通过工艺试验及试验件锻造缺陷分析，改进了锻模飞边槽结构，解决了试生产过程中产生的锻造折叠。
Through trial production, the forging defects of the samples were analyzed. The structure of die flash groove was improved. The problem of overlapping in samples was solved.
在该预锻模中，采用阻力墙形式构造飞边槽，采用凸形连皮结构连接多个大变截面。
In the pre-forming die, a resistance wall was adopted to build the flash groove and a convex web structure was used to connect the great varying cross-sections.
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