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Laser cutting machine laser perforation size and its control precision

by:Transon     2020-10-27
Laser cutting machine laser perforation size and its accuracy of control
( 1) Aperture control using small divergence Angle of laser ( 0. 001-0. 003rad) And shorten the focal length or reduce the output energy small aperture can be obtained. For high melting point. Good thermal conductivity material aperture 0 can be realized. 01 ~ 1 mm small hole machining, small aperture can reach 0. 001mm。
  ( 2) Improve the depth of the hole control laser output energy, the reasonable pulse width ( Materials and thermal conductivity, the better, the pulse width of the shorter the YiQu) Model, the application base model ( Light intensity is a gaussian distribution of single mode) Big hole depth can be obtained. For the size of small deep Kong Yi by laser irradiation for many times, with short focal length ( 15~30mm) The objective of punch.
  ( 3) Improving laser machining hole roundness laser mode using the base mould processing, focusing lens with aplanatic lens, and the lens axis and the laser beam axis coincidence, artifacts for deviating from the focal point and select the appropriate laser energy can improve the processing and roundness.
  ( 4) Lower punch taper hole taper usually increases with the aperture ratio increased, with the appropriate laser output energy or small light for many times, shorter focal length, small lens refractive index and decreases the Angle between the incident ray and the axis measures can reduce hole taper.
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