Can be any material for any curve of one-time cutting processing (in addition to water cutting other cutting methods will be limited by the variety of materials); The heat generated during cutting will be immediately taken away by the high-speed flowing water jet, and does not produce harmful substances, the material has no thermal effect (cold cutting), the cutting does not need or is easy to secondary processing, safe, environmental protection, fast speed, high efficiency, can achieve arbitrary curve cutting processing, convenient and flexible, and a wide range of uses. Water cutting is a mature cutting technology with good applicability at present.

The nozzle of the water knife is made of cemented carbide, sapphire and other materials, the diameter of the nozzle is only 0.05 mm, and the inner wall of the hole is smooth and flat, and can withstand the pressure of 1700 mpa, so the high-pressure water sprayed out can cut the material like a knife. Some water is also added to long-chain polymers, such as polyethylene oxide, to increase the viscosity of the water "so that the water is sprayed like a" thin line ".