Cutters – for shaping – Including tool having plural alternatively usable cutting edges
Patent
1996-03-07
1998-09-15
Rachuba, Maurina T.
Cutters, for shaping
Including tool having plural alternatively usable cutting edges
407114, 407115, 407116, B23P 1528
Patent
active
058070311
ABSTRACT:
The invention is designed to improve a cutting performance and a spiral chip discharging ability. Main cutting edges 16 and auxiliary cutting edges 18 are formed along the respective sides of an upper surface 14 of a negative throw-away tip 12 and along side of bevelled corners, respectively. A rake face 22 of each main cutting edge 16 is gradually inclined toward a lower surface of the tip 12 by an angle of inclination .beta. along the extension of the main cutting edge 16 away from its adjacent auxiliary cutting edge 18 and by a rake angle .alpha. (>.beta.) along a direction perpendicular to the main cutting edge 16. The tip 12 is mounted on a cutter 9 as a rotatable cutting tool so as to discharge spiral chips during cutting. To this end, the tip 12 is mounted such that an axial rake angle, a corner angle, an angle of inclination, and a true rake angle are set in a range of -4.degree. to -10.degree., a range of 25.degree. to 60.degree., a range of 0.degree. or larger, and a range of -20.degree. to -5.degree., respectively.
REFERENCES:
patent: Re32636 (1988-04-01), Stashko
patent: 3947937 (1976-04-01), Hertel
patent: 4189265 (1980-02-01), Arnold et al.
patent: 4247232 (1981-01-01), McCreery et al.
patent: 4273480 (1981-06-01), Shirai et al.
patent: 4288179 (1981-09-01), Kruger et al.
patent: 4318645 (1982-03-01), McCreery
patent: 4915548 (1990-04-01), Fouquer et al.
patent: 4941780 (1990-07-01), Takahashi
patent: 5193947 (1993-03-01), Bernadic et al.
patent: 5203649 (1993-04-01), Katbi et al.
patent: 5207538 (1993-05-01), Satran
patent: 5207748 (1993-05-01), Katbi et al.
patent: 5230591 (1993-07-01), Katbi et al.
Arai Tatsuo
Kimura Yoshihiko
Saito Takayoshi
Budzyn Ludomir A.
Casella Anthony J.
Hespos Gerald E.
Mitsubishi Materials Corp.
Rachuba Maurina T.
LandOfFree
Throw-away tip and throw-away type cutter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Throw-away tip and throw-away type cutter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Throw-away tip and throw-away type cutter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-80980