Hyperlox is a new generation magnetron sputtering TiAlN coating produced by Cemecon technology. It has been developed with extremely low internal stresses, maintaining high values of hardness and oxidation resistance. Hyperlox works for HSS hobs operating in wet (oil) conditions but can be used also in dry conditions on material with hardness over 50 to 70 HRC. Hyperlox offers a more stable performance vs. standard CrAlN coatings in medium speed and wet cutting conditions. Furthermore the de-coating operations of this layer do not cause the productions of chromium (CrVI) in the stripping baths. For its low tensional stress, together with specific preparation of cutting edges, Hyperlox allows extremely high chip thickness in hobbing (tests have been run up to 0.48 mm) with a very stable and limited flank wear. With these properties it is possible to offer stable and reliable conditions of production.
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