Turning – Process of turning
Patent
1985-03-15
1986-12-16
Husar, Francis S.
Turning
Process of turning
82 38R, 82 39, 414 14, B23B 1302
Patent
active
046287795
ABSTRACT:
In order to increase the product of the speed of rotation times the diameter of the bar stock, the inventive feed apparatus comprises, for guiding the bar stock, a plurality of bearing units constituting the non-rotary part of a hydrostatic bearing receiving oil under pressure. For introducing a fresh piece of bar stock, two rotary components of the bearing unit are capable of opening. A central passage may be either entirely closed and locked, a lever then being completely pushed back, or set ajar, for each bearing unit in sequence, so as to allow the carrier of a pusher to pass, or wide open to allow the fresh bar stock to enter, the mentioned lever then being completely pulled. The feed apparatus is particularly suitable for a computerized numerical control (CNC) automatic lathe.
REFERENCES:
patent: 3145513 (1964-08-01), Porath
patent: 3147653 (1964-09-01), Jones
patent: 3606807 (1971-09-01), Rast
patent: 4037733 (1977-07-01), Doe et al.
patent: 4088230 (1978-05-01), Doe et al.
patent: 4406190 (1983-09-01), Mason
patent: 4417491 (1983-11-01), Ve Hara et al.
patent: 4507992 (1985-04-01), Vandevoir et al.
Author, Professor Ichiro Inasaki of Hiyoshi, Japan, which appeared in the urnal Werkstat und Betrieb, No. 111 (1978), p. 9, entitled "Optimierung Hydrostatischer Axelager bei Werkzeugmaschinen".
Husar Francis S.
Kearns Jerry
Societe de Vente et de Fabrication pour le Decolletage Lns SA
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