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A common way of cutting profile of metal laser cutting machine
by：Transon
2020-10-30
Metal laser cutting machine, as an essential part of production in the field of processing equipment, its function is very powerful, in a lot of material processing metal laser cutting machine occupies the dominant position.
Then what metal laser cutting machine cutting way there are several?
This is the need to manipulate with understanding, let's to consult a specialist.
for metal laser cutting machine, its application is very extensive, it is because of this, it's cutting way to diversity to meet the needs of enterprises, in general there are three kinds of common metal laser cutting machine cutting way:
1, melt cutting: melting cutting the cutting principle of the laser cutting machine for cutting the materials we use, the material need to be on the cutting parts for melting, and then through the use of auxiliary gas produced by high pressure jet will be part of the melt material blow fly out, because the material is melt blow fly away the part of material, so the cutting way is called the melting cutting.
cooperate with inert gas in laser cutting, gas is not involved in the cutting process, just as the auxiliary, so fusion cutting cutting speed will soon. Melt and cutting of the cutting speed is changed with the produced by the laser power, produce change, and the cutting speed is inversely proportional with the thickness of the material, the material is thicker, the slower the cutting speed, the faster the opposite. If we are to fix the laser power in a constant state, auxiliary gas and thermal conductivity of materials will become the decision factor of cutting speed. Fusion cutting has a feature of iron and titanium these types of metal cutting can be done without oxidation when cutting, cutting at the same time, won't produce metal oxide.
2, flame cutting, flame cutting and melt cutting big difference in the use of auxiliary gas is oxygen. Flame cutting cutting principle is through the use of oxygen in contact with the heated metal to produce chemical reaction and secondary heating for cutting material so as to achieve cutting purpose. The characteristics of this way makes it higher than melting cutting cutting rate. But flame cutting relative to melting cutting, the quality of cut far worse than melting cutting clear cut, and its cutting seam produced more wide, roughness and more big, the heat affected area is relatively more.
flame cutting is not used with a precision of the model of material cutting. But you can use the pulse mode to limit the heat affected zone, the cutting rate of flame cutting is affected by the power of the laser, the laser power under the condition of constant, oxygen and materials of heat conduction is restricted.
3, gasification cutting: cutting is a kind of gasification to apply laser power is very high to the extent of the cutting mode, the interaction between the material because of the high power and gasification, thereby cutting. Gasification cutting has a drawback, however, if the thickness of the material more than the diameter of the laser light cannot finish cutting, if forced to cut materials will be cut sewn steam to its solidification. Gasification of cutting is suitable for not only commonly use melt cutting material. So the use of gasification cutting surface is very small, in fact only commonly used on the iron base alloy. Gasification cutting cutting speed and material of the gasification temperature is in inverse proportion. Gasification cutting laser power must be greater than 108 w/cm2, and the thickness of the material, cutting and the position of the laser beam is associated. If the thickness of the material in a certain situation, but there is not enough strong laser power, the big cutting speed will be subject to the conditions of gas jet.
for metal laser cutting machine, its application is very extensive, it is because of this, it's cutting way to diversity to meet the needs of enterprises, in general there are three kinds of common metal laser cutting machine cutting way:
1, melt cutting: melting cutting the cutting principle of the laser cutting machine for cutting the materials we use, the material need to be on the cutting parts for melting, and then through the use of auxiliary gas produced by high pressure jet will be part of the melt material blow fly out, because the material is melt blow fly away the part of material, so the cutting way is called the melting cutting.
cooperate with inert gas in laser cutting, gas is not involved in the cutting process, just as the auxiliary, so fusion cutting cutting speed will soon. Melt and cutting of the cutting speed is changed with the produced by the laser power, produce change, and the cutting speed is inversely proportional with the thickness of the material, the material is thicker, the slower the cutting speed, the faster the opposite. If we are to fix the laser power in a constant state, auxiliary gas and thermal conductivity of materials will become the decision factor of cutting speed. Fusion cutting has a feature of iron and titanium these types of metal cutting can be done without oxidation when cutting, cutting at the same time, won't produce metal oxide.
2, flame cutting, flame cutting and melt cutting big difference in the use of auxiliary gas is oxygen. Flame cutting cutting principle is through the use of oxygen in contact with the heated metal to produce chemical reaction and secondary heating for cutting material so as to achieve cutting purpose. The characteristics of this way makes it higher than melting cutting cutting rate. But flame cutting relative to melting cutting, the quality of cut far worse than melting cutting clear cut, and its cutting seam produced more wide, roughness and more big, the heat affected area is relatively more.
flame cutting is not used with a precision of the model of material cutting. But you can use the pulse mode to limit the heat affected zone, the cutting rate of flame cutting is affected by the power of the laser, the laser power under the condition of constant, oxygen and materials of heat conduction is restricted.
3, gasification cutting: cutting is a kind of gasification to apply laser power is very high to the extent of the cutting mode, the interaction between the material because of the high power and gasification, thereby cutting. Gasification cutting has a drawback, however, if the thickness of the material more than the diameter of the laser light cannot finish cutting, if forced to cut materials will be cut sewn steam to its solidification. Gasification of cutting is suitable for not only commonly use melt cutting material. So the use of gasification cutting surface is very small, in fact only commonly used on the iron base alloy. Gasification cutting cutting speed and material of the gasification temperature is in inverse proportion. Gasification cutting laser power must be greater than 108 w/cm2, and the thickness of the material, cutting and the position of the laser beam is associated. If the thickness of the material in a certain situation, but there is not enough strong laser power, the big cutting speed will be subject to the conditions of gas jet.
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