Rotary cutting tool

Details Rotary cutting tool Rotary cutting tool

B - Operations, Transporting

23

C

B23C 5/10 (2006.01)

Patent

CA 2630728

A rotary cutting tool or end mill is provided, the tool comprising a plurality of pairs of diametrically-opposed, symmetrical, helical flutes formed in a cutting portion of the tool body, wherein the pitch between at least one pair of adjacent helical flutes is less than or greater than the pitch of at least one other pair of adjacent helical flutes in at least one radial plane along the axial length of the flutes, a plurality of peripheral cutting edges, wherein at least one of the peripheral cutting edges has a radial rake angle different from radial rake angle of a peripheral cutting edge of a different helical flute.

Outil coupant rotatif ou fraise d'extrémité, l'outil comprenant une pluralité de paires de filets hélicoïdaux symétriques diamétralement opposés, formés dans une partie coupante du corps d'outil, le pas entre au moins une paire de filets hélicoïdaux adjacents étant plus petit que ou plus grand que le pas d'au moins une autre paire de filets hélicoïdaux adjacents dans au moins un plan radial le long de la longueur axiale des filets, une pluralité de bords coupants périphériques, au moins un des bords coupants périphériques présentant un angle de bord radial différent de l'angle de bord radial d'un bord coupant périphérique d'un filet hélicoïdal différent.

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