Evaluation of roundness error from coordinate data using curvature technique

被引：22
|
作者：
Li Xiuming [1 ]
Shi Zhaoyao [1 ]
机构：
[1] Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100022, Peoples R China
来源：
MEASUREMENT | 2010年 / 43卷 / 02期
关键词：
Roundness error; Computational geometry; Convex hull; Curvature; Inner convex hull; CIRCULARITY; STRATEGY;
D O I：
10.1016/j.measurement.2009.09.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Workpieces like a shaft or hole make contact on their functional boundaries and its circularity is obtained based on the functional boundaries by enveloping features. Data for evaluating roundness error can be obtained from coordinate measuring machines. A technique for roundness error based on the curvature has been proposed to deal with coordinate measurement data. The computational geometric concepts of convex hulls are used to reduce the computation. The method developed is implemented and validated with the data available in the literature. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：164 / 168
页数：5
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