首件批准制度的应用

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首件批准制度是在重要产品上控制关键重要零部件质量的方法,用于验证产品制造过程及产品质量满足设计要求的程度,商用航空发动机制造过程就广泛采用此方法。商用航空发动机要求高可靠性、长寿命和经济性,对产品性能及一致性提出了更高要求,需要对原材料、锻铸件、零部件的加工全过程进行 The first piece approval system is a method of controlling the quality of key critical components on critical products to verify that the manufacturing process and product quality meet the design requirements. This approach is widely used in the manufacturing of commercial aero-engines. Commercial aircraft engines require high reliability, long life and economy, and put forward higher requirements on product performance and consistency. The whole process of processing raw materials, forging castings and spare parts needs to be carried out
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