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gong chang yu yong hu
Pages: 32
Year: Issue:  10
Journal: Farm Machinery

Keyword:  从动齿轮淬火硬度般县拖拉机厂淬硬渗碳层钻头直径图号轮载可用功;
Abstract: <正>难题应该这样解决我公司进了一批东方红-54/75拖拉机的大从动齿轮,这些齿轮的φ16.6的孔都有淬火硬度。这样一般县、社使用和修理单位无法加工铰配,用户购货后还不得不为这点小事到大厂求援,给拖拉机检修造成很大困难,我们也感到为难。
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