Mitsubishi Electric HG-SR352BJ HG-SR Series AC Servo Motor

Description

Delivering robust dynamic performance in demanding industrial motion control systems, the Mitsubishi Electric HG-SR352BJ functions as a high-capacity rotary servo motor within the HG-SR Series. Engineered with a 3.5 kW rated output and a rated speed of 2000 r/min, this medium-inertia unit features an integrated electromagnetic brake and oil seal to guarantee positioning retention and environmental protection during vertical axis or high-load operations.

Key Features

• High-Resolution Feedback: Equipped with a high-resolution absolute encoder for micro-positioning precision and motion smoothness.
• Electromagnetic Holding Brake: Built-in safety brake prevents axis dropping during power-off states or emergency stops.
• Enhanced Environmental Seal: Integrated oil seal allows direct coupling to gearboxes and protection in harsh environments.
• Optimized Inertia Design: Medium-inertia rotor design provides excellent control stability under fluctuating load conditions.

Applications

• Material Handling Systems: Conveyors, automated transfer lines, and heavy-duty gantry axes.
• Metalworking & Machining: Feeding axes for machine tools requiring high torque stability.
• Packaging & Printing Machinery: High-speed tension control and multi-axis synchronized drive systems.

Technical Specifications

Empirical Engineering Insights

Alternative Models & Compatibility

The HG-SR352BJ is fully matched with the Mitsubishi MELSERVO-J4 amplifier range, specifically the MR-J4-350A and MR-J4-350B drive modules. When upgrading from legacy HC-SFS series models (such as the HC-SFS352B), verify mounting depth adjustments and encoder adapter cable configurations, as physical connector interfaces have changed.

Application Pitfalls & Engineering Notes

Always ensure that the electromagnetic brake is used strictly for holding and not dynamic braking. Attempting to use the brake to decelerate a moving load will result in premature wear of the internal friction plates and eventual positioning failure. Additionally, ensure the oil seal is regularly inspected in environments where high-temperature gear fluid accumulates near the shaft flange.

Commissioning & Wiring Tips

Due to the high-frequency switching cycles of the MR-J4 amplifier, the motor power cable and the encoder cable must run through separate shielded conduits to prevent signal corruption. Always ground the motor frame directly to the common cabinet backplate using a low-impedance grounding strap to prevent ground loop currents from interfering with the absolute encoder feedback.

Installation Guidelines