班 级 09机械2班 学 号 **************

课程设计论文

题 目 干切削加工技术的发展趋势及国内外的研究现状

学 院 机电工程学院

专 业 机械设计制造及其自动化

学生姓名 徐 善 斌

导师姓名 史 留 勇 海南大学课程论文 1 目录

摘要.................................................................................................................................................................................... 2 1、干切削技术的研究背景 .............................................................................................................................................. 2 2、切削液的功能和负面影响 .......................................................................................................................................... 3 2.1、在机械加工中，切削液的三大功能 .............................................................................................................. 3 2.2、在机械加工中，切削液的三大负面影响 ...................................................................................................... 4 3、干切削刀具材料研究 .................................................................................................................................................. 4 3.1、采用新型的刀具材料 ....................................................................................................... 错误!未定义书签。 3.2、采用涂层技术 .................................................................................................................................................. 5 3.3、国内外对刀具材料的研究现状 ...................................................................................................................... 5 4、干切削刀具几何参数的优化设计 .............................................................................................................................. 6 4.1、选择大前角γ0 ，增大后角а0 .................................................................................................................... 6 4.2、减小主偏角Кf，增大负刃倾角λs .............................................................................................................. 6 4.3、改良刃具刃口 .................................................................................................................................................. 6 4.4、控制积屑瘤生长 .............................................................................................................................................. 7 4.5、减少刀具与工件表面之间的接触面积 .......................................................................................................... 7 5、干切削的机床优化设计 .............................................................................................................................................. 7 5.1、机床结构 .......................................................................................................................................................... 7 5.2、排屑系统 .......................................................................................................................................................... 8 5.3、冷却系统 .......................................................................................................................................................... 8 6、干切削的工艺技术 ....................................................................................................................... 错误!未定义书签。 6.1、硬车加工工艺 ................................................................................................................... 错误!未定义书签。 6.2、液氮冷却加工工艺 .......................................................................................................................................... 9 6.3、国内外干切削加工工艺的研究现状 .............................................................................................................. 9 7、准干切削的原理 ........................................................................................................................................................ 10 8、总结和展望 ................................................................................................................................................................ 11 9、参考文献……………………………………………………………………………………………………………..12 海南大学课程论文

2 干切削加工技术的发展趋势及国内外的研究现状

摘要:文章基于绿色制造技术，介绍了干切削刀具材料的特性，工件材料的特点，和机床的优化设计的机理，准干切削的原理，讨论了切削用量与刀具的参数关系，及先进切削工艺的应用。文章综合国内外的研究进展论述了切削机理和相关先进技术的发展状况，有益于加速我国在干切削加工技术方面的实施.及发展，同时对先进绿色制造技术体系和金属切削理论的发展有着深远意义。

关键词：绿色制造；干切削；切削工艺；准干切削 Abstract:This article based on Green Manufacturing ,introduced the properties of dry cutting tools,the feature of parts materials,the optimized design of machine tools,the principles of near dry cutting,and discussed the connection between cutting parameters and tool parameters,also the application of advanced cutting technologies.Integrating research progress at home and abroad ,this article discussed the cutting theory and advanced technology development,contributed to accelerating China's implementation and development of dry machining technology , and had far-reaching significance for advanced green manufacturing technology systems and development of the theory of metal cutting.