Life common types of process of laser cutting machine is introduced
by:Transon
2020-10-31
The process of laser cutting machine has a variety of different requirements.
Cutting - control is broken
For easy to heat damage of brittle materials, high speed, controlled by laser beam heating cutting, called control fracture cutting.
Details are introduced: 1.
Control fracture cutting;
For easy to heat damage of brittle materials, high speed, controlled by laser beam heating cutting, called control fracture cutting.
The cutting process is the main content: laser beam heating brittle material is small area, causing the area of thermal gradient and severe mechanical deformation, cracks leads to the formation of a material.
Laser beam may guide so long as you keep balanced heating gradient cracks in any direction.
2.
Oxidation melting cutting;
Melt cutting generally use inert gases, if replaced with oxygen or other reactive gas, was lit materials under the irradiation of laser beam, and the chemical reaction of oxygen violent and produce another source of heat, called oxidation melting cutting.
3.
Melt cutting;
When the incident laser power density is more than a certain value, the beam point material internal open mom evaporation, forming holes.
Once the holes to form, which will serve as a bold absorb all of the incident beam energy.
Hole is surrounded by a wall of molten metal, and then, and beam coaxial auxiliary air holes around the molten material.
With workpiece moving, the hole by the synchronous transverse cutting direction to form a cut seam.
To continue along the seam at the forefront of laser beam irradiation, continuous or pulse melting materials from being blown away from the seam.
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