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Laser marking of metal surfaces (names of useful pastas)

The Endurance 20 Watt (20000 mW) 445 nm double-beam laser add-on (attachment) for a 3D printer,  a CNC machine and an XY plotter

Everything you need to know about laser marking (etching) using an Endurance 20 watt (20000 mW) 445 nm double-beam laser attachment.

First of all I want announce that engraving on metals is possible with a 20 watt continous visible 445 nm laser attachment.
The second positive thing is that the process is quite simple.

Just cover the surface with engraving pasta and you are all set. Engrave and enjoy!

Now with a 20 watt laser you may mark on any metalic surfaces: stainless steel, aluminum, brass and copper.
For laser etching we use special engraving pasta (analog of Cermark LMM-6000).

Average parameters for laser marking

MaterialAmount of repeatsSpeed in g-codeSpecial conditions
Stainless steel35
Aluminum55polished and sanded
Brass310polished
Copper310polished

Was made using a 20 watt double beam laser

Learn more about a 20 watt double beam laser.

 

Recommended pastas and chemicals for laser etching (marking)

Cermark LMM-6000

Pure alcohol

Graphite

PVA glue

Aluminox Solutions,

LMM-6018

Litoscript metal black

Grout white for marble

 

We plan to make more experiments with different chemicals, such as: Lube with Molybdenum-disulfide (MoS2) and others.

 

Comments are welcome!

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