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本文介绍了第一重型机械集团公司分别用FM法和KD法,以及两种锻造法联合生产70Cr3Mo钢整锻大型支承辊的工艺及生产经验。使用这些工艺能实现轧辊内部良好压实,减少锻造火次,提高锻造生产率。
This paper introduces the experience and production experience of the first heavy machinery group company using FM method and KD method, and the two kinds of forging method to produce 70Cr3Mo steel forging large support roller. The use of these processes enables good compacting of the rolls inside, reducing the number of forged fires and increasing forging productivity.