As a new type of cutting technology, CNC waterjet cutting machine has the characteristics of strong adaptability, high cutting precision, no thermal effect, no burr, no pollution and so on. Its main working principle is: a great stream of water and a very small area of ​​impact to complete the cutting of the material. CNC waterjet cutting machine is also welcomed by customers. Let's take a look at the difference between the waterjet cutting machine and the traditional cutting machine today.
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Comparison of waterjet cutting and milling If you want to cut the periphery of the workpiece and make holes, instead of blind holes, drilling, and threading, you might as well choose a faster, easier, and cheaper sand knife. The main reason is that we only need to cut a piece of water to complete the cutting of the workpiece without having to grind all the metal into pieces. When it is necessary to cut a high-precision workpiece, the sand knife can be used to produce a machine tool that is close to the finished product, and can be processed once without thermal effect. In addition, the waste generated by the sand knife is usually more valuable because it is a whole piece rather than debris and can be reused.
Waterjet cutting flame cutting is more obvious, flame cutting is a hot process, will make the finished product heat effect. The use of a sand knife is usually better at the surface, and there is no scum on the back of the workpiece, which can reduce secondary processing. There is no limit to the thickness of the sand knife, and the layout spacing of the cutting graphics can be reduced to save material costs.
Waterjet cutting and laser cutting The investment of laser cutting equipment is relatively large. Most of them are currently used for cutting thin steel plates and some non-metallic materials. The cutting speed is faster and the precision is higher. However, laser cutting will cause arc marks at the cutting joints. And cause thermal effects; In addition to some materials, laser cutting is not ideal, such as aluminum, copper and other non-ferrous metals, alloys, especially for thick metal sheet cutting, cutting the surface is not ideal, or even unable to cut. At present, research on high-power laser generators is trying to solve the cutting of thick steel plates, but the cost of equipment investment, maintenance, and operation consumption are also considerable. The water cutting investment is small, the operating cost is low, the cutting material has a wide range, the efficiency is high, and the operation and maintenance are convenient.
Compared with plasma cutting, water jet cutting and plasma cutting have obvious thermal effects, and the precision is low, and the cutting surface is not easy to perform secondary processing. Water cutting is cold cutting, no heat distortion, good cutting surface quality, no secondary processing, and easy secondary processing if needed.
Waterjet cutting and wire cutting compared to the metal processing, wire cutting has a higher accuracy, but the speed is very slow, and sometimes need to use other methods to pierce, wear wire to cut, and the cutting size is very limited, water cutting can Punching and cutting of any material, cutting speed, flexible processing dimensions.
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