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ABB 3HAC058991-003

ABB 3HAC058991-003 is a robotic servo motor assembly with integrated pinion gear, designed for ABB industrial robot drive systems. It is mainly used as the drive motor unit for robot axes 2 and 3, providing the required torque transmission and positioning capability for robotic motion applications. The unit belongs to the ABB Robotics spare parts family and is associated with ABB IRB 660 series robot systems.

The assembly combines a servo motor and precision pinion mechanism into one compact drive component, ensuring accurate power transmission between the motor and robot mechanical structure. It is identified by ABB designation Std / F+ 6495W / 17Nm and is supplied in ABB Orange finish. 

Technical Parameters

Product Features

1. Integrated Motor and Pinion Design

The 3HAC058991-003 integrates the servo motor and pinion gear into a single drive assembly, reducing installation complexity and improving mechanical reliability. The integrated structure ensures efficient torque transfer from the motor to the robot transmission mechanism.

2. High-Precision Robotic Motion Control

Designed for ABB robot motion systems, this servo motor provides accurate speed regulation and positioning performance, supporting high-repeatability operations required in industrial automation environments.

3. High Torque Output Capability

With a rated torque of approximately 17 Nm and power rating around 6495 W, the motor provides sufficient driving force for large robotic joints, particularly the heavy-duty movement requirements of robot axes 2 and 3.

4. Industrial Reliability

The motor assembly is engineered for continuous industrial operation, offering stable performance under demanding production conditions such as palletizing, material handling, and automated manufacturing.

5. ABB Original Spare Part Compatibility

The component is designed as a direct replacement spare part for compatible ABB robot systems, helping maintain original equipment performance and reducing downtime during maintenance.

Structural Composition

The ABB 3HAC058991-003 mainly consists of the following components:

1. Servo Motor Assembly

• High-performance AC servo motor
• Provides rotational power output
• Supports precise speed and position control

2. Pinion Gear Assembly

• Precision-machined gear component
• Transfers motor torque to the robot mechanical transmission system
• Ensures stable mechanical engagement

3. Motor Housing and Protection Structure

• Industrial-grade metal enclosure
• Protects internal electrical and mechanical components
• Designed for robot installation environments

4. Connection and Mounting Interface

• Mechanical mounting points for robot axis installation
• Electrical interface for connection with ABB robot control systems

The motor assembly is installed in the drive mechanism of ABB robot axes, working together with reducers and control electronics to achieve accurate robotic movement.

Application Fields

1. Industrial Robotics

ABB 3HAC058991-003 is mainly applied in ABB robotic systems, especially IRB series robots requiring high-performance axis drive components.

2. Palletizing Applications

The component supports robotic palletizing operations involving:

• Boxes
• Bags
• Containers
• Industrial packages

Its high torque output enables robots to handle repetitive heavy-load movements efficiently.

3. Material Handling

Used in automated production lines for:

• Loading and unloading
• Part transfer
• Assembly handling
• Machine tending

4. Manufacturing Automation

Suitable for industries requiring reliable robotic operation, including:

• Automotive manufacturing
• Logistics automation
• Food and beverage production
• General industrial assembly

Maintenance Considerations

• Verify the robot model and axis position before replacement.
• Check motor insulation, connectors, and mechanical mounting condition during maintenance.
• Inspect the pinion gear for wear, damage, or abnormal backlash.
• Ensure correct alignment between motor pinion and robot transmission components.
• Replace damaged seals or related mechanical parts when necessary.
• Perform robot calibration after major drive component replacement.

Conclusion

ABB 3HAC058991-003 is a high-performance robotic servo motor assembly with integrated pinion gear, designed for ABB industrial robot drive applications. With its 6495 W power rating, 17 Nm torque capability, and compatibility with ABB robot axis 2 and axis 3 drive systems, it provides reliable motion control and efficient torque transmission.