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Kollmorgen AKM21E-ANSNEH02

  • Product Name: AKM2 Series Permanent Magnet Synchronous Servo Motor
  • Product Introduction: AKM21E​ is a size 2 frame​ (58×58 mm flange) motor with winding E, stack length 1, and ANSNEH02​ configuration indicating smooth shaft, specific feedback (likely BiSS or SFD), M23 connectors, no brake, IP54/IP65.
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Detailed content

  • Technical Specifications:
    • Frame Size: AKM2 (58 mm square flange)
    • Stall Torque: Approx. 0.48 – 1.4 Nm (depending on winding)
    • Rated Speed: Up to 8000 rpm
    • Max Bus Voltage: 640 VDC
    • Continuous Current: ~3 A RMS (typical for AKM2E)
    • Rated Power: ~0.48 kW
  • Functional Features:
    • High power-to-volume ratio.
    • Low vibration and acoustic noise.
    • Multiple feedback options supported.
    • PTC thermistor​ temperature protection.
  • Application Scenarios: Small robotic joints, lab automation, semiconductor handling, compact packaging equipment.
  • Performance Parameters:
    • Rotor Inertia: Very low for high acceleration.
    • Cogging Torque: Minimized via magnet shaping.
  • Material & Structural Features:
    • Same construction as AKM32E but scaled down.
    • Shaft diameter: Typically 9 mm.
    • Lightweight aluminum housing.
  • Working Principle: Identical to AKM32E — synchronous PM motor with electronic commutation.
  • Installation Requirements:
    • Use centering pilot (40 mm diameter) for alignment.
    • Bolt circle 63 mm.
  • Usage Precautions:
    • Prevent side-loading on small-diameter shaft.
    • Confirm feedback cable routing away from power lines.

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