Research on WEDM Method of Engineering Ceramic Complex Rotary Surface and Surface Roughness
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摘要: 提出了线切割加工导电工程陶瓷回转表面的新工艺.对普通快速走丝线切割机进行了改造,在机床上加装带动工件回转、并能传递加工电流的工件主轴装置,实现了对工程陶瓷复杂回转表面的放电加工.采用正交多项式回归设计对线切割放电加工碳化硼陶瓷回转表面的工艺参数进行优化,得到了较低的表面粗糙度,验证了线切割放电加工导电工程陶瓷回转表面新工艺的可行性.Abstract: A novel technology of wire electro-discharge machining(WEDM) rotary surface of engineering ceramic is presented in this paper.The common high-speed WEDM is advanced,and the current can be transmitted by the workpiece spindle machining device to achieve the complexity of the engineering ceramic rotary surface.The process parameters of WEDM boron carbide ceramic rotary surface are optimized by orthogonal polynomial regression design,and the lower surface roughness and the feasibility of new technology that WEDM conductive ceramic rotary surface is further validated.
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[1] 宋玉泉,徐进,胡萍,等.结构陶瓷的超塑性[J].吉林大学学报(工学版),2005,35(3):225-242.SONG Yu-quan,XU Jin,HU Ping,et al.Superplastieity of structural ceramics[J].Journal of Jilin University(Engineering and Technology Edition),2005,35(3):225-242.(in Chinese) [2] GAO Chang-shui,LIU Zheng-xun.A study of ultrasonically aided micro-electrical-discharge machining by the application of workpiece vibration[J].Journal of Materials Processing Technology,2003,139(1-3):226-228.
[3] MOHAN B,RAJADURAI A,TYANARAYANA K G.Electric discharge machining of Al-SiC metal matrix composites using rotary tube electrode[J].Journal of Materials Processing Technology,2004,153:978-985.
[4] WENG Feng-tsai,SHYU R F,HSU Chen-siang,Fabrication of micro-electrodes by multi-EDM grinding process[J]. Journal of Materials Processing Technology,2003,140(1-3):332-334.
[5] TAKAYUKI T,YASUSHI F,NAOTAKE M,et al.Machining phenomena in WEDM of insulating ceramics[J].Journal of Materials Processing Technology,2004,149(1-3):124-128.
[6] JERZY K,KAMLAKAR P.RAJURKAR N C.Machining of low electrical conductive materials by wier electrical discharge machining(WEDM)[J].Journal of Materials Processing Technology,2004,149(1-3):266-271.
[7] KONIG W,AACHEN R,DAUW D F.EDM-Future Steps Towards the Machining of Ceramics[J].Annals of the CIRP, 1998,37(2):623-631.
[8] MASUZAWA T.Three-dimensional micro-machining by machine tools[J].Annals of the CIRP,1997,46(2):621-628.
[9] 杜建华,刘永红,李小朋,等.工程陶瓷材料磨削加工技术[J].机械工程材料,2005,29(3):1-3.DU Jian-hua,LIU Yong-hong,LI Xiao-peng,et al.The grinding technology of engineering ceramics[J].Materials for Mechanical Engineering,2005,29(3):1-3.(in Chinese) [10] 任露泉.试验优化设计与分析[M].吉林:吉林科学技术出版社,2001:198-206.
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