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ABB ACU-01B

The ABB ACU-01B (3HNA024871-001) is an Air Control Unit (ACU) designed for ABB robotic painting systems. It is mainly used in spray robot applications to precisely control air pressure, airflow, and atomizer parameters, ensuring stable spray quality and consistent coating performance.

The ACU-01B is part of ABB’s Integrated Process System (IPS) for paint robots and is installed on systems such as ABB IRB painting robots. It replaces the earlier ACU-01 model and provides improved communication and control capability.

Technical Description

• Manufacturer: ABB Robotics
• Product Name: Air Control Unit (ACU)
• Model: ACU-01B
• Part Number: 3HNA024871-001
• Application: ABB robotic spray painting systems
• Communication: Ethernet / CAN communication (depending on configuration)
• Power Supply: 24 VDC (typical robot system supply)
• Protection Class: IP65
• Operating Temperature: 0 to 55 °C (ABB ACU series data)
• Weight: Approximately 3.5–4 kg

Key Features

• Precise Air Regulation
  Provides closed-loop control of air pressure and airflow for spray atomizers, improving coating consistency.
• Fast Response Control
  Supports rapid adjustment of spray parameters, reducing production delays during color changes or workpiece changes.
• Robot Integration
  Designed for direct integration with ABB painting robots and IPS control architecture.
• Compact Industrial Design
  Suitable for installation close to the robot arm, reducing system complexity and improving reliability.

Application Range

ABB ACU-01B is widely used in:

• Automotive body painting lines
• Industrial robot spray coating systems
• Automotive parts painting
• Plastic and electronic component coating
• Automated surface finishing processes

It helps maintain accurate spray patterns, stable paint atomization, and improved coating quality.

Conclusion

The ABB ACU-01B (3HNA024871-001) is a high-performance air control module for ABB robotic painting systems. With accurate airflow regulation, fast response, and seamless robot integration, it is an important component for achieving consistent and efficient automated coating processes. It is commonly used as a replacement spare part for ABB paint robots requiring reliable air control performance.