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Laser cutting machine manufacturer: take you to understand the method of laser cutting machine laser perforation

Laser cutting machine manufacturer: take you to understand the method of laser cutting machine laser perforation

  • Categories:Industry News
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  • Time of issue:2021-06-14 12:38
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(Summary description)As a new type of tool, laser cutting equipment is becoming more and more mature and used in various industries. So how does the laser cutting machine use laser perforation? Usually a small hole must be punched in the board. In earlier laser cutting equipment, laser punching and laminators first punched the hole with a punch, and then cut the small hole with a laser. The laser drilling method of the laser cutting machine of the laser filling equipment is mainly reflected in the following two aspects:

Laser cutting machine manufacturer: take you to understand the method of laser cutting machine laser perforation

(Summary description)As a new type of tool, laser cutting equipment is becoming more and more mature and used in various industries. So how does the laser cutting machine use laser perforation? Usually a small hole must be punched in the board. In earlier laser cutting equipment, laser punching and laminators first punched the hole with a punch, and then cut the small hole with a laser. The laser drilling method of the laser cutting machine of the laser filling equipment is mainly reflected in the following two aspects:

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-06-14 12:38
  • Views:
Information

As a new type of tool, laser cutting equipment is becoming more and more mature and used in various industries. So how does the laser cutting machine use laser perforation? Usually a small hole must be punched in the board. In earlier laser cutting equipment, laser punching and laminators first punched the hole with a punch, and then cut the small hole with a laser. The laser drilling method of the laser cutting machine of the laser filling equipment is mainly reflected in the following two aspects:

1. Pulse perforation: A pulsed laser with high peak power is used to melt or vaporize a small amount of material. Air or nitrogen is usually used as an auxiliary gas to reduce pore expansion due to exothermic oxidation. The air pressure during laser cutting is lower than the oxygen pressure. Each pulsed laser only produces a deeper jet of small particles, so it takes a few seconds to perforate a thick plate. After the perforation is completed, the auxiliary gas is immediately changed to oxygen for cutting. In this way, the diameter of the hole is small, and the quality of the hole is better than that of sandblasting. The laser cutting machine used for this purpose should not only have a higher output power, but also a higher output power. More importantly, the temporal and spatial characteristics of the beam make ordinary cross-flow CO2 lasers unable to meet the requirements of laser cutting. In addition, pulse perforation requires a more reliable gas path control system to realize the switching of gas type, gas pressure and perforation time.

2. Sandblasting perforation: After continuous laser irradiation, the material forms a pit in the center, and then the molten material is quickly removed by the oxygen stream coaxial with the laser beam to form a hole.

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