Several factors affecting the slitting effect of laser cutting machine Analysis of several factors affecting the slitting effect of laser cutting machine Each customer wants higher cutting precision and smaller slit when using laser cutting machine, then how can What is the ideal effect? Believe
Everyone wants to know this answer very much. The following Wuhan High Energy Laser summarizes some relevant factors for everyone's reference.
A. The choice of laser cutting machine.
The quality of the laser cutting machine is one of the factors that affect the cutting effect; a. The performance of the laser cutting machine system is related to the configuration of many correlations.
The quality of the quantity directly affects the cutting effect, so the user must polish his eyes in the early selection process, do not buy inferior products, do not buy defective products, do not
For some low price differences that affect the quality of the cut, the final is not worth the candle. Wuhan high-energy lasers have worked hard on the selection of machines, first of all
We use the best configuration, cutting-edge laser generation system, cutting system, precise machine positioning system, advanced numerical control device and imported servo
Motors are the best choice.
b. Laser cutting machine system performance impact (1). Beam mode: the lower the beam mode, the smaller the focal spot size after focusing, the larger the irradiance, the wider the incision
Therefore, the efficiency of cutting and the quality of cutting are higher. Therefore, in process control, after-sales engineers are required to strictly control and debug. (2). Beam bias
Oscillation: When cutting with polarized light, when the cutting direction changes with respect to the polarization direction of the beam, the laser absorbing ratio of the cutting material will be very high.
Great changes that affect the quality of laser cutting.
2. The relationship between the cutting direction and the positive direction of the laser cutting machine.
1) When the cutting direction is parallel to the polarization direction, the cutting edge has the highest absorption ratio of the laser, so the slit is narrow, the perpendicularity of the slit and the roughness are low, and the cutting is performed.
Cutting speed is fast.
2) When the cutting direction is perpendicular to the polarization direction, the cutting front has the highest reflectance to the laser, the absorption ratio is the smallest, and the lateral absorption ratio is increased.
The cutting speed is decreased, the slit is widened, and the roughness of the cutting surface is also increased.
3) When the cutting direction is at an oblique angle to the polarization direction, the direction of the maximum laser absorption ratio is also at an angle to the cutting direction, resulting in the lower portion of the slit
Skewed.
4) In order to prevent changes in the shape of the slit and the quality of the cut surface due to the change in the cutting direction, circularly polarized light should be used for cutting. Circularly polarized light
The vector amplitude is equal in all directions, so the absorption ratio of the cutting edge to the laser does not change due to the change of the cutting direction, and the slit is uniform and complete.
Qi.
In order to convert the line pronoun vibration of the laser output into circularly polarized light, a circular polarizer is added at the beam exit.
Third, the laser cutting machine process parameters.
The process parameters of laser cutting machine have a great influence on the quality of laser cutting. Therefore, operators are required to have certain knowledge about laser cutting.
Solution, the parameters of the laser cutting machine affect the cutting quality mainly three points:
1.Laser focus: Different laser focus positions correspond to different cutting surface roughness. You can look at the three laser cutting machines brought by Hong Lei laser.
Positioning method of focus position" and "relationship between laser cutting machine focus positioning and material".
2. Laser power: at a certain cutting speed, the best laser power, the best quality of cutting, deviating from the optimal laser power, will make the cutting table
Rough surface. Increasing and reducing the laser power can cause the cutting material to burn or slag defects.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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