拆杠过程与老大他们一致,就不多讲了。拆下原车铁杠,感觉还是比较结实的,但是直接加装拖车钩恐怕还是无法承受巨大的拖拽力,特别是铁杠也大梁链接处,2mm的钢板更显单薄。于是,与本单位车间主任及众师父商量,结合内铁杠,再衬一块8mm厚的钢板,并加工成与原铁杠弧度及大梁链接处角度一致的形状,再在中心位置同样使用8mm钢板加固,打孔,套丝。成型后的铁杠比原车结实许多,足以胜任今后所面临的艰巨任务。请看图片。
1.加工后试装
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