Predictive model for the interlayer burr height during drilling of stacked aluminum plates

doi:10.16511/j.cnki.qhdxxb.2017.26.024

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Abstract The drilling of stacked components tends to form interlayer burrs, which reduce machining quality and the production efficiency. This study analyzes the formation and height of interlayer burrs and presents an effective processing method to control interlayer burrs. An empirical formula was developed for the thrust force during drilling for an finite element analysis (FEA) model of the drilling process to product the single plate deformations and to find the initial burr formation position. Then, the energy method is used in a mechanical model to product the interlayer burr height. The predictions agree well with drilling experiments with stacked aluminum plates and a carbide drill. The results show the effects of the feed rate and the interlayer gap on the interlayer burr formation to optimize the processing parameters of stacked components.

Keywords stacked component drilling interlayer burr interlayer gap

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Issue Date: 15 June 2017

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	WU Dan
	HUANG Shijian
	GAO Yuhao
	DONG Yunfei
	MA Xinguo

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WU Dan,HUANG Shijian,GAO Yuhao, et al. Predictive model for the interlayer burr height during drilling of stacked aluminum plates[J]. Journal of Tsinghua University(Science and Technology), 2017, 57(6): 591-596,603.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2017.26.024 OR http://jst.tsinghuajournals.com/EN/Y2017/V57/I6/591

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