高效数控加工中环形刀加工行距优化  

The Optimization of the Path Interval on Annular Cutter in High Efficiency of NC Machining

作　　者：佟欣[1] 刘献礼[1] 李茂月[1] 张安山[1] 王治学[1] 

机构地区：[1]哈尔滨理工大学机械动力工程学院,黑龙江哈尔滨150080

出　　处：《哈尔滨理工大学学报》2016年第3期70-75,81,共7页Journal of Harbin University of Science and Technology

基　　金：国家自然科学基金(51235003)

摘　　要：针对平面和曲面的特点,基于环形刀有效切削形状这一概念,在三轴数控加工中分别提出了4种型面的刀具尺寸参数、残留高度与行距之间的关系公式.通过推导,分别得出在指定残留高度下基于刀触点和刀位点的最优行距值.实验证明,根据刀位点推导的关系公式所计算出的残留高度更为接近工件加工后的实际残留高度值.该算法合理能够有效提高加工效率和工件质量,为后续刀具路径轨迹规划中的行距选择及走刀方向的确定提供了理论基础.According to the characteristics of the curved surface and plane, basing on the concept of the effec- tive cutting shape of Annular cutter. This paper respectively puts forward theoretical formula about size parameters of the cutting tool, residual height and the path interval, which aims at machining the four type of surface in three axis NC machining. By deduction, it is concluded that the optimal value of the path interval based on the specified residual height. chining quality and determinati on of tool path trajectory planning and cutting direction.

关 键 词：环形刀 行距 残留高度 有效切削形状 

分 类 号：TG506[金属学及工艺—金属切削加工及机床]