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Evaluation of straightness and flatness error using computational geometric techniques

✍ Scribed by G.L. Samuel; M.S. Shunmugam

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
363 KB
Volume
31
Category
Article
ISSN
0010-4485

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✦ Synopsis

The Coordinate Measuring Machines capable of automated measurement are being widely used in on-line and off-line inspection. The measurement data obtained from these inspection devices have to be further processed and analyzed, to assess the geometric form of the manufactured components. In the present work, algorithms based on Computational Geometric techniques have been developed for minimum zone and function-oriented evaluation of straightness and flatness. The algorithms are validated using the simulated data and the data available in the literature.

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Evaluation of sphericity error from form
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✍ G.L. Samuel; M.S. Shunmugam πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 260 KB

The measurement data for evaluation of sphericity error can be obtained from inspection devices such as form measuring instruments/set-ups. Due to misalignment and size-suppression inherent in these measurements, sphericity data obtained will be distorted. Hence, the sphericity error is evaluated wi

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The measurement data of a spherical component can be obtained from inspection devices such as coordinate measuring machines (CMMs). The sphericity error is evaluated from such coordinate data based on the minimum circumscribed sphere, the maximum inscribed sphere and minimum zone spheres. Appropriat