Description
Designed for high-inertia and high-precision motion control applications, the HG-SR702JK from Mitsubishi Electric is a robust medium-capacity rotary servo motor within the MELSERVO-J4 series. Delivering reliable performance at 200V, this high-performance industrial motor incorporates an integrated oil seal and keyway shaft to withstand rigorous operating conditions. It features a high-resolution absolute/incremental feedback system, ensuring exceptional dynamic response and position accuracy in closed-loop systems when paired with compatible MR-J4 servo amplifiers.
The motor is fully enclosed and self-cooled, achieving an IP67 environmental protection rating. Its high torque density, wide speed range, and compatibility with SSCNET III/H and CC-Link IE Field networks make it highly suitable for demanding industrial positioning systems.
Features
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High-Resolution Feedback: Equipped with a 22-bit encoder providing 4,194,304 pulses per revolution for ultimate positioning accuracy.
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Robust Protection: Totally enclosed, self-cooling structure with an IP67 rating and built-in oil seal for protection against dust and water ingress.
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Dynamic Torque Output: Generates a rated torque of 33.4 N m with peak torque capability reaching up to 100 N m.
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Flexible Connectivity: Full compatibility with MR-J4-700B, MR-J4-700B-RJ, and MR-J4-700A-RJ servo drives across fiber-optic SSCNET III/H and industrial Ethernet interfaces.
Applications
- Heavy-duty material handling and transfer gantries
- Metal processing and high-precision CNC machining tools
- Packaging, labeling, and high-speed sorting systems
- Automated assembly systems and industrial robotics
Technical Specifications
| Manufacturer |
Mitsubishi Electric |
| Model / Part Number |
HG-SR702JK |
| Series |
MELSERVO-J4 |
| Voltage Class |
200 V |
| Continuous Rated Output |
7.0 kW |
| Rated Torque |
33.4 N m |
| Maximum Torque |
100 N m |
| Rated Speed |
2000 r/min |
| Maximum Rotational Speed |
3000 r/min |
| Instantaneous Allowable Speed |
3450 r/min |
| Rated Current |
26 A |
| Maximum Current |
83 A |
| Moment of Inertia (J) |
151 x 10^-4 kg m^2 |
| Encoder Resolution |
22-bit absolute/incremental (4,194,304 pulses/rev) |
| Thermal Class |
155 (F) |
| Ingress Protection |
IP67 (excluding shaft-through portion) |
| Operating Temperature |
0 to 40 degC (non-freezing) |
| Storage Temperature |
-15 to 70 degC (non-freezing) |
| Ambient Humidity |
90% RH or less (non-condensing) |
| Vibration Resistance |
X: 24.5 m/s^2, Y: 29.4 m/s^2 |
| Shipping Weight |
28 kg |
Installation Guidelines
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Shaft Alignment: Ensure precise alignment of the keyway shaft to load coupling to prevent radial and axial forces from exceeding maximum allowable mechanical limits.
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Thermal Management: Install the motor in areas with adequate clearance to support natural convection cooling. Avoid direct exposure to heat sources.
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Grounding and Shielding: Use shielded power and encoder cables, ensuring appropriate grounding clamps are securely fastened to eliminate electromagnetic interference (EMI).
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Oil Seal Protection: Verify that the oil seal is kept clean and free from abrasive particles during installation and routine maintenance.