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A process modeling approach for micro drilling of aerospace alloys with a waterjet guided laser system
Optics & Laser Technology ( IF 4.6 ) Pub Date : 2021-12-01 , DOI: 10.1016/j.optlastec.2021.107682
Levent Subasi 1, 2 , Mustafa I. Gokler 1 , Ulas Yaman 1
Affiliation  

Laser drilling is a preferred method to make cooling holes on gas turbine parts. Although it is a fast process, there are some quality issues. Waterjet guided laser (WJGL) is a hybrid process, in which a laser beam is coupled with and guided through thin cylindrical waterjet. Pressurized water in this novel process provides focusing, cooling and cleaning of the machining zone, eliminating undesired side effects of the laser. The process can be conveniently used for micro drilling operations on aerospace jet engine parts. However, more research on the process is required to understand the effects of the variables on material removal rate. The drilling time varies for each material and geometry. Optimum parameters should be adjusted for each case. In this study, the material removal mechanism of WJGL is investigated and a holistic modeling approach is developed including the necessary parameters for drilling of different aerospace materials and hole geometries.



中文翻译:

水刀制导激光系统对航空合金微钻孔的工艺建模方法

激光钻孔是在燃气轮机部件上制作冷却孔的首选方法。虽然这是一个快速的过程,但存在一些质量问题。水刀制导激光 (WJGL) 是一种混合工艺,其中激光束与薄圆柱形水刀耦合并引导。这种新工艺中的加压水提供加工区的聚焦、冷却和清洁,消除了激光的不良副作用。该工艺可方便地用于航空航天喷气发动机零件的微钻孔操作。但是,需要对该过程进行更多研究,以了解变量对材料去除率的影响。钻孔时间因材料和几何形状而异。应针对每种情况调整最佳参数。在这项研究中,

更新日期:2021-12-01
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