层片分割算法在切削仿真中的应用  

The application of Slice Method in Cutting Simulation

作　　者：李敬财[1,2] 徐文芳 李清[1] 李琳[1] 徐文丽[2] 

机构地区：[1]天津大学机械工程学院,天津300072 [2]天津石油职业技术学院,天津301607 [3]渤海钻探工程公司华北录井分公司,河北任丘062550

出　　处：《机械传动》2010年第5期98-101,共4页Journal of Mechanical Transmission

基　　金：国家"863"高技术研究发展计划资助项目(2007AA0402005);天津大学博士点基金(20060056016)

摘　　要：为解决切削过程几何仿真中普遍存在的问题,提出了层片切割算法。通过将被加工零件进行适当的层片分割,进而将刀具与毛坯的分割特征求交,则毛坯在每一切削瞬时的切削形状可由求交结果的集合进行表达,该算法求交速度快,求交结果精确。此外,由于该算法是在Visual C++6.0平台上结合OpenGL图形库实现的,因此可独立于现有的商业软件。通过将该算法应用在渐开线圆柱齿轮以及螺旋锥齿轮加工仿真中,验证了其可行性。In order to solve the problems existing in geometric simulation of cutting process, Slice method is presented. The instantaneous shape of rough blanks which are being cut can be represented by the characteristics set that can be get through proper slice of machined parts and the intersection calculation of cutter and machined parts. By using this method, the accurate result of intersection calculation can be accurate and be get rapidly. Besides, because this method is based on visual c ＋ ＋ and OpenGL , it can be isolated from the commercial softwares. The method is proved to be feasibility by the cutting simulation example of cylinder gears and bevel gears.

关 键 词：几何仿真 切削仿真 层片分割 特征集 求交运算 

分 类 号：TG501[金属学及工艺—金属切削加工及机床]