T/CI 038-2022 Laser depainting robot system for aircraft skin and quality evaluation specification

Scope

Scope: This document specifies the terminology, definitions, technical requirements, and test methods for laser paint removal systems and applications on civil aircraft skins (hereinafter referred to as "robot paint removal systems"). This document applies to laser paint removal systems on civil aircraft skins based on multi-axis industrial robots. Main technical content: 3.1 Civil aircraft skin paint layers A paint layer applied to the outer surface of civil aircraft skins. Aircraft paints must meet requirements such as corrosion resistance, high/low temperature resistance, UV resistance, impact resistance, lightweight design, durability, and decorative function. 3.2 Civil aircraft skin paint layer material systems A coating system composed of different properties of paint layers according to the application scenarios of civil aircraft outer skins. The coating system is divided into metal material aircraft paint systems and composite material paint systems. The former mainly consists of primer and topcoat, while the latter includes surface treatment layers (phosphate primer), primer, intermediate layer, base coat, clear coat, and topcoat. 3.3 Robot technical specifications Robot degrees of freedom, working speed, working range, working load, and working accuracy, as well as repeat accuracy. 3.4 Laser technical specifications Average laser power, output wavelength, pulse width, single pulse energy, and repetition frequency. 3.5 Paint removal processing head performance specifications Performance specifications ensuring the paint removal processing head meets the requirements for paint removal quality. These include paint removal scan line length, scan line speed, focal distance, and focal spot diameter. 3.6 Dust removal and exhaust systems Technical specifications for meeting environmental protection requirements and ensuring the minimum flow rate for dust and fumes generated during paint removal operations. 3.7 Laser paint removal pro

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