四川工业学院学报2003,Vol.22Issue(3):1-4,4.
大型叶片五轴联加工的几何误差控制
Genometrical Errors Control in Five-axis Machiningof Large Balades
摘要
Abstract
One of the important tasks in 5-axis machining of large sculptured surfaces is to controland reduce the machined errors .This paper presents the methods to control geometrical errors basedon the establishing of the link between geometrical errors and the parameters of tool path planning. Thenon-linear errors, which are majority of geometrical error during 5-axis machining, are strictly analyzedand formulated. Consequently, an adaptive step length method is proposed to effectively control thecutter contact path error. Moreover, the measures to reduce the scallop error in machining of the largesculptured surfaces are discussed as well. With the combination of this research with CAM software,both the large Kaplan and Francis hydro turbine blades have been successfully machined. It shows that the machined errors can be effectively controlled and the machining efficiency can be improved in the machining of the large sculptured surfaces by the proposed methods.关键词
五轴加工/雕塑曲面加工/误差分析/刀具轨迹/叶片Key words
5-axis machining/sculptured surfaces machining/errors analysis/tool path/blades分类
机械制造引用本文复制引用
赖喜德..大型叶片五轴联加工的几何误差控制[J].四川工业学院学报,2003,22(3):1-4,4.基金项目
四川省学术和技术带头人培养基金资助 ()