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- Kollmorgen AKM31C-ANCNR-0
Detailed content
Stack Length: C = Compact length
Rated Torque (Continuous): 0.37 Nm
Peak Torque: 1.11 Nm (3× rated)
Rated Speed: 4000 RPM
Max Speed: 6000 RPM
Rated Power: 155 W
Feedback Device: None (NR = No Encoder — Hall sensor only)
Holding Brake: None (0 = No Brake)
Cooling Method: Natural convection (IC 411)
Enclosure Rating: IP54 (dust protected, splash proof)
Shaft Type: Cylindrical with keyway, DIN 6885-1
Shaft Diameter: 8 mm
Shaft Length: 18 mm (keyway)
Weight: Approximately 0.35 kg
Insulation Class: Class F (155°C)
Bearings: Miniature ball bearings, sealed
Winding Code: ANC = Specific winding for high-speed, low-torque application
Electrical Connection: M8 connector, 8-pin
Voltage Rating: 48 VDC bus (internal drive)
Key Features:
- Smallest AKM frame — ultra-compact integrated servo
- High speed capability (6000 RPM) for small-diameter applications
- No encoder — Hall commutation only, suitable for velocity/torque control
- No brake — minimal weight configuration
Applicable Industries: Medical devices, semiconductor equipment, small robotics, optical systems, laboratory automation, drone actuators
Installation Requirements:
- Mount via B5 flange (2× M3 holes) or adhesive mount
- Bolt torque: 1.5 Nm (M3)
- Coupling: Flexible coupling only — rigid coupling damages bearings at high speed
- Cable: M8 connector, 3 m standard
Usage Notes:
- Do not exceed 6000 RPM — catastrophic magnet failure above this speed
- NR (no encoder) — positioning accuracy limited to open-loop or Hall-based commutation
- Operating temperature: 0°C to +40°C
- Not suitable for applications requiring holding torque without power
- For position control, select encoder variant: AKM31C-ANENR-0





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