Ball nose end mill and a cutting insert for the ball nose end mi

Details Ball nose end mill and a cutting insert for the ball nose end mi Ball nose end mill and a cutting insert for the ball nose end mi

1997-10-07

2000-11-21

Tsai, Henry W. H.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407 35, 407 42, 407 65, 407114, B23P 1528

Patent

active

061493554

ABSTRACT:
A ball nose end mill includes two identical cutting inserts which are clamped into two dissimilar insert seats. Each one of the two insert seats includes a narrower end and a wider end, the narrower end of one insert seat being located at the tip of the end mill, while the narrower end of the other insert seat is located at the end of the insert seat distal to the tip of the end mill. The inserts are correspondingly shaped with a wider end a narrower end, the ends being curved, and with rectilinear longitudinal sides. The inserts may be inclined axially negatively. The ball nose end mill permits two identical inserts to be used, permits large cutting depths to be obtained, and a negative axial inclination permits an impact point that is distanced from the tool tip.

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5-Nouvelles concepttions de plaquettes en fraisage et tournage, par M. Fouquer (SAFETY)--(English--language translation of previously submitted document).

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