Rendre l’acier plus adapté à une application donnée avec revenu, le traitement thermique spécifique pour augmenter ses propriétés mécanique.
Publié sur 4/9/2020

The World Money Fair: vacuum furnaces for the minting industry

Held between 29-31 January 2020 in Berlin, Germany, the World Money Fair gathered together thousands of coin collecting enthusiasts, metal working businesses, and we were there.

Much more than just a jamboree for hobbyists, the WMF is a major trade event, where deals are done and ideas are shared.
As part of the packed program of guest speakers, we had the chance to explain how vacuum heat treatment works, and how it applies to coin production. And we really made an impression.

In this article, we'll look at the WMF itself, and offer some insights from the TAV VACUUM FURNACES team that should be relevant for anyone in the minting industry.

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Publié sur 11/11/2019

Minting industry: the importance of vacuum heat treatments

The minting industry has to be compliant to the highest level of standard certifications in order to avoid every possibility of falsification and, at the same time, to satisfy a high level of quality and reproducibility. The quantity of money and the great variety of coins in the world means that it is essential not make any sort of mistake in all the minting processes.

How to mint a coin?
Why vacuum heat treatments are so important in the minting industry?
What's the environmental impact of the minting process?

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Hot-wall vs cold-wall vacuum furnaces: which one to choose

The demands of heat treatment industry are for higher temperatures, lower pressures, rapid heating and cooling capabilities, and higher production rates.  This has inevitably led to the use of so-called “cold-wall” vacuum furnaces, to the detriment of hot-wall furnaces, which are now considered obsolete. So, let’s see hot-wall and cold-wall furnaces - what could these be and how do they differ from each other?

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