Multiple spindle machine plural threading apparatus and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 30, 2003
Grant Date -
N/A
app pub date -
Jun 7, 2000
filing date -
Jul 7, 1999
priority date (Note) -
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Abstract
A dual machining clutch apparatus (10) for a multiple spindle machine has at least two stations (20) for holding work pieces (22, 23). A first machining tool (24) is guided on a first slide (26). A controller (34) is notified that the earlier of the first or second machining tool has reached its selected position for completion of its machining operation. The respective machining clutch is de-energized, allowing its shaft to free-wheel. The later machining tool continues to perform its machining operation. As the later machining tool reaches its selected position for completion, the threading clutch for the earlier machining tool is engaged and the high speed clutch is engaged. The machining tools are then backed off the work piece to return to their original positions. The machining operation is complete and the main drum may index.
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