Waterjet, Sand Or No Sand Cutting
The abrasiveless cutting is a way of cutting directly with water, and the sandless waterjet is now commercially used for cutting corrugated cardboard. A large number of users apply sandless waterjets to cut-paper diapers, tissue paper, and automotive interiors. When cutting tissue paper or disposable diapers, the amount of water vapor generated by the abrasiveless waterjet operation is much less than that caused by human contact or breathing. Unexpected downtime caused by the general non-waterjet cutting process has caused significant economic losses to paper diapers or tissue producers. The waterjet equipment can provide safe use for the above industrial applications throughout the day, all week, and all year round, and maintenance operations can be arranged into production.
No sand waterjet cutting head:
In the water cutting process, the material cutting process can be described as a supersonic etch process. It is not because of the pressure, but because of the speed of the water jet itself, it is possible to remove fine parts and particles from the material. Pressure and speed are two different forms of energy. So, how does water pressure change into an energy way like water speed? The answer is on a small gem, where high-pressure water flows into speed as it passes through the gemstone hole. For standard cutting operations, gemstones with no sand waterjet range from 0.1 to 0.25 mm.
There are usually three different types of gemstone nozzles (sapphire, ruby and diamond). Each material has its own unique properties. Sapphire is a commonly used gemstone nozzle material, which is an artificial single crystal gem material. The water jet produced by the sapphire nozzle has a good quality, and if used in combination with better water quality, its service life can reach 50 to 100 working hours. In applications with waterjets, the service life of sapphire nozzles is about 1/2 less than that of waterless waterjets. Ruby nozzles can also be used in sand waterjets. The water jet characteristics are very suitable for sand waterjets, but not suitable for sandless waterjets.