Numerically-controlled lathe, numerically-controlled device ther

Details Numerically-controlled lathe, numerically-controlled device ther Numerically-controlled lathe, numerically-controlled device ther

1990-12-18

1992-07-07

Schwartz, Larry I.

Metal working

Plural diverse manufacturing apparatus including means for...

Type of machine

29 39, 82120, 82121, 82129, 36447411, B23B 700

Patent

active

051271400

ABSTRACT:
The present invention relates to a numerically-controlled lathe, a numerically-controlled device therefore and a procedure for processing a workpiece thereby. An object of the invention is to provide a numerically-controlled lathe adapted to designate one of two spindles and three tool rests and a procedure for processing a workpiece thereby. The numerically-controlled lathe of the invention includes a first headstock 2, a second headstock 5, which is positioned so as be facing relationship with the first headstock and drivably controlled in at least a single direction, a first tool rest 11 drivably controlled in at least two directions which intersect each other for processing a workpiece, a second tool rest 20 drivably controlled in at least two directions mainly for processing a workpiece mounted on the second spindle 23, and a third tool rest 30 drivably controlled in at least two directions and having two axes which are intersecting each other for processing the workpiece in association with the first tool rest 11 or second tool rest 20, by aiding a processing operation executed by the first spindle 22 or the second spindle 23.

REFERENCES:
patent: 4457193 (1984-07-01), Matthey
patent: 4612832 (1986-09-01), Ushigoe et al.
patent: 4683786 (1987-08-01), Kersten et al.
patent: 4719676 (1988-01-01), Sansone
patent: 4862381 (1989-08-01), Shibata
patent: 4949444 (1990-08-01), Kojima

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