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Explain the focus relationship of laser cutting machine and its running cost

Explain the focus relationship of laser cutting machine and its running cost

Author: Nanjing full-Rui Technology Published: 2019-07-20 11:03 views:
With the application of laser cutting machines, the sheet metal processing technology has developed rapidly and brought a revolutionary concept to sheet metal processing. As traditional sheet metal cutting equipment, mainly CNC equipment, including shears, punches, flame cutting, plasma cutting, high-pressure water cutting and other means, so what is the focus of the laser cutting machine? What is the operating cost? The following editors will introduce it to everyone.
3 focus relationships of laser cutting machine:

1. The cutting focus is on the workpiece:
This way we also become negative focal length, because the cutting point is not located on the surface of the cutting material or inside the cutting material, but is positioned above the cutting material.
This method mainly uses materials with high cutting thickness. The reason why the focus is positioned above the cutting material in this way is mainly because the cutting width of the thick plate is large;
Otherwise, the oxygen delivered by the nozzle is extremely likely to cause shortage, which will cause the cutting temperature to drop. However, a disadvantage of this method is that the cutting surface is relatively rough, which is not practical for high-precision cutting.
2. The cutting focus is inside the workpiece:
This method also becomes a positive focal length. When the workpiece you want to cut is stainless steel or aluminum steel plate, the mode of cutting point inside the workpiece is often used.
However, a disadvantage of this method is that due to the focus principle cutting surface, the cutting width is relatively larger than the cutting point on the workpiece surface. At the same time, the cutting airflow required in this mode is larger, the temperature is sufficient, and the cutting perforation time is slightly longer.
So when you choose the material of the workpiece is mainly stainless steel or aluminum material with high hardness.
3. The cutting focus is on the surface of the workpiece:
This method also becomes 0 focal length. It is commonly used when cutting workpieces such as SPC, SPH, SS41. When using the cutting machine, the focus of the cutting machine should be close to the surface of the workpiece;
The smoothness of the upper and lower surfaces of the workpiece in this mode is different. Generally speaking, the cutting surface close to the focal point is relatively smooth, while the lower surface far from the cutting focal point appears rough.
This mode should be based on the process requirements of the upper and lower surfaces in practical applications.
In summary, we use laser cutting machines to process different workpieces corresponding to the use of different focus modes, which can give full play to the performance advantages of laser cutting machines.
Laser cutting machine costs mainly include power consumption, auxiliary gas costs, and wearing parts.
Take 500W fiber laser cutting machine as an example:
1. Power consumption: The power consumption of a 500W fiber laser cutting machine is 6 degrees per hour, and the cost of electricity is about 6 yuan / hour (calculated at 1 yuan / degree).
2. Auxiliary gas consumption:
Oxygen: 15 yuan / bottle, about 1 hour, the unit price per hour is 15 yuan.
Nitrogen: 320 yuan / tank, it takes about 12 ~ 16 hours, the unit price per hour is 20 yuan.
Remarks: In the text, oxygen refers to bottled; filling with nitrogen saves costs compared to bottled, and saves the waste of time for the operator to change gas and excessive bottled gas. In addition, gas prices will vary in different regions.
3. Consumption of other wearing parts:
Protective lens: Normal use for more than 300 hours, the price is 150 yuan / piece, about 1-2 yuan per hour.
Bronze mouth: normal use for more than 300 hours, the price is 50 yuan / piece, about 0.18 yuan per hour.
Ceramic ring: more than 7200 hours of normal use, priced at 400 yuan / piece, about 0.11 yuan per hour.
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Nanjing Quanrui Technology Development Co., Ltd., located in Gaochun District, Nanjing, was established in 2000. It is a professional manufacturer of forging machinery industry in China. Specializing in the production of Quanrui series CNC slotting machines and fiber laser cutting machines. In recent years, our company has relied on science and technology to develop the numerical control system of CNC slotting machine and optical fiber cutting machine and equipment ...