Digital guide
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- KOLLMORGEN AKM44E-ANCN2-N
Detailed content
Key Specifications:
- Model Code Breakdown:
- AKM = Advanced Kinetics Motor
- 44 = Frame size 44 (flange dimension ~110 mm)
- E = Extended length variant (high torque density)
- A = Winding variant A (specific torque/speed curve)
- N = Natural convection cooling (no fan)
- C = Connector type C (M23 military-style connector)
- N = Feedback type N (EnDat 2.2 absolute encoder)
- 2 = Shaft variant 2 (keyed shaft with flat)
- N = Electrical brake: No brake
- Continuous Torque: 1.45 Nm (rated at 3000 RPM base speed)
- Peak Torque: 4.35 Nm (3× continuous, 10-second duration)
- Rated Speed: 3000 RPM (base speed)
- Max Speed: 6000 RPM (field weakening region)
- Rated Power: Approximately 0.45 kW (continuous) / 1.35 kW (peak)
- Encoder: EnDat 2.2, 2048 lines (11-bit single-turn) + 12-bit multi-turn absolute
- Feedback Resolution: 2048 × 4096 = 8,388,608 counts per revolution
- Insulation Class: Class F (155°C)
- Protection Rating: IP65 (with connector cap), IP67 (with sealed cable gland)
Structural Features:
- Frame Size: 44E (110 mm flange diameter)
- Overall Length: Approximately 260 mm (including shaft)
- Shaft Diameter: 19 mm
- Shaft Type: Keyed shaft with DIN 6885-1 keyway, 5 mm key
- Housing Material: Anodized aluminum alloy (high thermal conductivity)
- Weight: Approximately 2.1 kg
- Cooling: Natural convection (no fan, no external cooling required at rated load)
Electrical Parameters:
| Parameter | Value |
|---|---|
| Rated Voltage (DC Bus) | 300–480 VDC |
| Continuous Current | 2.8 A RMS |
| Peak Current | 8.4 A |
| Phase Resistance | 3.2 Ω (typical, 20°C) |
| Phase Inductance | 5.8 mH (typical) |
| Back-EMF Constant (Ke) | 6.5 V/krpm |
| Torque Constant (Kt) | 0.55 Nm/A |
| Rotor Inertia | 18 × 10⁻⁶ kg·m² |
| Mechanical Time Constant | 4.2 ms |
| Electrical Time Constant | 1.8 ms |
Advantages:
- Integrated absolute encoder eliminates homing sequence on power-up
- EnDat 2.2 provides noise-immune, high-resolution position feedback
- Compact form factor with high torque-to-inertia ratio
- Field-proven reliability in 24/7 industrial operation
- Fully compatible with AKD servo drives (plug-and-play tuning)
Applicable Industries: Pick-and-place machines, lab automation, medical devices, semiconductor wafer handling, small robotics joints
Installation Notes:
- Align coupling within 0.05 mm radial and 0.05° angular misalignment tolerance
- Use torque-controlled fasteners: shaft coupling bolts at 8 Nm
- Do not apply axial load exceeding 150 N on the shaft
- Ensure connector is sealed when operating in washdown environments












