Gear cutting – milling – or planing – Milling – With means to remove chip
Patent
1986-03-28
1987-05-12
Weidenfeld, Gil
Gear cutting, milling, or planing
Milling
With means to remove chip
29DIG95, 269 8, 335288, 408 67, 408 76, B23B 4734
Patent
active
046645721
ABSTRACT:
An improved chip disposer which removes chips or iron chips produced from a machine tool by using magnetic force is disclosed. The chip disposer includes an extension shaft which is detachably mounted to a main shaft of the machine tool, an outer tube which is rotatably fitted to the extension shaft, a mechanism for preventing rotation of the outer tube in respect to a head of the main shaft when the extension shaft is mounted to the main shaft, a mechanism for positioning the extension shaft with regard to the outer shaft in a predetermined rotational angle, a plurality of permanent magnets disposed in a ring in an end of the outer tubes so that the same poles of the adjacent magnets are opposed to each other through attracting rods, respectively, and a plurality of permanent magnets disposed in a ring around the extension shaft so that the S- and N-poles thereof are alternately opposed to inner peripheries of the plurality of attracting rods, whereby a relative position of the permanent magnets in the end of the outer tube and the permanent magnets around the extension shaft is changed in response to normal rotation and reverse rotation of the main shaft to turn on and off attractive force.
REFERENCES:
patent: 2548314 (1951-04-01), Kinney
patent: 2812203 (1957-11-01), Scholten
patent: 2893551 (1959-07-01), Pirwitz
patent: 4419644 (1983-12-01), Baermann
patent: 4427960 (1984-01-01), Wuerfel
Rokkaku Tadashi
Sugitani Kazeushi
Mitsubishi Jukogyo Kabushiki Kaisha
Webb Glenn L.
Weidenfeld Gil
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