Cutting tool for milling

Details Cutting tool for milling Cutting tool for milling

1998-03-30

1999-04-06

Pitts, Andrea L.

Cutters, for shaping

Comprising tool of specific chemical composition

407118, B23C 520

Patent

active

058908471

ABSTRACT:
A cutting tool for milling comprises an insert consisting of a cubic boron nitride sintered body having heat conductivity of at least 400 W/m.K at 120.degree. C. and a thermal expansion coefficient within the range of at least 3.0.times.10.sup.-6 /K and not more than 4.0.times.10.sup.-6 /K in the temperature range of 20.degree. C. to 600.degree. C. According to this cutting tool for milling, sufficient tool life can be attained in high-speed face milling under a wet condition and high-speed end milling under a wet condition.

REFERENCES:
patent: 3767371 (1973-10-01), Wentorf et al.
patent: 4788166 (1988-11-01), Araki
patent: 5328875 (1994-07-01), Ueda
patent: 5466642 (1995-11-01), Tajima
patent: 5508240 (1996-04-01), Komatsu
patent: 5712030 (1998-01-01), Goto
patent: 5807032 (1998-09-01), Abe

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