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一、前言在小型电机中,铁芯是产品的主要部件之一,铁芯的重量占产品总重量的25～30%,甚至更多。大量的硅钢片需要用冲床和模具
I. Introduction In a small motor, the core is one of the main components of the product, the core weight of the total product weight of 25 to 30%, or even more. A large number of silicon steel need to punch and die