In the process of laser cutting, the higher the auxiliary gas pressure provided by the gas-liquid booster pump, the better? The auxiliary gas pressure of the gas-liquid booster pump is not the greater the better, but it is enough.
In the working process of laser cutting machine, the auxiliary gas of gas-liquid booster pump must reach the pressure that can completely remove the waste residue produced by cutting. When cutting thick workpieces, reduce the air pressure, otherwise the residue adhered to the workpieces will destroy the cutting. Edge.
Indeed, increasing the pressure of auxiliary gas can improve the cutting speed of laser cutting machine, but there is a critical value. When the critical value is reached, no matter how to increase the air pressure, it will not increase the cutting speed, but may reduce the cutting speed.
Why? Because in the case of high-pressure auxiliary gas, the high-pressure air flow velocity will not only enhance the cooling effect, but also cause the intermittent shock wave in the air flow to interfere with the cooling of the laser action area.
The working principle of gas-liquid booster pump is similar to that of supercharger, which exerts very low pressure on large-diameter pneumatic piston. When this pressure acts on a small area piston, a high pressure is generated. With the help of 5 / 2 pneumatic directional valve, the booster pump can operate continuously. The high-pressure plunger controlled by the check valve continuously discharges liquid, and the outlet pressure of the booster pump is related to the air driving pressure.
When the pressure between the driving part and the output liquid part reaches balance, the booster pump stops running and no longer consumes air. When the output pressure drops or the gas drive pressure rises, the booster pump will automatically use a single pneumatic unbalanced valve to realize the automatic reciprocating motion of the pump. The gas drive part of the pump body is made of aluminum alloy.
Stainless steel or stainless steel shall be selected according to different liquid contact medium. Generally, the pump has two inlet and outlet ports. The air pressure that can produce air pressure lower than normal pressure (i.e. atmospheric pressure) at the air inlet is called "negative pressure"; The air pressure that can produce air pressure higher than normal pressure at the air outlet is called "positive pressure". For example, vacuum pump is often called negative pressure pump, and booster pump is positive pressure pump.
After explaining the pressure and working principle of gas-liquid booster pump in laser cutting, if you need to pay attention to our website www.allarabandroid.com COM, let you get a satisfactory reply!