Digital guide
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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:
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Frame / Flange: AKM3 size, 70 × 70 mm IEC flange, 75 mm pitch circle diameter, 60 mm pilot diameter
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Shaft: 14 mm smooth (no keyway), AN variant
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Rated Stall Torque: 1.2 Nm continuous
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Peak Torque: 4.0 Nm
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Rated Current: 2.99 Arms (stall, 100 K winding rise)
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Peak Current: 12.0 Arms
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Max Speed: 8000 rpm
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Winding Type: E (320 Vdc max bus, 75 / 160 / 320 Vdc equivalent AC performance)
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Rated Power: 0.09 kW @ 75 Vdc bus, 0.31 kW @ 160 Vdc bus, 0.60 kW @ 320 Vdc bus
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Feedback: Resolver, ±8 arc-min accuracy
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Brake: None
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Poles: 8 (4 pole pairs)
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Rotor Inertia: 0.330 kg·cm²
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Thermal Sensor: PTC
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Insulation: Class F (155 °C)
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Protection: IP54 standard, IP65 with optional shaft seal
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Connectors: 2 × rotatable angled M23 (power + feedback), SpeedTec ready
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Weight: 1.55 kg
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Certifications: CE, UKCA, UL/cURus, EN 60034-1 / -5Functional 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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