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The article introduces the die - forging process for and the profile design of the piercing plug.
介绍了模锻生产穿孔顶头的工艺及顶头形状的设计.
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The piercing plug combined with coating material is developed by employing vacuum bonding coating process.
应用真空熔结涂层工艺研制出涂层组合材料穿孔顶头.
Different failures of the piercing plug and the causes responsible therefore are investigated.
分析了顶头的各种失效形式及产生的原因,提出了提高顶头使用寿命的措施.
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