The gantry cutting machine manufacturer takes you to understand the basic knowledge of gantry cutting machine

　　The working gas of the gantry cutting machine is mainly auxiliary gas and arc gas. Usually the choice of working gas depends on the cutting material, thickness and cutting method. Commonly used working gases include: nitrogen, oxygen, air, H35, argon and nitrogen mixed gas, etc. Common auxiliary gas: hydrogen. Nitrogen is a common working gas. Under high power supply voltage conditions, nitrogen plasma arc has better stability and higher injection energy than argon. Moreover, according to the manufacturer of the laser cutting machine, even when cutting materials with high viscosity liquid metal, such as stainless steel and nickel-based alloys, the amount of slag hanging on the lower edge of the incision is very small.

　　The gantry cutting machine manufacturer claims that nitrogen can be used alone or mixed with other gases. For example, in automatic cutting, nitrogen or air is often used as a working gas, which has become the standard gas for high-speed cutting of carbon steel. Sometimes nitrogen is also used as the starting gas for oxygen plasma arc cutting.

　　Oxygen can increase the cutting speed of low carbon steel materials. When oxygen is used for cutting, cutting patterns and flame cutting are conceivable. The high temperature and high energy plasma arc makes the cutting speed faster. However, it is necessary to cooperate with the use of high-temperature anti-oxidation electrodes, and at the same time protect the electrodes from impact during arc ignition, so as to extend the life of the electrodes.

　　 Hydrogen is usually mixed with other gases as auxiliary gas. Since hydrogen can significantly increase the arc voltage, the hydrogen plasma jet has a high enthalpy. When mixed with argon, the cutting ability of the plasma jet is greatly improved. And get higher cutting efficiency.

　　 In short, generally speaking, gas with fast burning speed and high burning value is suitable for plate cutting; combustible gas with low burning value and slow burning speed is more suitable for thick plate cutting, especially the thickness of more than 200 mm Steel plate. If gas or natural gas is used for cutting, the ideal cutting quality will be obtained, but the cutting speed will be slightly reduced.

　　 The above is the basic common sense about the gantry cutting machine brought to you by the gantry cutting machine manufacturer. I don’t know if it will help you in front of the screen? If you want To learn more about the gantry cutting machine, you can pay more attention to our website to learn more.

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