Product Overview

Motor Design and Applications

The Mitsubishi HG-MR73 is a brushless servo motor designed for high efficiency and responsiveness. Therefore, this motor suits applications requiring rapid acceleration and precise control. The compact output of 750 watts operates effectively within the 200VAC voltage class. Consequently, the HG-MR73 delivers an excellent power-to-weight ratio for demanding motion control tasks. The ultra-low inertia design enables quick response to control signals.

Key Features and Benefits

The HG-MR73 features a maximum speed of 6000 RPM for diverse operational demands. Therefore, it handles both high-speed and high-torque applications effectively. The standard straight shaft design promotes easy integration into existing systems. Consequently, installation and maintenance are straightforward. The IP65 rating ensures protection against dust and water splashes.

Technical Specifications

General Specifications

• Manufacturer: Mitsubishi

• Product Line: HG Series

• Part Number: HG-MR73

• Product Type: Brushless Servo Motor

• Motor Type: Brushless Servo Motor

• Inertia Type: Ultra-Low Inertia

• Capacity: Small Power Capacity

• Shaft Design: Standard (Straight Shaft)

• Weight: 2.72 kg (6.00 lbs)

Power and Speed Specifications

• Output Power: 750 Watts (0.75 kW)

• Voltage Class: 200VAC Class

• Rated Speed: 3000 RPM

• Maximum Speed: 6000 RPM

Current Specifications

The Mitsubishi HG-MR73 provides robust current handling for demanding applications.

Torque Specifications

• Rated Torque: 2.4 Nm

• Maximum Torque: 7.2 Nm (peak)

Load Capacity Specifications

The HG-MR73 supports significant radial and axial loads for varied applications.

Environmental Specifications

• Operating Temperature: 32°F to 104°F (0°C to 40°C)

• Protection Class: IP65 (dust-tight and protected against water jets)

Installation Guide

Follow these steps to install the Mitsubishi HG-MR73 correctly.

1. Prepare Mounting Surface: First, ensure the mounting bracket is clean and properly aligned.

2. Align Motor Shaft: Next, align the straight shaft with the driven load coupling.

3. Secure Mounting Bolts: Then, fasten the HG-MR73 using the four mounting bolts.

4. Connect Power Cable: After that, attach the 200VAC power cable securely.

5. Connect Encoder Cable: Meanwhile, connect the encoder cable for position feedback.

6. Verify IP65 Seal: Finally, confirm all cable entries are properly sealed.

The HG-MR73 requires careful attention to load limits. Therefore, do not exceed 392 N radial load or 147 N axial load. In addition, ensure the operating temperature stays between 32°F and 104°F. Consequently, proper installation ensures optimal motor performance and long service life.

Package List

The package includes the following physical items.

• Mitsubishi HG-MR73 brushless servo motor (1 piece)

• Straight shaft with keyway (standard)

• Product label with part number and specifications

• Installation guide (printed)

Note: Motor power cables and encoder cables are not included. Mounting bolts and coupling are sold separately. No servo amplifier is provided with this motor.

Frequently Asked Questions (FAQ)

1. What is the output power of the HG-MR73?

The Mitsubishi HG-MR73 has an output power of 750 Watts (0.75 kW). Therefore, this motor suits applications requiring efficient power-to-weight ratio. Consequently, it performs well in compact machinery and automation systems.

2. What is the torque rating of the HG-MR73?

The Mitsubishi HG-MR73 provides a rated torque of 2.4 Nm and a maximum torque of 7.2 Nm. Therefore, the motor can handle peak loads three times higher than continuous rating. Consequently, it offers significant load-handling capabilities for demanding applications.

3. What type of inertia does the HG-MR73 have?

The Mitsubishi HG-MR73 features ultra-low inertia design. Therefore, the motor offers rapid acceleration and deceleration. This makes it highly responsive to control signals. Consequently, the HG-MR73 suits applications requiring frequent starts and stops.

4. What is the maximum speed of the HG-MR73?

The Mitsubishi HG-MR73 can achieve a maximum speed of 6000 RPM. Therefore, the motor accommodates diverse operational demands requiring high speed. The rated speed is 3000 RPM for continuous operation. Consequently, you have flexibility for both steady-state and dynamic applications.

5. What are the load ratings for the HG-MR73?

The Mitsubishi HG-MR73 supports a maximum radial load of 392 N and a maximum axial load of 147 N. Therefore, the motor performs effectively in varied applications with significant external forces. Exceeding these limits may cause bearing failure. Consequently, always calculate your applied loads before installation.

6. What is the temperature range for the HG-MR73?

The Mitsubishi HG-MR73 operates between 32°F and 104°F (0°C to 40°C). Therefore, the motor maintains performance across typical industrial environments. For storage, follow the manufacturer's extended temperature guidelines. Consequently, avoid outdoor installations or extreme temperature locations without additional cooling.

7. Does the HG-MR73 include a holding brake?

The standard Mitsubishi HG-MR73 does not include a holding brake. Therefore, external braking mechanisms are required for vertical load applications. However, a brake-equipped version may be available by special order. Consequently, verify your application requirements before selecting this model.

Related Accessories

Enhance your HG Series motion control system with these compatible parts.

• Servo Amplifier: Mitsubishi MR-J4 series amplifier for HG-MR73 control

• Motor Power Cable: Mitsubishi MR-PWCNS3 for 200VAC connection

• Encoder Cable: Mitsubishi MR-J4ENCBL for position feedback

• Mounting Bracket: Mitsubishi HG series mounting kit for secure installation

• Flexible Coupling: Mitsubishi coupling for straight shaft connection

Always use genuine Mitsubishi components with the HG-MR73. Therefore, third-party cables may cause encoder errors or power losses. In addition, verify amplifier compatibility before ordering. Consequently, using authentic parts ensures optimal motor performance and system reliability.