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摘要：
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薄壁钛合金锥形件广泛应用于航空航天及军事工业部门,现有的加工方法已无法满足高精度零件的要求,火焰加热温热强旋成为大型钛合金锥形件成形的重要加工方法。本文对TC4钛合金锥形件温热剪旋工艺进行了实验研究,给出TC4钛合金不同工艺条件下的成形情况,分析了缺陷产生的原因。确定了可行的TC4钛合金锥形件温热剪旋工艺,为采用温热剪旋工艺进行钛合金锥形件的批量生产奠定基础。
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Thin-wall cone workpieces of titanium alloys have been wildly used in important fields,such as aeronautics,aerospace and weapon industries.The existing processing methods have been unable to meet the requirements of precision parts.Power spinning heated by flame,a new technique of metal plastic forming,is recognized as an effective method to produce big thin-wall cone workpiece.A warm shear spinning process of TC4 titanium alloy cone workpiece was studied.The forming status of TC4 titanium alloy under different conditions was presented.The formation mechanism of quality defects was analyzed.The warm shear spinning process of TC4 titanium alloy cone workpiece was determined,which made a base for research on process of mass production of TC4 titanium alloy cone workpiece by warm shear spinning method.
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作者简介：
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参考文献：
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[3]刘莹,曲周德,王本贤.钛合金TC4的研究开发与应用[J].兵器材料科学与工程,2005,28(1):47-50.
[4]陈宇,康达昌.钛合金筒形件温热强旋热力耦合有限元模拟[J].哈尔滨工业大学学报,2006,38(2):191-193.
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