Friday, 10 February 2017

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Technological innovation in the powder coating process for elevators

Wittur has been for over 30 years a leader in elevator doors industry, with cutting-edge technical solutions and a unique product range. On the occasion of the total renovation of powder coating application cycle on one of the two lines installed, we had the opportunity to visit their industrial plant in Colorno, Parma. We have observed the last change made to the system, aimed at increasing efficiency and quality.


Is in Wittur’s interest performing yearly improvements to their plant, and that is why they are committed to optimizing the applied paint’s transfer’s efficiency and eliminating devoted to retouch’s manpower. Application system "dense phase" technology has allowed the almost total elimination of manual retouching, besides allowing precision of application at very low pressures, thanks to a stable and defined jet. The amount of powder dispensed is independent from the compressed air, so as to improve the control of thickness and eliminate rebounds. The high flow rate of each pump allows the use of compact cabins and flexibility in the use of line. The presence of an anthropomorphic robot ensures precision and saving of powders. The color change is rapid and almost completely automatic.

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