Investigation on the burr formation mechanism in micro cutting
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- 作者：Xian Wu ; wuxian@nuaa.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Liang Li ; Ning He
- 关键词：Micro cutting ; Burr formation ; Stress distribution ; Cutting edge radius
- 刊名：Precision Engineering
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：47
- 期：Complete
- 页码：191-196
- 全文大小：1348 K
文摘
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The maximum stress area shifts from the top corner to the bottom corner of the cutting edge arc because of the dominant ploughing.
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Burr size decreases to the minimum value and then increases with reducing the uncut chip thickness due to the change of maximum stress distribution.
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An extra milling process with opposite feed direction and small milling width on the down milling side is suggested to remove the large top burr.