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Explain how to select the gantry cutting machine

There are three main types of gantry cutting machines. One is a gantry flame cutting machine, the other is a gantry CNC plasma cutting machine, and the third is a gantry CNC straight cutting machine. The plasma cutting machine is popular in the market and recognized by customers. As an example, explain how to select a gantry cutting machine:

The selection of a plasma cutting machine is actually not difficult, there are mainly the following steps:

1. What is plasma cutting technology?

Plasma cutting is a processing method that uses the heat of a high-temperature plasma arc to locally melt (and evaporate) the metal at the incision of the workpiece, and use the momentum of the high-speed plasma to remove the molten metal to form an incision.

2. How does plasma cutting compare with flame gas cutting?

Plasma cutting can only be effective on metals that can be used as conductors-mild steel, aluminum and stainless steel are typical examples. When cutting low carbon steel, the operator will experience a higher speed and deeper cutting effect.

Flame gas cutting cuts by burning high temperature, or cutting metal by oxidation. Therefore, the scope of its application is limited to ferrous metals such as steel, which can be treated by oxidation technology. Metals like aluminum and stainless steel will generate oxides to restrain further oxidation. This makes it impossible for traditional flame gas cutting to process this type of material. Plasma cutting does not rely on oxidation treatment, so it can effectively cut aluminum, steel, and other conductive metals.

Moreover, different types of gases can be used in plasma cutting. At present, most people use compressed air for plasma cutting. Air compressors are available in most cities. Therefore, plasma cutting does not require gases such as combustible gas and compressed oxygen as operating gas.

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