To date, production processes require versatile coating systems, flexible and compact. The UV coating system developed by Tecnofirma meets these needs, which is well suited to the treatment of different types of small and medium-sized pieces, with very short cycle times. The machine consists of a rotary table with 8 positions and automatic separation doors between the various zones. It is completely faired and automatic, and the application stage is carried out by anthropomorphic robots with great application flexibility and easy to use.
The 8 workstations are: manual or automatic loading; piece recognition; applying paint 1; applying paint 2 (if needed); drying (flash-off); hardening (first uv lamp); hardening (second lamp uv); cooling and unloading (manual or automatic). In every location, with exception of those of loading and unloading, the workpiece rotates at variable speed, depending on the application and optimization needs of the coating hardening phases. There is a simplified version of the machine for pieces to be painted with regular shapes, in which the anthropomorphic robot is replaced with fixed or positioned on specific oscillators guns. All machine controls are centralized in a cabinet with PLC and tactile graphic screen, with an easy to use graphic for operating parameters and process time’s setting. Overspray’s abatement systems are dry. UV lamps are adjustable in function of the geometry of pieces to be treated and in function of the UV irradiation powers required by the specific cycle.
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