METHOD OF PRODUCING SANDWICHED COATING FOR CUTTING TOOL Russian patent published in 2015 - IPC C23C14/06 C23C14/24 B23B27/14 

Abstract RU 2548861 C2

FIELD: process engineering.

SUBSTANCE: invention relates to application of wearproof coating on cutting tool and can be used in machining. Vacuum plasma sandwiched coating is applied. First, bottom ply of zirconium nitride is applied. Then, applied is top ply of titanium, aluminium and chromium nitrides at the following ratio of components in wt %: titanium - 70.5-79.5, aluminium - 14.0-20.0, chromium - 6.5-9.5. Coating layers are applied horizontally in one plane by three cathodes. First cathode is made of titanium and aluminium alloy, second cathode is arranged opposite the first one while third cathode is made of chromium and titanium and arranged there between. Bottom ply is applied with the help of second cathode while top ply is applied by first and third cathodes.

EFFECT: higher cutting efficiency.

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RU 2 548 861 C2

Authors

Tabakov Vladimir Petrovich

Chikhranov Aleksej Valer'Evich

Vlasov Stanislav Nikolaevich

Sagitov Damir Il'Darovich

Dates

2015-04-20Published

2013-07-26Filed