| Cause for Exit Failure of End Mill |
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| 作者姓名： | 谭光宇 袁巨龙 王新龙 袁哲俊 |
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| 作者单位： | Dept. of Mechanical Engineering，Harbin Institute of Technology，Harbin，150001，China |
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| 摘 要： | ＣａｕｓｅｆｏｒＥｘｉｔＦａｉｌｕｒｅｏｆＥｎｄＭｉｌＴＡＮＧｕａｎｇｙｕ（谭光宇）ＹＵＡＮＪｕｌｏｎｇ（袁巨龙）ＷＡＮＧＸｉｎｌｏｎｇ（王新龙）ＹＵＡＮＺｈｅｊｕｎ（袁哲俊）（Ｄｅｐｔ．ｏｆＭｅｃｈａｎｉｃａｌＥｎｇｉｎｅｅｒｉｎｇ，ＨａｒｂｉｎＩ...
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Cause for Exit Failure of End Mill |
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| TAN Guangyu YUAN Julong WANG Xinlong YUAN Zhejun.Cause for Exit Failure of End Mill[J].Journal of Harbin Institute of Technology,1997(2). |
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| Authors: | TAN Guangyu YUAN Julong WANG Xinlong YUAN Zhejun |
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| Abstract: | This paper analyses how a negative shear develops, and gives an expression for the cutting force during the development of the negative shear. It is known from the analysis of stress in the edge of the tool that the development of negative shear changes the direction of application for the cutting force so that the stress field of the tool is worsened, which leads to the failure of tool. This paper also analyses the development of theremal cracks and propagation of cracks from the viewpoint of elastic plastic mechanics and suggests actions to prevent exit failure of tools. |
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| Keywords: | Exit failure negative shear thermal crack propagation of crack |
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