Rotary burr comprising cemented carbide

B - Operations – Transporting – 23 – D

Patent

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Details

B23D 79/02 (2006.01) B23C 5/10 (2006.01) B23D 71/00 (2006.01)

Patent

CA 2705354

A rotary burr (100) comprising cemented carbide for removing material from a workpiece includes a shank and a working portion and a shank. A surface of the working portion includes a plurality of right-handed helically oriented flutes (120) that define a plurality of cutting teeth (110) on the working portion. Each of the plurality of cutting teeth defined by the right-handed flutes includes a front face (116), a back face (118), a tip (114), and a positive front face angle, and lacks a radial land adjacent the tooth tip and at the periphery of the working portion.

L'invention concerne une fraise rotative (100) comportant du carbure cémenté pour éliminer le matériau d'une pièce de travail qui comprend une tige, et une partie de travail et une tige. Une surface de la partie de travail comprend une pluralité de goujures droites hélicoïdalement orientées (120) qui définissent une pluralité de dents de coupe (110) sur la partie de travail. Chacune de la pluralité de dents de coupe définie par les goujures droites comprend une face avant (116), une face arrière (118), une extrémité (114) et un angle de face avant positif, et manque de méplat radiant adjacent à l'extrémité de dent et à la périphérie de la partie de travail.

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