Superhard cutter element

Details Superhard cutter element Superhard cutter element

B - Operations, Transporting

23

B

B23B 27/14 (2006.01) B22F 7/06 (2006.01) B23D 61/04 (2006.01) C22C 26/00 (2006.01)

Patent

CA 2761057

A superhard cutter element for machining a workpiece comprising wood, metal, ceramic material or composite material, the superhard cutter comprising a superhard structure (140) having a rake side (110) and a flank side (120), the rake side (110) and the flank side (120) enclosing a wedge angle ?; and a protective layer (170) bonded to the superhard structure (140) at a rake interface (180) on the rake side (110), the protective layer (170) being softer than the material of the superhard structure (140).

L'invention porte sur un élément de dispositif de coupe extra-dur pour l'usinage d'une pièce à travailler comprenant du bois, du métal, une matière céramique ou un matériau composite, le dispositif de coupe extra-dur comprenant une structure extra-dure (140) présentant une face de coupe (110) et une face latérale (120), la face de coupe (110) et la face latérale (120) formant un angle de taillant ? ; et une couche protectrice (170) collée à la structure extra-dure (140) au niveau d'une interface de coupe (180) sur la face de coupe (110), la couche protectrice (170) étant moins dure que le matériau de la structure extra-dure (140).

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