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对FM锻造新工艺(Free from Mannesmann Effect)进行了试验研究,求出了FM锻造法与普通锻造法对闭合空洞能力及锻造压力的相对关系,以及FM法的最佳砧宽比及压下率。为制定生产工艺提供了依据。按FM法锻造的模块成品合格率达到100％。
The new FM forging process (Free from Mannesmann Effect) was studied. The relative relationship between the FM forging method and the normal forging method and the forging pressure and the best anvil-width ratio and reduction ratio . To provide a basis for the production process. By FM method of forging the finished product module pass rate of 100%.