The purpose of this system is to deliver the liquid nitrogen to the cutting tool but not to the surrounding area. Supply is drawn from a low pressure stand-alone tank placed next to the modified milling machine. A double-walled and vacuum insulated custom made supply hose delivers the liquid Nitrogen to the custom made nozzle. Control of the liquid nitrogen flow is regulated by both nozzles and by throttling of the main valve at top of the supply tank. The first nozzle bracket was cobbled up to mock up locations, and then perfected for the final version.
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