Mitsubishi Electric HG-SR702J HG-SR Series AC Servo Motor

Designed for high-inertia motion control applications, the Mitsubishi Electric HG-SR702J provides precise rotational positioning and high torque density within industrial automation architectures. This high-performance AC Servo Motor is engineered to deliver reliable dynamic response and stable operation under heavy load conditions.

Key Features

• High-torque output capability up to 100 Nm peak torque.
• Integrated shaft oil seal (J-suffix) for enhanced protection against fluid ingress.
• Class 155 (F) thermal insulation rating for high thermal durability.
• Low-vibration performance certified to V10 rank.
• Robust construction designed for environments free from corrosive and flammable gases.

Applications

• Metal forming, stamping, and heavy press machinery.
• High-capacity material handling and gantry positioning systems.
• Large-scale industrial printing and packaging lines.
• Automated machine tool feed axes.

Technical Specifications

Empirical Engineering Insights

Alternative Models & Compatibility

The HG-SR702J is designed to operate in combination with specific MR-J4 series servo amplifiers. When replacing legacy HC-SFS series motors, verify that the encoder resolution parameters and physical mounting dimensions align, as modern HG-SR series units utilize high-resolution absolute encoders requiring compatible drive firmware.

Application Pitfalls & Engineering Notes

Due to the high rated current draw of 26 A, ensure the power supply cables are sized correctly to prevent voltage drops during peak acceleration phases. This motor must be installed in environments free from corrosive or flammable gases, as exposure can degrade the internal winding insulation and lead to premature winding faults.

Commissioning & Wiring Tips

Always use shielded, twisted-pair cables for the encoder connection to mitigate electromagnetic interference (EMI) from the high-current power lines. Ensure the motor frame is securely grounded to the main control panel ground bus to minimize noise-induced encoder feedback faults.

Installation Guidelines