Experimental Study on Ultrasonic Vibration Assisted Dry Drilling for SiCf/SiC eramic Matrix Composites

CHEN Yurong; SU Honghua; FU Yucan; HE Jingyuan; ZHANG Wei

doi:10.16080/j.issn1671-833x.2018.21.047

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Experimental Study on Ultrasonic Vibration Assisted Dry Drilling for SiCf/SiC eramic Matrix Composites

更新时间：2025-10-30

- Experimental Study on Ultrasonic Vibration Assisted Dry Drilling for SiCf/SiC eramic Matrix Composites
- Aeronautical Manufacturing Technology Vol. 61, Issue 21, Pages: 47-51(2018)
- 作者机构：
  
  南京航空航天大学机电学院,南京,210016
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2018.21.047
  CLC：
- Published：2018
- 稿件说明：
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陈玉荣，苏宏华，傅玉灿，何静远，张炜. 超声振动辅助干式钻削SiCf/SiC陶瓷基复合材料试验研究[J]. 航空制造技术, 2018, 61(21): 47-51.

CHEN Yurong, SU Honghua,FU Yucan, HE Jingyuan, ZHANG Wei. Experimental Study on Ultrasonic Vibration Assisted Dry Drilling for SiCf/SiC eramic Matrix Composites. Aeronautical Manufacturing Technology, 2018, 61(21): 47-51.
陈玉荣，苏宏华，傅玉灿，何静远，张炜. 超声振动辅助干式钻削SiCf/SiC陶瓷基复合材料试验研究[J]. 航空制造技术, 2018, 61(21): 47-51. DOI： 10.16080/j.issn1671-833x.2018.21.047.

CHEN Yurong, SU Honghua,FU Yucan, HE Jingyuan, ZHANG Wei. Experimental Study on Ultrasonic Vibration Assisted Dry Drilling for SiCf/SiC eramic Matrix Composites. Aeronautical Manufacturing Technology, 2018, 61(21): 47-51. DOI： 10.16080/j.issn1671-833x.2018.21.047.

摘要

针对SiCf/SiC 陶瓷基复合材料在干式钻削中的工具磨损快、加工效率低等问题，提出了一种基于有序排布钎焊金刚石套料钻的超声振动辅助干式钻削加工工艺。采用不同排布参数下的钎焊金刚石套料钻对SiCf/SiC 陶瓷基复合材料进行超声振动辅助钻孔加工，通过对加工孔径的测量，研究钎焊金刚石套料钻磨粒排布参数对钻孔工具寿命和制孔精度的影响规律，分析工具不同位置处磨粒的磨损特征。结果表明：工具端面磨粒越多，工具使用寿命越长；工具侧边磨粒排布越长，列数越多，加工孔的孔径变化越小；距离工具端面越近处的磨粒磨损越大，主要以宏观破碎和磨耗平台为主，而距离工具端面较远处的磨粒磨损较小。

Abstract

For the problem of the fast tool wear and low processing efficiency for SiCf/SiC ceramic matrix composites ith dry drilling

an ultrasonic vibration assisted dry drilling processing method with the brazed drill of defined grain istribution is proposed. The brazed diamond drill with different defined grain distribution parameters is used to drill the iCf/SiC ceramic matrix composite w th the ultrasonic vibration. By the measurement of the machining holes

the influence aw of the defined grain distribution parameters on the tool life and the size of the hole accuracy are studied

and the abrasive ear characteristics at different positions of the tool are analyzed. The results show that the longer service life with the ore grins in the tool end surface. The longer and the more number of columns abrasive grain layout of the tool side

the maller changes for the pore size of the holes. The nearer the abrasive distance to the end of the tool

the more serious the brasive wear is

and the main wear is the wear platform and the macro breakage. The farther the abrasive distance to the nd of the tool

the less wear of the abrasive is.

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