Discover how to Master Clear Acrylic Laser Engraving!
Welcome to another episode of “Material Minute”! In this post, we showcase how the Monport Onyx laser engraver performs an engraving test on 3.175mm clear acrylic. Using a variety of power and speed settings, we evaluate how this machine achieves detailed and precise engravings. Whether you’re a laser enthusiast or a creator refining your techniques, this guide will help you discover the ideal settings for engraving acrylic. Scroll down to see the test results and recommended settings in action!
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| Setting | Value |
| Material | 3.175mm (1/8 inch) Acrylic |
| Power | 20% to 100% |
| Speed | 50 mm/s to 500 mm/s |
| DPI | 254 |
| Line Interval | 0.1 mm |
| Air Assist | 5 PSI |
| Frequency | 20 kHz |
| Passes | 1 |
Final results of engraving test on 3.175mm Acrylic.
Analysis & Observations on Engraving 3.175mm Clear Acrylic
Optimal Engraving Settings:
The best engraving results were observed with power levels between 40%-60% and speeds ranging from 150–300 mm/s. These settings produced clear, consistent engravings with minimal frosting, making them ideal for detailed and high-quality acrylic designs.
Excessive Frosting and Melting:
Higher power levels (70%-100%) and slower speeds (50–150 mm/s) led to excessive frosting and even minor melting, which resulted in uneven and less-defined engravings. These settings are not ideal for precision work.
Faint Engravings:
At lower power levels (20%-30%) and higher speeds (350+ mm/s), the engravings were too faint and lacked clarity, making these settings unsuitable for detailed designs but potentially useful for subtle marking.
Air Assist Impact:
The use of 5 PSI air assist helped maintain clarity by reducing debris and preventing overheating during the engraving process.
Line Interval and DPI:
The 0.1 mm line interval and 254 DPI setting ensured sharp and consistent engravings, highlighting the Monport Onyx’s precision capabilities for acrylic materials.
Recommended Settings for 3.175mm Acrylic Engraving:
- Power: 40%–60%
- Speed: 150–300 mm/s
- Line Interval: 0.1 mm
- DPI: 254
- Air Assist: 5 PSI
- Frequency: 20 kHz
These settings provide the best balance for clean, precise engravings with minimal distortion or frosting on 3.175mm clear acrylic.
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