Steel Laser Etching Machine
steel laser etching machine
Products Description
This is an industrial device that uses a high-energy laser beam to permanently mark the surface of steel. It forms high-contrast, high-precision patterns, text, or serial numbers by changing the microstructure of the steel surface, generating oxides, or slightly removing material.Steel laser etching machines (particularly fiber laser marking machines) are indispensable marking tools in modern manufacturing. With their permanent, efficient, flexible, and environmentally friendly properties, they perfectly replace traditional inkjet, mechanical stamping, and chemical etching processes. They are key equipment for product traceability, brand enhancement, and automated production.
Surface Melting and Reconstruction: The high energy of the laser beam instantly melts an extremely thin layer (typically a few to tens of microns) on the steel surface. After rapid cooling, the surface roughness and crystal structure of the melt change, resulting in a smooth or matte mark that differs from the base material.
(Annealing) Marking: Primarily used for austenitic stainless steel. The laser's heat chemically transforms the chromium oxide layer beneath the surface, creating an extremely thin, colored oxide film. This film interferes with light, revealing a different color (typically black, gold, or brown) while maintaining virtually no surface relief.** This is a very popular high-end marking method.
Light Ablation: Using low energy, the surface material is slightly vaporized, creating shallow, tactile indentations.
Dark annealing marks
Most commonly used on stainless steel. By precisely controlling laser heat, an oxide film is created without damaging the surface, resulting in a smooth mark in black, dark brown, or golden yellow. This method is widely used on medical devices and food industry parts because it maintains surface smoothness and antibacterial properties.
Black engraving
Using higher energy, the surface is slightly carbonized or a rough oxide layer is created, resulting in a sharp black mark. Suitable for carbon steel, tool steel, and other applications.
Light/bright marking
Using lower energy, the surface coating (such as paint or oxide) is removed or the surface is lightly polished, revealing the underlying metal color, creating a light-colored mark.
Etched etching
Using higher energy or multiple passes, the material is slightly removed, creating a tiny, tactile indentation. This type of mark is very durable.
Products Specifications
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Technical Parameters |
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|
Item / Model |
HJZ -DB-01/04 |
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Laser source |
MAX |
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Laser power |
20W/30W/50W/100W |
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Graphic Format Supported |
PLT,BMP,JPG,PNG,TIP,PCX,TGA,ICO,DXF |
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Marking speed |
≤9000mm/S |
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Max.Marking Depth |
≤1mm |
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Laser Wavelength |
1064nm |
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Marking lines |
1-10 marking lines(in the marking area) |
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Minimum line width |
0.01mm |
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Minimum character |
0.15mm |
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Resolution ratio |
0.01mm |
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Graphic format supported |
BMP, PLT, DST, DXF, AI |
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Software supported |
TAJIMA, CorelDraw, Photoshop, AutoCAD |
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Net Weight: |
38KG |
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Package Weight |
45KG |
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Unit Power |
≤500W |
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Optional Spare Parts |
Rotary/Protection glasses/outside red light/night light and so on. |
Applications:
Automotive parts: Engine number, VIN, and part traceability code.
Medical devices: Unique device identification (UDI) for surgical instruments and implants, and brand marking for stainless steel instruments.
Tools and molds: Brand, model, and specification marking.
Aerospace: Traceability and authentication of high-demand parts.
Electronic and electrical appliances: Logos, model numbers, and specifications on stainless steel casings.
Hardware: Specification and material marking for pipes, valves, and flanges.
Advantages
Permanence and High Durability: The mark is an integral part of the material, resistant to wear, heat, and corrosion, and can withstand harsh environments, meeting industrial traceability requirements.
Non-contact processing: No tool wear, no mechanical stress, and no deformation of precision parts.
Ultra-High Precision: Capable of engraving extremely fine text (e.g., font size 0.2mm), complex logos, and high-resolution QR/Data Matrix codes, with exceptionally high scanning recognition rates.
Extreme Speed: Marking a code or serial number typically takes only seconds, making it ideal for integration into production lines.
Energy-Friendly: No consumables such as inks or chemical etchants are required, resulting in low operating costs and environmentally friendly performance.
High Flexibility: Marking content can be modified instantly via software, enabling customization and serialization.
Related Products
By extremely precisely controlling the laser's energy density (power, speed, frequency, pulse width) and scanning strategy (such as scanning direction and overlap rate), the thickness of the oxide film can be controlled. Oxide films of different thicknesses reflect different colors through the light interference effect.
This advanced application mode allows the marking machine to be triggered by a sensor (typically a photoelectric sensor) as the workpiece moves continuously on a conveyor. Based on the real-time position signal from the encoder, the system dynamically controls the galvanometer to move the laser beam, precisely marking the moving workpiece.
Advantages: This significantly improves production efficiency and enables fully integrated production lines. This is a core function of automated production line integration.
Company information
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