Experimental study on waterjet guided laser processing of 7075 aluminum alloy

Yaowen Wu; Guangyi Zhang; Jianxin Wang; Yang Chao; Wenwu Zhang

doi:10.1117/12.2587659

2 December 2020 Experimental study on waterjet guided laser processing of 7075 aluminum alloy

Yaowen Wu, Guangyi Zhang, Jianxin Wang, Yang Chao, Wenwu Zhang

Proceedings Volume 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics; 117173J (2020) https://doi.org/10.1117/12.2587659
Event: 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 2020, Shanghai, China

Abstract

As a new type of micro machining technology, waterjet guided laser processing technology has the advantages of small thermal damage, strong depth ability and small taper effect compared with the traditional dry laser processing technology, and it has broad development and application prospects. 7050 aluminum alloy has been widely used in aerospace manufacturing because of its high strength, high toughness and excellent stress corrosion resistance. In this paper, 7075 aluminum alloy was processed by waterjet guided laser processing technology, and they were studied that the influence of waterjet speed and workpiece feed speed on cutting depth and surface quality. The results show that the cutting depth increases with the increase of waterjet speed in single cutting, and decreases with the increase of workpiece feed speed. By adjusting the process parameters, the surface quality of cutting surface and micro hole machining is better than the results of traditional dry laser processing. In conclusion, the influence of laser processing parameters on the processing of aluminum alloy is analyzed, and the processing method of 7075 aluminum alloy is expanded.

Citation Download Citation

Yaowen Wu, Guangyi Zhang, Jianxin Wang, Yang Chao, and Wenwu Zhang "Experimental study on waterjet guided laser processing of 7075 aluminum alloy", Proc. SPIE 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 117173J (2 December 2020); https://doi.org/10.1117/12.2587659

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