微小型零件的微细切削加工工艺研究  

Research on Processing Technology of Micro Parts Based on Micro Cutting

作　　者：石文天[1] 刘玉德[1] 李慎龙[2] 

机构地区：[1]北京工商大学机械工程学院,北京100048 [2]中国北方车辆研究所车辆传动国家重点实验室,北京100072

出　　处：《组合机床与自动化加工技术》2011年第5期93-97,共5页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家自然科学基金资助项目(50875026);北京工商大学青年教师科研启动基金资助项目;北京市属高等学校人才强教计划资助项目(PHR201106110)

摘　　要：文章研究了微小型零件的微细切削加工工艺,微细切削加工微小型零件具有较大的工艺和成本优势,适应微小型零件产品批量化、加工柔性化、材料多样化的发展趋势。微小型零件按照加工工艺特征大致可分为微小型轴类、三维结构件、板类和齿轮类零件,总结和分析了上述零件的工艺特征和加工方式,介绍了微小型加工机床和刀具的选用原则,包括如何合理选择微细切削刀具的材料、特征尺寸和结构。微小型零件必须根据机床功能和零件自身结构特点确定装夹方式,并进行准确定位。最后,归纳和总结了微小型零件进行微细切削数控加工工艺设计时应遵循的原则,并进行了详细论述。微细切削加工中,采用合理的数控加工工艺和走刀路线,可以实现微小型零件的精确、高效加工,适应批量化的产品需求。With the trend of mass production and flexible manufacturing of micro parts,a variety of materials are used to produce micro parts,micro cutting has many advantages in processing micro parts with low cost and good technology.The processing technology of micro parts in micro cutting is studied in this paper.According to the characteristics of micro processing technology,Micro parts can be divided into micro shaft,three-dimensional structure,sheet metal and gear parts,It is introduced the processing characteristics and methods of micro parts.The selection principle of the miniature machine and tools is proposed and how to select the material and structure of micro cutting tools is pointed out.Micro parts must be in accordance with the machine functions and structural features to determine their own way of clamping and accurate positioning.Finally,the cutting processing principle of the micro parts is summarized and discussed in detail.With the reasonable cutting path and processing technology,the precise micro components can be mass processed in efficient method.

关 键 词：微小型零件 加工工艺 微细切削 完整加工 车铣复合 

分 类 号：TG506[金属学及工艺—金属切削加工及机床]