There are many qualities that affect the quality of flame cutting, where the cutting oxygen flow plays a crucial role in gas flame cutting. The cutting of the oxygen stream requires both the burning of the metal and the burning of oxides from the incision. Therefore, the purity of cutting oxygen has an important influence on the quality of cutting and cutting speed.
Commonly used CNC flame cutting machine gas includes propane, acetylene, natural gas, gasoline, liquefied petroleum gas, and so on. Their common point is that they can form local high temperatures when burning. When used in CNC flame cutting machine, in order to better improve the cutting quality, make gas If it can be burned to form a higher temperature, it will usually be supplemented with oxygen with a higher purity. Then, relative to enterprises and users, how to control and grasp the purity of cut oxygen is even more important. The following Wuhan Guardian CNC Technology Co., Ltd. based on its many years of experience in the development and production of CNC flame cutting machine, to provide some suggestions:
In the process of flame plasma cutting machine, the purity of oxygen is an important factor affecting the gas cutting process and quality. Oxygen purity is poor, not only the cutting speed is greatly reduced, the cutting surface is rough, the bottom edge of the cut is slagging, and the consumption of oxygen is increased. Oxygen purity decreased from 99.5% to 98%, that is, a decrease of 1.5%, cutting speed decreased by 25%, and oxygen consumption increased by 50%.
It is generally believed that if the oxygen purity is lower than 95%, gas cutting cannot be performed. To obtain a gas-cut cut without sticky slag, the oxygen purity must reach 99.6%. So for the flame CNC cutting machine, the purity of oxygen can not be ignored!
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