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随着国民经济飞速向前发展,要求电机的品种,数量大幅度地增长。作为电机制造的主要环节——冲压生产必须用更高的速度生产出符合要求的冲压件来,并要进一步革除冲压后的机加工工艺。可是,不少单位现有的冲模冲出的冲压件质量较差,达不到要求,被迫用机械加工来弥补冲压件的精度不足。造成这种情况的原因是多方面的,其中主要原因之一是对冲压过程的规律性认识不足,未能采取有效的措施及时加以解决。毛主席早就指出:“感觉到了的东西,我们不能立刻理解它,只有理解了的东西才更深刻地感觉它。感觉只解决现象问题,理论才解决本质问题。”电机生产中,定子、
With the rapid development of the national economy, the variety and number of motors are required to increase substantially. As a major part of the motor manufacturing - stamping production must be higher speed to produce the required stampings, and to further eliminate the stamping of the machining process. However, many existing stamping die out of poor quality, not meet the requirements, forced to use mechanical processing to make up for the lack of accuracy of stamping parts. The reasons for this are many. One of the main reasons is the lack of understanding of the regularity of the stamping process and the failure to take effective measures to solve it in a timely manner. Chairman Mao pointed out long ago: “When we feel something, we can not understand it immediately, and only understand things to feel it more profoundly.It feels that we can only solve the problem of phenomena and theories solve the essential problems.” In the production of motors,