In order to meet the technical requirement of breech ring blank, the past single piece forging for high& mid-strength steel breech ring blank was changed into multiple length forging.
在满足炮尾毛坯锻件技术要求的前提下,采用倍尺锻造法和直接拔长工艺代替传统的单件锻造工艺。
Based on different theories and techniques for the reduction of stress concentration, and on the basis of forms of breech ring fillets in general use, over a dozen of fillet forms are proposed.
根据降低应力集中的理论和技术措施,在现有常用的炮尾闩室圆角的基础上,提出了十几种圆角形式。
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