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What aspects need auxiliary gas cutting machine?
by：ZORON Machinery
2021-01-29
Cutting machine for cutting different materials with different auxiliary gas, in addition to blow away the coaxial gas slot in slag, can also cool processing surface, reduce the heat affected zone, cooling focusing lens, prevent dust from entering the lens holder in pollution lens and cause the lens to overheat.
The thickness of the cutting material is different, its auxiliary gas pressure and requirement of flow is different, auxiliary gas pressure has a direct impact on the results of cutting.
increase the gas pressure can improve the cutting speed, but reaches a certain value, continue to increase the gas pressure will cause the cutting speed. With aid of the high gas pressure, the reason of lower cutting speed in addition to boil down to the high air velocity on and hang a district enhanced cooling effect, also may be intermittent that exist in the air shock wave disturbance to the function district cooling. Exists in the airflow uneven pressure and temperature, can cause the change of airflow field density.
main combustion effect of oxygen, it can make the speed during cutting, cutting thickness thickening. Oxygen is suitable for thick plate cutting, high speed cutting and extremely thin plate cutting, such as some large amount of
carbon steel and some thicker steel harden artifacts, can use oxygen.
air is suitable for aluminum plate, nonmetal and galvanized steel plate cutting, to a certain extent, it can reduce the oxide film and cost savings. Thicker than general in cutting board, for the use of cutting face requirements is not too high, in some sheet metal chassis machine cabinet industry and application products.
nitrogen is inert gas, in cutting face to prevent cutting the products oxidation, prevent burning ( In sheet metal thick easy to occur. Higher requirements of cutting face and bare without processing products can choose nitrogen, as some decoration industry, aerospace and other special parts.
the density gradient leading to internal refractive index change, to dry properly focused beam energy, to focus or beam divergence. This kind of interference may affect the melting efficiency, can sometimes can change mode structure, led to the decrease of the quality of the cutting, if the beam divergence too hard. Make the light is too large, and even can't effectively cut the serious consequences.
device working gas to produce; Shielding gas is used to protect optical device, drive brake light. Must be added in the process of cutting and cut material suitable auxiliary gas volume. Therefore, choose the kinds of auxiliary gas to the cutting performance, such as cutting speed, cutting thickness have influence. Working gases by helium, nitrogen, carbon oxide gas
mixed according to certain proportion, the proportion of reservation in the factory, to ensure the performance; Auxiliary gas not only slag can be blown away in time, also have the effect of cooling artifacts and clear clean lens, choose different auxiliary gas, more able to change the cutting speed and cutting surface quality and the special metal cutting is of great significance. Air nitrogen as a protective gas of cut cut
can prevent oxidation film; Argon is used for titanium metal cutting.
increase the gas pressure can improve the cutting speed, but reaches a certain value, continue to increase the gas pressure will cause the cutting speed. With aid of the high gas pressure, the reason of lower cutting speed in addition to boil down to the high air velocity on and hang a district enhanced cooling effect, also may be intermittent that exist in the air shock wave disturbance to the function district cooling. Exists in the airflow uneven pressure and temperature, can cause the change of airflow field density.
main combustion effect of oxygen, it can make the speed during cutting, cutting thickness thickening. Oxygen is suitable for thick plate cutting, high speed cutting and extremely thin plate cutting, such as some large amount of
carbon steel and some thicker steel harden artifacts, can use oxygen.
air is suitable for aluminum plate, nonmetal and galvanized steel plate cutting, to a certain extent, it can reduce the oxide film and cost savings. Thicker than general in cutting board, for the use of cutting face requirements is not too high, in some sheet metal chassis machine cabinet industry and application products.
nitrogen is inert gas, in cutting face to prevent cutting the products oxidation, prevent burning ( In sheet metal thick easy to occur. Higher requirements of cutting face and bare without processing products can choose nitrogen, as some decoration industry, aerospace and other special parts.
the density gradient leading to internal refractive index change, to dry properly focused beam energy, to focus or beam divergence. This kind of interference may affect the melting efficiency, can sometimes can change mode structure, led to the decrease of the quality of the cutting, if the beam divergence too hard. Make the light is too large, and even can't effectively cut the serious consequences.
device working gas to produce; Shielding gas is used to protect optical device, drive brake light. Must be added in the process of cutting and cut material suitable auxiliary gas volume. Therefore, choose the kinds of auxiliary gas to the cutting performance, such as cutting speed, cutting thickness have influence. Working gases by helium, nitrogen, carbon oxide gas
mixed according to certain proportion, the proportion of reservation in the factory, to ensure the performance; Auxiliary gas not only slag can be blown away in time, also have the effect of cooling artifacts and clear clean lens, choose different auxiliary gas, more able to change the cutting speed and cutting surface quality and the special metal cutting is of great significance. Air nitrogen as a protective gas of cut cut
can prevent oxidation film; Argon is used for titanium metal cutting.
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