《微尺度群凸起电火花加工试验设计》-毕业论文.doc

常熟理工学院毕业设计（论文） PAGE 1 PAGE 1 本科毕业设计（论文） 题目 微尺度群凸起电火花加工试验设计 学 院 物理与电子工程学院 年 级 09级 专 业 电子信息工程 班 级 1604092 学 号 160409213 学生姓名 指导教师 职 称 导 师 论文提交日期 2013年4月20日 PAGE PAGE IV 常熟理工学院毕业设计（论文） PAGE PAGE I 微尺度群凸起电火花加工试验设计 摘 要 随着工业生产的发展和科学技术的进步，具有各种复杂结构与特殊工艺要求的工件越来越多，这就使得传统的机械加工难以持续。微尺度群凸起电火花加工作为新的一门技术，通过电极间的重复脉冲放电腐蚀材料，能够更精细的对工件进行加工。 在本工作中，首先设计出专用夹具，通过电火花加工技术对微型散热器的圆柱表面实施微凸起加工。构建出凸起形状为边长200 um的正方形，且凸起间距也是200 um，并且通过一次装夹同时完成圆柱的轴向与周向两道加工工序。最终在圆柱表面加工出微凸起结构，经电子显微检测凸起间距以及长和宽大约都为200 um,高大约为150um的立体，符合实验设计要求，实现了设计的预期目标。 关键词：群凸起 夹具 电极  Micro EDM Experimental Design Group Abstract With the development of industry and the progress of science and technology, there are more and more workpiece with complex structure and special technology, which make the process to prepare these workpiece becoming more difficult for traditional mechanical processing methods. Micro EDM group is a new technology with high precise processing, which process workpiece through repeated pulse discharge between electrodes and workpiece to corrode material. In this work, a special fixture has been designed, which can process the cylindrical surface to attain the micro convex configurations on the surface of cylindrical using electric spark machining technology. These micro convex configurations are squared and the side-length is 200 um. The distance among these micro convex configurations is also 200 um. Through our designed fixture, the process for axial and circumferential are employed at the same time. Indeed, micro convex configurations, which the side-length,and distance are 200 um ,height is 150 um are prepared and confined by electron microscopic detection. The aim of this work has been achieved. Keywords: group raised; fixture; electrode 目录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc20666 第一章 引言 PAGEREF _Toc20666 1 HYPERLINK \l _Toc19867 1.1 电火花加工简介