| 一个新的根切条件判别式 |
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| 引用本文： | 刘鹄然,施永乐. 一个新的根切条件判别式[J]. 东北大学学报(自然科学版), 1990, 0(4) |
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| 作者姓名： | 刘鹄然 施永乐 |
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| 作者单位： | 包头钢铁学院(刘鹄然)，东北工学院(施永乐) |
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| 摘 要： | 本文导出了当一对共轭曲面的第一齿曲面(母面)用隐函数方程F(x,y,z)=0的形式表达时的根切条件判别式,证明了新公式与其它根切公式的等价关系,并列举了其应用。
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| 关 键 词： | 根切条件 接触线 包络 脊线 |
A New Discriminant for Tooth Undercutting Conditions |
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| Liu Guran,Shi Yongle. A New Discriminant for Tooth Undercutting Conditions[J]. Journal of Northeastern University(Natural Science), 1990, 0(4) |
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| Authors: | Liu Guran Shi Yongle |
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| Abstract: | A new discriminant for the tooth undercutting conditions is derived, when the generating surface in a pair of conjugate curved surfaces is expressed as an implicit function F(x,y,z) = 0. The equivalency of the new discriminant to others is proved with its applications included. |
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| Keywords: | tooth undercutting condition contact line envelope edge of regression. |
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