钛合金变径深孔的加工研究  

Machining research on bottle boring deep-hole of titanium alloy

作　　者：冯亚洲[1,2] 刘战锋 LIU Zhan-feng;FENG Ya-zhou(Xi’an Shiyou University,Xi’an,710065,China;Shaanxi Deep-Hole Zhiyue Technology Co.,Ltd.,Xi’an,712000,China)

机构地区：[1]西安石油大学,陕西西安710065 [2]陕西深孔智越科技有限公司,陕西西安712000

出　　处：《重型机械》2022年第5期16-19,共4页Heavy Machinery

基　　金：航空发动机及燃气轮机重大专项基础研究项目(Ⅶ-0001-0141);航空发动机高性能制造工信部重点实验室开放课题(HPM-2020-03)。

摘　　要：本文以能源、动力、国防、运载工具及航空航天等高端装备领域对复杂深孔结构零件的高性能制造需求为目标,针对钛合金复杂深孔结构零件--钛合金变径深孔的高效精密加工进行研究。开发设计了一套深孔变径刀具(刀具)和刀具驱动系统,研究了刀具结构的实现、刀具几何参数和切削用量的合理适配,并进行了钛合金变径加工试验,加工过程平稳,加工效果良好。为钛合金深孔内轮廓加工提供基础理论和关键技术支持,解决生产中钛合金变径深孔零件制造中亟需解决的关键技术问题。Aiming at the increasing demand for high manufacturing performance of complex deep hole structure parts in high-end equipment fields such as energy,power,national defense,vehicle and aerospace,this paper studies the machining of titanium alloy complex deep-hole structural parts,which is the titanium alloy bottle boring deep-hole.A deep hole diameter changing tool and tool driving system was developed,and the realization of the structure of the deep hole diameter changing tool,the reasonable matching of geometric parameters and cutting parameters,and the titanium alloy diameter changing process was carried out.The machining process was stable and the machining effect was good.It provides basic theory and key technical support for deep hole contour machining of titanium alloy,and solves the key technical problems that need to be solved in the manufacture of titanium alloy taper deep hole parts in production.

关 键 词：变径深孔 深孔加工 钛合金 深孔刀具 

分 类 号：TG166.5[金属学及工艺—热处理]