: Permanent Magnet Synchronous Servo
- Frame Size: AKM42
- Winding Code: E
- Feedback: E – Resolver
- Brake: K – Holding brake
- Shaft: G – Smooth shaft, no keyway
- Connector: N – Standard rotatable connectors
- Housing Seal: R – Standard IP65
- Voltage Class: 480V class
- Cooling: Natural convection
- IP Rating: IP65 (shaft seal and cable entry intact)
- Mounting: IEC metric flange
- Operating Temp Range: -20°C to +40°C ambient
Functional Role & Application Analysis
The AKM42E-EKGNR-01 is a mid-size AKM servo built for fast, repeatable motion. It delivers continuous torque in a compact frame, so machine builders can fit dynamic axes where larger motors cannot. The resolver feedback eliminates encoder glass scale and cable fragility issues common in dusty, vibrating plant environments. The integrated holding brake maintains position when power drops, a must for vertical axes or suspended loads.
This is not a low-cost general-purpose AC motor. It depends on a matched Kollmorgen drive and proper tuning to reach its rated acceleration. Mismatched drive current limits or poor cable shielding will cut performance and trigger false faults. When it fails, the affected axis loses positioning; production lines or automated stations often cannot bypass it.
- Use Case 1: Packaging machinery feed and cut axes, intermittent high acceleration cycles
- Use Case 2: Material handling, conveyor positioning and automated gantry vertical axes
- Use Case 3: OEM machine replacement and field retrofit for existing AKM42 resolver-based installations
Our Quality Standard & Testing Process
We understand that the cost of an unreliable part is far greater than its purchase price. We have established a rigorous, multi-stage testing process to ensure every product we ship is 100% functional. A motor that spins freely on the bench but has a weak brake or intermittent resolver signal can crash tooling. We do not stop at simple rotation checks.
- Visual & Component Inspection: Inspect shaft, flange, brake assembly, connectors and cables for impact damage, corrosion or degraded insulation.
- Insulation Resistance Test: Megger check phase-to-phase and phase-to-ground to rule out winding degradation.
- Brake Function Test: Apply and remove brake voltage; verify holding torque and no drag when released.
- Feedback Signal Test: Rotate shaft while monitoring resolver sine/cosine signals; confirm clean, noise-free position tracking.
- No-Load Run Test: Run motor on a compatible drive through multiple speed cycles; check for abnormal vibration, noise or temperature rise.
- Warranty Backing: Only units that pass all diagnostic tests ship with our full 12-month warranty. Test data is stored for traceability.
KOLLMORGEN AKM42E-EKGNR-01
Compatibility & Migration Paths
To ensure this AKM42E-EKGNR-01 is 100% compatible with your system, you must check these key compatibility points. Failure to verify this is a common project risk. Drive firmware, feedback type, cable shielding and mechanical interface all matter.
- Firmware/Hardware Revisions: Confirm your drive supports resolver feedback. Encoder-only drives cannot directly use this resolver motor without hardware change.
- Required Components: You need resolver cable, proper shield termination and matching drive current rating. A brake power supply must match the motor brake voltage.
- Replacement & Alternatives: This unit has resolver feedback, brake, smooth shaft and IP65 housing. A different suffix with encoder or keyed shaft is not a drop-in mechanical or electrical swap. If you need higher continuous torque, evaluate the next frame size in the AKM family instead of forcing this model.
- Get Expert Help: Unsure about drive compatibility or inertia mismatch? Send your drive model, cable length and load inertia for a free sizing check before ordering.
