access icon openaccess Application research of infrared image processing technology in the quality inspection of riveting parts

This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Received 18/10/2018, Accepted 09/01/2019, Published 25/03/2019

With the speeding up of the industrialisation process, lightweight products are more and more favoured by people, so the engineering plastic is born at the right moment. Engineering plastics are often used for structural materials in engineering. They have high mechanical strength, such as high temperature resistance, and are wear-resisting. With the development of engineering plastics, their advantages have been gradually accepted by people. In recent years, statistics shows that about 35% of the engineering plastics are used to produce auto spare parts. Using plastic products instead of tempered products is a trend of energy saving and environmental protection. However, there are some security risks such as the stability of the plastic riveting process. The quality of the product can be quickly detected by the artificial but some tiny product cracks are hard to detect. In order to make use of the plastic rivet products better, a product quality inspection system combining computer vision with infrared image processing technology is designed in the background of the hot riveting process of some automobile products. Firstly, this paper uses the infrared detector for image acquisition, then the digital images are obtained through the analogue digital conversion circuit.

Inspec keywords: cracks; inspection; tempering; maintenance engineering; infrared imaging; quality control; product quality; computer vision; production engineering computing; riveting; infrared detectors; corrosion resistance; plastic products; image processing; analogue-digital conversion; automatic optical inspection; lightweight structures

Other keywords: high temperature resistant; infrared image processing technology; plastic rivet products; automobile engines; product quality inspection system combing computer vision; engineering plastic; riveting parts; plastic riveting process; automobile products; tempered products; hot riveting process; computer vision; industrialisation process; tiny product cracks

Subjects: Inspection and quality control; Products and commodities; Computer vision and image processing techniques; Inspection and quality control; Engineering materials; Rubber and plastics industry; Production engineering computing; Heat treatment; Mechanical components; Industrial applications of IT; Joining processes and welding; Optical, image and video signal processing; Fracture mechanics and hardness (mechanical engineering)

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