Actual inverse kinematics for location error compensation of five-axis machine tool

被引：0
|
作者：
Ding S. [1 ]
Huang X. [1 ]
Yu C. [2 ]
Wang W. [1 ]
机构：
[1] School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing
[2] Nanjing Gongda CNC Technology Co., Ltd., Nanjing
来源：
Huang, Xiaodiao (njgdhxd@189.cn) | 1600年 / CIMS卷 / 23期
基金：
中国国家自然科学基金;
关键词：
Error compensation; Five-axis machine tool; Homogeneous transformation matrix; Inverse kinematics; Numerical control;
D O I：
10.13196/j.cims.2017.10.009
中图分类号：
学科分类号：
摘要：
To eliminate the influence of location errors on machining accuracy of machine tool, the kinematic model of five-axis machine tool with a tilting head considering location errors was established based on homogeneous transformation matrix. The analytic compensation Numerical Control (NC) code expression was derived with one actual inverse kinematics, and the mapping relationship between compensation NC code and Cutter Location (CL) data was determined. On this basis, the corrected NC code could be obtained with algebraic operation. By comparing with the existing method, the proposed method had higher efficiency and had the research value for real-time error compensation. Simulation cutting experiment results of impeller indicated that the compensation method was effective and could observably eliminate the influence of location errors on machining accuracy. © 2017, Editorial Department of CIMS. All right reserved.
引用
收藏
页码：2156 / 2163
页数：7
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