Laser hardening is a technique for treating surfaces with no couplant or consumable, in a few milliseconds and on a selective basis.
Laser hardening is a selective surface hardening technique that does not require an external couplant (fluid).
The surface treatment time is short compared to other more conventional processes. These operations last only a few milliseconds or a few seconds, and offer the possibility to obtain very fine and hard structures.
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The laser hardening heat treatment process is an innovative technique. Its advantages of this process are many.
Hardening is achieved without contact, directly on the external surface of finished parts, and can be applied easily to areas that are difficult to access, providing they can be reached by the laser beam.
Surface hardness can be adjusted accurately and the technique makes it possible to rapidly achieve significant increases in hardness. As a result, laser hardening is very often used to treat the surfaces of parts that are subject to high stress in order to improve their resistance to friction.
The power level may range from a few dozen watts to several kW.
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