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Machining Tools
One of the most common fields of application for cryogenic treatments has been and still is that of the tools used in machining processes. The mechanical and thermal efforts produced in these processes are usually very high and, for this reason, these tools are usually subjected to harsh wear.
The common materials for the manufacturing of these tools are high speed steel (particularly powder-metallurgy) and cemented carbide, although ceramic material and cermets are also used.
There are innumerable applications of this type in which the use of the CRYOBEST® process enables an increase in the performance of tools. However, it is very difficult to extrapolate the results as they are closely linked to the specific application and the process parameters used in each case. Aspects such as the tool’s material, its geometry, its treatments or coatings, the material to be machined, the lubricant, the temperature, the cutting parameters, the machine and even the operator have a direct impact on the performance of tools. The use of CRYOBEST® multi-stage cryogenic treatment is just an added factor which, on many occasions, is displayed in a notable increase in the tool’s working life.
Drill Bits, milling cutters of all kinds, carbide inserts , taps, reamers, etc … are just some of these tools. Although some are scrapped once their cutting edges have worn down, many of them are sharpened several times before they are no longer usable. In these cases, the use of the Cryobest® process is even more beneficial as it only needs to be applied once as well as being totally compatible with PVD or CVD coatings which are common in this type of applications, among others.
Machining processes are used in the manufacturing of components for many sectors and, as a result, various different types of materials are machined. Apart from the various different types of steel and cast iron that are common in sectors like, for example, automotive sector, other materials are machined such as stainless steel, aluminium, titanium and Inconel (common in the aeronautical industry), composites or, even, wood.
> Examples of Applications
