Paper Title:
A New Method for Accurately Evaluating Planar Straightness Error
  Abstract

Because of the disadvantages in evaluating straightness error of the traditional method, such as high algorithm complexity, low evaluating precision, it can’t be appropriate for various instruments. A fast and accurate method called intercept of convex polygon algorithm is put forward to implement least envelope zone for evaluating plane straightness errors. The algorithm is based on the convex-hull theory in computational geometry, the measuring data of various instruments are firstly converted into coordinate value, then constructed the convex polygon by slope factor. The unique point meeting the least condition can be found, and the straightness error can be calculated through shear shift conversion. Experimental results show that the method is simple and easy for automatic data processing by computer, and has features of high precision and high speed.

  Info
Periodical
Edited by
Yi-Min Deng, Aibing Yu, Weihua Li and Di Zheng
Pages
18-22
DOI
10.4028/www.scientific.net/AMM.37-38.18
Citation
J. Yuan, Z. X. Qiu, J. W. Cao, "A New Method for Accurately Evaluating Planar Straightness Error", Applied Mechanics and Materials, Vols. 37-38, pp. 18-22, 2010
Online since
November 2010
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Price
$32.00
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