Cutting process of stainless steel metal laser cutting machine

Hongte Metal Laser Cutting Machine

Stainless steel is a kind of steel with high hardness that is common in the industry. It has strong corrosion resistance and is one of the strongest steels in the construction industry. When it comes to stainless steel cutting, you have to mention the metal laser cutting machine.

Due to the particularity of stainless steel, its main processing methods are cold working and hot working. Stainless steel cutting cold processing methods mainly include sawing, wire cutting, water cutting, shear cutting, punching, drilling and other methods. The forming quality is generally high, but the efficiency is low, which often cannot meet the needs of mass production. Thermal processing methods include plasma cutting and laser cutting. The laser cutting speed is fast, the efficiency is high, and the cutting quality is much better than that of plasma.

The principle of Hongte's tube-sheet integrated laser cutting machine is to irradiate the laser beam to the surface of the stainless steel workpiece, and the energy released by the laser melts and evaporates the local surface irradiated by the stainless steel workpiece to achieve cutting and engraving The purpose of it is to have the characteristics of high precision, fast cutting, not limited to cutting pattern restrictions, automatic typesetting to save materials, smooth cuts, and low processing costs. It will gradually improve or replace traditional cutting process equipment.

If the laser cutting process parameters are strictly controlled during the processing, the good corrosion resistance of such materials can be maintained. The most important process parameters that affect the quality of stainless steel cutting are cutting speed, laser power, and air pressure. The specific problems and debugging methods are as follows:

Small regular burrs in the form of drops

Possible cause

(1) Focus is too low

(2) Feed rate is too high

Solution

(1) Raise the focus

(2) Reduce the feed rate

Long irregular burrs are produced on both sides, and the surface of the sheet is discolored

Possible cause

(1) Feed rate is too low

(2) Focus is too high

(3) The air pressure is too low

(4) The material is too hot

Solution

(1) Increase the feed rate

(2) Reduce focus

(3) Increase the air pressure

(4) Cooling material

Only produce long irregular burrs on one side of the cutting edge

Possible cause

(1) The nozzle is not centered

(2) Focus is too high

(3) The air pressure is too low

(4) Speed u200bu200bis too low

Solution

(1) Centering nozzle

(2) Reduce focus

(3) Increase the air pressure

(4) Improve speed

Material is discharged from above

Possible reasons (1) power is too low (2) feed rate is too high (3) air pressure is too high solution

When this happens, press the pause button immediately to prevent the slag splashing on the focusing lens, increase the power, reduce the feed rate, and reduce the air pressure

What should I do if the cutting edge turns yellow?

Yellow cutting edges

Possible cause

Nitrogen contains oxygen impurities

Solution

Use good quality and high purity nitrogen gas

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