Digital guide
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Kollmorgen AKM51E-ACCNR-00
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Product Name: AKM™ Series AC Synchronous Servo Motor, Frame AKM51 (Flange 100 mm × 100 mm / 115 mm OD), Stack Length 1 (short), Winding Type E (higher-speed / 240 V class), with resolver feedback, no brake, M23 connectors
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Typical Parameters (AKM51E — 240 V AC / 320 V DC bus):
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Continuous (Stall) Torque: ≈ 1.9–2.15 N·m (17–19 lb-in)
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Detailed content
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Peak Torque: ≈ 5.8–6.5 N·m
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Rated Speed: 5000–6000 RPM (E winding is high-speed)
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Continuous Current: ≈ 3.3 A RMS
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Peak Current: ≈ 10 A RMS
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Torque Constant (Kt): ≈ 0.55 N·m/A RMS
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Back EMF Constant (Ke): ≈ 35 V/kRPM (line-line RMS)
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Rotor Inertia: ≈ 0.0025 kg·m²
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Feedback: Resolver (“R” in ACCNR indicates resolver feedback)
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Brake: None (“00”)
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Shaft: Keyway (std for AKM5) or smooth — check nameplate
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Connector: 2 × M23
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IP Rating: IP65 (with seal)
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Ambient: 0 … +40 °C, Class F insulation
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Applications: Spindle drives on small machines, film unwind/rewind, high-speed indexing, electronic assembly.
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Notes: Well-suited to AKD-P00606 or AKD-P01206 drives for single-axis demo or light-load applications.
