涡旋曲面薄壁微细铣削试验研究  

Experimental study on micro-milling of vortex curved thin wall

作　　者：唐铭泽 程祥[1] 郑光明[1] 闫新华 刘焕宝 李学伟[1] TANG Mingze;CHENG Xiang;ZHENG Guangming;YAN Xinhua;LIU Huanbao;LI Xuewei(School of Mechanical Engineering,Shandong University of Technology,Zibo 255000,China;Nobot Intelligent Equipment(Shandong)Co.,Ltd.,Liaocheng 252022,China)

机构地区：[1]山东理工大学机械工程学院,淄博255000 [2]诺伯特智能装备(山东)有限公司,聊城252022

出　　处：《现代制造工程》2022年第11期84-88,21,共6页Modern Manufacturing Engineering

基　　金：山东省自然科学基金面上项目(ZR2020ME157);2020年度山东省新旧动能转换重大工程重大课题攻关项目。

摘　　要：涡旋薄壁结构是一种典型的曲率变化的曲面薄壁结构,变曲率的曲面薄壁结构在电子、汽车及航空航天等领域应用广泛。此类薄壁结构在加工过程中时常会存在毛刺、尺寸误差及刀痕等缺陷,加工质量难以保证。在借鉴深切缓进给磨削工艺的前提下,提出了一种大切深缓进给的涡旋曲面薄壁微细铣削工艺,以表面粗糙度R_(a)、尺寸误差Δ_(w)及毛刺高度h为加工质量评价指标,进行了微细铣削试验研究,探究了关键铣削参数(每齿进给量f_(z)、轴向切深a_(p)、径向切深a_(e)及主轴转速n)对加工质量的影响,并进行了关键铣削参数优化研究,识别出了较优的切削参数组合,并成功进行了高质量涡旋曲面薄壁微细铣削试验验证。The vortex curved thin wall is a typical curved thin wall with varying curvature,and the curved thin wall with variable curvature is widely used in electronics,automobiles,aerospace and other fields.Such thin-walled structures often have burrs,size errors,tool marks and other defects in the processing,the processing quality is difficult to guarantee.Based on the deep cutting slow feed grinding process,a micro-milling process for vortex curved thin wall with large cutting depth and slow feed was proposed.The surface roughness R_(a),the size errorΔ_(w) and the burr height h were used as the machining quality evaluation indexes.The micro-milling experiment was carried out to explore the influence of key milling parameters(feed per tooth f _(z),axial cutting depth a_(p),radial cutting depth a_(e) and spindle speed n)on the machining quality,and the optimization of key milling parameters was carried out.Finally the better combination of cutting parameters was identified,and the high-quality micro-milling test verification of vortex curved thin wall was successfully carried out.

关 键 词：微细铣削 涡旋曲面薄壁 尺寸误差 表面粗糙度 毛刺高度 大切深缓进给工艺 

分 类 号：TG547[金属学及工艺—金属切削加工及机床]