对于航空发动机零部件中难以钻削加工的小孔,比较成熟应用于生产的工艺方法有:电火花、电解、激光等。而近年来国外某些发动机制造工厂(如法国透博梅卡公司),已将电子束加工技术成功地应用于燃烧室零件的气膜冷却小孔加工,它具有如下明显的优点: 1.不仅可加工高硬的金属材料,而且能加工陶瓷、塑料等绝缘材料。 2.对斜孔加工毫无困难。 For aero-engine parts difficult drilling drilling holes, more mature technology used in the production process are: EDM, electrolysis, laser and so on. In recent years, some foreign engine manufacturing plants (such as France Turbomeca), the electron beam processing technology has been successfully applied to the combustion chamber parts of the film cooling hole machining, which has the following obvious advantages: 1. Not only Machinable high hardness of metal materials, but also processing ceramics, plastics and other insulation materials. 2. Slanting holes without any difficulty.