Photo engraving on stainless steel with a Wattsan laser marking machine

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Laser engraving is a highly accurate and creative way to personalize various materials, and stainless steel is one of the most durable and versatile surfaces for such work. Among the many possibilities provided by a fiber laser marker, photo engraving stands out as a particularly artistic and technically advanced process. In this article, we will tell you about the entire process of engraving a photographic image on stainless steel using the Wattsan laser marking machine. From preparing photos to setting up settings and getting the final results, this step-by-step overview is designed for both professionals and beginners.

Step 1: preparing the image

Before you start engraving, you need to prepare the image so that it looks beautiful when you’re done. First, resize the image to match what you want to do. It is important that the picture has a lot of details, so make the image black and white and highlight the shades of light and shadow. This will help you to get a better look at the engraving. Also, make sure that the image is clear enough, with a resolution of at least 150 dpi. Finally, save the image to a file that your computer can read, for example, in BMP or JPG format.

Step 2: importing and configuring in EzCad2

Open the image in EzCad2, the control software used in Wattsan laser marking machines. If necessary, resize the photo so that it exactly matches the dimensions of your stainless steel blank. Use the alignment tools to precisely center the image in the engraving area. Precise placement is especially important when working with symmetrical structures or fixed dimensions of the workpiece.

Step 3: setting the laser parameters

Laser settings are key to obtaining high-quality photo engraving. Although the values may vary depending on the machine and the material, this manual uses a 20W Wattsan fiber laser marker.

Start by setting the minimum power level for the lightest areas of the image and the maximum power for the darkest areas. The key point in photo engraving is to create contrast using a variable intensity of laser radiation. This can be done by configuring settings such as:

• Percentage of power
• Marking speed (mm/s)
• Frequency (kHz)
• Line spacing (hatching)
• Number of passes

It is often useful to experiment with trimming the same material to find the right balance before applying the engraving to the finished product. To engrave photos, it may also be useful to use the grayscale marking mode and adjust the Q pulse duration if your marker supports this feature.

Step 4: starting the engraving process

After placing the image and adjusting the settings, you can start engraving. Carefully monitor the process during the first run to make sure that the material reacts correctly to the laser. If the result is too dark or shallow, gradually adjust the speed, frequency, or power until the shades are well balanced.

Laser engraving on stainless steel usually does not require additional coatings, but the results may vary depending on the surface finish (e.g. matt, matt polished). High-quality results often show subtle tonal transitions that give the photo a rich, professional look.

Step 5: finishing and evaluation

After engraving is complete, gently wipe the surface with a soft cloth or a special cleaning cloth to remove dust and paint residue. Be careful not to use coarse cleaning cloths, as they can scratch and ruin your design. The final image should look clear and detailed, and various dark and light areas should be clearly visible, even if the shades change slowly.

Conclusion

Stainless steel photo engraving using a Wattsan fiber laser marker is a powerful method for obtaining long-lasting and visually impressive results. By carefully preparing the image, adjusting the settings and using the correct engraving parameters, you can create personalized drawings, portraits, industrial labels or memorabilia with high detail and long service life. Whether you are a marking professional or an amateur looking to expand your skills, Wattsan laser machines have the flexibility and precision needed to achieve amazing results on stainless steel and beyond.

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