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Kollmorgen AKM44E-EKMNR-0
Product Name: AKM4 Series Synchronous Brushless Servo Motor, Frame 44, Winding E
Introduction: Mid-frame AKM motor with 84×84 mm flange, resolver feedback, keyed shaft and IP65 sealing. Common on AKD and S600 drives.
Technical Specifications:
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Frame size: AKM44 (size 4 of AKM family)
Detailed content
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Winding: E (mid-voltage, 640 VDC max bus)
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Rated power: 1.19 kW (1.6 hp) at 640 VDC bus
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Stall torque: 5.76 Nm continuous
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Rated torque: 4.56 Nm
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Rated speed: 2500 rpm at 640 VDC, 2000 rpm at 560 VDC
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Peak torque: 19.9 Nm
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Rotor inertia: 2.73 kg·cm²
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Feedback: resolver (16-bit class), hollow-shaft option
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Shaft: 31.75 mm keyway, shaft seal
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Connectors: 2× rotatable M23 SpeedTec
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Protection: IP65, cURus, CEFunctional Features: Low cogging, 100 °C winding rise with class F insulation, plug-and-play recognition on AKD, high power density.Structure & Materials: Laminated silicon-steel stator, sintered NdFeB magnets, aluminum flange housing, stainless shaft, double-sealed bearings, PTC thermistor.Working Principle: Standard 3-phase PMSM; resolver provides commutation angle, drive regulates q-axis current for torque.Installation Requirements: Flange mount on machine side, avoid shaft axial impact, align coupling <0.05 mm TIR, route M23 feedback with shielded cable.Precautions: Max bus 640 VDC—do not pair with 230 VAC drive; resolver wiring polarity matters; thermal cutout via PTC must be monitored by drive.
