摘要
基于正交试验设计,使用PCBN刀具进行断续干式车削淬硬工具钢Cr12MoV试验,测得在不同切削参数下的切削力。运用极差分析与方差分析方法,研究各切削参数对断续切削时瞬态冲击力与准静态切削力的影响。应用SPSS软件对准静态切削力进行分析,得出准静态切削力的经验公式。研究结果表明:断续切削方式下,在切削参数中,背吃刀量对瞬态冲击力有显著影响,切削速度和背吃刀量均对准静态切削力影响较大;经验公式对准静态切削力的预测平均误差约为6.3%。
Based on orthogonal design method, an experiment on dry turning of tool steel Crl2MoV was conducted with PCBN cutting tools. Cutting forces were measured under different parameters. The effects of various cutting parameters to the transient impact and quasistatic cutting force under interrupted cutting process were investigated by using the range a- nalysis and variance analysis. Quasistatic cutting force was analyzed by using the software SPSS. The empirical formula of quasistatic cutting force was built. It turns out that in the parameters, the depth of cut has significant influence to the tran- sient impact under interrupted cutting process. Both cutting speed and the depth of cut have a bigger influence on quasistat- ic cutting force; The average prediction error of the empirical formulas of quasistatic cutting force was 6.3%.
出处
《工具技术》
2013年第11期19-22,共4页
Tool Engineering
基金
甘肃省教育厅研究生导师基金项目(1102ZTC107)
关键词
正交试验设计
PCBN刀具
断续切削力
切削参数
经验公式
orthogonal design method
PCBN cutting tools
interrupted cutting force
cutting parameters
empirical formula
