超细长深孔高效精密变径镗刀开发设计  

The development and design of high precision adjustable boring cutter for processing Super-deep hole

作　　者：赵荣[1] 庞俊忠[2] 吴伏家[3] 雷竹峰[2] 

机构地区：[1]中北大学机电工程学院,太原030051 [2]中北大学机械工程与自动化学院,太原030051 [3]西安工业大学机电工程学院,西安710000

出　　处：《机械设计与制造》2012年第3期282-284,共3页Machinery Design & Manufacture

基　　金：国家自然科学基金资助项目(51175482)

摘　　要：目前现代深孔加工技术领域中长径比L/D≥20以上的等直径或两端大中间小超长通深孔加工已比较成熟,但对于两端小中间大,中部带有圆柱面、锥面、球面等复杂曲面的超长异形通深孔,即所谓的‘大肚子’孔零件大幅扩孔、粗精镗削加工没有得到解决。针对这一难题,开发设计了一种具有防振、自导向功能的高效精密变径镗刀。详细介绍了此种精密变径镗刀的结构特点、设计原理、装配使用情况。在实践中取得了良好的使用效果。At present,the super-deep hole which has a same aperture or a samll center and big endscould enlarge well in the realm of modern deep hole processing technology,wntte tne oetttea aeep hole with a big center and both small ends which has a special surface in the middle ,such as cylndrical surface, conical surface and spherical surface can not manufacture.Based on this problem, this paper develops and designs a special high precision adjustable boring cutter with antihunting and self-directed function.Details of such precision adjustable boring cutter of the structure,design principle,assembly use is introduced. In practice ,the processing achieved excellent results.

关 键 词：超细长深孔 高效 精密 变径镗刀 

分 类 号：TH16[机械工程—机械制造及自动化] TG713.3[金属学及工艺—刀具与模具]