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What are the characteristics of laser marking machine

by:Leadtech Coding     2021-11-06

What are the characteristics of laser marking machines?

There are two basic principles recognized:

' 'Heat processing' has a laser beam with a higher energy density (this is a concentrated energy flow) that irradiates the surface of the material to be processed. The surface of the material absorbs the laser energy, causing a thermal excitation process in the irradiated area, which in turn causes the surface of the material (or The temperature of the coating) rises, causing conditions such as metamorphosis, melting, ablation, and evaporation.

'Cold processing' has high-load energy (ultraviolet) photons, which can cut off the chemical bonds in the material (very organic chemical material) or the surrounding medium to destroy the material in a non-thermal process. This kind of cold processing has a unique meaning in laser marking processing. Because it is not thermal ablation, but does not cause the side effect of'thermal damage', and cuts off the chemical bond cold detachment, so it does not cause heating to the inner layer and surrounding area of u200bu200bthe processed surface. Or thermal deformation and other effects. For example, in the electronic device industry, excimer lasers are used to deposit thin films of chemical substances on the muscle bottom material, giving narrow grooves on the semiconductor substrate.

Comparison of different marking methods

Compared with inkjet marking method, the advantages of laser engraving and hand-engraving depend on: a wide range of applications, a variety of materials (metal, glass, porcelain , Plastic, leather, etc.) can be marked with long-term high quality. It has no force on the surface of the workpiece, does not cause mechanical deformation, and does not cause corrosion to the surface of the material.

Commodity application

Manually engrave a variety of non-metallic materials. Used in the manufacturing industries of clothing accessories, pharmaceutical packaging, wine packaging, architectural ceramics, beverages, fabric cutting, rubber products, chassis nameplates, craft products, electronic components, leather, etc.

1. Can be hand-carved metal and a variety of non-metallic materials. It is more suitable to be used in some detailed and high-precision commodity processing.

2. Used in electronic components, integrated circuits (IC), welders and electrical appliances, mobile communications, hardware products, special tools and spare parts, glasses and clocks, accessories, auto parts, plastic buttons, building materials, PVC Manufacturing industries such as pipe fittings and medical machinery.

3. Available materials include: general metals and aluminum alloys (iron, copper, aluminum, magnesium, zinc and other metals), non-ferrous metals and aluminum alloys (gold, silver, titanium), metal oxides ( Various metal oxides are available), unique surface treatment (phosphating, aluminum anodization, electroplating surface layer), ABS material (electric appliance casing, daily necessities), printing ink (transparent keys, packaging and printing crafts), Epoxy resin (encapsulation of electronic components, insulating layer).

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