Gear cutting – milling – or planing – Milling – With means to protect operative or machine
Patent
1998-12-29
1999-10-26
Howell, Daniel W.
Gear cutting, milling, or planing
Milling
With means to protect operative or machine
408241G, B23Q 1108
Patent
active
059716797
ABSTRACT:
A splash guard device is utilized in a machine tool to prevent chips and coolant from flying to the outside of a cutting compartment, while permitting smooth pallet changing operation. The splash guard device includes a splash guard door capable of up/down movement and swivellable about a vertical swivel axis in the course of pallet changing operation and an elevationally movable top sealing member having a lowered position in which it remains in contact with the top edge of the splash guard door and a raised position in which it is spaced apart from the top edge of the splash guard door. Responsive to the upward movement of the splash guard door, a linkage mechanism is adapted to cause the top sealing member to move from the lowered position into the raised position. A pair of fixed side splash guard walls extend in a spaced-apart parallel relationship with respect to the corresponding side edge of the splash guard door. Mounted on the respective one of the side splash guard walls are a pair of side sealing rods which are laterally displaceable toward and away from the splash guard door between an extended sealing position and a retracted non-sealing position.
REFERENCES:
patent: 4863319 (1989-09-01), Winkler et al.
patent: 5342156 (1994-08-01), Baba
patent: 5364210 (1994-11-01), Rutschle et al.
patent: 5531004 (1996-07-01), Ahn
patent: 5658105 (1997-08-01), Takahashi
Daewoo Heavy Industries Ltd.
Howell Daniel W.
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