Digital guide
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Kollmorgen AKM54K-ANCNR-0
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Product Name: AKM54K AC Synchronous Brushless Servo Motor — High-Torque AKM5 Frame, Long Stack
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Product Introduction: Heavy-duty AKM5 frame with longest stack (index 4 / “K” winding) delivering high continuous and peak torque for demanding axes such as heavy machine tools, material handling, and robotic joints. Compatible with AKD / AKD2G / S700 drives.
Detailed content
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Key Specifications:
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Frame Size: AKM5 — 108 × 108 mm flange (IEC B5)
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Stack Length: Index 4 (max for AKM5 → highest torque)
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Continuous Stall Torque (Tc): ~14.4 Nm @ 100 °C rise
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Rated Torque @ 4000 rpm: ~9.25 Nm
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Peak Torque (Tp): ~38.4 Nm
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Rated Power: ~3.87 kW @ 4000 rpm / 640 VDC bus
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Rated / Continuous Current: ~9.7 Arms cont.; ~29.2 Arms peak
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Max Bus Voltage: 640 VDC
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Torque Constant (Kt): ~1.48 Nm/Arms
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Back EMF Constant (Ke): ~90–95 Vrms/krpm (typical for K winding)
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Feedback: Resolver (“NCN” = resolver, no brake, std connectors, smooth shaft)
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Brake: None (“R” = no brake)
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Connector: A-style separated power & feedback M23 connectors
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Ingress Protection: IP65 (stator), IP64 (shaft seal)
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Insulation Class: F (155 °C)
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Weight: ~28 kg
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Construction & Materials: 10-pole low-cogging rotor with NdFeB magnets; aluminum finned housing for heat dissipation; stainless steel smooth shaft; resolver mounted on non-drive end.
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Installation & Notes:
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Ensure drive is sized for ≥10 A continuous / ≥30 A peak output.
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Use correct resolver transformation ratio in drive setup (typically 0.25–0.5 depending on resolver type).
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Tighten mounting bolts to specified torque; check shaft alignment.
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