CNC laser engraver for metal processing technology has been widely used in many fields such as machinery industry, electronic industry, national defense and people's life. What are the main factors that affect the processing of CNC laser engraving machines, and which factors affect the processing of laser engraving machines?
1. The influence of output power and irradiation time
The laser output power is large and the irradiation time is long, and the laser energy obtained by the workpiece is large. When the focus is fixed on the surface of the workpiece, the greater the output laser energy, the larger and deeper the engraved pit, and the smaller the taper.
2. The influence of focal length and divergence angle
A laser beam with a small divergence angle can obtain a smaller spot and a higher power density on the focal plane after passing through a focusing objective lens with a short focal length. The smaller the spot diameter on the focal plane, the finer the product can be engraved.
3. The influence of the number of irradiation
With one laser irradiation, the depth of processing is about five times the width of the groove, and the taper is large. If the laser is used multiple times, not only the depth can be greatly increased, the taper can be reduced, but the width is almost unchanged.
4. The influence of workpiece material
Due to the different energy absorption spectra of various workpiece materials, it is impossible to absorb all the laser energy collected on the workpiece through the lens, and a considerable part of the energy is reflected or projected and lost. depends on the laser wavelength.
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A fiber laser marking machine is actually a laser with an unusual world content of cross-doped cup fibers as a gain medium. Dietary fiber laser beam marking equipment has become a hot field of laser physics research in recent years, and is unanimously considered to be a new technology that can completely replace sound expression lasers.
Fiber lasers may be produced based on fiber amplifiers: with the effect of light weight, high intensity densities can actually be formed from the fiber, and laser oscillation can be produced. Fiber laser marking models utilize a laser beam to permanently mark the tops of various supplies.
The purpose of marking is usually to reveal deep fabrics by dehydration of surface fabrics, or to "engrave" the remnants of work surface fabrics' physical changes due to light activity, or to burn off parts of the material by light to reveal the etching procedure required for power supply. Written text, barcodes, and other graphics.
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