Experimental Research on Low Frequency Vibration-Assisted Hole Making of Ti/Al Stacked Structure

YANG Haojun; CHEN Yan; XU Jiuhua

doi:10.16080/j.issn1671-833x.2017.1/2.016

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Experimental Research on Low Frequency Vibration-Assisted Hole Making of Ti/Al Stacked Structure

更新时间：2025-10-30

- Experimental Research on Low Frequency Vibration-Assisted Hole Making of Ti/Al Stacked Structure
- Aeronautical Manufacturing Technology Vol. 60, Issue 1/2, (2017)
- 作者机构：
  
  1. 南京航空航天大学,南京,210016
  2. 江苏省精密与微细制造技术重点实验室,南京,210016
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2017.1/2.016
  CLC：
- Published：2017
- 稿件说明：
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杨浩骏，陈燕，徐九华，张永升. Ti/Al叠层结构低频振动制孔试验研究*[J]. 航空制造技术, 2017, 60(1/2): 16-21. YANG Haojun1,2, CHEN Yan1,2, XU Jiuhua1,2, ZHANG Yongsheng1,2. Experimental Research on Low Frequency Vibration-Assisted Hole Making of Ti/Al Stacked Structure. Aeronautical Manufacturing Technology, 2017, 60(1/2): 16-21.

YANG Haojun, CHEN Yan, XU Jiuhua. Experimental Research on Low Frequency Vibration-Assisted Hole Making of Ti/Al Stacked Structure[J]. Aeronautical Manufacturing Technology, 2017, 60(1/2).
杨浩骏，陈燕，徐九华，张永升. Ti/Al叠层结构低频振动制孔试验研究*[J]. 航空制造技术, 2017, 60(1/2): 16-21. YANG Haojun1,2, CHEN Yan1,2, XU Jiuhua1,2, ZHANG Yongsheng1,2. Experimental Research on Low Frequency Vibration-Assisted Hole Making of Ti/Al Stacked Structure. Aeronautical Manufacturing Technology, 2017, 60(1/2): 16-21. DOI： 10.16080/j.issn1671-833x.2017.1/2.016.

YANG Haojun, CHEN Yan, XU Jiuhua. Experimental Research on Low Frequency Vibration-Assisted Hole Making of Ti/Al Stacked Structure[J]. Aeronautical Manufacturing Technology, 2017, 60(1/2). DOI： 10.16080/j.issn1671-833x.2017.1/2.016.

摘要

钛合金与铝合金叠层构件的装配孔制备过程中存在孔壁质量差、尺寸超差等问题，为解决该问题，开展了低频轴向振动扩孔、铰孔与传统扩孔、铰孔的对比试验，重点分析了其在切屑形态、加工质量等方面的差异。结果表明，振动制孔技术能够产生C 形或发条形切屑，利于切屑排出，减小铝合金孔壁的划伤。使用振动辅助技术进行一次扩孔与一次铰孔后，钛合金与铝合金孔壁粗糙度均可低于R a0.6μm，孔径精度可满足H7 公差等级，出口毛刺高度小于200μm。

Abstract

There are still some problems in assembly holes making of the titanium and aluminum stacks (Ti/Al stacks)

such as the poor holes surface quality and out-of-tolerance diameter. In this article

low frequency vibration-assisted boring and reaming of Ti/Al stacks were investigatedin compared with the traditional ones.Both chip morphology and processing quality were analyzed. It was found that distinctive mechanical damage of the Aluminum holes surface could be significantly reduced due to the improved extraction of the small chip segments.After one operation of boring and reaming with low frequency vibration assisted processing

The average surface roughness of both titanium and aluminum can reach R a0.6μm. The hole diameter can meet a tolerance of H7 and the burr height on exit side can be reduced below 200μm.

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