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Kollmorgen AKM31E-ANCNR-00

Product Name:​ AKM Series AC Synchronous Brushless Servo Motor
Product Introduction:​ Permanent-magnet synchronous servo motor from the AKM3 frame family, optimized for high torque density, low cogging and flexible integration with Kollmorgen AKD-class drives.

Detailed content

Technical Specifications:
  • Frame / Flange:​ AKM3 size, 70 × 70 mm IEC flange, 75 mm pitch circle diameter, 60 mm pilot diameter
  • Shaft:​ 14 mm smooth (no keyway), AN variant
  • Rated Stall Torque:​ 1.2 Nm continuous
  • Peak Torque:​ 4.0 Nm
  • Rated Current:​ 2.99 Arms (stall, 100 K winding rise)
  • Peak Current:​ 12.0 Arms
  • Max Speed:​ 8000 rpm
  • Winding Type:​ E (320 Vdc max bus, 75 / 160 / 320 Vdc equivalent AC performance)
  • Rated Power:​ 0.09 kW @ 75 Vdc bus, 0.31 kW @ 160 Vdc bus, 0.60 kW @ 320 Vdc bus
  • Feedback:​ Resolver, ±8 arc-min accuracy
  • Brake:​ None
  • Poles:​ 8 (4 pole pairs)
  • Rotor Inertia:​ 0.330 kg·cm²
  • Thermal Sensor:​ PTC
  • Insulation:​ Class F (155 °C)
  • Protection:​ IP54 standard, IP65 with optional shaft seal
  • Connectors:​ 2 × rotatable angled M23 (power + feedback), SpeedTec ready
  • Weight:​ 1.55 kg
  • Certifications:​ CE, UKCA, UL/cURus, EN 60034-1 / -5
    Functional Features:​ Low-cogging electromagnetic design, plug-and-play motor recognition on AKD drives, full-frequency autotuning support, high power density in compact package.
    Application Scenarios:​ Small-to-medium axis control in packaging, lab automation, pick-and-place, semiconductor handling, light CNC auxiliary axes.
    Installation Requirements:​ Flange-mounted on machine face with 4 bolts on 75 mm PCD; align shaft without radial preload; route shielded feedback cable separately from power; ground motor body to cabinet.
    Usage Notes:​ Do not exceed 320 Vdc bus or 8000 rpm; verify resolver phase alignment during commissioning; PTC must be wired to drive thermal input; smooth shaft requires clamped coupling.

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