How are laser cutting parameters set?
How are laser cutting parameters set?
The laser cutting parameters are dependent on the beam characteristics, the cutting rate required, the composition and thickness of the material to be cut, and the desired cut edge quality. The laser cutting process and cut quality depend upon the proper selection of laser and workpiece parameters.
What is the process of laser cutting?
Laser cutting is a slitting process with which it is possible to cut metallic and non-metallic raw materials of different material thicknesses. This is based around a laser beam which is guided, formed, and bundled. When it hits the workpiece, the material heats up to the extent that it melts or vaporises.
How thick can a fiber laser cut?
Generally, the 1000w fiber laser cutting machine can cut carbon steel plates of about 10mm, and stainless steel plates are slightly difficult to cut. If the cutting thickness is to be increased, the edge effect and speed must be sacrificed.
What laser cutting component focuses the laser to a focal point on the workpiece?
Focusing optics The focusing optic causes the laser beam to be focused into a single spot through the nozzle. The focusing optic may either be a zinc-selenide lens or a parabolic mirror.
What are the laser parameters?
Five parameters should be considered each time a laser or light-based device is used: wavelength, power, spot size, pulse width, and cooling. If a laser device allowed control of each of these parameters independent of the other, you would be able to adjust the treatment more precisely to match your patient.
Is laser cutting a thermal process?
Laser cutting is mainly a thermal process in which a focused laser beam is used to melt material in a localised area. A co-axial gas jet is used to eject the molten material and create a kerf. A continuous cut is produced by moving the laser beam or workpiece under CNC control.
What is kerf in laser cutting?
What does laser kerf mean? The laser burns away a portion of material when it cuts through. This is known as the laser kerf and ranges from 0.08mm – 1mm depending on the material type and other conditional factors. Although above ~0.45mm is only experienced when cutting thicker foams.
How thick will a 1000w fiber laser cut?
Generally, a 1000w fiber laser cutting machine can cut carbon steel plates of about 10mm, and stainless steel plates are slightly difficult to cut. If the cutting thickness is to be increased, the edge effect and speed must be sacrificed.
How thick can a 3000w laser cut?
3000W Fiber laser cutting machine Cutting parameters,IPG,Raycus,Max
Material type | Thickness(mm) | Cutting height(mm) |
---|---|---|
Carbon steel (Q235B) | 20 | 1.5 |
22 | 1.5 | |
25 | 1.5 | |
Stainless steel (SUS304) | 1 | 0.5 |
What is TRT in laser?
A key factor for determining optimal pulse duration for a particular treatment is thermal relaxation time (TRT). TRT refers to the more specific amount of time in which it takes targeted tissue to release more than 50% of the heat delivered with each energy pulse.