中环是包钢线材厂钩式输送机的易损零件,净重1.05公斤,材质为35CrMo,全部尺寸黑皮公差值很小,形状比较复杂,锻造难度较大。 线材厂在外部订货困难的情况下,1983年初开始到机总厂订货。为了满足订方的需要,我们在试锻基本成功的基础上,接受了中环锻制任务,到1985年10月止,先后两批锻制了中环450件,质量全部达到设计要求,用户满意。 Central is a consumable part of the hook conveyor of Baotou Steel Wire Rod Mill with a net weight of 1.05 kg and a material of 35CrMo. The tolerance of the black leather of all sizes is small, the shape is complicated, and the forging is more difficult. Wire factory in the case of external ordering difficulties, beginning in early 1983 to the General Assembly orders. In order to meet the needs of the subscribers, we have accepted the task of forging in Central on the basis of the basic success of the test forging. Until October 1985, we have successively forged 450 pieces of the Central part in succession, all of which have met the design requirements and satisfied customers.