Pure water is the earliest water jet
method. The first commercial application began in the mid - 1970 - s, used to cut corrugated board. Pure water is the biggest application water knife cutting disposable leather and cotton paper and car inner decoration. For tissue paper and disposable diapers, compared with other techniques, waterjet technology in the moisture of material at least.
Very fine water (common diameter range: 0.004 to 0.010 inch), very detailed geometry, very little material cutting losses, cutting does not produce heat, cutting thickness can be very big, can also be thinly sliced, cutting speed, cutting soft, lightweight materials (such as thick as 24 "of fiber glass insulation materials), minimal cutting force, simple fixture, continuous running 24 hours a day.
Very general technology, no HAZ, no mechanical stress, water (0.020 to 0.050 inch in diameter), can be cut very complicated geometry, cutting thin materials, 10 inch thickness cutting, pile cutting, material cutting loss is very little, simple fixture, cutting force is small (less than one pound) when cutting, for almost all sand water knife homework set it only once and can easily switch from single cutting cutter to cut more segment, can be quickly switch from pure water water knife for sand water knife, reduces the auxiliary operation.