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The Design and Application of Automation System in Electrophoresis Paint Coating

Author: ChengZuo
Tutor: XuZhenHao
School: East China University of Science and Technology
Course: Control Engineering
Keywords: electrophoresis paint coating PLC frequency converter encoder
CLC: TQ639
Type: Master's thesis
Year: 2014
Downloads: 37
Quote: 0
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Abstract


This topic comes from a new cathodic electrophoresis coating project of a automobile manufacturing co., LTD in Shanghai. The company build this new cathode electrophoresis coating production line to improve production layout, enhance production capacity and improve the process quality.The method to corrosion prevention in this project is cathode electrophoresis coating. The electrophoretic coating has its unique advantage, such as high degree of automation, adjustable thickness of painting, strong controllability, good corrosion resistance, high usage of electrophoretic paint, less pollution to the environment, which is suitable to meet the requirements of environmental protection and high modern industry. This topic mainly study the process equipment system, the transportation conveying system and the central control computer of the coating production line.The process of this coating production is pre-degreasing, degreasing, electrophoresis and treatment after electrophoresis, the oven dry and strong cooling. The transportation system is divided into the air conveying system and ground transportation system. The air conveying system adopts programmable drives. The ground transportation system uses transmission slip up conveyors. The air conveyor consists of five programmable driving machine. The ground transport consists of ground rolls, lifting platform and rotary machine. The air conveyor driving system mainly uses rotary encoder and limit switch position protection to position itself. The motor adopts motor frequency control. Some ground machine transport rolls, lifts and rotary machine are also controlled by frequency conversion motor. The central control system of the coating line selects the MCGS configuration software to complete the configuration of the central control computer realizing the automation production which gets data from the process equipment and the conveyor equipment through the industrial ethernet.

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CLC: > Industrial Technology > Chemical Industry > Paint Industry > Construction of the coating
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