Turning – Lathe – With work feeder or remover
Patent
1988-03-21
1989-10-24
Schmidt, Frederick R.
Turning
Lathe
With work feeder or remover
82125, 82126, 82127, B23B 1300
Patent
active
048753963
ABSTRACT:
A plurality of bar stock retaining sleeves control the bar stock fed therethrough to a machine center to prevent excessive vibration and end-whipping during a cutting and machining operation. A first retaining sleeve is positioned within the feed orifice of the machine center, and includes a master bushing having an inner diameter substantially equal to the outer diameter of the bar stock being cut, which master bushing is positioned adjacent the orifice outlet at the the cutting head. A second retaining sleeve is supporting exteriorly of the machine center in abutting relationship to the stock inlet of the feed orifice. The second retaining sleeve includes at least two bushings having an inner diameter substantially equal to the outer diameter of the bar stock, the two bushings being connected in spaced relationship to each other by an elongated cylindrical tube having an inner diameter greater than the inner diameter of the connected bushings. Bearing mounted bushings having hexagonal or square inner shapes are utilized for cutting hexagonal or square bar stock.
REFERENCES:
patent: 3557971 (1971-01-01), Tomiyama
patent: 3618787 (1971-11-01), Nemoto
patent: 3696696 (1972-10-01), Bechler
patent: 3828630 (1974-08-01), Argereu
patent: 4068545 (1978-01-01), Scheler
patent: 4217800 (1980-08-01), Furegati
patent: 4221141 (1980-09-01), Oliver
patent: 4406190 (1983-09-01), Mason
patent: 4621550 (1986-11-01), Berns
patent: 4638693 (1987-01-01), Sugimoto
Cruz Lawrence
Schmidt Frederick R.
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