Industrial Marking Methods

Industrial marking methods

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Nowadays, there are different methods of industrial marking. The marking has become an essential element of the chain of traceability that is practically present in all sectors of activity for regulatory requirements, obviously for reasons of security to avoid counterfeiting of products and also to know their composition.

It is a very rich field in terms of applications and techniques used to mark supports, materials, or products. They are generally used to show (lot number – a bar code, a QR Code… etc.) on different materials. However, the choice of the process depends essentially and always on the support used. In addition, it is necessary to know the types of marking the most known in the world of industry:

laser marking

This technique is often used to make the material more aesthetic by adding symbols, logos, slogans, images, etc.

The laser marking adapts to all materials, even the most complicated ones, through reflective mirrors connected and controlled by a PC that allows focusing the laser beam on the exact area of the object to show the desired customization. All this is achieved through a computerized and pre-programmed process

This marking is not only fast but also very accurate in detail

Dot peen marking method:

The dot peen marking is a technique intended for supports having curves or irregular surfaces by using punches to dig then deform the material. The marking is more pronounced because Dot Peen Technology is not limited by the quantity, it handles character after character.

There are two types of machines:

Pneumatic: More powerful machines for marking on hard metals

Electric: there are also portable machines for lighter parts

Inkjet marking method:

This marking also called surface marking is generally used in the food industry to mark in particularly the packaging of products. On the production line, the printing heads whose number is managed according to the surface will project small amounts of ink to create the desired characters. This marking can be done on all surfaces, except that it is not durable in time. This type of marking is done by specific industrial printers.

Electrochemical marking method:

Also called electrolytic marking, electrochemical marking is often used on ferrous materials, even the hardest ones, to obtain an unalterable marking.

It is a set of processes composed of a current generator as well as electrochemical accessories such as electrolytes, an electrode holder, stencil creator… They come together to provoke a chemical reaction between the metal used and the electrolyte with the help of a low voltage electric current.

Scribe marking  :

It is a silent marking type that is done directly on the material, from which the scribe machine uses a carbide tip that slides in to draw a continuous line to obtain a permanent marking for extreme durability.

This technique of scribe marking is generally used in the field of the automobile in particular (on sheet metal, on a muffler, on a chassis… etc.)

Industrial marking by hot or cold stamping:

It is a type of marking that has evolved over time. It is applied by bringing the surface to be treated together with a heated block on which there is another engraved block also called a hot stamp, to obtain a burn mark. In addition, it is possible to make colored hot stamping by using a transfer film between the stamping head and the part.

This marking is intended for thermoplastic materials.

Indeed, industrial marking methods can also be used for advertising objects so that they are signed with your own brand!

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