Aerospace and Aviation

Detailed Documentation

Background and Issues: The Industrial 4.0 initiative is driving the transformation of various industries toward automation and intelligence. In aerospace manufacturing, aircraft painting is not only related to appearance but also directly impacts aerodynamic performance, corrosion resistance, and stealth characteristics. Traditional manual spraying suffers from low efficiency, poor consistency, high VOC emissions, and insufficient paint utilization, particularly in large-scale and complex curved surface operations where it is difficult to simultaneously ensure process quality and production rhythm.

Core Solution and Principle: This solution employs an explosion-proof spraying robot system mounted on a high-stiffness lightweight external axis platform to achieve automated whole-aircraft spraying. The system integrates high-precision spray guns, paint conveying and regulating systems, and online cleaning units, enabling real-time control of paint flow rate, pressure, and spray width to ensure uniform film thickness and coating quality. Through ten-axis linkage and machine vision fusion, it automatically identifies spraying paths and dynamically plans trajectories, adapting to different aircraft models and surface features.

Core Innovation Points/Advantages:

• High-Safety Collision Avoidance System: A self-developed whisker sensor is arranged around the spray gun to form an active protection zone. Once the whisker contacts an object, the system immediately alarms and stops, effectively protecting the aircraft skin and equipment safety;

• High-Precision Positioning: Large-scale visual precise positioning: The HIRUNVISION visual system is adopted, achieving ±5mm-level offset compensation for aircraft under non-strict jig positioning conditions through mobile multi-point imaging and three-dimensional modeling, significantly improving positioning efficiency and flexibility;

• High-Efficiency Spraying and Extreme Material Saving: The whole-aircraft spraying cycle per 100㎡ does not exceed 1.5 hours, and the single module spraying time is ≤10 minutes. Under the premise of light weight (total weight <25t), the system achieves a large coverage range of X≥25m, Y≥12m, Z 0.9–6m, and with the near-end paint conveying system, greatly improves paint utilization.

Application Scenarios and Value: It is applicable to whole-aircraft or large component painting of aerospace aircraft such as military aircraft, civil aircraft, and fixed-wing drones, especially suitable for production scenarios with extremely high requirements for appearance quality, environmental tolerance, and process consistency. The system can significantly improve coating performance and production efficiency, reduce labor costs and paint consumption, and support green production and intelligent manufacturing transformation.

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Aerospace and Aviation

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