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    GH4145合金毛細(xì)管的穿孔工藝探討

    Discussion on Hot-piercing Process for GH4145 Alloy Capillarity Tube

    • 摘要: 介紹GH4145合金毛細(xì)管的生產(chǎn)工藝流程，重點(diǎn)分析其穿孔工藝，指出穿孔工藝的關(guān)鍵控制點(diǎn)，并對(duì)穿孔工藝進(jìn)行改進(jìn)。分析認(rèn)為：加大皮帶輪尺寸，在管坯尾端焊接長(zhǎng)度50～100 mm的碳素管坯，調(diào)整穿孔機(jī)頂桿小車水平度，將穿孔機(jī)導(dǎo)板改為導(dǎo)輥，可降低穿孔缺陷的產(chǎn)生概率，提高穿孔效率和產(chǎn)品成材率。

       

      Abstract: Briefed in the paper is the manufacturing process for GH4145 wrought superalloy capillarity tube,focusing on an in-deep analysis of the piercing process.And the key control points thereof are identified,and accordingly the piercing process is improved.The analysis leads to such as conclusion that,the propobility of piercing defects will be reduced,and the piercing efficiency and the product yield are enhanced by means of increasing the pulley size,welding a 50~100 mm long carbon steel tube onto the GH4145 tube end,adjusting the levelness of the plug bar car of the piercing mill,and replacing the piercer guide shoe with guide roller, etc.

       

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