Tool insert

B - Operations – Transporting – 23 – P

Patent

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Details

B23P 15/28 (2006.01) B23B 27/14 (2006.01) B23C 5/20 (2006.01)

Patent

CA 2476780

A method of producing a tool insert is disclosed. A body (50) of a superabrasive material having major surfaces on each of opposite sides thereof is provided. It is typically an abrasive compact disc such as a PCBN or a PCD disc, for example. An array of spaced cores (58) filled with hard metal, such as cemented carbide, for example, extends from one major surface to the opposite major surface. The body is severed from one major surface to the opposite major surface along intersecting, transverse lines (68) around the respective hard metal cores to produce the tool insert. The body may include an interlayer (56) of hard metal intermediate the opposite major surfaces, preferably the same hard metal as the cores, such that the cores are integrally formed with the interlayer.

Procédé de production de pièce rapportée d'outil. Un corps (50) fait d'un matériau superabrasif et qui présente des surfaces principales constituant les faces opposées du corps, généralement un disque compact abrasif tel qu'un disque PCBN ou PCD, par exemple, est prévu. Un groupement de noyaux (58) espacés, remplis d'un métal dur tel que du carbure cémenté, par exemple, s'étend depuis une surface principale vers la surface principale opposée. Le corps est divisé, d'une surface principale vers la surface principale opposée, le long de lignes transversales (68) qui se coupent autour de noyaux métalliques respectifs en métal dur, afin de produire la pièce rapportée d'outil. Le corps peut comprendre une couche intermédiaire (56) de métal dur, qui se situe entre les surfaces principales opposées et est de préférence faite du même métal dur que les noyaux ; lesdits noyaux sont formés d'une seule pièce avec la couche intermédiaire.

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