What is a laser cutting machine?

A laser cutting machine is a device that uses a high-energy-density laser beam to instantly heat and cut materials. It can be applied to a variety of different types of materials such as metal, plastic, wood, textiles, ceramics, etc. Laser cutting machines are widely used in industrial manufacturing, construction, clothing, furniture, medical equipment and other fields due to their high precision, high repeatability, automation, and environmental protection.

What are the classifications of laser cutting machines?

The classification of laser cutting machines mainly includes gas laser cutting machines, solid laser cutting machines, and fiber laser cutting machines. In addition, according to the different cutting materials, laser cutting machines can also be divided into metal laser cutting machines and non-metal laser cutting machines.

What factors affect the quality of fiber laser cutting machines?

Factors that affect the quality of fiber laser cutting machines include cutting height, cutting speed, gas purity, cutting power, and equipment hardware quality. In addition, the nature of the cutting material will also have an impact on the cutting quality.

What types of laser cutting machines are there?

There are many types of laser cutting machines. Here are some common classifications:

1. According to the type of laser, laser cutting machines can be divided into CO2 laser cutting machines, YAG laser cutting machines, fiber laser cutting machines, etc.

2. According to the structure, laser cutting machines can be divided into gantry type, cantilever type, manipulator type, etc.

3. According to power, laser cutting machines can be divided into high, medium and low power fiber laser cutting machines.

4. According to the cutting materials, laser cutting machines can be divided into metal and non-metal laser cutting machines.

According to the processing dimension, laser cutting machines can be divided into two-dimensional and three-dimensional laser cutting machines.

In addition to the above-mentioned common classification methods, there are other classification methods, such as based on laser output power, cutting plate format, cutting plate geometry, etc. Different classification methods are suitable for different application scenarios and needs, and you can choose the appropriate laser cutting machine type according to the actual situation.

Five Elements That Determine The Cutting Quality Of A Laser Cutting Machine

1. Incentive method 

A carbon dioxide laser is a laser that uses electrodes to excite carbon dioxide gas. According to the orientation of metal electrodes, it can be divided into DC excitation and radio frequency excitation.

2. Laser frequency 

The pulse frequency mainly affects the cutting speed and cutting roughness, and high frequency is necessary to obtain high-speed cutting. Most manufacturers now produce CO2 lasers with frequencies below 5000 Hz.

3. Beam divergence angle 

The beam divergence angle is not part of the laser components, but since the laser method has a great influence on the far-field divergence angle, the effect of the beam divergence angle on the cutting quality is reflected in the width and slope of the intercept. The smaller the divergence angle, the narrower the interception width, the smaller the slope, and the higher the quality.

4. Laser method 

Laser method is one of the important goals in measuring laser quality. It can be divided into single mode, fundamental mode and multimode. The basic pattern is the TEM-00 pattern, which has an index of 0 on the X and Y axes, so it's an ideal point. The beam diameter can be obtained by using a TEM-00 mode laser, and due to the small spot size during the cutting process, the incision is obtained and the cutting speed is faster. Multimode is a non-zero index in the XY direction and it has poor beam quality, and it is usually only used for welding and not necessarily for cutting.

5. Laser power 

Laser power includes peak power, energy stability and other factors. Sheets of different thicknesses can be cut with different powers. For example, 4KW laser can cut 20mm thick carbon steel plate, or 15mm stainless steel, 10mm aluminum alloy; 5KW above laser can cut 25mm thick. Carbon steel, stainless steel up to 20mm. Long-term production is also a very important test for lasers.

If you have any questions about fiber laser cutting machine, contact fly laser, we can help test samples in free for you.

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