Title: A real-time visual and control system for screw holes location and shielding of automobile wheel hubs

Authors: Beiping Hou; Jing Jie; Wen Zhu; Aihua Yu; Gang Li

Addresses: School of Automation and Electrical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China ' School of Automation and Electrical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China ' School of Automation and Electrical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China ' School of Automation and Electrical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China ' School of Automation and Electrical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China

Abstract: In this paper, machine vision technique is used to solve screw holes shielding problems during spray painting in wheel hub making industry. The shape and geometric structure of automobile wheel hub are studied; the wheel hub image is captured from the assembly line; image processing method is used to recognise the holes on the wheel hub surface; the diameters, positions and some other parameters are calculated; a 2D motion control method is used to locate the central position of screw holes; a compact shielding device is developed to cover the holes by special balls. This method can be used for all types of wheel hubs, and the labour costs can be reduced. The productive process is more efficient and automatic.

Keywords: machine vision; automobile wheel hub; image processing; screw holes shielding.

DOI: 10.1504/IJWMC.2017.084808

International Journal of Wireless and Mobile Computing, 2017 Vol.12 No.3, pp.217 - 223

Received: 12 Aug 2016
Accepted: 27 Dec 2016
Published online: 29 Jun 2017 *

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