Multispindle lathe and method for machining workpieces

Details Multispindle lathe and method for machining workpieces Multispindle lathe and method for machining workpieces

1992-09-01

1993-05-04

Terrell, William E.

Turning

Lathe

Multiple

82 111, 82124, 82127, B23B 904, B23B 100

Patent

active

052071359

ABSTRACT:
A multispindle lathe is disclosed which has an indexable drum including a plurality of main spindles. A secondary spindle opposes the main spindles so that it is coaxial with one of the main spindles at an indexed position. The secondary spindle is rotatable on a fixed axis and can be moved axially towards the main spindle. The rotation of the secondary spindle can be synchronized with the rotation of the main spindle so that both spindles can hold a workpiece. A cut off tool moves transversely to the spindles to cut the workpiece from bar stock which has been fed into the main spindle. After cut off, the secondary spindle moves away from the main spindle and a secondary tool moves transversely to the secondary spindle to machine the end of the workpiece which has just been cut off. Movement of the secondary tool and secondary spindle can be coordinated to form curves and tapered threads.

REFERENCES:
patent: 4457193 (1984-07-01), Matthey
patent: 4557166 (1985-12-01), Jauch
patent: 4987807 (1991-01-01), Simon

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