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Influence of the Atomization Gas in Coating Processes

Dr. Oliver Tiedje

Atomization plays a crucial role in spray coating processes. The liquid paint is broken up to small droplets and accelerated to the work piece. A conflict of goals is appearing here: A high quality of the layer requires usually a fine atomization, but small droplets can lead to enhanced overspray. Discussions regarding the use of other atomization gases than air shall be focused to a systematic base in this article. PDF-Download

Cost-Effective Coating for Vehicles

Edgar Romey

Modern coating systems have to fulfil a wide range of requirements as a result of environmental legislation, growing pressure on costs and the high standards of vehicle manufacturers. A vertical water-borne coating system consisting of a primer and a top coat has proved its value in the automotive industry, as the example of a company that manufactures vehicles shows. PDF-Download

Two-Component Mixing System Successfully Used on Large-Scale Project

Wiwa Wilhelm Wagner GmbH & Co.KG

The Mexican government has undertaken a variety of construction projects in the Valley of Mexico in an attempt to overcome the area’s drinking water and drainage problems. The structures being built include two sewage tunnels, which are being coated on the inside with polyurea to ensure a long service life. High-performance systems are being used to apply the protective coating. PDF-Download

A Dry Paint Recycling System with a Cube and a Circulation Filter

Michael Eder

Filter boxes made from cardboard combined with circulation filters create flexible, highly efficient, clean and cost-effective paint recycling systems. PDF-Download

Extensions Ensure Consistent Coating Quality

Vieweg Verlag Wiesbaden

A stroke sensor measuring device which allows for indirect, contactless measurement of the paint flow has been developed as an extension to a multi-paint two-component system. Another extension provides fully automatic injection of the B-component. The two new systems help to achieve consistently accurate mixing ratios within tight tolerances. PDF-Download

Environmentally Friendly Coating Solution for Large Components

Lutro Luft- und Trockentechnik GmbH

Modern refuse trucks painted in bright colours are now a familiar sight on our streets. In one of the largest production sites for these vehicles in Europe, a new paint shop with state-of-the-art facilities has recently come into operation. The objective is to achieve significant reductions in energy consumption and in the environmental impact of the painting process. PDF-Download

Automated Coating Process for Heavy Components

Frank Bertelt

A manufacturer of garden umbrella bases in Grefrath in Germany needed to coat parts weighing up to 160 kilograms. When the company invested in modernising its production system, it opted for a customised, fully automatic handling and coating concept to make its heavy components easier to manage. PDF-Download

High-Performance Corrosion Protection for Shipping Containers

Jörn Selent

Containers used by the shipping industry are generally protected against corrosion by simple paints or paint systems. The use of zinc flake coatings not only provides high-quality corrosion protection but also fulfils other requirements relating to the surface finish. PDF-Download

Paint Systems without Primers for Automotive Finishing

Peter Minko

Paint systems without primers have become widely used in the automotive industry. Standard processes have been transformed into consolidated processes and the appearance of the finished body is playing an increasingly important role in the development of existing paint systems. This article takes stock of the current situation and gives an overview of the developments that we can expect in future. PDF-Download

Powder Coatings with Consistent Quality

Roman Mlakar

A new application technology ensures that the exact amount of powder is applied always and at the optimum charge possible. The result is a consistently high-quality coating with the required film thickness. PDF-Download

Powder Coating for Ceiling Panels

M.C.I. Metalldecken Produktions-GmbH

Metal ceilings have progressed from being simple coverings for rooms to high-tech system solutions. At the same time, they have also become architectural design elements consisting of individual combinations of form and colour. The use of ultra-thin powder coatings offers significant benefits for ceiling panels of this kind. PDF-Download

German Cleaning Systems for Asia

Gerhard Koblenzer

Asia is a growth market and the demand for high-quality cleaning systems there is constantly increasing. This is why the Surface Alliance invited the Indian machine manufacturer NGCT, which is based in Pune, to become a member of the association of companies in 2010. Since then, production levels have constantly risen and the manufacturing site has been developed further. This article explains the benefits of producing German products in India and the accompanying requirements. PDF-Download

Aqueous Parts Cleaning — a Process with Potential

Thomas Gutmann

Parts cleaning is an important component of the quality assurance process in industrial production. The rising standards of cleanliness, the requirements for a complete absence of particles and the reduction in size of many of the components present a challenge that can effectively be overcome with water-based systems. PDF-Download

Improved Long-Term Protection for Agricultural and Construction Machinery

Thomas Willumeit

Agricultural and construction machines operate in very tough conditions. Alongside a high-quality surface finish, the cost-effectiveness and flexibility of the pre-treatment system are playing an increasingly important role. A newly developed, phosphate-free process that can be used with a variety of metals provides excellent long-term protection for machinery and vehicles. PDF-Download

Non-Stop Cleaning and Painting

Ralf Högel

A manufacturer of hydraulic equipment and components based in southern Germany produces large quantities of parts that require cleaning, degreasing and painting. The company has installed a pioneering, environmentally friendly system for this purpose that allows the parts cleaning and coating processes to be flexibly linked and improves sustainability, productivity and quality. PDF-Download

Efficient Pumps for Electroplating Baths

Lutz Pumpen GmbH

In order to reduce its high maintenance costs and cut the number of production stoppages, an international supplier to the automotive industry opted for a more efficient pump system for its galvanising baths. The move to submersible centrifugal pumps resulted in a quieter and more reliable electroplating process. PDF-Download

Continuous and Thorough Descaling of Small Components

Heinz Neise

A new wire-mesh-belt shotblasting machine has been developed for descaling laser and flame cut parts. After passing through the machine, all the components are uniformly blasted on all sides and free from dust and shot. PDF-Download

A Highly Energy-Efficient Blasting Process

Rösler Oberflächentechnik GmbH

A billet blasting machine has been developed for a manufacturer of high-quality stainless steels that is designed for a throughput of 60 metres per minute with blasting results of SA 2.5. The new concept has led to significant savings in energy and reductions in maintenance costs. PDF-Download