A METHOD FOR ENHANCING THE ACCURACY OF CNC MACHINE-TOOLS FOR ON-MACHINE INSPECTION

被引：48
|
作者：
MOU, J
LIU, CR
机构：
[1] Purdue University, West Lafayette, IN
来源：
JOURNAL OF MANUFACTURING SYSTEMS | 1992年 / 11卷 / 04期
关键词：
MACHINE TOOL ACCURACY; ON-MACHINE INSPECTION; ERROR MODELING; ERROR ESTIMATION AND COMPENSATION;
D O I：
10.1016/0278-6125(92)90023-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Efforts have long been devoted to developing a rapid and accurate method for dimensional inspection in a computer-integrated manufacturing environment. In this research, a general method for enhancing the accuracy of on-machine inspection is discussed. The objective is to develop a reference-part based error modeling algorithm to identify the parameters of positioning error for a machine with minimal measurement. Quadratic and cubic error models based on rigid body kinematics have been developed. The accuracy and complexity of both error models have also been discussed. Experimental results demonstrate the effectiveness of the error modeling algorithm with a ten-fold improvement. This error modeling technique can also be applied for error compensation, thus reducing the errors in material removal processes.
引用
收藏
页码：229 / 237
页数：9
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