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How to Design the Plasma Cutting Machine Running Speed?

How to design the running speed of plasma cutting machine According to the design specification, the upper limit of plasma cutting operation speed is 3500mm/min, which is the actual running cutting speed of index-controlled cutting machine. In fact, many manufacturers will run at no load when introducing products to users. Speed ​​is the main, the speed can reach 7000mm / min or more. But in any case, such a large speed range is relatively difficult for the user to grasp. How to design the running speed of different thickness materials for different materials when cutting? The following Plasma Welding Machine Suppliers will answer your questions.

There are many factors affecting the quality of plasma cutting, such as the no-load voltage and arc column voltage, the cutting current, the electrode shrinkage, the cutting height and other plasma arc cutting process parameters, which will directly affect the stability of the cutting process, cutting Quality and effectiveness. In general, factors such as no-load voltage and arc column voltage, cutting current magnitude, electrode shrinkage, and cutting nozzle height directly affect the compression effect of the plasma arc, that is, the temperature and energy density of the plasma arc, while the plasma arc High temperature and high energy determine the cutting speed, so it can be said that many of the above factors are essentially related to the cutting speed. As a CNC cutting device, the cutting speed should be increased as much as possible while ensuring the cutting quality. This not only increases productivity, but also reduces the amount of deformation of the cut parts and the heat affected area of ​​the slotted area. If the cutting speed is not suitable, the effect is reversed, and the sticking slag is increased, and the cutting quality is lowered.

Plasma Cutting Torch
At present, the Gas Cutting Machine is divided into several types according to the different cutting aid gas. The cutting speed specifications of different auxiliary cutting gases are also different. Take the air plasma arc cutting as an example. When cutting the carbon steel plate, the cutting current of 230A is taken as the standard, 6mm. The cutting speed of the thickness carbon steel plate can reach 3300mm/min, and when the thickness is adjusted to 40mm, the cutting speed is limited to 500mm/min to ensure the cutting effect and quality. If you switch to other auxiliary cutting gas, such as cutting with pure oxygen, the cutting speed is reduced more. At the same cutting current of 230A, although the pure oxygen plasma cutting of 6mm thickness carbon steel can be increased to 3700mm/min, the cutting of 40mm carbon steel plate is cut. The speed is only 350mm/min.
In general, since different cutting power supplies and torches have the best process parameters when cutting different metal materials and materials of different thicknesses, the most suitable cutting speed specification should be determined according to the actual conditions of equipment and workpieces. .
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