| 二维断屑槽的断屑界限及其判别式的研究 |
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| 引用本文： | 严兴春,肖诗纲,许香谷.二维断屑槽的断屑界限及其判别式的研究[J].重庆大学学报(自然科学版),1990,13(2). |
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| 作者姓名： | 严兴春 肖诗纲 许香谷 |
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| 作者单位： | 重庆大学机械工程一系
(严兴春，肖诗纲)，重庆大学机械工程一系(许香谷) |
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| 摘 要： | 本文通过用二维断屑槽加工1Cr18Ni9Ti不锈钢的断屑试验,得出了极限进给量和极限切削深度的经验公式。并分析了主偏角、槽宽、刀尖圆弧半径、切削速度等因素对切屑折断界限的影响规律。同时,在试验的基础上推出了切屑折断的判别式。这可供用二维槽型刀片加工不锈钢时,判断切屑是否折断或根据加工条件选择合适的刀片时参考。
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| 关 键 词： | 断屑 难加工材料切削/不锈钢切削 |
STUDY ON THE CHIP BREAKING LIMITING AND DISCRIMINANT OF TWO-DIMENTION CHIP BREAKING GROOVE |
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| Yan Xinchun Xiao Shigang Xu Xianggu.STUDY ON THE CHIP BREAKING LIMITING AND DISCRIMINANT OF TWO-DIMENTION CHIP BREAKING GROOVE[J].Journal of Chongqing University(Natural Science Edition),1990,13(2). |
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| Authors: | Yan Xinchun Xiao Shigang Xu Xianggu |
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| Institution: | Yan Xinchun Xiao Shigang Xu Xianggu |
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| Abstract: | Tool bits with two-dimention chip breaking groove for turning stainless steel 1Cr18Ni9Ti are investigated, the formulas of limiting feed and depth of cut are obtained, the effects of tool cutting edge angle, chip breaking groove width, corner radius and cutting speed on chip breaking region are analyzed, and the chip breaking discriminant is established. This discriminant may be used to forecast the possiblity of the breaking of chips of tool bits with two-dimention groove or to select the suitable tool bit in turning stainless steels according to a given regime of machining. |
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| Keywords: | chip breaking cutting of hardworking materials/ stainless steel machining |
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