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Laser drilling in gas turbine blades

机译:燃气轮机叶片中的激光钻孔

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摘要

Drilling applications represent about 5 % of the industrial laser materials processing applications. Cooling holes in gas turbines for aircrafts as well as for power plants are one of the main applications. The improvement of productivity has led to several drilling strategies with respect to laser sources (thermal drilling and ablation drilling), the beam handling, beam distribution, and handling of the work piece, all of which contribute to the overall efficiency of the process and a high productivity. We present the successful development and implementation of a combination of laser systems with different pulse durations for drilling complex 3D geometries (see Fig. 1).
机译:钻孔应用约占工业激光材料加工应用的5%。飞机以及发电厂的燃气轮机中的冷却孔是主要应用之一。生产率的提高导致了针对激光源(热钻孔和烧蚀钻孔),光束处理,光束分布和工件处理的几种钻孔策略,所有这些都有助于提高工艺的整体效率并提高加工效率。高生产率。我们介绍了具有不同脉冲持续时间的激光系统组合的成功开发和实施,用于钻削复杂的3D几何形状(见图1)。

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