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Research on micro-EDM machine tool and its key technologies
Author(s): 
Pages: 402-405
Year: Issue:  3
Journal: JOURNAL OF HARBIN INSTITUTE OF TECHNOLOGY

Keyword:  微细电火花加工微细轴微细孔微三维结构机床;
Abstract: 为了将电火花加工技术应用到微机械制造中,分析了微细电火花加工中的关键技术,开发了微细电火花加工机床.该机床由精密进给装置、主轴、线电极磨削装置、微细电火花加工电源、花岗石工作台、伺服控制系统等构成.该机床具有三轴联动数控功能,各轴的进给分辨率均为0.1 μm.主轴的回转跳动<1 μm,转速为1 000~25 000 r/min,可以连续变速.该机床小到可以放在一张桌面上.在这台机床上进行了初步工艺实验,稳定地加工出了直径<15 μm的微细轴和25 μm的微细孔,还加工出了微三维结构.
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