中国机械工程 ›› 2012, Vol. 23 ›› Issue (19): 2312-2316.

• 机械基础工程 • 上一篇    下一篇

航空薄壁件制孔毛刺生长控制工艺研究

洪华舟1;韦红余1;陈文亮1;金霞1;蒋红宇2;王宇波2;余路2   

  1. 1.南京航空航天大学,南京,210016
    2.上海飞机制造有限公司,上海,200436
  • 出版日期:2012-10-10 发布日期:2012-10-17
  • 基金资助:
    中国商飞大型民用客机关键技术攻关项目(1005-269083);国家商用飞机制造工程技术研究中心创新基金资助项目(samc11-js-07-209)

Control Process for Drilling Burr Growth of Aerospace Thin-walled Workpiece

Hong Huazhou1;Wei Hongyu1;Chen Wenliang1;Jin Xia1;Jiang Hongyu2;Wang Yubo2;Yu Lu2   


  1. 1.Nanjing University of Aeronautics and Astronautics,Nanjing,210016
    2.Shanghai Aircraft Manufacturing Co., Ltd.,Shanghai,200436
  • Online:2012-10-10 Published:2012-10-17

摘要:

针对典型的航空铝合金薄壁件,分析其制孔毛刺生长机理,指出钻削轴向力是影响毛刺生成的关键因素,进而对制孔加工区域进行细分,提出了一种通过控制进给量的分层进给制孔工艺,以优化控制毛刺形态及尺寸。设计的制孔工艺试验结果表明:与传统制孔工艺相比,分层进给制孔工艺能有效抑制毛刺形成,控制毛刺生长,显著提高制孔质量。

关键词: 薄壁件, 制孔毛刺, 控制工艺, 优化控制

Abstract:

The drilling burr formation mechanism of a typical aluminum alloy thin-walled workpiece in aero industries was studied.It is shown that the thrust force of drilling process is the most influential factor of the burr formation.Based on this,in order to optimal control drilling burr shapes and sizes,the drilling area was subdivided,and then a layered feed drilling process was advanced.The test drilling process was designed,and the results prove that the layered feed drilling process can inhibit the burr formation effectively,control the burr growth and improve the hole quality significantly.

Key words: thin-walled workpiece, drilling burr, control process, optimal control

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