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五轴铣床运动链构形方案分析
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作者 刘建慧 邹慧君 颜鸿森 《组合机床与自动化加工技术》 2006年第1期4-9,共6页
目前五轴CNC机床已经得到广泛的应用。大多数机床的运动学都是基于直角坐标系统。论文根据理论上自由度的可能性组合,将五轴铣床概念设计及其配置方案进行分类,并分析了各类设计的优缺点。在此理论分析的基础上,文中基于机床坐标系统的... 目前五轴CNC机床已经得到广泛的应用。大多数机床的运动学都是基于直角坐标系统。论文根据理论上自由度的可能性组合,将五轴铣床概念设计及其配置方案进行分类,并分析了各类设计的优缺点。在此理论分析的基础上,文中基于机床坐标系统的定义和机床构形码,进一步得出常用五轴铣床运动链设计限制条件及其可行构形数。该研究结果有益于工程师进行五轴铣床的方案设计以及评价。 展开更多
关键词 五轴铣床 配置方案 构形码 创成函数
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Research on Optimization wharf Structure Type of Triangle frame pier
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作者 ZHOU Yang 《International English Education Research》 2016年第4期97-98,共2页
Based on optimization wharf structure type of triangle flame pier proposed, namely" Spatial triangular flame pier + Big span bent which taking Slant supports" Simulating three-dimensional pier model of a variety of... Based on optimization wharf structure type of triangle flame pier proposed, namely" Spatial triangular flame pier + Big span bent which taking Slant supports" Simulating three-dimensional pier model of a variety of conditions in the actual loading by structural finite element software. Under the guidance of the three-dimensional structure of the most unfavorable load combination algorithm, three-dimensional combination algorithm is applied to the new structure by the MATLAB software programming. Search and calculate the most unfavorable combination of action effects and the corresponding intemal force of the main member, checking the feasibility of the three-dimensional algorithms, Calculating the new wharf structure structural features and stability, Providing numerical reference for the design of this sort of wharf. 展开更多
关键词 The triangle flame pier Slant supports Three-dimensional model Three-dimensional Algorithm
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