Turning and boring machine with double centering positioners

Details Turning and boring machine with double centering positioners Turning and boring machine with double centering positioners

1998-02-26

2000-04-25

Tsai, Henry W. H.

Turning

Centerer

82 111, 82124, 82164, 82165, 83914, 279133, B23B 2300, B23B 1300

Patent

active

060530839

ABSTRACT:
A work station between an active spindle adaptor and a passive spindle adaptor having a common rotational axis, receives a workpiece ring supplied from a loader shuttle. The ring has circular outer edges in parallel spaced planes perpendicular to the cylindrical axis of the ring. Chamfered centering crescents on oppositely facing ring positioners engage opposite edges of the ring and simultaneously clamp and center the ring on the spindle axis. The active spindle then moves the clamped ring to position abutting the passive spindle adaptor and clamps the ring between the spindles. The crescents retract, the active spindle rotates the ring and the ring is machined outside and inside simultaneously. External turning tools are fixed to one toolholder slide, and an additional external tool is movably mounted to the slide. A workpiece supply chute and shuttle loader are arranged to enable supply of rings individually in sequence for machining in sequence or, alternatively, to supply rings in pairs for machining simultaneously in pairs.

REFERENCES:
patent: 2387214 (1945-10-01), Corey
patent: 3756099 (1973-09-01), Sullivan
patent: 3783718 (1974-01-01), Kuhne et al.
patent: 3790058 (1974-02-01), Filkorn
patent: 3948121 (1976-04-01), Shaumian et al.
patent: 4800683 (1989-01-01), Schwar
patent: 5293794 (1994-03-01), Mosey
patent: 5421229 (1995-06-01), Grossmann et al.

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