Shrinking to fit using cryogenics – Cryotherm analyses the market


Cooling baths, filled with LiN, has been used to obtain a quick and reliable method of establishing a fit between automotive and engineering components – such as piston pin, connecting rod bushings and valve seat rings.

The latest application to join this trend is the production of integrated valve train modules – using a technique jointly developed by Volkswagen Sachsen, the Chemnitz-based development centre IAV and the special-purpose machine manufacturer USK in Limbach-Oberfrohna.

For this new joining technique, industrial gases specialist Cryotherm provides customised cooling baths and auxiliary equipment for a reliable supply of liquid nitrogen.

Cold makes it fit

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