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How to set the speed and accuracy of the water cutter?

Post time:2019-09-25    By:EAAK    Clicks:
The water cutting machine uses ultra-high pressure technology to pressurize ordinary water to a pressure of 250-400 MPa, and then ejects through a gemstone nozzle with a bore diameter of about 0.15-0.35 mm to form a high-speed jet with a velocity of about 800-1000 m/s. The water arrow has a high energy and is used to cut soft-based materials.
Under the advancing of numerical control technology, CNC water cutting machine has been widely used. The process of cutting with high pressure and high speed water flow is mainly used for cutting of two-dimensional shape. CNC waterjets cut materials such as metals, ceramics, plastics, stone, glass and carbon fiber, and produce complex, slim shapes. The key is that this cutting method can remove the data without heat, and the debris of the data can be washed away by the cutting water flow, which improves the cutting power.
Under the premise of satisfying the accuracy of water cutting, we can pay more attention to the speed of the water cutting machine. Because the cutting channel is short, it is difficult to judge whether it reaches the maximum speed with the eyes, so we can use the software of the servo drive of the cutting machine to imitate Function to check if the motor's speed has reached the highest. You don't need to cut the speed when testing the cutting speed. You only need to increase the acceleration and deceleration speed.
There is also the cutting accuracy of the water jet cutter, which is different when the equipment is used in different occupations. Generally, it is required to be used for construction occupations below ±0.5mm; however, it is required to be used for car mirrors below ±0.Olmm; the cutting requirements for steel sheet processing are as low as possible.
At present, the cutting precision that each machine manufacturer can provide is generally less than ±0.2mm, but this can not be seen in the introduction of the product manual. At the time of acceptance, there should be a complete set of procedures for testing the cutting accuracy, and the accuracy of the actual cutting product should be measured.

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