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Title:
DEVICE AND METHOD FOR COOL AIR COOLING TYPE MACHINING
Document Type and Number:
WIPO Patent Application WO1999033609
Kind Code:
B1
Abstract:
A machining device using a cool air cooling which can reduce effects by heat on a work and a machining tool and improve a machining precision. Specifically, a method of grinding a work (W) with a cooling air supplied to the work (W), a grindstone (42), a portion to be ground (P) of the work and a portion other than the portion (P) of the work, wherein the surface temperature of the work (W) is detected by a temperature detector (90): when the surface temperature reaches an upper threshold value, a second cooling air supply device (52) is controlled to gradually increase the flow rate of air supplied from a work cooling pipe (80); when the surface temperature reaches a lower threshold value, an air flow rate is gradually decreased; thereby making it possible to maintain the surface temperature of the work (W) at temperatures between the upper and lower threshold temperatures, restrict temperature rises of the work (W) surface and the machining tool and improve the machining precision of the work.

Inventors:
MUKAI RYOHEI (JP)
KATSUTA MAMORU (JP)
YOSHIMI TAKAYUKI (JP)
NISHI KOJI (JP)
ONO NAOTO (JP)
MIZUTANI YOSHIHIRO (JP)
KOBAYASHI YASUNORI (JP)
KUMAZAWA TADASHI (JP)
SATO MASAAKI (JP)
KUBO YUJI (JP)
Application Number:
PCT/JP1998/005796
Publication Date:
August 26, 1999
Filing Date:
December 22, 1998
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
MUKAI RYOHEI (JP)
KATSUTA MAMORU (JP)
YOSHIMI TAKAYUKI (JP)
NISHI KOJI (JP)
ONO NAOTO (JP)
MIZUTANI YOSHIHIRO (JP)
KOBAYASHI YASUNORI (JP)
KUMAZAWA TADASHI (JP)
SATO MASAAKI (JP)
KUBO YUJI (JP)
International Classes:
B23Q15/12; B23Q11/10; B23Q17/00; B24B5/04; B24B49/14; B24B55/02; (IPC1-7): B23Q11/10; B23Q15/02; B24B55/02
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