When the plasma CNC cutting machine cuts the workpiece, the cutting current regulation problem of the machine plasma power supply is very important. It is the most important cutting process parameter and directly determines the thickness and speed of the cutting, ie the cutting ability. Regarding the impact, the direct manifestation of the following is the selection form of the cutting current of the plasma cutting machine:
1. The cutting current of the plasma cutting machine increases, the plasma arc energy increases, the cutting ability increases, and the cutting speed increases.
2. The cutting current of plasma cutting machine increases, the diameter of plasma arc increases, and the thickening of the arc makes the incision widen;
3. When the cutting current of the plasma cutting machine is too large, the thermal load of the nozzle increases, the nozzle is damaged prematurely, and the cutting quality naturally decreases, and even normal cutting cannot be performed. Therefore, the cutting current and the corresponding nozzle should be selected correctly according to the thickness of the material before cutting.
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Thermal spray wires are used in thermal spraying processes, which involve the application of a coating material onto a surface. These wires are specifically designed to be melted and sprayed onto a substrate to create a protective or functional coating.
Thermal spray wires are typically made from materials such as metals, alloys, or ceramics. They are available in various diameters and compositions to suit different applications and requirements. The wire is fed into a thermal spray gun, where it is heated to a molten state and propelled onto the surface being coated.
The thermal spray process offers several advantages, including the ability to apply coatings with excellent adhesion, corrosion resistance, wear resistance, and thermal insulation properties. It is commonly used in industries such as aerospace, automotive, oil and gas, power generation, and manufacturing.
Some common types of thermal spray wires include:
1. Metal wires: These wires are made from materials like aluminum, zinc, stainless steel, nickel, and copper. They are used for applications such as corrosion protection, thermal barrier coatings, and wear resistance.
2. Alloy wires: These wires are composed of a combination of different metals or metal alloys. They are used to create coatings with specific properties, such as high temperature resistance, electrical conductivity, or improved mechanical strength.
3. Ceramic wires: These wires are made from ceramic materials such as aluminum oxide, zirconia, or tungsten carbide. They are used for applications requiring high wear resistance, thermal insulation, or electrical insulation properties.
Overall, thermal spray wires play a crucial role in the thermal spraying process, enabling the creation of high-performance coatings for a wide range of industrial applications.
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