基于定长补偿法的短电弧铣削加工电极补偿研究

Research on Electrode Compensation System of Short Electric Arc Milling Based on Fixed Length Compensation Method

在短电弧铣削加工中,工具电极的严重损耗影响着机床的加工效率和被加工零件的几何精度.为了实现更加高效高质和稳定的短电弧铣削加工,本文对短电弧铣削加工电极损耗量进行研究.基于定长补偿法,利用VS2012软件对UG进行二次开发,搭建短电弧铣削加工工具电极损耗补偿软件,通过改变加工数据,运用软件预测出电极损耗量,并通过软件将损耗量作为补偿量对加工NC代码进行定长补偿.通过实验证明,使用定长补偿法补偿后的加工工件几何精度和加工效率都有大幅提高,所采用的补偿方法有效的降低了电极损耗带来的加工误差.

In short electric arc milling,the serious wear of tool electrode affects the machining efficiency of machine tool and the geometric accuracy of machined parts.In order to achieve more efficient and high-quality,stable short electric arc milling.Means:This paper studies the electrode wear of short electric arc milling,based on the fixed length compensation method,uses vs2012 software to redevelop UG,and builds the electrode wear compensation software of short electric arc milling tool.By changing the machining data,the electrode wear is predicted by software,and the wear is used as compensation to compensate the machining NC code with fixed length by software.Result:Experiments show that the geometric accuracy and machining efficiency of the workpiece are greatly improved by using the compensation method of fixed length.Conclusion:The compensation method effectively reduces the machining error caused by electrode wear.