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Yokogawa SGM7G‑44APK‑YR21

  • Product Name: SGM7G‑44APK‑YR21 Medium‑Inertia AC Servo Motor
  • Product Series: Sigma‑7 High‑Performance Servo Motor Series
  • Product Brief: Heavy‑duty high‑precision rotary servo motor for high‑load industrial motion control applications

Detailed content

  • Technical Specifications:
    • Rated Power: 4.4 kW
    • Rated Voltage: 200 VAC three‑phase
    • Rated Speed: 1500 rpm; Max Speed: 3000 rpm
    • Rated Torque: 28 N·m; Peak Torque: 84 N·m (300% of rated torque, sustainable for 3 s)
    • Encoder: 24‑bit absolute value encoder (16.7 million pulses per revolution)
    • Built‑in Component: Electromagnetic holding brake
    • Protection Grade: IP67 (dust‑proof, water‑washing resistant)
    • Operating Temperature: -20°C ~ +60°C
    • Weight: 25 kg
  • Functional Features: High‑precision position feedback, low cogging torque, high overload capacity, safety certification (SIL 3), low heat generation design
  • Performance Advantages: Compact structure for power level, fast acceleration/deceleration response, long service life, compatibility with Sigma‑7 servo drive system
  • Material Composition: Rotor: Neodymium‑iron‑boron high‑flux permanent magnet; Housing: Aluminum alloy die‑casting with anti‑corrosion treatment
  • Structural Characteristics: Integrated brake structure, standard keyway shaft output, sealed bearing system
  • Working Principle: Permanent magnet synchronous motor operation principle, realize high‑precision speed and position control via servo drive closed‑loop regulation
  • Applicable Industries: Machine tools, heavy‑duty automation equipment, industrial robots, press machinery, semiconductor manufacturing equipment
  • Installation Requirements: Horizontal mounting preferred; shaft end allowable radial load ≤980 N, thrust load ≤392 N
  • Usage Precautions: Match dedicated servo drive; strictly follow torque limit parameters during operation

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