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Views: 0 Author: Site Editor Publish Time: 2023-09-04 Origin: Site
Fiber laser marking machines have work extremely well on a wide range of materials provided they are hard, brittle, and dark.
This means that most metals, as well as some non-metallic materials such as some plastics, can be hit by the fiber laser to produce high contrast marks.
For some materials such as plastics, Both CO2 laser marking machine and fiber laser marking machine can be used.
However, the effect is always different, and the price of the different systems can also be a consideration.
The following a list of materials that can be marked using fiber laser;
Metal engraving is performed in different industries of this technique with a metal engraver. This includes those in the jewelry industry use to add aesthetic appeal to the item being marked. The following are a few types of metal that can be marked using Fiber Laser;
Steel– Steel is one of the most widely used metals in the word hence one of the most commonly marked metals. Fiber Laser provides ideal marking technology used for steel because of its combined speed, flexibility and reliability factors. Marking is added into steel parts for serial numbers, internal coding etc.
Aluminum– Fiber Laser is used in marking and engraving Aluminum as it produced highly-contrasted legible markings. It produces these marking in aluminum within a short time.
Copper– Copper is a tougher metal to mark because of its highly reflective nature. This means that it often reflects whatever is being directed at it. Fiber Laser technology is a perfect solution to this due to its mechanism to overcome it. It must however be operating at a high peak power to achieve the desired results.
Other metals that have also been used in various industries include iron, aluminum, gold, platinum and silver.
One popular non-metal material that is popularly used on this marking technology is plastic.
Used in all industries from automotive, food and aerospace to consumer electronics or medical industry, plastics need smooth, clear markings for identification, tracing and other diverse reasons.
These markings may be on the finished product, barcodes or traceability labels. One good example of marked plastics are those used in the food industry to add best before labels.
From the production of technical plastics to the finished product, Fiber Lasers mark plastic can only work on common plastics like PVC, PE, ABS etc.
This material is usually easy to mark with Fiber Laser marking machines as the result is always a black color.
Anodized aluminum can be marked quickly and well with a laser. The anodized layer is extracted to produce a white marking.
These white marking in natural anodized aluminum are however not clearly visible. Black markings are therefore of significantly higher quality.
In this case, a MOPA laser is used in natural anodized aluminum to very nicely laser mark different tones of grey up to a rich black.
A MOPA (Master Oscillator Power Amplifier) laser is one that consists of a master laser, also referred to as seed laser, and a laser amplifier, put together to boost the output power.
An application of this process is marking high end smartphones, tablets and laptops, among others.The most famous application is Iphone,Ipad case black marking.
Metals such as stainless steel, titanium, chrome plate and transition metals are known to be good materials for color marking. But not all metals can be color marked, the marking color depends on material.
Factors such as material grade, material thickness and surface finishes can have an impact on the marking process.
Polished surfaces are more consistent in terms of color whereas brushed surfaces are more difficult to color-mark.
The MOPA laser is more suitable mark colors but it can only can control colors on stainless steel and not any other material.
Fiber Lasers can be used to make black anneal marks on metals such as stainless steel.
An anneal mark is created by intensifying the oxide layer on the surface. This oxide layer is created on ferrous metals, such as iron, steel and high-grade steel, and titanium through localized heating.
Generally, the oxide layer is black.
