PAINT & POWDER
weatherproof coating applied to the outside and get a decorative or differently coloured application on the inside . Decorative effects can be easily realized on furniture fronts . “ The overspray-free application set enables application with high edge definition , fast colour changes , and a custom surface design ,” says Holger Beiersdorfer , Vice President Industrial Products at Dürr , in summarizing the benefits .
No atomizer air means no overspray
The most important component in the overspray-free application set is the paint supply , combined with the cleaning and pre-painting process . The EcoPaintJet controls this using three valves . The beating heart of the applicator itself is a nozzle plate that produces several dozen parallel paint jets depending on the design . These can be activated or deactivated at any given moment to start or interrupt the coating process . Unlike painting processes involving spray guns or high-speed rotary atomizers , this process does not require any atomizer air . The overspray that must be filtered from the booth air in a complex process when using conventional methods therefore does not occur .
Another big difference compared with classic atomizers is that the width of the painting path can be adjusted by means of the applicator ’ s angle of application . This enables a painting path from 30 to 50 mm in width . Narrower path widths can also be produced by adapting the nozzle plate . The desired coating thickness is controlled via the applicator speed and solid content of the paint .
Precise painting paths enable surface painting and coating with high edge definition .
All the benefits in one application
Application techniques that save paint are particularly important when dealing with large surfaces . Even with airless guns or high-speed rotary atomizers , up to a fourth of the material used is lost . Recovering this paint is both time-consuming and energy-intensive , and only works with certain paint types . The so-called pouring technique , where the excess paint is collected in tanks , avoids overspray but does not permit fast colour changes . Other surface design options such as applying films or decorative strips often mean a high level of manual effort .
The new Dürr technology eliminates all the disadvantages of the individual methods and makes painting faster , more cost-efficient , and more environmentally friendly in all industry sectors . “ This makes our technology attractive
even in scenarios where an automated painting method was not previously conceivable ,” says Holger Beiersdorfer , hinting at other application possibilities .
The Austrian paint manufacturer Adler is promoting the new application technology together with Dürr , coming up with colourless and pigmented coating solutions that , in addition to the usual paint requirements , are precisely tailored to the special features of this technology . “ For this visionary application technology , we developed innovative and environmentally friendly , water-based products that deliver maximum durability and at the same time visual individuality for more than just sheet material ,” says Dr . Albert Rössler , CTO at Adler , impressed by the new painting technology .
Email : info @ durr . com Visit : www . durr . com
LIVE Revised dates : 20 & 21 October 2021 , NEC , Birmingham
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20 & 21 OCTOBER 2021 NEC , Birmingham
64 MARCH 2021 twitter : @ surfaceworldmag