Dynamic evaluation of spatial CNC contouring accuracy

被引：22
|
作者：
Schmitz, T
Ziegert, J [1 ]
机构：
[1] Univ Florida, Dept Mech Engn, Gainesville, FL 32611 USA
[2] Natl Inst Stand & Technol, Automated Prod Technol Div, Mfg Engn Lab, Gaithersburg, MD 20899 USA
来源：
PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY | 2000年 / 24卷 / 02期
基金：
美国国家科学基金会;
关键词：
spatial metrology; dynamic path measurement; contouring errors; laser ball bar;
D O I：
10.1016/S0141-6359(99)00034-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An instrument capable of measuring arbitrary, dynamic CNC tool paths through three-dimensional space with micrometer-level accuracy is developed and tested. The instrument uses three Laser Ball Bars simultaneously (i.e., simultaneous trilateration) to allow for dynamic path measurements. The design of the instrument is described. The performance is verified by static repeatability testing, comparison with an independent measurement system, and comparison with the dimensions of machined parts. The instrument is demonstrated to be capable of measurement of arbitrary three dimensional tool paths with near micron level accuracy. Published by Elsevier Science Inc.
引用
收藏
页码：99 / 118
页数：20
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