Paint & Coatings Industry - April 2008 - (Page 45)

It is highly recommended to design a 10- to 20-ft space after the paint application area and prior to the curing lamp to install infrared (IR) lamps. In some cases the heat and flash time is beneficial to flow out the 100%-solids coating and necessary when using less than 100% solids (water or solventbased) UV coatings. It is very costly to retrofit the IR lamps and allocate space after the system has been installed. FIGURE 3 | Operating costs/year. Illustration of Benefits Energy E nergy for 300 working days/year G as @ $ 3.60 / MB T U E lectricity @ $ 0.07 kW-Hr Space S pace @ $ 0.50/ft /month Thermal Oven UV-4 Lamps $ 44,736 $ 22,560 1000 ft 100 ft $ 6,000 $ 600 En ergy C ost Space C ost Suited for Sensitive Substrates Since the exposure to UV light is typically a matter of seconds, this system is well suited for substrates that cannot tolerate high temperatures. The increase in substrate temperature is minimal, with the ability to handle the part immediately after curing. coating is the elimination of a costly thermal dryer or oven. In a liquid UV system, the oven is replaced with a small cluster of UV curing lamps. Costs to install these lamps are typically about half the cost to install a large capacity thermal dryer or oven. Annual operating costs of the oven versus the UV lamps are dramatically reduced as well. Lower Operating Costs A major advantage of a liquid UV For example, a large gas oven consumes ~1 MBTU/hr and requires large blowers to achieve a given production capacity. This same production capacity can be achieved with four UV lamps, requiring a total of only72 kW/hr. Figure 3 illustrates typical operating costs per year. The fast curing of the UV process reduces the amount of time the wet coating is exposed to the environment. This reduces the likelihood of particles contaminating the coating, decreasing rejects and scrap. Additionally, some defects cannot be found until the coating has completely cured. With the speed of the UV system, defects can be identified immediately so corrective action can be taken much faster, increasing the efficiency of the paint system. The length of the conveyor system is directly proportional to its replacement costs. Conveying systems passing A passion for coatings The Chemical Company Coatings Solutions Coatings by BASF protect surfaces and give them color and luster. For automotive OEM coatings, automotive refinish coatings, industrial coatings and decorative paints our customers rely on our ability to provide intelligent solutions that will improve their products. Whether it is research and development or production and service – you can depend on BASF Coatings worldwide. BASF Coatings AG +49 2501 14-0 www.basf-coatings.com www.adrei.de http://www.basf-coatings.com http://www.basf-coatings.com http://ei.de

Table of Contents Feed for the Digital Edition of Paint & Coatings Industry - April 2008

Paint & Coatings Industry - April 2008 Contents Viewpoint Industry News Calendar of Events Company News Mergers and Acquisitions Names in the News Snapshots of Success – Automotive Applications Designing UV-Curable Materials for High-Temperature Optical Fiber Applications The Future of UV Coatings is Now! Milling Media Review Part 1 – Bead Density Effect Preparation and Properties of UV-Curable Polyurethane Acrylate Resins for Metal Surfaces Conquering Color Harmony High-Performance PU Crosslinkers for Two-Component Waterborne Applications Decorative Film Laminates How Long Will the Gilding Glitter? Gaining a Competitive Advantage Using Benchmarking Supplier Showcase Materials Watch Products and Literature Classifieds Advertiser Index Automotive Color Trends New England Museum Solves Century-Old Vanderbilt Mansion Mystery

Paint & Coatings Industry - April 2008

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