Enclosed Type

The main technology of the laser cutting machine

by：Transon 2020-10-29

Laser cutting machine to prevent the steam condensate to the slot wall material, the thickness of the material must not be larger than the diameter of the laser beam. This case need to be very high laser power. The laser power density is greater than 108 w/cm2, and depends on the material, cutting depth and the beam focus position. Cannot be used in the processing, such as wood and some ceramic, laser cutting machine and is unlikely those without melting state let material vapor condensed material. The processing and therefore only suitable for application in the case of necessary to avoid melting materials out. In addition, these materials to achieve more often thick incision. Under the condition of the plate thickness must be, assuming that there is enough of laser power, cutting speed is limited by a gas jet speed. The processing, in fact, only for the use of iron base alloy is small area. In the case of plate thickness must be, laser cutting machine cutting speed is in the material of the gasification temperature. In laser vaporization cutting, optimal beam focus depends on the material thickness and beam quality.
in the process of laser gasification cut, material surface temperature to the boiling point temperature speed is so fast, laser cutting machine to avoid melting in the heat conduction, and department of materials evaporation disappear into steam, department of materials as the ejecta from the bottom of the kerf width auxiliary gas flow blown away. Laser power and vaporization heat only certain influence on optimal focus position.

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