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Whether you are an accomplished engineer or a beginner maker, learning the correct uses of design equipment to prevent pitfalls and mistakes takes time and experience. Every now and then, issues appear that leave designers wondering the things they did wrong or the way that they could do something better. This is true in every field and Laser Cleaning Rust Removal engraving is no different.

Knowing ways to avoid these mistakes so that they don’t appear again is half the battle. Bearing that in mind, let’s speak about five of the very most common mistakes when it comes to laser engraving and ways to prevent them in future projects.

Mistake 1: Engraving Fabric nevertheless the Laser Burns from the Material – Step one in avoiding burning fabric using a laser engraving/cutting machine would be to understand which fabrics can withstand the procedure as well as at what temperatures. Heartier fabrics like denim, canvas and leather can withstand higher power settings during engraving. But with regards to delicate fabrics, it is essential to start your settings at high speed (near or at 100%) and low power (around 5% to 10%). Test these initial settings on some spare material, and when the fabric can withstand it, increase the power until you obtain the results you are interested in.

In terms of direct-to-garment engraving, it really is beneficial to lower the dots per inch (DPI) where you engrave. The higher the DPI, the more material will be removed. Engraving in a lower DPI helps make sure the laser just slightly vaporizes the very best layer and doesn’t burn entirely from the fabric. Most fabric engravings do fine at 150 to 300 DPI.

Mistake 2: Acrylic Doesn’t Produce a Frosty White Engraving – Most likely, this is caused by using the wrong acrylic in the application. 2 kinds of acrylics are typically found in laser engraving and both are suitable for different applications. Cast acrylic sheets and objects are made from a liquid acrylic that is poured into molds that may then be set into various sizes and shapes. This sort of acrylic is perfect for engraving as it turns a frosty white color when engraved, rendering it ideal for awards and plaques. It may be cut having a laser, but it won’t give projects flame-polished edges.

One other kind of acrylic found in laser engraving is referred to as extruded acrylic, that is formed into sheets by way of a machine. Extruded acrylic is normally more affordable than cast acrylic since it is formed through a higher-volume manufacturing technique. However, it can react very differently with the laser engraving machine. This type of acrylic cuts cleanly and smoothly and generates a flame-polished edge; however, when engraved, it doesn’t produce that frosted look, but rather a clear engraving. So ensure you are using cast acrylic if you want a frosted white finish.

Mistake 3: Inconsistent Glass Engraving – Oftentimes, whenever a Carbon Fiber Laser Cutting Machine strikes glass it will fracture the top but not engrave deeply or take away the material needed to engrave fully. The fractured glass surface will create a frosted appearance, but could be rough and chipped depending on the form of glass that is being engraved. Whilst the frosted look is desired, nobody wants a rough surface or chipping.

In order to generate a smooth frosted finish, try incorporating one or some of the tips below:

Utilize a lower resolution, about 300 DPI, that can create a better result on glass when you separate the dots you are engraving.

Modify the black within your graphic to 80 percent black. Run your laser engraver with Jarvis Dithering (this dithering pattern are available in Epilog’s print driver), which can help to provide a smooth finish.

Sometimes, applying a thin, wet sheet of newspaper or perhaps a paper towel for the engraving area can help with heat dissipation and enhance the engraving process. Just be certain you can find no wrinkles within the paper after it is applied. Another way to dissipate heat is to apply a thin coat of liquid dish soap to the area you’re engraving – either together with your finger or perhaps a paper towel. Finally, if there are shards of glass after engraving, polish the region having a non-scratch scour pad.

Mistake 4: Wood Engraving Produces Different Results on the Same Setting – Wood is probably the most laser-friendly materials available not merely because it may be cut quickly, but in addition because it engraves very well. However, different woods have different reactions while they are laser engraved and produce different results. Lighter woods, like cherry or maple, generate a nice contrast where the laser burns away the wood, while denser woods require more Rotary Engraving to reduce or engrave.

Grain density can transform dramatically depending on the kind of wood you happen to be utilizing. Cherry, alder, walnut and maple have fairly small veins of grain in them, while oak has medium to large veins. For example, if a large square pmupgg engraved into some cherry, it would have got a uniform appearance; the area engraved would be smooth with little variation in height. However, in the event the same square was engraved into a bit of oak, its appearance would vary greatly in height and would have got a non-uniform appearance.

Jinan MORN Technology Co., Ltd. (MORN GROUP) is a leading laser machine manufacturers and exporter in China. We are specialized in fiber laser cutting machine and fiber laser marking machine with 10 years experience.

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Jinan MORN Technology CO., Ltd.
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