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Laser Etching: All You Need to Know

Before talking about laser etching, letu2019s about the difference when compared to laser engraving. Etching is faster, but engraving is more durable because reaching the melting point of the material (etching) needs less energy than vaporising it (engraving). Deep engraving needs several laser passes and a lot more time. <br><br>Laser etching is a process that will make marks on the products and the parts by melting the surface that is being worked on. This is part of laser marking that is a broader category, and it includes laser annealing and engraving. It is very versatile and can be used for most m

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Laser Etching: All You Need to Know

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  1. Laser Etching: All You Need to Know Before talking about laser etching, let’s about the difference when compared to laser engraving. Etching is faster, but engraving is more durable because reaching the melting point of the material (etching) needs less energy than vaporising it (engraving). Deep engraving needs several laser passes and a lot more time. Laser etching is a process that will make marks on the products and the parts by melting the surface that is being worked on. This is part of laser marking that is a broader category, and it includes laser annealing and engraving. It is very versatile and can be used for most metals. To have the raised mark, the laser beam will deliver a great amount of energy to a tiny space, and this results in the surface of the material melting and expanding. This can result in the material being coloured grey, white, or black. This is a process that is used to make permanent markings such as logos, barcodes, serial numbers, and data matrix codes usually. Etching is a process that is permanent, and the etched marks will be readable for the life of the part it is etched on with better readability as compared to all the other technologies that work with direct part marking. In fact, etching can also easily withstand treatments that are non- abrasive, like heat treating, power coating, and e-coating. However, there are limits to this and abrasive treatments like sandblasting and shot blasting could end up removing the marks that are laser-etched. Making workpieces with shot blast resistant engraving is necessary to be able to maintain the readability after putting it through abrasive treatments. Etching with a laser is a versatile method and can be done on a variety of metals like zinc, stainless steel, steel, magnesium, anodised aluminium, aluminium, etc. If you’re looking for a place where laser engraving and etching is done, we recommend One to One Engravers in the UK for outstanding and meticulous workmanship. They offer different services so you can get a lot done under one roof by a team of experts.

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