Best YASKAWA Rotary Servo Motors SGM7J Supplier, Products

The SGM7J is designed to maximize responsiveness for applications demanding extremely precise load matching. This series of medium-inertia rotary servo motors is designed for low-volume applications, but when needed, they can achieve rated speeds up to 3000 rpm and torque up to 2.39 N·m (21 in·lb). A 24-bit encoder resolution ensures industry-leading position accuracy under all operating conditions.

Product Description

Overview

The YASKAWA SGM7J is the core rotary servo motor in the Yaskawa Σ-7 series, designed for small-capacity, medium-inertia loads. With its high precision, low loss, and high reliability, it is widely used in precision automation applications.

Core Specifications and Performance Parameters

  • Power and Torque Range: Power ranges from 50W to 1.5kW, rated torque from 0.16 to 4.77 N·m, and peak torque from 0.47 to 14.3 N·m, meeting the power requirements of small precision equipment.
  • Speed and Accuracy: Rated speed 3000 rpm, maximum speed 6000 rpm; built-in 24-bit absolute encoder with a resolution of 16,777,216 pulses/revolution, achieving ultra-high precision positioning and speed control.
  • Structure and Protection: Utilizes a brushless DC design with neodymium iron boron permanent magnets, reducing size while improving energy efficiency; IP67 protection rating, resisting dust and short-term water immersion, suitable for complex industrial environments.

Key Design and Performance Advantages

  • Low Loss and High Stability: Optimized winding structure and magnetic circuit design reduce iron and copper losses, resulting in a 20% lower operating temperature compared to previous generations; minimal cogging torque ensures smooth low-speed operation, reducing vibration and noise.
  • Easy Compatibility: Perfectly compatible with Yaskawa Σ-7 series servo amplifiers, supporting automatic gain adjustment and parameter self-tuning; standardized installation dimensions allow direct replacement of Σ-5 series motors, facilitating upgrades to older equipment.
  • Reliable Protection Functions: Multiple protections against overcurrent, overload, overheating, overvoltage, and encoder failure prevent motor damage due to abnormal operating conditions; optional brakes are available (models with the "-B" suffix) for precise parking positioning.

Typical Application Scenarios

  • Electronics Manufacturing: Precision machining and assembly equipment such as pick-and-place machines, insertion machines, semiconductor packaging equipment, and PCB drilling machines.
  • Automation Equipment: Small robotic arms, Cartesian robots, precision conveyor lines, and automated testing instruments.
  • Other Scenarios: Equipment with high requirements for positioning accuracy and operational stability, such as printing presses, packaging machines, textile machinery, and laser cutting machines.

Specifications

Model Rated Power Rated Torque Rated Current Rated Speed Max Speed Peak Torque Peak Current Encoder Resolution Protection Class Compatible Servo Packs
SGM7J - 01AFC6E 100W 0.318N·m 0.85Arms 3000r/min 6000r/min 1.11N·m 3.1Arms 24-bit absolute IP67 SGD7S - R90A00A
SGM7J - 01AFC6S 100W 0.318N·m 0.85Arms 3000r/min 6000r/min 1.11N·m 3.1Arms 24-bit absolute IP67 SGD7S - R90A00A
SGM7J - 02AFC6E 200W 0.637N·m 1.6Arms 3000r/min 6000r/min 1.91N·m 5.8Arms 24-bit absolute IP67 SGD7S - 1R6A00A
SGM7J - 02AFC6S 200W 0.637N·m 1.6Arms 3000r/min 6000r/min 1.91N·m 5.8Arms 24-bit absolute IP67 SGD7S - 1R6A00A
SGM7J - 04A7C6E 400W 1.27N·m 2.5Arms 3000r/min 6000r/min 4.46N·m 9.3Arms 24-bit absolute IP67 SGD7S - 2R8A00A
SGM7J - 04AFC6E 400W 1.27N·m 2.5Arms 3000r/min 6000r/min 4.46N·m 9.3Arms 24-bit absolute IP67 SGD7S - 2R8A00A
SGM7J - 08AFC6E 750W 8.36N·m 4.4Arms 3000r/min 6000r/min 25.1N·m 16.0Arms 24-bit absolute IP67 SGD7S - 5R5A00A
SGM7J - 08AFC6S 750W 8.36N·m 4.4Arms 3000r/min 6000r/min 25.1N·m 16.0Arms 24-bit absolute IP67 SGD7S - 5R5A00A

Models & Features

Category YASKAWA Rotary Servo Motors SGM7J Features
Features
  • 24-bit encoder resolution
  • More compact than other motors with similar ratings, for a better fit in tight spaces
  • Completely compatible with Sigma-7 servos
  • Neodymium iron boron permanent magnets with a high flux density reduce rotor size
  • Advanced magnetic circuitry and optimum winding geometry deliver very low cogging torque
  • Safety rated at SIL 3 (IEC 61508)
  • IP67 rated for resistance to dust, water washdown
  • Functions in temperatures above 60°C, altitudes above 2000 ft.
  • Peak acceleration torque up to 300% of rated torque
  • Peak torque can be maintained for up to three seconds
  • Rated speed of 3,000 rpm, max speed of 6,000 rpm
  • Runs 20% cooler than previous generation products
  • Holding Brake and Shaft Seal option available

Delivery Information

Delivery information typically includes delivery times, shipping methods, packaging, etc., which may vary depending on the seller and the location of purchase.

Manuals & Resources

YASKAWA Rotary Servo Motors SGM7J brochures.pdf

YASKAWA Rotary Servo Motors SGM7J brochures.pdf

Download Resource

Frequently Asked Questions (FAQ)

What are the primary applications of the YASKAWA SGM7J servo motor?

The SGM7J is widely used in electronics manufacturing (such as pick-and-place and packaging machines), automated assembly, semiconductor packaging, small robotic arms, Cartesian robots, precision conveyor lines, textile machinery, and laser cutting systems.

What is the encoder resolution of the SGM7J series?

The motor is equipped with a built-in 24-bit absolute encoder, providing a resolution of 16,777,216 pulses per revolution for high-precision positioning and speed control.

Can the Yaskawa SGM7J motor replace the older Σ-5 series?

Yes. Standardized installation dimensions allow direct replacement of older Σ-5 series motors, making upgrades simple and efficient.

What level of environmental protection does the SGM7J offer?

It features an IP67 rating, offering reliable resistance to dust ingress and short-term water immersion, making it suitable for demanding industrial applications.

Does the SGM7J support a holding brake option?

Yes, holding brake options are available for precise parking positioning, typically designated by models carrying the "-B" suffix.

What makes the SGM7J run cooler than previous generations?

Through optimized winding geometry and advanced magnetic circuit designs, the SGM7J runs approximately 20% cooler, reducing iron and copper thermal losses.

Related Products