Metal Trgovina Filko d.o.o. – Automatic plant for powder coating
Zaprešić, Republic of Croatia
Automatic powder coating plant for wardrobes for buildings, production and construction sites. The plant consists of a combined chemical per-treatment, dryer, painting booth and polymerization oven, all of these units are united by an automatic two-rail transport system of P&F manufacturer „KEWESTA GmbH“. The booth is of the chamber type (Dimensions 5.0 x 2.0 x 3.0 m) connected to the FILTER GROUP WAGNER BASIC 8000 x 2 kpl of 8,000 m3/h. At the end of this booth is an additional booth for different colors that is used without a powder return system. The cabin has a ventilation system that pulls the dust laterally in front of the operator’s position, where during blow-off of the dust filter is returned to the powder recovery trolleys. Powder coating is done with WAGNER SPRINT X Air Fluid manual painting devices. The combined chemical preparation consists of a common tunnel under which there are two tubs with different chemicals. The clamps that open during cycle operation, which select the pump when working in re circulation mode, are set via the control „Touch Panel“, while during the change of cycle position at the end of the chemical per-treatment, DEMI water is sprayed to prevent scale and heavy particles on the surface of the piece. The device for decriminalized water is independent of the plant, the activation of spraying during the passage of working positions to the dryer is controlled by an automatic valve, it is also possible to choose whether this option is active/deactivated. Inside the chemical per-treatment tunnel, the registers for phosphate degreasing and rinsing are physically two independent entities. The maximum dimensions of the pieces are 3.0 x 1.6 x 2.0 m, and the maximum load per stretcher is 300 kg.
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