基于微细电火花加工的微冲裁技术研究  

Study of Micro Punching Technology Based on Micro EDM

作　　者：李东坪 曾志杰[1] 杨晓龙[1] 余祖元[1] 范恽[2] 李剑中[1] LI Dongping;ZENG Zhijie;YANG Xiaolong;YU Zuyuan;FAN Yun;LI Jianzhong(School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, Chinar;AVIC Xi’an Flight Automatic Control Research Institute, Xi’an 710065, China)

机构地区：[1]大连理工大学机械工程学院,大连116024 [2]中航工业西安飞行自动控制研究所,西安710065

出　　处：《航空制造技术》2017年第3期40-45,共6页Aeronautical Manufacturing Technology

基　　金：国家科技重大专项"微冲切设备研制"项目(2013ZX04001-091-1)

摘　　要：在自主研制的微细电火花-微冲裁复合加工机床上,通过WEDG技术、微细电火花三维铣削技术和微细电火花反拷贝加工技术在线加工出微模具,并在机床上实现了在线对中冲裁。最终在T2紫铜、H62黄铜、304不锈钢和3J21弹性合金上冲裁得到最大尺寸在微米量级的微型落料件,经显微照片观测与测量,落料件尺寸与质量均比较理想,并且在冲裁千件后微模具未见明显损伤,证明了微冲裁工艺的可行性。In the self-developed micro EDM-micro punching machine tool,micro molds are fabricated online bywire electrical discharge grinding(WEDG)technology,3D micro EDM milling and reverse micro EDM.In addition,thealignment of mold and punching can be accomplished.Special-shape punched hole and blanked part have been fabricatedon T2copper,H62brass,304stainless steel and3J21alloy successfully.

关 键 词：微冲裁 微细电火花 三维铣削 反拷贝加工 

分 类 号：TG661[金属学及工艺—金属切削加工及机床]