Rotary cutting tool and method of manufacturing the same

Details Rotary cutting tool and method of manufacturing the same Rotary cutting tool and method of manufacturing the same

1995-07-05

1998-09-15

Bishop, Steven C.

Cutters, for shaping

Comprising cutting edge bonded to tool shank

761011, 407 54, 407 63, 407119, 2281245, B23C 518

Patent

active

058070320

ABSTRACT:
An insert made of an ultra-high-pressure sintered compact and including no base metal or support layer is brazed to a tool body under vacuum by use of a Ti-containing activated silver brazing filler metal. This method permits the insert to be securely fixed to the tool body without fear of the insert coming off the tool body even if the tool is a helical one. Because no base metal layer is needed, the manufacturing yield, efficiency and productivity are improved.

REFERENCES:
patent: 4983078 (1991-01-01), Unozawa
patent: 5020394 (1991-06-01), Nakamuiza et al.
patent: 5049009 (1991-09-01), Beck et al.
patent: 5115697 (1992-05-01), Rodriguez et al.
patent: 5366522 (1994-11-01), Nakamura et al.
patent: 5464068 (1995-11-01), Najafi-Sani
Mears Handbook Ninth Ed., vol. 6, "Welding Brazing & Soldering", pp. 1061, 1063 (1983).
Patent Abstracts of Japan, vol. 13, No. 194 (M-823)(3542) May 10, 1989.
Patent Abstracts of Japan, vol. 16, No. 416 (M-1304) Sep. 2, 1992.

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