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Kollmorgen N-D-20-5A-12-M-F1-MT1E

  • Product Name:​ N-Series Stepper Motor Variant (shorter stack, encoder option)
  • Product Brief:​ Same family as above with 12-stack length, M-flange, F1 mechanical variant, MT1E encoder, no double shaft.
  • Technical Specifications:
    • Stack Length: 12 (shorter than 15.0 version, lower holding torque)
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Detailed content

    • Current: 5 A class
    • Encoder: MT1E incremental
    • Flange: M-code
    • Step Angle: 1.8°
  • Functional Features:​ Lower inertia than 15.0 stack, faster acceleration, same drive compatibility.
  • Application Scenarios:​ Small indexing, valve control, lightweight gantry aux axis.
  • Notes:​ Do not interchange stack lengths without rechecking torque/speed curve; holding torque scales roughly with stack length.
Cross-System Notes
  • AKM Motors + AKD/S400/CR Drives:​ AKM motors are PMSM with resolver/SFD/EnDat; AKD is the current recommended drive, S400 and SERVOSTAR CD are legacy but widely available as spares.
  • Feedback Compatibility:​ SFD/SFD-M only on AKD/AKD2G/S700; resolver universal; EnDat 2.2 needs AKD-S or S700.
  • Voltage Classes:​ 240 VAC windings (E/G/H) pair with 240 V drive class; 480 V windings (K/L/M/N/P) need 480 V drive class.
  • Mechanical Mounting:​ AKM uses IEC metric flanges, pilot diameter per frame; align coupling concentrically to avoid bearing wear.
  • Cooling & Environment:​ IP40 standard indoor; IP67 washdown for food/pharma; avoid exceeding 40 °C ambient without 155 °C insulation margin loss.
  • General Safety:​ Disconnect bus before plugging motor; verify rotation direction; enable STO wiring when human access exists; use brake resistor on frequent decel.

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