Laser Etching Painted Metal

The laser engraving machine is widely used for marking and labeling on painted metal products.

Laser etching painted metal.

Another thing i want to try is covering the steel with paint or spray plastic and burning it off with the engraver then etching with vinegar and an adjustable power supply. After that just removing the plastic laquer with paint thinner. Engraving fabric but the laser burns through the material. Co2 metal marking this quick dry easy to use permanent metal laser ink provides the highest contrast ink in the industry.

Laser etching stands out when it comes to creating high contrast markings. Needing a prototype done for a shaft encoder steveastrouk asked me to experiment with removal of paint on stainless steel using our laser cutter. The first step in avoiding burning fabric with a laser engraving cutting machine is to understand which fabrics can withstand the process and at what temperatures. The most common etchings and engravings are data matrix codes barcodes logos serial.

Whereas laser engraving only creates black marks laser etching can be used to create both black and white marks. Compatible with stainless steel titanium chromium nickel aluminum steel copper brass and the majority of crude metals. Thermark and cermark a selection of top end products that are known to the market to achieve black marking. The only exception is stainless steel which requires laser annealing.

If successful the void in the paint could then be used to electrochemically etch the holes in the sha. Laser marking paints and paint thinners oxidizers. Heartier fabrics such as denim canvas and leather can withstand higher power settings during engraving. The advantage of metal marking with a co2 laser is that the mark is actually produced on top of the metal without removing material so there is no impact on the metal s tolerance or strength.

Using a fiber laser system permanent markings can be etched and engraved onto most metals. For this reason laser engraving is usually used in combination with laser etching to create high contrast engravings. Although primarily sold as an aerosol co2 is also available as a liquid or powder. Should give a nice deep etch where the laser removed the masking.

It should also be noted that coated metals such as anodized aluminum or painted brass do not require pre treatment.