New Method of Plane to Plane Parallelism Error Measurement Based on Flatness Plane

Abstract:

Measurement of parallelism error is one of important icon in the measurement of orientation tolerances. This paper presents new method of parallelism error measurement and is based on the flatness plane using minimum zone technique. Real coded genetic algorithm has been proposed to determine the flatness plane coefficients and flatness error. Flatness plane has been developed using plane coefficients and then parallelism error has been determined from the flatness plane. One example has been presented to show the effectiveness of the proposed parallelism error measurement method. The result of the proposed method has been compared to co-ordinate measuring machine (CMM) built-in function for parallelism error measurement and the results are in good agreement. In addition to determination of parallelism error measurement, the proposed algorithms also calculate flatness error and can also be extended to measurement of other types of geometrical tolerances with slight modifications.

• Periodical: Advanced Materials Research (Volumes 941-944)
• Pages: 2209-2218
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.941-944.2209
• Online since: June 2014
• Authors: Muhammad Ilyas Khan*, Shu Yuan Ma, Saifullah Samo
• Keywords: Flatness Error, Genetic Algorithm (GA), Minimum Zone Method, Parallelism Error

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