Coating thickness optimization for a robotized thermal spray system
Thermal spraying techniques are used to protect or improve the surface performance of a workpiece by adding melted (or heated) powders onto the surface. Thickness and uniformity control are critical for obtaining an excellent thermal spraying coating. In the contemporary manufacturing industry, with the increasing demand for efficient and accurate processes, robot manipulators and handling systems have been developed to control the movement of the spray gun relative to the workpiece surface, where the robot manipulators and handling systems lead the spray gun to reciprocate along a predefined path. However, the research on optimizing the path for generating the desired coating thickness is very limited. In this paper, a parametric coating thickness prediction model is adapted from our previous research. Then, the Nelder-Mead method drives the model to find out the optimal kinematic parameters of a zigzag (meander) path for a uniform coating with the desired thickness. Based on the obtained kinematic parameters, the trajectory and program of a robot end effector (spray gun) are yielded. Finally, a prototype system with an intuitive user interface is developed to integrate these functions. From the input of a Gaussian coating growth model and a substrate, it can provide an optimal path directly. At the end of this work, one case was implemented by a homemade spray system and a robot system for verifying the effectiveness of the system.
China Scholarship Council;
|ESI Research Field|
Cited Times [WOS]:0
|Document Type||Journal Article|
|Department||Department of Mechanical and Energy Engineering|
1.Key Laboratory of Road Construction Technology and Equipment of MOE,Chang'an University,Xi'an,710064,China
2.School of Construction Machinery,Chang'an University,Xi'an,710064,China
3.Department of Mechanical Engineering,University of Alberta,Edmonton,T6G 2E1,Canada
4.Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
Ren，Jiangzhuo,Sun，Yiding,Hui，Jizhuang,et al. Coating thickness optimization for a robotized thermal spray system[J]. Robotics and Computer-Integrated Manufacturing,2023,83.
Ren，Jiangzhuo,Sun，Yiding,Hui，Jizhuang,Ahmad，Rafiq,&Ma，Yongsheng.(2023).Coating thickness optimization for a robotized thermal spray system.Robotics and Computer-Integrated Manufacturing,83.
Ren，Jiangzhuo,et al."Coating thickness optimization for a robotized thermal spray system".Robotics and Computer-Integrated Manufacturing 83(2023).
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