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1.断裂情况 以我单位J51—4000kN摩擦压力机为例,床身材料为ZG45,床身左立柱中间位置断裂,其断裂口占总横断面积的百分之七十五以上,横断面断裂长度1200mm。
1. Fracture situation Take my unit J51-4000kN friction press as an example, the bed material is ZG45, and the middle column of the left column of the bed is fractured. The fracture opening accounts for more than 75% of the total cross-sectional area and the cross-sectional rupture length is 1200mm .