Application of waterjet in metal processing industry

With the maturity of the products and the expansion of the application, the ultra-high pressure CNC water cutting machine (waterjet) has gradually entered a growth period, which is also attributed to the rapid development of the machinery industry in recent years, relying on a higher precision digital platform. We can apply waterjet for fine processing, extending the scope of water cutting applications to the wider metal processing industry, rather than just limiting the processing of glass, ceramics, stone and other materials.

Taking metal cutting as an example, various processing methods show a variety of blooming, including laser, flame cutting (plasma cutting), electric spark cutting, wire cutting and the like. All kinds of cutting methods have their own advantages, and they all have certain limitations, each occupying a part of the market. However, among many cutting methods, water cutting belongs to a special cold cutting. The kinetic energy of the abrasive water jet is directly used to cut the metal to achieve the cutting purpose. There is no chemical change during the cutting process, and there is no physical and chemical property for the cutting material. Influence, no heat deformation, narrow slit, high precision, smooth surface, clean and pollution-free, can process materials that cannot be processed by traditional means, such as glass, ceramics, composite materials, reflective materials, chemical fiber, heat sensitive materials.

As people's understanding of water cutting technology deepens, the market is gradually recognizing the unique advantages of water cutting technology in the metal cutting industry. Taking laser cutting as an example, the speed and precision of laser cutting in metal sheet is better than water cutting, but in general, it is difficult for laser to cut metal sheets (especially non-ferrous metals) larger than 16mm, and laser cutting materials. There is still a certain heat affected zone around the water; the thickness of the waterjet cutting metal material is generally more than 50mm, and has no effect on the material. The cutting metal has a finish of 1.6μm and the cutting precision is ±0.10mm, which can be used for precision forming cutting. Water cutting has unique features in the cutting of non-ferrous metals and stainless steel, no reflective effects and edge loss, plus waterjets have no restrictions on cutting materials. Combining these factors, many users who chose laser or other cutting methods in the early days turned to water cutting.

Because the “waterjet” CNC platform adopts the precision transmission technology of ball screw and rolling linear guide, the control precision is within +0.02mm, while the nozzle of the sand water jet and the focusing performance of the cutting head and the long-life nozzle material Technical breakthrough, coupled with the continuous and stable work of our company's 400Mpa high-power ultra-high pressure system, the application of automatic sand supply, sand control and high-pressure water start and stop control system, so that the "water knife" can be continuously cut and automatic processing for 24 hours.

In the metal cutting industry, the pursuit of high-quality, high-efficiency direct forming processing is currently the mainstream development trend in the world. The “waterjet” cutting machine is constantly innovating in related technology applications in response to this demand: With the advent of technologies such as precision ball screw, servo motor, and resonant reduction unit, machine tools can achieve higher positional accuracy, backlash compensation, and improved repeatability. Machine tool builders put more effort into machine geometry. In the analysis of the cause of the error, a high-precision machine tool is manufactured by detecting the geometric accuracy of the machine tool using a high-precision measuring instrument such as a ball measuring instrument and a laser interferometer and establishing an error map to give an accuracy correction. The selection, manufacturing process and quality inspection methods of materials and components of CNC machine tools are the guarantee for improving the accuracy and stability of CNC machine tools.

"Waterjet" has powerful computer-aided design and control functions, especially in the "corner and sharp corner" cutting, which makes the cutting surface smooth and smooth, and the "waterjet" cutting has the characteristics of "grinding". The "waterjet" has been greatly changed and improved in cutting quality and efficiency, and can be directly used for forming and cutting of metal parts.

Ultra-high pressure water jet cutting technology has been used in the metal field for many years. At present, due to its perfect function and improved efficiency, especially the decline of investment and use cost, the “waterjet” cutting technology and equipment are getting more and more Paying more attention to and paying attention to it, the craze for the use of “waterjet” is on the rise. Our “Waterjet” company is willing to make unremitting efforts for the promotion, application and popularization of “waterjet”. At the same time, we hope that more people of insight will work together with us to study and explore together to promote the in-depth development of the application technology of “Waterjet”.

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