超精密慢刀伺服金刚石车削加工的关键工艺问题研究  

Investigation on key enabling process variables ultraprecision diamond turning using slow tool servo

作　　者：赵亮[1] 程凯[1] 丁辉[1] 顾彦 ZHAO Liang;CHENG Kai;DING Hui;GU Yan(School of Mechatronics Engineering,Harbin Institute of Technology,Harbin 150001,CHN;Jiangsu Gongda Jinkai High Value Manufacturing Co.,Ltd.,Danyang 212300,CHN)

机构地区：[1]哈尔滨工业大学机电工程学院,黑龙江哈尔滨150001 [2]江苏工大金凯高端装备制造有限公司,江苏丹阳212300

出　　处：《制造技术与机床》2020年第5期85-88,共4页Manufacturing Technology & Machine Tool

基　　金：国防基础科研挑战专题(NO.TZ2018006)。

摘　　要：根据超精密慢刀伺服金刚石车削加工原理,以自由曲面为例,系统地分析了超精密慢刀伺服加工中工件面型对刀具参数和关键切削工艺参数的特殊要求,进一步归纳提出了复杂曲面慢刀伺服车削中的刀具选择和设计准则。该研究工作同时借助Nanotech 250 ULv2机床和UG对切削方向与刀触点布局方式,以及关键切削工艺参数进行了慢刀伺服加工路径仿真和超精密车削试验研究。结果表明合理的切削方向与刀触点布局及加工工艺参数选择,有助于实现自由曲面工件高效稳定可控的超精密慢刀伺服加工。In this paper,the systematic study and analysis are presented on the diamond tool geometry and cutting process variables in ultraprecision machining of freeform surfaces using slow tool servo( STS) technology.Furthermore,the guidelines for design of diamond tooling geometry are presented particularly against the stringent requirement in ultraprecision diamond turning using STS. By using Nanotech 250 ULv2 diamond turning machine and UG simulations,the cutting tool paths and the layout of cutting tool positioning points are investigated through ultraprecison machining trials and simulations. It concludes that the optimal design and analysis of appropriate cutting direction,cutting tool paths and positioning points layout and process parameters are essentially important in enabling ultraprecision machining of free-form surfaces using STS in a highly efficient and effective industrial manner.

关 键 词：超精密慢刀伺服加工 金刚石车削 自由曲面 刀具几何参数 刀触点布局 

分 类 号：TP460[自动化与计算机技术]