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Can 355nm Nanosecond Solid State Lasers mark metal? How to choose a laser marking machine model?

Jun 24 , 2022

Can 355nm Nanosecond Solid State Lasers mark metal? How to choose a laser marking machine model?


Can UV marking machine mark metal?

Ultraviolet laser marking machine combines the characteristics of ultraviolet light, and is mostly used for non-metallic products;


Because the ultraviolet laser has a very small focus spot, and the processing has almost no thermal influence, it is called cold processing, so it is suitable for ultra-fine marking and engraving of special materials.


Application scenarios of UV laser marking machine:

Mainly used in the high-end market of ultra-fine processing, surface marking of packaging bottles of cosmetics, medicines, food and other polymer materials; flexible PCB board marking and scribing; silicon wafer micro-hole and blind-hole processing; LCD liquid crystal glass Two-dimensional code marking, glassware marking, metal surface coating removal, plastic buttons, electronic components, communication equipment, etc.

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UV laser marking test effect:

1. The UV laser marking machine can mark on wood, and the effect is no less than that of the CO2 laser marking machine, and the marking edge is smooth and free of burrs


2. It can be marked on metal, but the adjustable range of the effect is small, and the effect is not as good as that of fiber laser marking machine, and it is a bit wasteful to use UV to mark metal.


3. Ultraviolet lasers are mostly used for heat-sensitive materials


4. The UV laser marking machine for marking on the glass has more advantages


How to choose the right laser marking machine?

1. Different laser marking machines need to be used for different materials, such as wood, cloth, acrylic, paper, plastic, leather, PVC and other non-metallic materials generally use CO2 laser marking machines;


2. Metal materials such as aluminum, copper, gold, silver, alumina, stainless steel, galvanized, and zinc alloys are generally used in fiber laser marking machines.


3. Ultraviolet laser marking machine, it can mark materials such as PVC, rubber, plastic, aluminum, copper, gold and silver.

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