Cutting tool with chisel edge

B - Operations – Transporting – 23 – C

Patent

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Details

B23C 5/20 (2006.01) B23B 27/16 (2006.01) B23C 5/02 (2006.01) B23C 5/22 (2006.01)

Patent

CA 2717339

A twist drill has double margins and a chisel edge angle of between 80 degrees and 100 degrees to maximize hole straightness and to minimize 'walking' of the drill upon a workpiece. The drill may be modular having a removable tip body or the drill may be of a solid configuration. A tip body is consumable and may be removed and replaced as required.

Un foret hélicoïdal comporte deux marges et un angle darête centrale compris entre 80 degrés et 100 degrés afin de maximiser la rectitude du trou et de réduire à un minimum le 'déplacement' du foret sur une pièce. Le foret peut être modulaire et comporter un corps de pointe amovible ou le foret peut être de configuration solide. Un corps dextrémité est consommable et peut être retiré et remplacé si besoin.

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