Ф1800支承辊断裂分析  

The fracture anaalysis of Φ1800mm back roll

作　　者：汤文德 

机构地区：[1]广西柳州钢铁(集团)公司

出　　处：《重型机械》2000年第5期48-50,共3页Heavy Machinery

摘　　要：对 2 8 0 0四辊中厚板轧机下支承辊的断裂进行了分析 ,得出了该辊的断裂是由于残余应力过大所致的结论 。The fracture of the bottom back roll of the four high rolling mill has been analyzed in this paper, and the conclusion that too big residual stress in the roll makes the roll fracture has been obtained. In the end, measures for preventing the fracture are given.

关 键 词：断裂 残余应力 疲劳寿命 钢板轧机 下支承辊 

分 类 号：TG333.7[金属学及工艺—金属压力加工]