Controller for automatic tool changer
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United States of America Patent
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-
Aug 9, 1983
Grant Date -
N/A
app pub date -
Dec 22, 1981
filing date -
Dec 22, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
On a work machine such as a milling machine having a main spindle for chucking a tool and a mobile transfer arm assembly for replacing the tool under control by a numerical control device, a chucking repeat controller including a chucking repeat fixer, which is given in the form of either a counter or a time-limit timer, automatically repeats chucking operation by the main spindle upon detection of any failure in chucking operation, and intercepts all further operation of the main spindle and the transfer arm assembly for maintenance purposes when failure in the chucking operation has been repeated in succession for prescribed number of times, preferably with concurrent generation of some visible and/or audible alarm for operators' attention.
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