International Surface Technology - 01/2017
JOT’s feature topics contain user-friendly and practical information on all kinds of surface technologies like wet coating, powder coating, pre-treatment/ cleaning, paint removal, coil coating, electroplating,thin coating and materials handling.
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CURRENT EDITION (EXCERPT)
The route to high-tech manufacturing
Over the last 30 years, automotive finishing has been transformed from a largely manual, empirical task with a high environmental impact to an efficient, fully automated production process with a clear focus on environmental compatibility. What are the innovations that have been introduced during this time? The painting system specialist Dr Pavel Svejda summarises the highlights and takes a look forward into the future.
Fine tuning for overspray filter boxes
A new generation of overspray filter containers allows the main filter to be combined with a coarse preliminary filter or a fine after-filter. This improves the performance of the filter system and increases the service life of the filters.
Better and more cost-effective coatings with powder
The key features of a new powder coating machine installed by a manufacturer of storage systems include a sophisticated conveyor system and short throughput times. The powder coating line has increased productivity and improved the quality of the product surfaces.
Maximum flexibility for different product types and colours
Growing demand from its customers and the need to offer a wider range of products was presenting Frauenthal Automotive, a supplier to the automotive industry, with increasing challenges. The solution to this problem was a modern material flow system which has led to increased productivity, quality and flexibility in the production process.
The status of chemical coating removal
The European Union chemicals regulation, known as REACH, is continuing to have a significant impact on the chemical paint removers available on the market. Tried-and-tested substances can no longer be used and new active ingredients have become widely established as a result.
CLEANING AND PRETREATMENT
Trends in automotive parts cleaning
The current megatrends in the automotive industry, which include Industry 4.0, electric mobility and autonomous driving, will all have a significant impact on parts cleaning. In the past the focus has been on removing particles, but now contamination in the form of films of oil or grease is taking centre stage.
New boxes for cleaning parts in bulk
The right cleaning and transport baskets for the application can increase the quality and efficiency of the processes used to clean small parts. A supplier of these systems has a new range of baskets with a mesh size of only four millimetres.
Abrasive Cleaning Process Adds Value
Dust, scale and other residues in blasting abrasives reduce the performance of the blasting machine. For this reason, cleaning the blasting media is particularly important. Tests clearly show that abrasives that are in ideal condition significantly reduce the wear on the blasting wheels.
MEASURING AND TESTING
Non-destructive measurement of coating thicknesses
Measuring the thickness of coatings is an essential part of surface technology. This article describes the most commonly used non-destructive measurement processes and provides helpful information on calibrating measuring devices.
Modular system for coating small parts
A new painting frame with a plug-in design can easily be adapted to parts of different sizes and shapes, which allows the best possible use to be made of the cloud of paint.