COATING FOR METAL CUTTING TOOLS AND CUTTING TOOLS WITH THIS COATING

摘要

The present invention relates to a coating for metal cutting tools, of the type comprising titanium nitride. According to the invention, the coating contains more than 10 to 30 percent by weight CHROME, EITHER, TOTALLY TAKEN AND REGULARLY DISTRIBUTED IN THE VOLUME OF THE COATING, 3 TO 18 BY WEIGHT OF ALUMINUM NITRIDE, 2 TO 8 BY WEIGHT OF MOLYDBENE NITRIDE, 2 TO 10 BY WEIGHT OF CHROMIUM NITRIDE AND 0,5 A 10 WEIGHT SILICON NITRIDE. / P P THE INVENTION APPLIES NOTABLY TO THE MACHINING OF METALS. / P