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Mitsubishi AC Servo Motor HG-SR702B 7kW MELSERVO-J4 Solution

When your CNC equipment or automated production line suffers from servo motor failure, finding a reliable replacement quickly becomes a major challenge. The shortage of discontinued automation parts can cause unexpected downtime and production losses. AC servo motor solutions like the Mitsubishi HG-SR702B provide precise motion control, high torque output, and reliable performance for demanding industrial applications.

DUOMI CNC supplies genuine and tested automation spare parts worldwide, helping engineers and maintenance teams source Mitsubishi servo motors, PLC modules, drives, and other industrial components. With 15 years of industry experience, 10,000+ inventory items, and global shipping support, DUOMI CNC helps you restore automation systems faster.

Mitsubishi AC Servo Motor HG-SR702B Overview

The Mitsubishi AC servo motor HG-SR702B belongs to the MELSERVO-J4 HG-SR series, designed for medium-inertia applications requiring accurate positioning and stable torque performance.

This 7kW servo motor is suitable for CNC machines, injection molding equipment, robotics systems, conveyors, and heavy-duty automation equipment.

Key specifications include:

  • Rated power: 7 kW
  • Rated torque: 33.4 Nm
  • Maximum torque: 100 Nm
  • Rated speed: 2000 rpm
  • Maximum speed: 3000 rpm
  • Voltage: 200 VAC three-phase
  • Encoder: 22-bit absolute encoder (4.19 million ppr)
  • Protection rating: IP67
  • Shaft design: Straight shaft with holding brake
  • Weight: 33 kg

The integrated absolute encoder provides accurate feedback without battery backup, supporting stable positioning and improved machine performance.

Why Choose Mitsubishi HG-SR702B Servo Motor for Industrial Applications?

Industrial automation systems require motors that can maintain accuracy under continuous operation. The Mitsubishi HG-SR702B delivers several advantages for high-performance motion applications.

High Torque Performance for CNC Systems

With 33.4 Nm continuous torque and 100 Nm peak torque, this Mitsubishi servo motor supports demanding mechanical loads.

Typical applications include:

  • CNC machining centers
  • Injection molding machines
  • Robotic arms
  • Material handling systems
  • Multi-axis automation equipment

IP67 Protection for Factory Environments

The IP67-rated housing protects the motor from dust and water exposure, making it suitable for industrial environments where reliability is essential.

The straight shaft with brake design also helps maintain position stability when equipment stops or requires vertical-axis control.

Compatible with MELSERVO-J4 Drive Systems

The HG-SR702B works with Mitsubishi MR-J4 servo amplifiers, providing functions such as:

  • Automatic tuning
  • Vibration suppression
  • High-precision positioning
  • Network communication integration

This compatibility allows you to upgrade or replace existing Mitsubishi motion systems without major modifications.

Mitsubishi HG-SR702B vs Standard Servo Motors

Feature Mitsubishi HG-SR702B Standard Industrial Servo Motor
Power Rating 7 kW Usually 0.4-5 kW
Torque Output 33.4 Nm continuous Lower torque range
Encoder Resolution 22-bit absolute encoder Usually 17-20 bit
Protection IP67 Depends on model
Application CNC, robotics, heavy automation General motion control
Brake Option Integrated holding brake Optional or unavailable

The HG-SR702B is designed for applications requiring higher torque capacity, precise feedback, and long-term operational stability.

How DUOMI CNC Supports Your Servo Motor Purchase

Choosing the correct automation spare part requires accurate model confirmation and technical support. DUOMI CNC provides a simple sourcing process:

  1. Submit your part number

    Provide the Mitsubishi HG-SR702B model number, equipment information, and required condition (new or used).

  2. Technical confirmation

    Our professional team checks specifications, compatibility, and availability before quotation.

  3. Receive a detailed quotation

    You will receive pricing, warranty information, shipping options, and delivery time.

  4. Fast global delivery

    DUOMI CNC supports DHL, FedEx, UPS, and other international logistics channels for urgent industrial requirements.

Why Buy Mitsubishi Servo Motors from DUOMI CNC?

DUOMI CNC focuses on supplying new and discontinued automation spare parts to customers in more than 100 countries.

Your benefits include:

  • 10,000+ automation components in stock
  • Genuine OEM and replacement parts
  • Professional testing equipment before shipment
  • 24-month warranty for new products
  • 24/7 technical response
  • Global delivery within approximately 48 hours for available items
  • Support for Siemens, Fanuc, Allen-Bradley, ABB, Yaskawa, Mitsubishi, Danfoss, SEW and other brands

DUOMI CNC combines supply capability with technical experience to help you reduce machine downtime and maintain production efficiency.

FAQ

1. Is Mitsubishi HG-SR702B suitable for CNC machines?

Yes. The HG-SR702B is designed for high-precision motion applications including CNC machining centers, robotic equipment, and multi-axis automation systems.

2. Does DUOMI CNC provide warranty for Mitsubishi servo motors?

Yes. DUOMI CNC provides warranty support, including a 24-month warranty for new products and technical assistance for automation spare parts.

3. Can DUOMI CNC supply discontinued Mitsubishi servo motors?

Yes. DUOMI CNC specializes in sourcing new, replacement, and discontinued automation components from global industrial brands.

Conclusion

Choosing the right AC servo motor is essential for maintaining precision, productivity, and reliability in modern automation systems. The Mitsubishi HG-SR702B MELSERVO-J4 7kW servo motor provides high torque output, accurate encoder feedback, IP67 protection, and strong compatibility with industrial motion applications.

With extensive inventory, professional testing, and global supply capabilities, DUOMI CNC helps you source reliable Mitsubishi automation spare parts and keep your equipment running efficiently.

Contact DUOMI CNC today to request a quotation for Mitsubishi HG-SR702B AC servo motor availability, technical specifications, and delivery options.

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