Gear cutting – milling – or planing – Milling – Including means to infeed rotary cutter toward work
Patent
1996-07-31
1998-06-09
Briggs, William R.
Gear cutting, milling, or planing
Milling
Including means to infeed rotary cutter toward work
408 6, 409134, 409232, 483 10, B23C 900, B23B 4900, B23Q 1100
Patent
active
057624542
ABSTRACT:
A spindle device for detecting the completion of an automatic tool changing procedure comprising a spindle (11) having a tool holder support portion (22) formed at the forward end thereof, a drawing bolt (17) with a through-hole (18) through which an air is blown in the vicinity of a tool holder support portion (22) of the spindle (11) for cleaning in the automatic tool changing procedure, and a pressure detection means (21) disposed in association with the through-hole (18) of the drawing bolt (17), wherein whether or not a tool holder (9) is suitably mounted on the tool holder mounting portion (22) is judged on the basis of an air blow pressure detected by the pressure detection means (21).
REFERENCES:
patent: 4127279 (1978-11-01), Wright
patent: 4504824 (1985-03-01), Mello
patent: 4664571 (1987-05-01), Takada et al.
patent: 4840520 (1989-06-01), Pfalzgraf
patent: 4864714 (1989-09-01), Von Haas et al.
patent: 5002442 (1991-03-01), Rutschle
Briggs William R.
Kananen Ronald P.
Kitamura Machinery Co. Ltd.
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