Cutting by use of rotating axially moving tool – With means to apply transient – fluent medium to work or product
Patent
1993-12-01
1994-10-18
Howell, Daniel W.
Cutting by use of rotating axially moving tool
With means to apply transient, fluent medium to work or product
408 61, 408 67, B23B 4734
Patent
active
053562453
ABSTRACT:
A cooling and dust collecting apparatus for drilling machine tool is disclosed, which comprises a telescopically expandable/shrinkable cylinder having a base cylinder and a movable cylinder, the base cylinder being disposed on the drilling machine in such a manner that the base cylinder surrounds the drilling machine, the movable cylinder being slidably connected to the base cylinder, the movable cylinder surrounding a cutting tool, a blowing pipe connected to an outlet opening portion defined on the movable cylinder, the blowing pipe being adapted for blowing the cutter with cold air, and a sucking pipe connected to an inlet opening portion defined on the movable cylinder, the sucking pipe being adapted for sucking cutting chips and poisonous gas, wherein the movable cylinder has a joint portion, a forward end portion, and an intermediate portion, the joint portion being connected to the base cylinder, the forward end portion surrounding the drill of the drilling machine, the intermediate portion being disposed between the joint portion and the forward end portion, and wherein the forward end portion of the movable cylinder surrounds the tool with a predetermined gap, spiral grooves being defined on an inner wall of the forward end portion, the outlet opening portion being defined at the forward end portion, the inlet opening portion being defined at the intermediate portion of the movable cylinder, the blowing pipe being adapted for supplying dehumidified, cold, and compressed air.
REFERENCES:
patent: 4037982 (1977-07-01), Clement
patent: 4209069 (1980-06-01), Smith
patent: 4563115 (1986-01-01), Abe et al.
patent: 5033917 (1991-07-01), McGlasson et al.
patent: 5087156 (1992-02-01), Kanaya et al.
Hosoi Masanori
Watanabe Fumio
Fuji Jukogyo Kabushiki Kaisha
Howell Daniel W.
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