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Kollmorgen AKM33H-ACMNR-00

Product Introduction
A compact, high-dynamic brushless servo motor from the AKM series, optimized for applications with space constraints but requiring high speed and precision. It features low inertia for rapid acceleration.
Technical Specifications
  • Stall Torque: 2.88 Nm continuous
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Detailed content

  • Peak Torque: 10.22 Nm
  • Rated Speed: Up to 8000 rpm
  • Continuous Current: 5.62 Arms
  • Peak Current: 22.5 Arms
  • Max Bus Voltage: 320 Vdc (230 Vac typical)
  • Number of Poles: 8 (4 pole pairs)
  • Rotor Inertia: 0.85 kg·cm²
  • Motor Flange: 70 x 70 mm
  • Shaft Diameter: 14 mm with keyway (indicated by ACM in suffix)
  • Weight: Approximately 2.9 kg
Functional Features
  • High Speed Capability: Supports speeds up to 8000 rpm for high-throughput applications.
  • Low Inertia: Facilitates fast start/stop cycles and precise positioning.
  • Feedback: Resolver feedback (NR) for robust, cost-effective position sensing.
  • Smooth Operation: Low cogging and low harmonic distortion design.
  • No Brake: No holding brake installed.
Material Composition
  • Housing: Anodized aluminum.
  • Windings: Copper wire with Class F (155°C) insulation.
  • Magnets: High-energy rare-earth magnets.
  • Sensors: PTC thermistor embedded in windings.
Structural Features
  • Compact Footprint: 70×70 mm flange suitable for tight installations.
  • Connectors: Rotatable M23 connectors for power and feedback.
  • Shaft: Keyed shaft (14mm) for positive torque transmission.
  • Protection: IP54 standard (IP65 optional with shaft seal).
Working Principle
Functions as a synchronous AC motor where the drive controls current vector angles relative to rotor position (provided by the resolver) to produce optimal torque output across the speed range.
Installation Requirements
  • Use standard IEC70x70 mm flange pattern.
  • Avoid side loads on the 14 mm shaft; use flexible couplings if misalignment is possible.
  • Securely tighten setscrew and key for keyed shaft engagement.
  • Ground the motor chassis to the control cabinet earth bus.
Usage Notes
  • Maximum bus voltage is 320 Vdc; check power supply settings.
  • Resolver excitation must be provided by a compatible drive.
  • Derating applies if ambient temperature exceeds 40°C.
  • Not intended for washdown environments unless IP65 option is confirmed.
Applications
Electronics assembly, pick-and-place robots, lab automation, conveyor indexing, semiconductor handling, small CNC axis drives.

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