The best option for automated powder coating systems where the product quantity is high and where dipping type pretreatment does not meet the demand. Pre-treatment is achieved during the products are passing through the active zones of the surface pretreatment tunnel. Chemical process is selected as phosphating or nano-technological process according to the raw material of work pieces. Consists of a tunnel and stage zones according to the chemical process, each stage have its own chemical tank, a circulation pump system and spraying active zone.
Dip pre-treatment systems are suggested for manual and semi-automatic system use, where work piece quantities are lower. At the same time, this method provides an advantage for cleaning products such as tubes and profiles in order to degrease their interior surfaces. The system consists of a suitable number of immersion tanks according to the chemical process, monorail winch and a basket. The pre-treatment operation is manual by dipping the basket into the tanks. At the end of the process products are dried in drying oven. In this method, mostly iron and zinc phosphate and aluminium chromate processes are applied. It is also suitable for nano technological processes.
Powder Coating Plant Systems
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