‘Annealing’ on stainless steel bearing

12/11/2017

Metal parts, such as bearings, also need to be marked for identification with their product reference, brand or lot number for later traceability. Metal requires a marking and coding that does not damage the surface and with a high marking contrast in order to read the data properly.

For this purpose, and in general for the marking of metallic materials such as stainless steel, we use a fibre laser such as the SPA F-9020, which by means of annealing – or changing the metal’s colour by increasing its temperature – we can obtain a permanent black marking of great legibility and without damaging the surface.

With this technique, we can mark the material while leaving the surface smooth and rust-free. Nonetheless, to optimise visibility of the marking it is always recommended to use a filled-in typeface.

Technical Information

• Laser: SPA F-9020
• Lens: 100×100
• Market: Engineering / Automotive
• Application type: Marking
• Product: Bearing
• Material: Metals (Stainless Steel)
• Line speed: Static
• Marking time: 5 seconds