基于加权灰色关联分析法的SPIF几何精度影响因素的研究  

Study on Influence Factors of SPIF Geometric Accuracy Based on Weighted Grey Correlation Analysis Method

作　　者：王佰超 赵鹏程 孙立忠 张澧桐 杨文香 王慧东 WANG Baichao;ZHAO Pengcheng;SUN Lizhong;ZHANG Litong;YANG Wenxiang;WANG Huidong(School of Mechanical and Electrical Engineering,Changchun University of Science and Technology,Changchun 130022,China;Changchun Institute of Equipment and Technology,Changchun 130000,China;Inner Mongolia First Machinery Group Co.,Ltd.,Baotou 014000,China)

机构地区：[1]长春理工大学机电工程学院,吉林长春130022 [2]长春设备工艺研究所,吉林长春130000 [3]内蒙古第一机械集团股份有限公司,内蒙古包头014000

出　　处：《热加工工艺》2023年第19期82-87,共6页Hot Working Technology

基　　金：吉林省科技发展计划项目(20180101325JC)。

摘　　要：为了减小单点渐进成形(SPIF)中枕头效应参数鼓凸量的误差,对成形工艺参数进行研究。针对枕头效应现象的工艺复杂性,设计正交试验,利用有限元软件对各类工艺参数下的单点渐进成形工艺进行数值模拟。以出现枕头效应现象特定位置高度(即鼓凸量)作为评价指标,基于加权灰色关联分析法对试验数据进行分析,研究成形高度、板材厚度、成形角、层进给量、工具头直径、制件尺寸工艺参数对成形几何精度的影响,获得单点渐进成形最优工艺参数组及对评价指标影响的主次顺序。结果表明:用加权灰色关联分析法有效地减小了目标制件的枕头效应的几何误差,提高了成形精度。In order to reduce the error of pillow effect parameter drum bulge in single point incremental forming(SPIF),the forming process parameters were studied.In view of the process complexity of the pillow effect phenomenon,the orthogonal experiment was designed,and the numerical simulation of single point incremental forming process under various process parameters was carried out by using the finite element software.Taking the height of the specific position(that is,bulging) of the pillow effect phenomenon as the evaluation index,the experimental data were analyzed based on the weighted grey correlation analysis method.The influences of the forming height,sheet thickness,forming angle,layer feed,tool head diameter and part size process parameters on the forming geometric accuracy were studied.The optimal process parameters of single point incremental forming and the primary and secondary order of the influence on the evaluation index were obtained.The results show that using the weighted grey correlation analysis can effectively reduce the geometric error of the pillow effect of the target part and improve the forming accuracy.

关 键 词：单点渐进成形 工艺参数 枕头效应 正交试验 加权灰色关联 

分 类 号：TG306[金属学及工艺—金属压力加工]