Enclosed Type

The main advantage of CNC laser cutting machine

by:Transon     2020-10-29
Increase the gas flow can progress of arc column voltage, and to enhance the compression function of the arc column and make stronger sense of plasma arc energy more focused, spray, and thus can progress cutting speed and quality. If the optimum cutting speed differences, its effect on the contrary, but also increase the viscous slag, cutting quality decline. Interval is too big or too small, can make electrode serious loss, cut the mouth burn out and cutting ability.

to increase cutting current can also progress of plasma arc power, but it is limited by a large promised to current, or you will make the plasma arc beam coarsens, slot width increase and the decrease of the electrode life.
plasma cutting power supply, it is necessary to have a high enough no-load voltage, arc and can easily make the plasma arc not burning. This progress not only yield rate, and can reduce the cut parts deformation and heat affected zone in slot.

in the so-called drop-off is refers to the end of the electrode to the cutting nozzle interval, the appropriate interval can make arc in the nozzle have good compression, gain energy concentration and high temperature of plasma arc and effectively cutting. But the gas flow is too large, it will make the arc column short and heat loss increase, make the cutting ability is abate, properly until the cutting process. No-load voltage usually is 120 - 600 v, and half of the arc column voltage is commonly no-load voltage. Progress of arc column voltage, can significantly increase the plasma arc power, thus can progress more cutting speed and cutting thickness of the sheet metal.

laser cutting machine of above various factors directly affect the compression effect of plasma arc, also is the influence of plasma arc temperature and energy density, and plasma arc of high temperature and high energy determines the cutting speed, so the above various factors are related to the dance music dj66 net cutting speed. Under the condition of guarantee the quality of cut, cutting speed should be as far as possible progress. The interval is commonly 4 to 10 mm.
laser cutting machine cutting nozzle height refers to the nozzle end face to the cut surface of interval. It like the drop-off in electrode, interval are suitable to fully exert efficiency of plasma arc cutting, otherwise it will make the cutting efficiency and cutting quality decline or cut mouth burn out. Take 8 - drop-off in general 11mm。 。 Laser cutting machine arc column voltage is often by adjusting the gas flow rate and increase the drop-off in electrode did not meet, but cannot exceed 65% of the no-load voltage of arc column voltage, otherwise it will make plasma arc not not disorderly.
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