Nano Duo Stainless Steel Color Engraving Guide

Nano Duo allows precise color engraving on stainless steel by forming oxide layers or thin-film interference colors. Using the LaserBurn software, users can easily test and determine optimal engraving parameters to achieve the desired colors on stainless steel. This guide covers material preparation, parameter testing, layer-based color engraving, and practical use cases.

Stainless Steel Color Engraving Principle

Color formation by laser:

When stainless steel is heated by a laser, colored oxides or a transparent oxide film form on its surface. Thin-film interference causes various colors to appear. Oxidation products of metallic elements also contribute to the coloration.

Oxide color

Oxidation products of stainless steel elements naturally display color.

Oxide thin film interference

Under suitable laser energy, a colorless transparent oxide film forms on the surface, producing optical interference and resulting in various colors.

Material Preparation

Software: LaserBurn

Machine: Nano Duo

Material: Stainless Steel

File: Color Engraving File

Note: Material testing is required before engraving to obtain optimal parameters.

Use Cases

Medical devices, decorative items, automotive marking, architectural decoration, etc.

How do I use Nano Duo to test parameters for different colors on stainless steel?

This color engraving parameter guide is based on the Longer Nano Duo model machine, using stainless steel as the metal material. Utilizing the "Material Test" function in the LaserBurn software, the preparation of engraving parameter test files is greatly simplified. Users can input relevant parameter ranges in the "Material Test Generator" to automatically generate test files. Key parameters include power, speed, interval, and number of engraving passes; these combinations directly affect the engraved color. By setting appropriate parameter ranges according to the specific dimensions of the material, users can generate corresponding engraving test files.

Operating procedures:

Step 1

Open LaserBurn and ensure the device is successfully connected to the software (click "Device" in the upper right corner—"Connect"—select "Nano Duo"—click "Confirm").

(Connection page)

(Operation page in connection)

(Page after successful connection)

Step 2

Draw a 10×10 mm square on the canvas and set it to Fill mode. Click "Array" in the toolbar and select "Material Test." A parameter matrix interface will appear.

Recommended parameter range for Nano Duo:

Power: 50% to 100%

Speed: 1000 mm/min to 3000 mm/min

Matrix layout: 10×10

Ensure all parameters are correct, then click Confirm to create the test file. Finally, click Device → Engraving → Laser Focus (two points coincide) → Frame → Start Engraving, and wait for completion.

After the engraving test is completed, the system will generate a color matrix (as shown in the figure). Users can select the desired color from the matrix and find the corresponding laser power and speed. The horizontal axis of the matrix represents the power parameter, and the vertical axis represents the speed parameter. Users can easily determine the required engraving settings by matching the coordinate positions.

How to create colorful sculptures

As shown in the image, we import the image and perform a layer split on the vector image:

Step 1

First, select the part of the vector image to be sculpted.

Step 2

Click the bottom right corner to set layer 1.

Step 3

As shown in the image, we set the leaf part as a layer.

Step 4

Next, set the second layer.

Step 5

As shown in the image, select the center part of the letter.

Step 6

Then, set the 3rd layer.

Final Result

Finally, we obtain the complete layered vector of the material, as shown in the figure. Then we match the corresponding parameters for the desired colors. After completion, the engraving will produce the ideal color image.

We eventually received a colored badge.

Conclusion

By properly testing and setting parameters, the Nano Duo can achieve high-quality color engraving on stainless steel. Users can adjust power, speed, interval, and passes to achieve the desired color effects. This method is suitable for decorative items, metal signage, and other precision applications, providing a reliable solution for stainless steel color engraving.