Simultaneous 3D machining with real-time NURBS interpolation

被引：0
|
作者：
Won Pyo Hong
Seok-Woo Lee
Hon-Zong Choi
Min Yang Yang
机构：
[1] Korea Institute of Industrial Technology (KITECH),Manufacturing System Research Center/Nano Machining Team
[2] Korea Advanced Institute of Science and Technology (KAIST),Department of Mechanical Engineering
来源：
KSME International Journal | 2003年 / 17卷
关键词：
NURBS; Interpolation; CNC; PC-NC; Reference-Pulse Interpolator;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Increasing demand on precision machining using computerized numerical control (CNC) machines have necessitated that the tool move not only with the smallest possible position error but also with smoothly varying feedrates in 3-dimensional (3D) space. This paper presents the simultaneous 3D machining process investigated using a retrofitted PC-NC milling machine. To achieve the simultaneous 3-axis motions, a new precision interpolation algorithm for 3D Non-Uniform Rational B-Spline (NURBS) curve is proposed. With this accurate and efficient algorithm for the generation of complex 3D shapes, a real-time NURBS interpolator was developed using a PC and the simultaneous 3D machining was accomplished satisfactorily.
引用
收藏
页码：336 / 342
页数：6
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