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Processing curved surface with a high-speed triple galvanometer laser 3D scanning system.

Yi Liu, Xinke Xu, Yunfei Zhang

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    |August 13, 2025
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    Summary
    This summary is machine-generated.

    A new triple galvanometer laser 3D scanning system (TGLSS) improves high-speed processing of curved surfaces. Variable speed filling enhances uniformity and quality in laser ablation applications.

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    Area of Science:

    • Materials Science
    • Manufacturing Engineering
    • Optical Engineering

    Background:

    • High-speed laser processing of curved surfaces faces challenges in efficiency and uniformity due to limitations in existing 3D scanning equipment.
    • Achieving consistent laser energy distribution and spot overlap on non-planar geometries is a significant hurdle.

    Purpose of the Study:

    • To introduce and evaluate a novel high-speed triple galvanometer laser 3D scanning system (TGLSS) for curved surface processing.
    • To investigate the laser-material interaction and ablation mechanisms on curved surfaces using the developed system.
    • To enhance processing quality and uniformity through optimized scanning strategies.

    Main Methods:

    • Development and implementation of a high-speed triple galvanometer laser 3D scanning system (TGLSS).
    • Derivation of equations for laser energy distribution and spatial spot overlap rate on curved surfaces.
    • Experimental validation on cylindrical surfaces, analyzing processing differences across various positions.
    • Application of a variable speed filling method to improve surface processing quality.

    Main Results:

    • The TGLSS demonstrated capability for high-speed laser processing of curved surfaces.
    • Analysis revealed variations in laser energy distribution and spot overlap on curved geometries.
    • Experimental results confirmed processing differences at different surface locations.
    • The variable speed filling method significantly improved the uniformity and quality of laser ablation on cylindrical surfaces.

    Conclusions:

    • The developed TGLSS effectively addresses limitations in high-speed curved surface laser processing.
    • Understanding laser-material interaction and optimizing scanning parameters, such as variable speed filling, are crucial for uniform ablation.
    • This approach offers a pathway to enhanced precision and efficiency in laser manufacturing of complex geometries.