通用方圆异型接头精确建模与展开算法  

A General Algorithm for Accurate Modeling and Development of Rectangle-Circ1e Variational Connector

作　　者：王旗华[1] 王玉[2] 殷国富[1] 

机构地区：[1]四川大学制造科学与工程学院,成都610065 [2]河北机电职业技术学院机械工程系,邢台054048

出　　处：《计算机辅助设计与图形学学报》2011年第9期1520-1525,共6页Journal of Computer-Aided Design & Computer Graphics

基　　金：四川省科技支撑计划(2010GZ0051);成都市科技支撑计划(09RKYB980ZF-033)

摘　　要：针对方圆异型接头三维软件建模精度不高、现有建模方法建模过程较复杂、不易参数化编程实现等问题,运用解析几何方法,提出了通用方圆异型接头精确建模的坐标算法.该算法结合放样方法给出了实现通用方圆异型接头钣金件精确建模的步骤;对通用方圆异型接头的展开图绘制中的板厚处理进行了阐述,并详细说明了展开算法及过程.实例运行结果表明,文中算法运算速度快、通用性强,可用于多种方圆异型接头的建模与展开过程;所建模型精确可靠,实现了展开图的自动准确绘制.In order to improve three-dimensional model＇s precision of rectangle-circ1e variational connector and make modeling processes simpler,this paper introduced a general coordinate algorithm based on analytic geometry.The detailed modeling process using loft method and the algorithm above is described.A development drawing method and detailed processes are presented as well.For manufacturing rectangle-circ1e variational connector sheet metal according with design dimensions,a rule is demonstrated to deal with the thickness while drawing a development.Through examples,it can be shown that the algorithm is easy to programming and performs efficiently.Results also reveal that the algorithm is universal.The modeling method is reliable and it makes automatic development drawing practical.

关 键 词：方圆异型接头 精确建模 展开图 钣金件 

分 类 号：TP391.72[自动化与计算机技术—计算机应用技术] TP391.73[自动化与计算机技术—计算机科学与技术]