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GH4169G整体叶盘阶梯铣削稳定性研究

刘强 柳万珠

刘强, 柳万珠. GH4169G整体叶盘阶梯铣削稳定性研究[J]. 航空动力学报, 2016, 31(5): 1025-1031. doi: 10.13224/j.cnki.jasp.2016.05.001
引用本文: 刘强, 柳万珠. GH4169G整体叶盘阶梯铣削稳定性研究[J]. 航空动力学报, 2016, 31(5): 1025-1031. doi: 10.13224/j.cnki.jasp.2016.05.001
LIU Qiang, LIU Wan-zhu. Stability research on step milling of GH4169G blisk[J]. Journal of Aerospace Power, 2016, 31(5): 1025-1031. doi: 10.13224/j.cnki.jasp.2016.05.001
Citation: LIU Qiang, LIU Wan-zhu. Stability research on step milling of GH4169G blisk[J]. Journal of Aerospace Power, 2016, 31(5): 1025-1031. doi: 10.13224/j.cnki.jasp.2016.05.001

GH4169G整体叶盘阶梯铣削稳定性研究

doi: 10.13224/j.cnki.jasp.2016.05.001
基金项目: 

高档数控机床与基础制造装备科技重大专项(2013ZX04001-081)

详细信息
    作者简介:

    刘强(1963-),男,湖南耒阳人,教授、博士生导师,博士,主要从事数控加工过程仿真优化等方面研究.

  • 中图分类号: V214.4;TG506.9

Stability research on step milling of GH4169G blisk

  • 摘要: 为解决高强高温合金GH4169G整体叶盘叶片铣削加工不稳定问题,通过有限元分析的方法,分析了沿大径方向(叶片宽度)和轴向(叶身方向)两种逐层铣削方案对加工稳定性的影响,研究了阶梯铣削工艺和传统双面对称铣削工艺对整体叶盘叶片铣削稳定性的影响.结果表明:沿大径方向逐层加工时,其理论绝对稳定极限切削深度小于实际加工中可能的最大切削深度,主轴转速、切削深度等切削参数选择范围较小;而沿轴向逐层加工时,其理论绝对稳定极限切削深度大于实际加工中可能的最大切削深度.与传统双面对称铣削工艺相比,阶梯铣削工艺使整体叶盘叶片的刚度得到提高,相同载荷下叶片的最大变形量降低了60%,其前6阶模态频率均较高,加工过程更稳定,加工出的叶片能满足设计要求.

     

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出版历程
  • 收稿日期:  2014-09-13
  • 刊出日期:  2016-05-28

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