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Surface and Coatings Technology, Volume 206, Issues 19–20, 25 May 2012, Pages 3875-3882
SiHao Deng, ZhenHua Cai, DanDan Fang, HanLin Liao, Ghislain Montavon
Laboratoire d’Etudes et de Recherches sur les Materiaux, les Procedes et les Surfaces(LERMPS), Universite de Technologie de Belfort-Montbeliard (UTBM), Belfort Cedex 90010 France
Department of Smart System Research, Ningbo Academy of Smart City Development (NbAsCD), 315040 Zhejiang, China
Abstract
Nowadays, robot manipulators have already been widely used in thermal spraying. They can be programmed in two ways: online and offline programming. The first programming method is easy to operate but difficult to guarantee the quality of coatings, especially for some complex workpieces. The offline programming technology is a good solution that can overcome the online programming tolerances by using the CAD files of the workpiece.
The purpose of this study is to introduce the current applications of offline programming technology in thermal spraying, including some popular methods of path generation, process simulation, robot kinematics optimization, etc. In the last part of this paper, two examples of offline programming in thermal spraying were presented which refer to the trajectory optimization on a workpiece with a great angle and path generation on the complex workpiece with external axis. The simulations and experiments have proved that offline programming can effectively improve the production efficiency and coating quality.
