GCC LaserPro S290LS Laser Engraver Focal Lens Flexible Adaptability
| Adaptations of the laser engraver focal lens to various applications will offer tremendous possibilities, creating different laser engraving results with assorted resource media. | ||
| GCC LaserPro S290 laser engraver offers two different sized lenses for more flexibility of applications. This issue of application sharing will introduce two varied lens specifications and how they differ in laser engraving. | ||
| Please find below the experimentation from the LaserPro application lab for a better perception of application results. | ||
| Working object: 0.1mm metallic piece | ||
1. Lens specifications | ||
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2. Comparison of laser engraving results | ||
| On stainless steel, two differed lens will create two varied laser engraving results. | ||
| Recommended reading: 5 Mins Read-15 Tips for Buying a Laser Engraving Machine | ||
A. Comparison by Spot size | ||
| S290 and CO2 laser engravers are similar in which their spot sizes will change to match the different lenses used. 2”lens and 4”lens both offer different spot sizes. | ||
| The laser engraved results on metallic media are not easily differentiated by the human eye perception. Please refer to the following graphs where we used the magnifying glass and further assessed the laser engraved results by optical measure standards: the 2”lens engraved spot sizes measured between 0.05~0.06 mm, and the 4”lens engraved 0.08~0.09 mm respectively. | ||
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| 2” Sample 4” Sample | ||
B. Compare by laser engraving depth | ||
| Here we use metal pieces with a width of 0.1 mm for laser engraving; its results will distinguish and allow for comparisons of actual laser engraving depths. | ||
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| With identical parameter settings, the 2” lens will achieve deeper laser engraving results than the 4” lens. The following graph also demonstrates that with the same given speed of 1%, the 2” lens can almost cut through the metallic piece, but the 4” lens only managed to give a slight cutting mark. | ||
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| Test Results: | ||
| Parameters | Speed:1%、Power:100% | Speed:0.6%、Power:100% |
| Depth | 0.1 mm | 0.1 mm |
The 2” lens will laser engrave depths approximating to 0.1 mm at a speed of 1%, but the 4” lens could only match the same depth result with a speed of 6% (Power set at 100%).
Slower speeds will generate even deeper laser engraving results, but please take caution with heat levels as it may cause possible damage to resource media.C. Compare by the smallest text laser engraved
Conducting small text experiments and limiting between 1mm~0.1mm, aiming to test and find the smallest texts possible from using both 2” and 4” lenses. There is only a slight difference of texts between both lenses, the smallest recognizable text is 0.3mm, and is the same for both. The greatest different between both lenses being that 2” lens gives more refined texts than the 4” lens, the following graphic example further exemplifies this difference.
2” small text Sample 4” small text Sample
3. Application recommendations
From the comparisons above, users should be able to take advantage of both lenses and utilize their strengths in future applications using different resource media. Select lenses according to your application requirements for the best results with your laser engraver.
| Application | Lens | Remark |
|---|---|---|
| Deep Laser Engraving | 2” Lens | Shorter focus, smaller Spot size, higher Power density. When equal time duration is given, 2” will generate deeper laser engraving results. |
| Graphic and Vector Laser Engraving | 4” Lens | Generates a bigger spot size, faster laser engraving speed, cautiously works with the surface of resource materials. |
| Text Laser Engraving | 2” & 4” Lens | Both Lens are applicable, select in accordance with chosen resource media and required laser engraving depth. |