Avoiding feed fluctuation for five-axis interpolation using 3D clothoid and B-spline

被引：2
|
作者：
Sun, Zheng [1 ,2 ]
Niu, Liyong [1 ]
Liu, Bin [1 ,2 ]
Wang, Kedian [1 ]
Li, Bo [3 ]
Mei, Xuesong [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian, Peoples R China
[2] Xi An Jiao Tong Univ, Suzhou Inst, Xian, Peoples R China
[3] CNBHC Co Ltd, Chengdu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2022年 / 121卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
Tool path smoothing; Curve fitting; Clothoid; Interpolation; CNC; TOOL PATH; TRAJECTORY GENERATION; ALGORITHM; NURBS;
D O I：
10.1007/s00170-022-09472-x
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
For the CNC machine tools, the feedrate fluctuation may excite the vibration of the machine structures and damage the surface of machined parts. This paper presents a novel interpolation solution for 5-axis machining to avoid feedrate fluctuation. The path of TCP is globally smoothed through the 3D clothoid, whose interpolation parameter is just the curve length. The path of tool orientation is fitting with the B-spline, which can reach any order of continuity under the requirement. The effectiveness of the proposed interpolation method is verified through the simulation and the experimental test on a 5-axis machine tool. Compared with the state-of-the-art, the proposed method attenuates the feedrate fluctuation with more order of magnitude.
引用
收藏
页码：2747 / 2757
页数：11
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