4. Machining assisted by cryogenic cooling
High-pressure waterjet assistance combines mechanical and thermal action to promote heat dissipation. To achieve this, high cutting fluid pressures are used. Another solution is to lower the temperature of the lubricant, leading to machining assisted by cryogenic cooling.
4.1 Integrating assistance into machine tools
Implementation of the process may seem relatively straightforward, since all that's required is to supply a tool fitted with nozzles (as for high-pressure assistance) with a liquid nitrogen line (figure 26 ). However, the instability of liquid nitrogen at room temperature poses a problem. Indeed, liquid nitrogen changes to...
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Machining assisted by cryogenic cooling
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