Tool changing – Process
Patent
1997-05-08
1999-07-06
Pitts, Andrea L.
Tool changing
Process
483 4, 483 13, 483 52, B23Q 3155
Patent
active
059191201
ABSTRACT:
In a tool changer system comprising one or more tool grippers together with a pressure foot insert change pod supported on a U-V slide which is independent of the machine work table. The slide services a tool magazine mounted on the machine tool in close proximity to the work table. Because the tool changer is independent of the machine table, the selection and retrieval of the next tool to be used is performed while the machine tool is working in a work cycle. Similarly, the replacement of the used tool back into its storage location is also performed while the machine tool is working. Exchange of the pressure foot insert is also done as part of the tool change process in part during the tool change work cycle. Time is saved because the machine tool work need not be interrupted and the machine tool table need not be moved to accommodate the tool change. In addition, adjustment of tool tip positioning may also be accomplished off line during the machine tool cycle by control of a tool gripper with multiple positions which allows the tool to be dropped to an adjustment pad and gripped at a known distance. When the tool is ultimately inserted into the spindle the position of the tip of the tool is known with precision.
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Excellon Automation Co.
Kirkman Christopher
Kohlmann Henry G.
Pitts Andrea L.
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