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我厂使用的Z28-20滚丝机,其联轴器结构如图1所示。在滚压直径大于M30、材料为40Cr的螺栓时,联轴器结合子出现
I used Z28-20 rolling machine, the coupling structure shown in Figure 1. In the rolling diameter greater than M30, the material is 40Cr bolt, the coupling occurs