International Surface Technology - 02/2017
JOTs 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)
Smart Paint Shops - Improving Quality, Flexibility and Efficiency
Artificial intelligence, autonomous driving, electric vehicles, the Internet of Things, the fourth industrial revolution: we are living and working in an increasingly digitised world. Production processes in factories will change as a result of the progress towards digitisation. Networked manufacturing machines will be able to communicate with one another and respond flexibly to changing conditions. They will produce personalised products efficiently and to the highest quality standards.
Pumping Paint More Gently
A new range of electric piston pumps reduces resource consumption in paint circulation systems and makes the process more efficient. This leads to lower costs and a longer service life for the pumps.
Powder Coating Lightweight Boards
Despite the significant potential offered by the powder coating process for finishing wood-based materials, until now it has been used almost exclusively for coating Medium Density Fibre Board (MDF). A research project aims to develop processes and substrate materials that will allow lightweight boards to be powder coated.
The Ideal Link between Assembly and Painting Line
A valve manufacturer has installed an innovative conveyor concept to integrate its painting line and several different assembly areas into one process.
Paint Stripping Racks for Specific Processes
Paint stripping racks and containers must be designed to meet the requirements of individual processes in order to achieve the expected high standards of quality. A space-saving design also helps to reduce transport and storage costs.
The Future is Chrome-Free
Converting to chrome-free pre-treatments for steel and hot-dip galvanised steel substrates is presenting many companies with challenges. This article describes the market requirements, quality standards and alternatives to chrome.
More Efficient Blasting Without Pre-Treatment
Blasting processes that use additives to eliminate the need for preliminary cleaning have become well established in recent years. The dispensing system for these additives has now been improved and automated to guarantee an even more reliable process.
MEASURING AND TESTING
Reliable Detection of Faults in the Spray Pattern
As part of efforts to meet high quality standards and accommodate growing volumes of products, manufacturers are increasingly turning their attention to the atomising process. Until now, quality assurance has often simply involved the optical assessment of the spray pattern, but new measurement methods are now helping paint shops to constantly monitor the spraying process and to quantify the results.
Thermoplastic Powder Protects Drinking Water Pipes
A thermoplastic powder coating that can be applied easily and cost-effectively provides reliable corrosion protection for the pipes in Berlin’s drinking water network.
Environmentally Friendly Aluminium Anodising Process
The REACH regulation (European Regulation on Registration, Evaluation, Authorisation and Restriction of Chemicals) has imposed a ban on the use of chromium in aluminium surface treatments from 2017 onwards. The TSA process replaces toxic substances and provides an efficient solution with lower operating costs, as the example of a Finnish supplier to the aviation industry shows.
GRINDING AND POLISHING
Processing Cast Aluminium Parts Quickly and Carefully
A manufacturer of die-cast aluminium components invested in a new vibratory finishing system in order to increase its capacity and its processing options. The linear continuous feed machine is designed to accommodate a wide range of parts and to process them quickly and gently.