Qiang Liu, Jian Wang, Pengpeng Sun, Ming Li, Hui Wang, Zhenshuo Yin, Liuquan Wang, Kunhang Li. Research and Development of Key Technologies and Equipment for Multiaxis CNC Laser Engraving[J]. Chinese Journal of Lasers, 2022, 49(10): 1002401
- Chinese Journal of Lasers
- Vol. 49, Issue 10, 1002401 (2022)
Fig. 1. Schematic of chemical milling process
Fig. 2. Schematic of primary and secondary laser engraving process. (a) Section of laser engraving; (b) erosion ratio and processing line of laser engraving
Fig. 3. Schematic of automatic programming of laser engraving
Fig. 4. Automatic generation of complex tool path for laser engraving. (a) Program results of primary engraving; (b) program results of secondary engraving
Fig. 5. B-spline fitting accuracy of laser engraving position points. (a) Fitting accuracy of complete B-spline curve；(b) fitting accuracy of segmented B-spline curve
Fig. 6. Fitting accuracy of segmented double B-spline trajectory. (a) Fitting accuracy of segmented B-spline curve of laser engraving position; (b) fitting accuracy of segmented B-spline curve of laser engraving direction
Fig. 7. Angular accuracy of laser engraving attitude point
Fig. 8. Simulation results of optical electromechanical collaborative optimization algorithm
Fig. 9. Optimization results of laser engraving process parameters; (a) Optimization results of engraving process parameters under equal weight; (b) optimization results of engraving process parameters under unequal weight
Fig. 10. Principle and prototype composition of 6-axis 5-linkage intelligent NC laser engraving machine tool. (a) Schematic of main equipment; (b) function model of system
Fig. 11. Optical transmission system. (a) Design drawing of optical transmission system; (b) hardware of optical transmission system
Fig. 12. Composition of opto-mechatronics cooperative control system
Fig. 13. Software function block diagram of opto-mechatronics cooperative control system
Fig. 14. Engineering prototype and laser engraving process. (a) Engineering prototype; (b) laser engraving process
Fig. 15. Laser engraving results of engineering sample. (a) Primary engraving; (b) primary stripping; (c) secondary engraving; (d) secondary stripping
Fig. 16. Laser grooving and removing chemical milling adhesive of primary engraving. (a) Laser grooving of primary engraving; (b) effect after removing chemical milling adhesive
Fig. 17. Laser grooving and removing chemical milling adhesive of secondary engraving
Fig. 18. Secondary chemical milling results of engineering sample. (a) Actual part; (b) measured result
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Table 1. Comparison of different trajectory curves of laser engraving position points
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Table 2. Laser engraving trajectory of segmented double B-spline curve
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Table 3. Simulation conditions of optical electromechanical collaborative optimization
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Table 4. Optimization constraints of laser engraving process parameters
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