The domestic laser marking industry has undergone development and has entered a stable development period from a high-speed growth stage, and has been widely used in many fields. In this context, Lugscher (Shanghai) Electronic Technology Co., Ltd. actively explores new directions for business expansion,Focus on the development of new processes in the field of stainless steel marking - stainless steel color marking. Compared to traditional single color labeling, stainless steel color labeling can provide products with richer visual effects and higher added value, and has broad market prospects.Using 304 stainless steel as the marking material, it has good corrosion resistance and mechanical properties, and is widely used in the industrial and handicraft fields. Using the millisecond fiber laser marking machine provided by Lugscher (Shanghai) Electronic Technology Co., Ltd,This device has stable laser output and precise parameter control capabilities, providing a hardware foundation for achieving high-quality color marking. When using a millisecond fiber laser marking machine for stainless steel surface marking, not only should clear pattern markings be achieved,We also need to consider the coloring effect of laser on the surface of stainless steel. By adjusting key parameters such as power, pulse frequency, marking speed, and pulse width of the laser marking machine, explore the color change patterns of stainless steel surfaces under different parameter combinations. During the marking process,Laser energy acts on the surface of stainless steel, causing physical and chemical changes in the surface material, forming oxide layers of different thicknesses. Due to the interference and diffraction of light, these oxide layers exhibit rich colors.For example, lower laser power and faster marking speed may result in a thinner oxide layer, presenting light colors such as pale yellow and light blue; Higher laser power and slower marking speed may generate thicker oxide layers, corresponding to deep blueDark colors such as dark green. Laser power is one of the key factors affecting the coloring effect of stainless steel surface. As the laser power increases, the energy absorbed by the stainless steel surface increases, the thickness of the oxide layer increases, and the color gradually darkens. Within a certain range,There is a positive correlation between power and color depth, but when the power is too high, it may cause excessive oxidation or even ablation of the stainless steel surface, affecting the quality of marking. In addition, parameters such as pulse frequency, marking speed, and pulse width also affect the color effect, and they interact with each other,The final marking color was jointly determined. For example, higher pulse frequencies and narrower pulse widths may produce warm tones, while lower pulse frequencies and wider pulse widths tend to produce cool tones. In addition to laser parameters, image format also has a significant impact on the marking effect.Compared to bitmap, the coloring effect of stainless steel surface is better in vector graphics mode. In vector graphics mode, the laser marking machine can output energy more accurately according to the contours and lines of the graphics, making the formation of the oxide layer more uniform and the color transition more natural,The edge clarity of the pattern is higher. During the marking process of bitmap, due to the discreteness of pixel points, the color distribution may not be uniform enough, resulting in color deviation or blurring in some details. For example, when marking complex patterns,Vector graphics can clearly present every detail of a pattern, with bright and accurate colors; Bitmaps may have uneven colors or jagged edges at corners, curves, and other areas of the pattern. Laser color marking crafts present light yellow, light blue, deep blue, pinkThere are six rich colors, light green and dark green. These colors complement each other to create a unique and beautiful visual effect, fully showcasing the artistic charm of stainless steel color marking. The patterns on the surface of handicrafts are clear and brightly colored, with high ornamental and artistic value.Laser parameters such as laser power, pulse frequency, marking speed, and pulse width have a significant impact on the coloring effect of stainless steel surfaces. By adjusting these parameters reasonably, multiple colors of marking can be achieved; The image format is also an important factor affecting the marking effect,Vector graphics outperform bitmap graphics in terms of color uniformity and pattern clarity; Finally, a laser color marking handicraft with 6 rich colors was successfully produced. Lugscher (Shanghai) Electronic Technology Co., Ltd. is exploring new business areas in the laser marking market,Optimize the marking process, improve marking efficiency and quality, promote the application of stainless steel color marking technology in more fields, and enhance market competitiveness.