Plasma cutting must know knowledge

Plasma cutting machine is actually a plasma arc cutting is the use of high-temperature plasma arc heat to make the metal part of the workpiece at the Bureau of the Department of melting (and evaporation), and the high-speed plasma momentum to exclude the molten metal to form a notch cutting method.
Gas cutting and cutting materials required for plasma cutting: Common plasma arc working gases include argon, hydrogen, nitrogen, oxygen, air, water vapor, and some mixed gases. Plasma cutting machines are widely used in automobiles, locomotives, pressure vessels, chemical machinery, nuclear industry, general machinery, engineering machinery, steel structures, etc. All plasma cutting machines are mainly used in the cutting of metal plates, including some that cannot be cut using other equipment. In case of use, it can be used for a variety of different metal materials, including stainless steel, alloy steel, carbon steel, copper and other non-ferrous metal materials. The machine can cut the sheet into complex shapes as needed.
Its characteristics: stable, reliable, lightweight, energy-saving, noise-free, cutting speed, clean cut, without grinding. The operation method is as follows: Turn on the power switch and set the power switch to the "ON" position. At this point the fan starts to rotate and the meter screen shows the set current value. Adjust the air pressure knob to the desired pressure and open the compressed air valve. Press the control button on the cutting gun, solenoid valve action, the machine can hear the high-frequency arc discharge sound, while the cutting gun nozzle should have gas outflow, the cutting gun nozzle plasma arc ejected. According to the thickness of the cutting workpiece, set the corresponding cutting current. After the distance between the copper mouth of the cutting gun and the workpiece is 2mm, and the ignition button is started by pressing the button on the cutting gun, the high-frequency arc striking spark in the machine will immediately disappear and the cutting can begin.
Plasma cutting with different working gases can cut all kinds of oxygen cutting hard-to-cut metal, especially for non-ferrous metals (stainless steel, aluminum, copper, titanium, nickel) cutting effect is better; its main advantage lies in the cutting of small thickness of metal When the plasma cutting speed is fast, especially when cutting ordinary carbon steel sheet, the speed can reach 5-6 times of the oxygen cutting method, the cutting surface is smooth, the thermal deformation is small, and there is almost no heat affected zone! Plasma cutting has developed to the present time, the working gas can be used (the working gas is the plasma arc of the conductive medium, but also carrying heat, but also to exclude the molten metal in the incision) on the plasma arc cutting characteristics and cutting quality and speed have Obvious effect.
The so-called CNC cutting refers to the workpiece instruction (or program) used to control the machine tool or equipment. It is a new control method given in digital form. When this kind of instruction is provided to the control device of the numerical control automatic cutting machine, the cutting machine can automatically cut according to a given program. CNC cutting consists of two parts: the numerical control system and the mechanical structure. Compared with traditional manual and semi-automatic cutting, CNC cutting effectively controls and improves the cutting quality and cutting efficiency through the cutting technology, cutting process and automatic control technology provided by the numerical control system or controller. CNC Cutting Machine is a digital program that drives the movement of the machine tool. As the machine moves, the cutting tool is equipped with a random cutting tool to cut the object. This mechatronic cutting machine is called a CNC cutting machine.
The operation method of the CNC plasma cutting machine is as follows: Turn on the power switch to put the power switch in the “ON” position. Enter the cutting pattern, set the cutting method, cutting speed, press the "cut" button, CNC cutting machine can automatically cut the sheet.

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