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How does the laser engraving machine engrave transparent acrylic?

Views: 39     Author: Site Editor     Publish Time: 10-27-2021      Origin: Site

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Acrylic is also called plexiglass and is widely used. There are two common production processes for common acrylic, namely casting and rolling. Generally, the material selection of CO2 laser engraving machine will use cast acrylic, and the calendered acrylic will have a much better effect in laser cutting. So, how does the laser engraving machine engrave transparent acrylic? Leapion laser shares are as follows:

Acrylic material is a commonly used engraving material second only to wood, and it is widely used. It is easy to cut and engrave, because it has good transparency, stability and weather resistance, and it is also easy to process, dye and cut into various sizes and shapes; its material is cheap, and its laser absorption rate is good, and it can be used for making Various products, including various signs, gifts and prizes.

The method of laser engraving machine engraving transparent acrylic:

1. For acrylic carving, it is recommended to use the method of carving from the back, which is commonly known as back carving. Designed by computer software and then produced a mirrored back pattern for engraving, this way is both beautiful and natural.

2. Laser engraving acrylic works best at low power and high speed.

1) If your acrylic material has coating or other additives, please increase the power by 10%, but keep the speed of using on unpainted acrylic. This provides more energy for the laser to cut paint. The material in question will determine the ideal frequency setting for your laser.

2) However, if you use cast acrylic, you can engrave with a high frequency of 10,000 – 20,000 Hz, and if you use extruded acrylic, you may want to engrave at a lower frequency of 2,000 – 5,000 Hz. A lower frequency will result in a low pulse, thereby increasing the pulse energy or reducing the constant energy in the acrylic. This phenomenon results in less boiling, less flame and slower cutting speed.

Generally speaking, it is easier to manufacture extruded acrylic than cast acrylic, which makes extruded acrylic cheaper.

In addition, the extruded acrylic is clean and smooth after laser engraving, and the edges are flame polished. After laser engraving, the product looks very clear, not like the frosted appearance after casting acrylic engraving. It is also softer in comparison and tends to stick during the rotating engraving process.

The above is the method of engraving transparent acrylic with laser engraving machine. If you want to know more information and professional questions about laser engraving machine, please consult Leapion Laser.


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