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what is the best surface treatment for laser engraving steel

by May Feil Published 2 years ago Updated 2 years ago
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What is the best laser for engraving on stainless steel?

 · If the burrs generated after laser cutting of stainless steel have a certain hardness, it is very difficult to take time and affect the appearance. It is best to solve it from the root cause. First of all, the purity of the auxiliary gas is high, and it is very important to change the purity of a gas supplier with a better quality.

What metals can you laser engrave?

It is important to always wipe away from the engraved areas, to avoid carrying dust or dirt on the fresh engraving. You can also use an oil (for example, a penetrating oil or eucalyptus oil) for cleaning. This method can highlight darker engravings nicely. Use these sprays sparingly, as the surface can become too oily.

How precise is the laser engraving machine for metal?

Laser engraving is done with a high-heat laser. Engravers will usually dial up their laser’s power to achieve the best results when engraving steel or aluminum. the laser creates high heat to melt the surface of the material, creating a slightly raised pattern.

What is the best alternative to glass engraving?

Laser etching steel is fast & efficient. Lasers can engrave barcode, 2D Codes, text, and logos on curved or flat surfaces. It does wonders for industrial traceability on steel billets, pipes, plate, sheets, T-bar, L and C channels and H beams. Watch a video of laser annealing of a …

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Can you laser engrave steel?

Laser engraving has the ability to work on diverse materials, particularly when it comes to metals. Some of the metal surfaces you are able to work with include: Various grades of steel. Stainless steel.

How can I improve my laser engraving?

4 Ways to Increase Laser Engraving ResolutionStart with a High-Quality Image. There is no amount of settings and capabilities that can compensate for a poor-quality image. ... Set Your Laser's DPI According to the Project. ... Choose Speed and Power Settings to Support Resolution. ... Test Your Engraving to Check Settings.

What do you need to laser engrave metal?

In order to successfully etch metal with a laser, you're going to need a machine equipped with a laser rated for at least 60 W of power. A laser with a power rating less than 60 W will, at best, leave a pale shadow of your art on the metal. The process is fairly simple and will work on a number of different metals.

How do you make laser engraving darker on metal?

0:442:45How To Darken a Metal Stamping - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis is rubbing alcohol just plain ol rubbing alcohol. And probably like either I use a cotton pad.MoreThis is rubbing alcohol just plain ol rubbing alcohol. And probably like either I use a cotton pad. But you could also use a q-tip or a little piece of paper towel or toilet paper will work fine too.

What DPI should I use for laser engraving?

Graphic content Depending on the amount of detail that your graphic file has, we recommend increasing the image resolution to 600 dpi to allow for the very fine details to be optimally engraved.

What is the best dpi for laser engraving?

Images for laser engraving should generally have a resolution of at least 300 dpi as the output size. If necessary, you can increase the resolution in your graphics software by re-establishing the bitmap (Bitmaps > Resample in CorelDraw). For example, internet photos often have a resolution of 72 dpi.

What do you use to engrave on metal?

Get an engraving tool. The best choice for most purposes is a pneumatic graver. This is an affordable tool that fits in the palm of one hand, and uses air to drive the point into the metal. Gravers come with many different shapes of tips, but a square "V" cut point is a good versatile option to start with.

How deep can you laser engrave metal?

When it comes to deep engraving, the depth can easily reach a few millimeters into metals. This is in stark contrast with regular laser engraving, which is typically only a few microns deep. But regular laser engraving can also be deep—up to 500 microns. This is often the case with shotblast resistant laser marking.

What is the difference between laser etching and engraving?

The main difference between laser etching and laser engraving is that etching melts the micro surface to create raised marks, whereas engraving removes material to create deep marks. Both processes use high heat to create permanent markings on metal surfaces. Both processes are heavily used for part traceability.

How can I make my engraving look darker?

The jeweler simply rubs the antiquing formula over the engraving, and lets it fill in the carving. Then they clean off the excess with an industry antiquing remover, and let it sit to cure. Once the antiquing is finished, it creates a dark, black, and clean look within the engraving.

How do you darken metal stamping?

Dissolve a small amount of liver of sulfur in hot water, and apply it over the lettering with a paint brush. Then clean the surface with steel wool or sanding sponge. Neutralize the chemical by dipping the charm into a baking soda bath. The color of the lettering will be dark grey rather than black.

How do I add color to my laser engraving?

3:4531:54ENGRAVING WITH COLOR HOW TO COLOR FILL YOUR ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis and i'm going to leave the top black because we're going to paint that in black and then forMoreThis and i'm going to leave the top black because we're going to paint that in black and then for the play button i'm going to go ahead. And we're going to paint it in red.

How Metal Laser Engraving Works & Its Applications

Metal laser engravers work by projecting highly concentrated laser beams onto metal surfaces. The laser essentially vaporizes the metal surface, leaving a permanent crevice. This requires a lot of energy – a vaporization temperature of 2,327 degrees is needed to engrave aluminum, for example – so laser engravers are powerful tools.

How much does a metal laser engraver cost?

Metal laser engravers are commonly used by hobbyists to personalize objects or create artworks and decorations. If this is what you’re interested in, you can pick up a laser engraver for a few hundred dollars.

Ruoclris Mini Desktop Laser Engraving Machine – Best Mini Laser Engraving Machine for Metal

Kicking off our list is the Ruoclris’ Mini Desktop Laser Engraver, a very small, compact machine that’s ideal for beginners and those looking for an easily portable engraver.

