Device for feeding work to machine tool

Details Device for feeding work to machine tool Device for feeding work to machine tool

1985-04-05

1987-02-03

Whitehead, Harold D.

Stone working

Sawing

Reciprocating

125 21, 511659, B28D 106

Patent

active

046402594

ABSTRACT:
Device for feeding work (U) to machine tool comprising a work table and an air float (14) in a water vessel (15) and connected with said table by a rod (12) so that said work is pushed up against the tool (WL) as working proceeds. In one embodiment, a manometer (19) for detecting air pressure in said buoy is so arranged that when detected air pressure is deviated from preset value, a signal generated therefrom may control pump-valve means (23, 24) for supplying water into said vessel (15). In another embodiment, a second rod (33) arranged to be in parallel to said first rod (12) to be vertically moved upward in a preset rate and a load cell (39) arranged between said two rods in such a way that when electrical resistance thereof is deviated from a preset value, a signal generated therefrom may control air pressure in said air float (14).

REFERENCES:
patent: 1927750 (1933-09-01), Mennesson
patent: 1950030 (1934-03-01), Hawes
patent: 3435815 (1969-04-01), Forcier
patent: 3525324 (1970-08-01), Bonnefoy

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