If you are a proficient engineer or a inexperienced maker, learning the appropriate uses of design equipment to prevent pitfalls and mistakes will take time and experience. Every now and then, issues come up that leave designers wondering what they did wrong or the way they could do something better. This is true in any field and Laser Paint Remover For Sale engraving is no different.
Knowing how to prevent these mistakes so they don’t appear again is half the battle. Bearing that in mind, let’s talk about five of the very most common mistakes when it comes to laser engraving and ways to avoid them in future projects.
Mistake 1: Engraving Fabric nevertheless the Laser Burns with the Material – The first step in avoiding burning fabric having a laser engraving/cutting machine would be to understand which fabrics can withstand the process and also at what temperatures. Heartier fabrics such as denim, canvas and leather can withstand higher power settings during engraving. But with regards to delicate fabrics, it is important 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 if the material can withstand it, increase the power before you get the results you are interested in.
In terms of direct-to-garment engraving, it is helpful to lower the dots per inch (DPI) at which you engrave. The higher the DPI, the greater material will likely be removed. Engraving in a lower DPI helps guarantee 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 Generate a Frosty White Engraving – Probably, this can be caused using the wrong acrylic in the application. Two types of acrylics are typically found in laser engraving and both are suitable for different applications. Cast acrylic sheets and objects are produced from a liquid acrylic that is certainly poured into molds that can then be set into various sizes and shapes. This type of acrylic is ideal for engraving because it turns a frosty white color when engraved, making it appropriate for awards and plaques. It can be cut using a laser, however it won’t give projects flame-polished edges.
Another type of acrylic utilized in laser engraving is known as extruded acrylic, that is formed into sheets with a machine. Extruded acrylic is generally cheaper than cast acrylic because it is formed through a higher-volume manufacturing technique. However, it can react very differently with all the laser engraving machine. This type of acrylic cuts cleanly and smoothly and produces a flame-polished edge; however, when engraved, it doesn’t produce that frosted look, but rather a clear engraving. So make sure you are using cast acrylic if you need a frosted white finish.
Mistake 3: Inconsistent Glass Engraving – Oftentimes, each time a Laser Engraver For Glass strikes glass it is going to fracture the outer lining although not engrave deeply or remove the material necessary to engrave fully. The fractured glass surface will produce a frosted appearance, but could be rough and chipped depending on the form of glass that is certainly being engraved. Whilst the frosted look is desired, nobody wants a rough surface or chipping.
To be able to produce a smooth frosted finish, try incorporating one or some of the tips below:
Utilize a lower resolution, about 300 DPI, that can produce a better result on glass while you separate the dots you are engraving.
Change the black within your graphic to 80 percent black. Run your laser engraver with Jarvis Dithering (this dithering pattern may be found in Epilog’s print driver), which will help to provide a smooth finish.
Sometimes, applying a thin, wet sheet of newspaper or a paper towel to the engraving area can help with heat dissipation and enhance the engraving process. Just make sure you will find no wrinkles in the paper after it is actually applied. Another way to dissipate heat is to apply a thin coat of liquid dish soap towards the area you’re engraving – either together with your finger or even a paper towel. Finally, if you will find 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 one of the most laser-friendly materials available not merely because it could be cut very easily, but additionally since it engraves perfectly. However, different woods have different reactions while they are laser engraved and provide different results. Lighter woods, like cherry or maple, create a nice contrast in which the laser burns away the wood, while denser woods require more Laser Plotter Etching Engraving to cut or engrave.
Grain density can change dramatically depending on the form of wood you might be working with. Cherry, alder, walnut and maple have fairly small veins of grain within them, while oak has medium to large veins. As an example, in case a large square pmupgg engraved into some cherry, it would have got a uniform appearance; the location engraved will be smooth with little variation in height. However, if the same square was engraved into a bit of oak, its appearance would vary greatly in height and would have a very 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.
Jinan MORN Technology CO., Ltd.
Address:13F, Building 5, Qisheng Mansion,Xinluo Street,High-Tech Zone, Jinan, China, 250101
E-mail: [email protected]
Tel: (+86) 531-5557-2337