MathRose Upgraded Laser Engraver – Best Cheap Laser Engraver for Metal

The MathRose Upgraded Laser Engraver is an impressive machine that can be used to work on a wide range of materials, including aluminum oxide and lacquered metal. This means you can engrave hard metals like stainless steel by painting the surface black and then wiping it clean after engraving.

Ortur Laser Master 2 Pro – Best Metal Laser Cutter for Safety Features

The latest laser engraving machine for metal from Ortur, the Laser Master 2 Pro is a newly upgraded machine that boasts some fantastic features.

NEJE Engraving Machine – Best Laser Engraving Machine for Metal with Spot Compression

The NEJE engraving machine is a really high quality option for engraving metal and other materials like wood and plastics.

Ten-High Fiber Laser Engraving Machine for Metal – Excellent CNC Metal Laser Cutter for Businesses

This is a very powerful metal laser engraver that’s an excellent choice for professional metal workers.

Do you need a laser engraving machine?

For the most resistant marks, you’ll need a laser engraving machine. But the deeper the engraving depth, the longer the laser engraving process. You’ll need to discuss with a laser expert to adjust the laser engraving process to your needs.

Can you engrave metal?

Sometimes, marking on the surface isn’t enough to engrave metal permanently. If you have harsh industrial applications, you need a deep engraving method. This is necessary to make sure that identifiers located on the metal surface remain readable. Common examples where this method is used are steel dies used in the aluminum extrusion industry. Or, marks that need to withstand post-treatments like shotblasting.

What is the best way to mark steel?

Based on your application requirements, you can mark steel using different laser marking processes such as laser etching, laser engraving, and laser annealing. All these laser processes deliver high-contrast and high-quality marks. Each is fine-tuned to specific needs, such as a high marking speed, or a mark that can withstand surface treatments ...

Can stainless steel be laser annealed?

Different types of metals have different characteristics and, thus, different laser requirements. To remain rust-resistant, stainless steel must be laser annealed. Read our page on laser marking stainless steel to discover the advantages of this laser process.

Can you buy laser marking machines?

You can either buy laser machines or laser systems. Laser machines are fully integrated laser marking solutions, whereas laser systems must be integrated in a greater framework by an integrator.

What is laser marking?

Laser marking is a permanent marking solution for the part identification and traceability of steel workpieces. You can rely on fiber lasers to mark all types of metal alloys, like anodized steel, carbon steel, die steel, and stainless steel. Laser marking can be used to mark data matrix codes, serial numbers, barcodes, ...

Step 1: Engraving Stainless Steel

In the picture you can see the different things I tried to engrave stainless steel.

Step 2: Engraving Stainless Steel

As you can see I used different speed and strength setting to see what works best. The first number is the speed and the second the energy percentage. I have a cheap 60 W Chinese CO 2 laser and as you can see some of the setting worked really well.

Step 3: Engraving Copper

Most of the engraving agents I tired didn't work. Only markSolid 114 gave some nice results. I was even able to polish the results. Sadly the engraving wasn't really scratch resistant.

Step 4: Engraving Aluminium

Once again most of the engraving agents didn't work. Only after using markSolid 114 the engraving was still visible. Sadly the result was not at all scratch resistant and was easily removed with alcohol. Overall you can definitely say that the cheap alternatives aren't working for copper and aluminium. Btw.

Step 5: Engraving a Hip Flask

Lately I have been engraving a lot of hip flasks. Due to them being out of stainless steel, it works really well.

24 Comments

My understanding is that formulations and mechanical designs are patentable. Processes are not. So applying a commercial product as an etching compound wouldn’t be a breech of patent. This is more like Colonel Sander’s secret recipe. A trade secret is not patentable. You can make all the taste alike chicken you’d like.

What material is used for laser engraving?

Stainless steel is another popular choice in the laser engraving process. This material offers the highest level of durability. It is able to hold up to some chemicals, high heat, and wear, however it is significantly heavier.

What is the difference between laser etching and laser engraving?

The main difference between laser etching and laser engraving is that etching is used on a wider range of material thicknesses. Both chemical and laser etching result in durable designs that are easy to read.

What are the drawbacks of engraving?

One potential drawback to engraving methods is that it is a very time-consuming process. Each individual element of the design has to be cut out of the material one tag at a time. For large quantity productions, the choice to engrave would be a nightmare.

What is etching and engraving?

Engraving and Etching are two incredibly versatile options. They provide significant customization possibilities and are suitable for many applications. Industries across the world utilize both engraving and etching. From Aerospace to Transportation, there are uses for every process.

What is engraved tag?

Engraved tags use a specialized fiber laser engraver to directly carve a design or data into the metal material. Some manufacturers accomplish this by utilizing high-power laser engraving machines or other laser technology. In terms of engraving depth, the design is cut deep into the material, resulting in a long-lasting, and highly visible permanent marking.

How long does etching last?

Similar to engraving, etching is a durable and cost-effective tag process. Exposed metal with these etched laser markings typically last around 5-10 years. Compared to screen printmaking techniques, this is much improved. No topical ink on the tag means no wearing and fading.

What is the benefit of laser etching?

One special benefit to this process is the ability to etch and fill. After the laser or chemical etching is finished, a color fill is added to the recess. This is a great way to further customize and add high-contrast designs to your nameplates.

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