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新型超环面传动的内齿轮齿面展成原理 被引量:4
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作者 徐晓俊 张春丽 董申 《机械传动》 CSCD 北大核心 1999年第1期32-34,31,共4页
针对一种新型超环面传动提出了对其圆柱内斜齿轮齿面的展成原理,其一为失配的点接触,以理论轨迹曲面的法截面沿齿线在圆柱面上的投影进行拓展;其二为一种修整的线接触,展成的等螺距齿面与理论轨迹曲面沿某一空间曲线近似相切。并对... 针对一种新型超环面传动提出了对其圆柱内斜齿轮齿面的展成原理,其一为失配的点接触,以理论轨迹曲面的法截面沿齿线在圆柱面上的投影进行拓展;其二为一种修整的线接触,展成的等螺距齿面与理论轨迹曲面沿某一空间曲线近似相切。并对齿面的啮合状况进行了分析。 展开更多
关键词 超环面传动 圆柱内斜齿轮 近似啮合 齿面展成
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A new self-adaptive remeshing approach
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作者 吴勇 He Yuanjun Zhang Lin 《High Technology Letters》 EI CAS 2006年第2期154-159,共6页
This paper proposes a self-adaptive approach to converting irregular genus-O meshes into those with subdivision connectivity. To assure a maximal utilization of the multiresolution techniques on the remesh, we map the... This paper proposes a self-adaptive approach to converting irregular genus-O meshes into those with subdivision connectivity. To assure a maximal utilization of the multiresolution techniques on the remesh, we map the original mesh onto the unit sphere and construct a base mesh with only four vertices. We also introduce a self-adaptive relocation operation, which is used to adapt the vertex distribution of the spherical subdivision mesh to that of the parameterized mesh, to improve the visual appearance of the remesh. The experimental results show that our method can not only make the number of irregular vertices in the remesh as small as possible, but also preserve the details of the original mesh well. 展开更多
关键词 self-adaptive remeshing subdivision connectivity spherical parametrization MULTIRESOLUTION
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