Machine vision support of VARI process automation in composite part manufacturing Online publication date: Thu, 24-Sep-2020
by Stefanos Lekanidis; George-Christopher Vosniakos
International Journal of Mechatronics and Manufacturing Systems (IJMMS), Vol. 13, No. 2, 2020
Abstract: This paper presents a system for monitoring and regulating the injection of resin into technical fabric pieces laid up against a die, a process that is commonly used in the production of composite materials by vacuum (VARI). To implement this system, a conventional webcam was used to capture the flow of resin and standard machine vision routines were put together to construct a suitable environment to detect the resin flow front. In addition, a sample hydraulic/pneumatic system for infusing the resin was designed and implemented, consisting of inlet and outlet valves. A suitable electronic circuit was designed to control the hydraulic/pneumatic system and control code was developed using a low cost microcontroller. A typical example is presented based on which the general system's concept is explained and discussed.
Online publication date: Thu, 24-Sep-2020
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