大规格MC3A平整辊坯的研制开发

Development of the big-size MC3A skin pass roll

采用电渣重熔+压实锻造+锻后正火+球化退火方式研制质量要求严格的直径大于1 000 mm的MC3A平整辊辊坯获得成功.本文着重讨论电渣重熔、压实锻造以及锻后热处理的工艺控制要点.

The process of ESI〈 ＋ solid forging ＋ normalizing after forging ＋ spheroidizing annealing to produce the high quality big - size MC3A skin pass roll with diameter more than 1000mm was designed and developed successfully. In the thesis, the author mainly discusses the key points of technical process control of ESR., solid forging and heat treatment after forging.