Whether you are a proficient engineer or a inexperienced maker, learning the appropriate uses of design equipment to avoid pitfalls and mistakes needs time and experience. Every now and then, issues come up that leave designers wondering what they did wrong or the way that they could do something better. This is true in any field and First Laser Rust Remover Price engraving is no different.
Knowing how to avoid these mistakes therefore they don’t show up again is half the battle. Knowing that, let’s speak about five of the most common mistakes in terms of laser engraving and the ways to avoid them later on projects.
Mistake 1: Engraving Fabric however the Laser Burns from the Material – The initial step in avoiding burning fabric with a laser engraving/cutting machine is always to understand which fabrics can withstand the process and also at what temperatures. Heartier fabrics like denim, canvas and leather can withstand higher power settings during engraving. But in terms of 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 when the material can withstand it, boost the power before you obtain the results you are searching for.
In terms of direct-to-garment engraving, it is actually helpful to lower the dots per inch (DPI) in which you engrave. The larger the DPI, the more material will be removed. Engraving with 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 Create a Frosty White Engraving – Probably, this really is caused by using the wrong acrylic within the application. 2 kinds of acrylics are usually utilized in laser engraving and both are suitable for different applications. Cast acrylic sheets and objects are made of a liquid acrylic that is certainly poured into molds that can then be set into various styles and sizes. This kind of acrylic is perfect for engraving since it turns a frosty white color when engraved, rendering it suitable for awards and plaques. It can be cut having a laser, nevertheless it won’t give projects flame-polished edges.
One other kind of acrylic utilized in laser engraving is known as extruded acrylic, which can be formed into sheets by way of a machine. Extruded acrylic is normally cheaper than cast acrylic because it is formed through a higher-volume manufacturing technique. However, it does react very differently with all the laser engraving machine. This sort of acrylic cuts cleanly and smoothly and produces a flame-polished edge; however, when engraved, it doesn’t produce that frosted look, but instead a specific engraving. So ensure you are using cast acrylic if you need a frosted white finish.
Mistake 3: Inconsistent Glass Engraving – Oftentimes, each time a Mopa Fiber Laser Marker strikes glass it can fracture the outer lining but not engrave deeply or remove the material needed to engrave fully. The fractured glass surface will create a frosted appearance, but may be rough and chipped depending on the form of glass which is being engraved. Whilst the frosted look is desired, no one wants a rough surface or chipping.
To be able to create a smooth frosted finish, try incorporating one or some of the tips below:
Utilize a lower resolution, about 300 DPI, which will generate a better result on glass while you separate the dots you might be engraving.
Alter the black inside your graphic to 80 % black. Run your laser engraver with Jarvis Dithering (this dithering pattern are available in Epilog’s print driver), that will help to provide a smooth finish.
Sometimes, applying a thin, wet sheet of newspaper or even a paper towel to the engraving area will help with heat dissipation and enhance the engraving process. Just make sure there are no wrinkles inside the paper after it is actually applied. Another way to dissipate heat is to apply a thin coat of liquid dish soap for the area you’re engraving – either together with your finger or even a paper towel. Finally, if you can find shards of glass after engraving, polish the area 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 just because it can be cut very easily, but additionally because it engraves adequately. However, different woods have different reactions when they are laser engraved and provide different results. Lighter woods, like cherry or maple, produce a nice contrast where laser burns away the wood, while denser woods require more Cnc Fiber Laser Machine Cutting to reduce or engrave.
Grain density may change dramatically depending on the form 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, in case a large square pmupgg engraved into a piece of cherry, it would have a very uniform appearance; the area engraved would be smooth with little variation in height. However, if the same square was engraved into a piece 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.
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