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Kollmorgen AKM43L-ANCNC-00

  • Product Name:​ AKM Series Brushless Servo Motor (Frame 4, Stack 3, winding L, no brake, standard encoder, smooth shaft)
  • Product Introduction:​ Mid-frame AKM motor with long stack for higher continuous torque.
  • Technical Specifications:
    • Frame: AKM4 (84×84 mm flange)
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Detailed content

    • Stack: 3
    • Winding: L
    • Max Bus: 320 VDC (typical for this winding)
    • Rated Speed: 3000 rpm @160 VDC bus, 6000 rpm @320 VDC bus
    • Rated Torque: 3.78 Nm @160 VDC, 2.53 Nm @320 VDC
    • Stall Torque: 4.73 Nm continuous
    • Peak Torque: 16 Nm
    • Rated Power: 1.19 kW @160 VDC, 1.59 kW @320 VDC
    • Feedback: incremental encoder (CNC = code for encoder/connector)
    • Shaft: smooth, 40 mm height class
    • Connectors: 2× angled rotatable M23 (power + feedback/PTC)
    • Inertia: 2.09 kg·cm²
    • Protection: IP65
  • Functional Features:​ Balanced inertia for dynamic axes, PTC thermal sensor, low vibration.
  • Application Scenarios:​ CNC servo axes, rotary tables, packaging fillers, printing rolls.
  • Structural Characteristics:​ Square flange IEC mount, stainless shaft option, rotatable SpeedTec connectors.
  • Installation Requirements:​ Flange face flatness, coupling misalignment <0.05 mm, shielded dual-cable routing.
  • Usage Notes:​ At 320 VDC bus torque drops but speed doubles—size by application point; encoder type must match drive selector.
Cross-Cutting Notes on Kollmorgen Servo Ecosystem
  • Working Principle (brushless side):​ Drive creates rotating stator field from DC-link PWM; rotor permanent magnets tracked by resolver/encoder; AKD/S600 firmware closes current→speed→position loops.
  • Working Principle (brush side):​ DC tach gives velocity signal; commutator switches armature current mechanically.
  • Material Composition:​ Aluminum motor housings, electrical steel laminations, NdFeB magnets (AKM), copper windings with Class F/H insulation, stainless shafts in hygienic variants.
  • General Installation Rules:​ Separate power/feedback cables by >100 mm or shielded cross; ground shield at drive end; torque connectors to spec; never power drive with motor disconnected under active regen.
  • General Usage Warnings:​ Do not mismatch AKM feedback code with drive selection; obsolete S200/S300 units lack modern EtherCAT native support; TT/TTR DC motors require brush maintenance; SR30000 modules need regen energy calculation.

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