虚拟加工的磁流变抛光面形预测  

Prediction of magnetorheological finishing based on virtual polishing

作　　者：张云飞[1] 王洋[1] 王亚军[1] 何建国[1] 吉方[1] 

机构地区：[1]中国工程物理研究院机械制造工艺研究所,绵阳621900

出　　处：《现代制造工程》2010年第5期67-71,共5页Modern Manufacturing Engineering

基　　金：中国工程物理研究院重大预研项目(K511-06-YZ)

摘　　要：为了精确高效地预测磁流变抛光面形误差,提出一种基于虚拟加工的预测算法。针对实际抛光的特点,建立磁流变抛光面形预测的理论模型,提出面形预测质量的评价方法,并结合工程实际阐述该算法的实现方法。通过修正去除函数、重定义驻留时间和优化Preston系数等方法,得到与实际加工一致性较好的预测结果。实验表明,该方法有较高的精度、计算效率和稳定性。Prediction of Magnetorheological Finishing（MRF） is a very important step to guarantee the surface accuracy of the workpiece.Presents a new approach based on virtual polishing to predict the MRF polishing results,a theoretical removal model of MRF prediction was established,and a concept was proposed to evaluating the quality of the prediction.And gives some steps and details on how to implementation algorithm.By revising the removal function,redefining the dwell time and optimizing the Preston coefficient,finally the prediction has a high quality.Experimental results show that this method is effective on predicting the surface error of MRF with high precision and high stability.

关 键 词：磁流变抛光 面形误差预测 去除模型 虚拟加工 

分 类 号：TH391.9[机械工程—机械制造及自动化]