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模锻生产的金属利用系数为C_1=M_1/M_4.式中,M_1是零件的净质量;M_4为金属材料消耗定额,单位均为kg.一些主管部门往往把C_1值作为评价不同车间(或不同工艺)模锻生产工艺水平的重要指标之一.但C_1值的大小不仅仅与模锻生产的工艺水平有关,而且在很大程度上又同时依赖于零件的工艺性(结构和尺寸).因此,简单地用C_1值来评价生产工艺水平之高低,不太确切.例
The metal utilization factor for die forging is C_1 = M_1 / M_4, where M_1 is the net mass of the part, M_4 is the consumption quota of the metal material, and the unit is kg. Some administrations often regard C_1 as the evaluation of different workshops Technology) is one of the most important indexes of die forging production.However, the value of C_1 is not only related to the technological level of die forging, but also to a large extent depends on the workability (structure and size) of the part. , Simply use the C_1 value to evaluate the level of the level of production technology, not exactly