基于制造工艺约束的数控插齿机中床身拓扑优化设计  

Topology optimization for mid-bed of a CNC gear shaping machine tool based on manufacturing constraints

作　　者：杜义贤[1,2] 付君健[1] 田启华[1] 

机构地区：[1]三峡大学机械与材料学院,湖北宜昌443002 [2]水电机械设备设计与维护湖北省重点实验室,湖北宜昌443002

出　　处：《工程设计学报》2011年第5期341-343,353,共4页Chinese Journal of Engineering Design

基　　金：湖北省自然科学基金资助项目(2010CDB10805);湖北省教育厅自然科学项目(Q20091302);水电机械设备设计与维护湖北省重点实验室项目(2010KJX04)

摘　　要：为解决立式数控插齿机中床身的拓扑优化结果在工程上加工制造困难的问题,建立了带有制造工艺约束的拓扑优化模型,采用OptiStruct对中床身进行拓扑优化设计,得到了约束条件含有体积分数及同时含有体积分数和制造工艺的2种拓扑优化结果.对比分析了2种拓扑优化结果,表明基于制造工艺约束的拓扑优化设计的中床身结构有更好的铸造性能.To solve the difficulity of transforming a topology optimization design proposal of a mid-bed of vertical computer numerical control gear shaping machine tool to a manufacturable design in engineering,topology optimization model with manufacturing constraints was established.Topology optimization for mid-bed was conducted on OptiStruct package.Two topology optimization results of volume fraction constraints and volume fraction with manufacturing constraints were obtained.Comparing and analyzing the topology optimization results of two constraints,the optimal design shows that the mid-bed structure based on topology optimization with manufacturing constraints has a better castibility.

关 键 词：拓扑优化 制造工艺约束 中床身 OptiStruct 

分 类 号：TH122[机械工程—机械设计及理论]