研究目的
Investigating the laser etching process on painted plastic parts to reduce the risk of engraving failures in mechatronic devices, focusing on the influence of laser parameters and the drying stage of painted parts.
研究成果
The study demonstrated the importance of adjusting laser current based on the drying stage of painted parts to prevent engraving failures. It highlighted the need for further research on different paint systems and laser equipment types, as well as the potential for using the Taguchi method for parameter optimization.
研究不足
The study was limited to one type of plastic material and paint system. Differences in laser equipment types and the life duration of laser diodes were noted as potential variables affecting results.
1：Experimental Design and Method Selection:
The study involved adjusting laser parameters (current, speed, pulse width) for etching painted plastic parts at different drying stages.
2：Sample Selection and Data Sources:
18 button sets were used, with parts delivered to laser etching at varying times after painting.
3：List of Experimental Equipment and Materials:
Rofin-Sinar Laser, model Power Line E-20, polycarbonate (PC) Makrolon 2405, Alexit paint system.
4：Experimental Procedures and Operational Workflow:
Parts were etched at different times post-painting, with adjustments made based on visual inspection and laboratory measurements.
5：Data Analysis Methods:
2D optical measurement and 3D scanning were used to evaluate the etching quality and depth.
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