Paint deposition pattern modeling and estimation for robotic air spray painting on free‐form surface using the curvature circle method

Wei Xia (School of Mechanical Engineering, Guangxi University, Nanning, People's Republic of China)
Sheng‐Rui Yu (School of Mechanical Engineering, Guangxi University, Nanning, People's Republic of China School of Mechanical and Electronic Engineering, Jingdezhen Ceramic Institute, Jingdezhen, People's Republic of China)
Xiao‐Ping Liao (School of Mechanical Engineering, Guangxi University, Nanning, People's Republic of China)

Industrial Robot

ISSN: 0143-991x

Publication date: 8 March 2010

Abstract

Purpose

The purpose of this paper is to establish a paint deposition pattern model applied to robotic air spray painting in order to achieve the accuracy and uniformity of paint film thickness on free‐form surface.

Design/methodology/approach

The paper opts for an exploratory study using the curvature circle method for air spray painting on free‐form surface to construct a spray gun model. First, a paint deposition pattern model of ellipse dual‐β distribution is fitted on the basic of experimental data from robotic air spray painting. Second, a spray gun model is proposed using the curvature circle method for air spray painting on free‐form surface. The theoretical result is coincident with the film thickness in verification experiment spraying a cylinder surface. The biggest error of the sample points between the theoretical and experimental results is less than 4 μm, thereby the correctness and effectiveness of the proposed model is validated.

Findings

The paper provides a specific theoretical and methodological support for the realization of process planning and simulation system in surface spray manufacturing. It will make the future developed system meet the actual processing requirement. At the same time, it is more representative.

Originality/value

The paper finds an approach to solve paint deposition pattern model suitable to free‐form surface. The present method can be applied to the complex reality of topological relation for actual workpiece surface to be painted.

Keywords

Citation

Xia, W., Yu, S. and Liao, X. (2010), "Paint deposition pattern modeling and estimation for robotic air spray painting on free‐form surface using the curvature circle method", Industrial Robot, Vol. 37 No. 2, pp. 202-213. https://doi.org/10.1108/01439911011018984

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Publisher

:

Emerald Group Publishing Limited

Copyright © 2010, Emerald Group Publishing Limited

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