机械毕业设计（论文）-电火花机床机械结构设计【全套图纸】

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1、提供全套，各专业毕业设计湘潭大学兴湘学院毕业论文题目：电火花机床机械结构设计专业：机械设计制造及其自动化学号：2010963002姓名：指导教师：完成日期：2014年5月目录中文摘要·································································1英文摘要·································································2一、引言································································31.

2、1题研究的目的和意义················································31.2本设计国内外研究历史与现状·······································41.3本设计拟解决的关键问题和研究方法··································51.4电火花成型加工特点和适用范围······································5二、电火花成型机床总体结构设计·····································82.1电火花成型机的结构形式······

3、·····································82.2电火花成型机结构设计···············································9三、主轴系统设计······················································133.1主轴系统设计方案··················································133.2电机的选择·······················································143.3同步齿形

4、带设计···················································193.4滚珠丝杆副的设计··················································223.5直线导轨的设计···················································27四、工作台设计························································29五、十字滑座设计···········································

5、···········34六、电极夹头设计·······················································37七、机床润滑系统设计·················································40八、工作液循环装置结构设计··········································42参考文献·······························································.45谢辞······························

6、·····································46附录·····································································47翻译··························································52摘要：介绍了电火花成型机床的加工原理、特点及其发展历程：它是通过脉冲直流电源不断产生火花放电来去除工件材料，且在工件与工具之间有绝缘液体介质。分析并设计了电火花成型机床结构系统。机床总体布局为单柱立式，主轴采用步进电机拖动滚珠丝杆完成升降，利用步进

7、电机多级可变细分技术，实现伺服系统的变频、变步距双重伺服调节，提高系统的跟踪能力和稳定性。进给系统采用滚珠丝杆和十字滑座实现工作台的横向、纵向移动，运动平稳。电火花成形加工要在加工精度、加工效率、加工范围等方面取得重大突破，一个重要的发展方向就是对机床成形运动方式的创新和多样化。本课题的研究，是对电火花成型加工发展方向的一次有益尝试，通过改进电火花加工机床的伺服系统、控制系统、机床结构等，在保证加工精度的前提下提高了加工