Comparison between water cutting and laser cutting

The advantages and disadvantages of water cutting and laser cutting are compared as follows:

Advantages and disadvantages of laser cutting

1, advantages: high speed, good cutting effect, and can be used for mass production.

2. Disadvantages:

(1) The industrial application of laser cutting carbon steel is generally below 20 mm ... the cutting capacity is generally below 40 mm, the industrial application of stainless steel is generally below 16MM, and the cutting capacity is generally below 25 mm.

(2) Laser can actually cut most materials, but compared with water cutting, such as materials with high reflectivity, marble, etc. , still not enough.

(3) The roughness of the cutting surface is not as good as that of water cutting, and the thicker the material, the more obvious it is.

Second, advantages and disadvantages of water cutting

1, advantages:

(1) It can cut any material (including reflective materials, composite materials, sensitive materials that cannot or are difficult to cut by laser, such as stones and alloys, etc.). ).

(2) The thickness of the incision may be very thick, such as 100MM, or even thicker materials.

(3) Cutting will not cause thermal deformation, and the cutting accuracy is high.

(4) It will not change the texture of the material around the cutting seam (laser belongs to thermal cutting, which will change the texture of the area around the cutting area).

2. Disadvantages: the speed is very slow and it is not suitable for mass production.

Classification of water cutting

1, divided by sand addition: water cutting can be divided into two ways: no sand cutting and sand addition cutting.

2. According to the equipment, it is divided into large water jet, small water jet, three-dimensional water jet and power water jet.

3. According to the pressure, it can be divided into high pressure type and low pressure type, which is generally bounded by 100MPa. Above 100MPa, it is a high-pressure type, and below 100MPa, it is a low-pressure type. Above 200MPa, it is ultra-high pressure type.

4. According to the technical principle, it can be divided into premixed type and post-mixed type.

5. According to safe cutting, it can be divided into safe cutting and unsafe cutting, and the difference is mainly in water pressure. Low-pressure water cutting below 100MPa can be applied to special industries such as hazardous chemicals, petroleum, coal mines, and treatment of harmful substances.