基于量纲分析法的旋转超声磨削钛合金刀具磨损数学模型  

Tool Wear ModelofRotary Ultrasonic Grindingfor Titanium Alloy Based on Dimensional Analysis Method

作　　者：刘凡[1] 秦娜[1] 牛健地 郑亮[1] LIU Fan;QIN Na;NIU Jiandi;ZHENG Liang(Department of Mechanical Engineering,Southwest Jiaotong University,Chengdu 610031,China)

机构地区：[1]西南交通大学机械工程学院,四川成都610031

出　　处：《机械制造与自动化》2018年第2期93-95,113,共4页Machine Building & Automation

基　　金：国家自然科学基金资助项目(51305369);中国博士后科学基金资助项目(2012M521708);高等学校博士学科点专项科研基金新教师类课题资助(20130184120007);中央高校基本科研业务费专项资金(SWJTU11CX023)资助;教育部重点实验室开放式基金(JMTZ201605)

摘　　要：为提高钛合金零部件的旋转超声磨削加工精度,降低刀具磨损造成的加工误差,基于量纲分析和正交试验相结合的方法建立了旋转超声磨削钛合金刀具磨损数学模型,定量求解了旋转超声磨削钛合金中刀具磨损与加工工艺参数和刀具结构参数之间的非线性关系。对模型进行有效性和显著性检验,验证了所建模型的有效性。To improve the machining precision of titanium alloys and reduce the machining errors caused by tool wear in rotary ultrasonic grinding,this paper establishes the tool wear model of rotary ultrasonic grinding for titanium alloy based on the dimensional analysis and orthogonal test,quantitatively solves the non-linear relation between tool wear in the rotary ultrasonic grinding and process and tool parameters and checks its tool wear model by effectiveness and significance tests.The effectiveness of this model is verified in the rotary ultrasonic grinding.

关 键 词：磨削加工 旋转超声 刀具磨损 量纲分析法 钛合金 

分 类 号：TG580.6[金属学及工艺—金属切削加工及机床] TH113.22[机械工程—机械设计及理论]