What are the differences in the use of laser cutting machines?

When choosing a laser cutting machine, many people will pay special attention to it, because it is very different from other cutting machines. Generally, people who have used it know that it is a device with multiple advantages. So I will not underestimate it. So why is the laser cutting machine so popular? The following is an explanation.

Speaking of the meaning of the dual-purpose configuration of the laser cutting machine, that is, the combination of flame cutting and plasma cutting to achieve the dual-purpose requirements of flame and plasma cutting.

Let's first understand the scope of application of the CNC flame cutting machine. The CNC flame cutting machine is mainly used to cut ordinary carbon steel plates with a thickness of 6mm-180mm. Then the thermal deformation of the workpiece with a thickness of 0.1mm-5mm is more severe. At this time, you have to consider buying a laser cutting machine with a 60-amp plasma power supply. Then the CNC plasma cutting machine Cutting range: CNC plasma cutting machine is mainly used for non-ferrous metals (such as stainless steel, copper, aluminum, etc.) that cannot be cut by ordinary carbon steel plates and flame cutting machines.

Mainly because flame cutting cannot oxidize the surface of non-ferrous metals and cannot complete the cutting. However, the bevel of plasma is not very obvious when cutting thin plates (such as workpieces below 5mm), so the thicker the workpiece, the greater the bevel. Large, this is related to the selection of plasma power supply (there is a difference between domestic plasma power supply and imported plasma power supply, and the difference between ordinary machine plasma power supply and fine plasma power supply), and the slag and burrs are also different.

In fact, the flame laser cutting machine refers to the laser cutting machine with any structure fixed on the flame cutting gun, and the direction of the cutting gun is controlled by the numerical control system, when to 'drop the knifeCutting of the drawn graphics. The flame fuel can be industrial oxygen combined with acetylene or propane. The former has high purity, and many users choose it.

What is a plasma cutting machine? Plasma cutting machine refers to the high-voltage arc generated by the plasma power supply of the machine, which instantly penetrates the workpiece, and then blows the slag through the high-pressure air to form the cutting surface. The CNC system controls when the plasma cutting power supply starts and when the arc breaks. , What route to cut along, etc., and finally complete the cutting of the drawn graphics.

Although the plasma power supply manufacturer claims that it can cut up to 100mm, in actual cutting, it is more difficult to cut more than 30mm. Cutting below 20mm is particularly superior, with fast speed and small deformation. When the plasma is cutting thick plates, the cut has a V-shaped groove. But for non-ferrous metals such as stainless steel, aluminum, copper, etc., flame cutting can't be done! The machine plasma cutting power supply selects the power of the power supply according to the thickness of the workpiece to be cut. The greater the power, the higher the price, and vice versa, the lower the price.

Based on the above comparison, what is the difference between flame cutting and plasma cutting:

1. The thickness is different, because the melting point and thermal deformation of flame cutting are relatively severe, then the workpiece with a thickness of more than 6mm needs plasma cutting to complete the cutting.

2. The cutting materials are different. Flame cutting can only cut ordinary carbon steel plates, and non-ferrous metals cannot oxidize the surface. At this time, a plasma cutting machine is needed to complete the cutting.

3. The cost is different. The initial purchase price of the flame cutting machine is lower. In the later stage, because of the continuous use of fuel (industrial oxygen-propane or acetylene), the later stage cost is high. The fuel price required for cutting is high, but only electricity consumption and replacement of the cutting nozzle are required in the later stage (generally, the cutting nozzle and electrode are domestically produced for more than a dozen yuan, and imported for more than 30 yuan), so the later cost is lower.

In addition to the above content, I hope everyone should pay attention to the skills and precautions in use when using the laser cutting machine.

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