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航空发动机的燃油控制系统作为发动机上的附件,整体结构小,其中的零部件也是小,这对于靠加工来保证高精度会增加不小的难度,比如微小高精度齿轮(Ⅴ级精度)的加工等。对于难加工材料,不能独立起来研究,应该说难加工技术,在发动机中控制泵的关重零件中还没有一种是直接使用其基体材料的,都会进行各种特种工艺处理,而且在特种工艺后一般都会要求进行
Aeroengine fuel control system as an engine on the annex, the overall structure of the small, which is also a small parts, which by processing to ensure high accuracy will increase no small difficulty, such as small high-precision gear (Grade V precision) processing Wait. For hard-to-machine materials, can not be studied independently, it should be said that difficult processing technology, control of the pump in the engine is not a critical part of the direct use of its substrate material, will carry out a variety of special processing, and special technology After the general requirements will be carried out