Require a good degree of vertical, cut surface smooth, no stripes.
2 slit width
The width of the incision has a great relationship with the beam mode and the diameter of the focused spot。 According to the beam mode and focal length, the diameter of the light spot after the focus of the carbon dioxide laser beam is generally 0。12-0 。3 mm。
3 Thermal impact area width
The thermal impact area is as small as possible, no material combustion, no melting layer formation, no more slag, no brittle fracture.
Surface roughness of the incision. He is the key to measuring the quality of laser cutting surfaces. The workpiece with a small thickness is easier to obtain a higher degree of roughness than the workpiece with a large thickness. The roughness of the cut metal on the surface of the same mouth, middle and lower parts is not the same, and the roughness near the surface of the upper end of the laser beam is minimal, and the roughness of the lower end is greater. For thinner workpieces, if the thickness is less than 3mm, the roughness of the upper, middle, and lower parts of the laser cutting surface is very small. The quality grade of laser cutting surface is generally the standard for the bottom roughness. This is more practical and easy to master.