Rail Transit (High-Speed Rail, Trains)

Detailed Documentation

Background and Issues: China has built the world is most modern railway network and large-scale high-speed rail system, with the number of rail transit vehicles continuously increasing, leading to higher requirements for manufacturing efficiency and quality. Traditional manual spraying suffers from low efficiency, poor consistency, and high costs, making it difficult to meet the demands of large-scale, high-standard, and multi-model co-line painting production.

Core Solution and Principle: This solution employs explosion-proof six-axis spraying robots mounted on external moving axis rail systems, integrated with automatic paint feeding, adjustment, and atomization spraying equipment, to achieve fully automatic high-quality spraying of rail transit vehicle surfaces. Robots can operate across regions along the rails, significantly expanding coverage and flexible production capacity. By precisely controlling core parameters such as robot movement speed, spray gun trajectory, paint flow rate, and atomization pressure, and implementing real-time monitoring throughout the process, spraying consistency is ensured. Once spraying programs are verified and approved, the first inspection pass rate for vehicles of the same model can reach 100%.

Core Innovation Points/Advantages:

 Flexible Modular Integration: The system adopts a modular architecture, supporting rapid product line changeover and customized spraying for different rail vehicle models and sizes, adapting to multi-variety, small-batch production modes;

 High-Precision Motion and Spraying Control: The robot system (possesses) 9-axis (cooperative control) capability, combined with high-dynamic external axes, significantly enhancing spraying coverage and trajectory accuracy, easily handling complex curved surfaces of large-sized rail vehicle bodies such as high-speed trains and EMUs;

 Intelligent Quality and Cost Control: Achieving fully automatic spraying operations, automation rate is increased by over 50%, false alarms and downtime are reduced by 95%, and annual savings of over one million yuan in quality inspection and labor costs are realized.

Application Scenarios and Value: Applicable to exterior painting of rail transit vehicles such as high-speed trains, EMUs, and subways, particularly suitable for scenarios with multi-model mixed-line production and high appearance quality requirements. It can significantly improve coating consistency and production efficiency, reduce rework rates and comprehensive costs, and help customers build stable, reliable, and sustainably upgradable intelligent painting production lines.

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Rail Transit (High-Speed Rail, Trains)

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