Method of detecting lift of tool based upon cumulative machining distance
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United States of America Patent
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-
Dec 9, 1986
Grant Date -
N/A
app pub date -
Jun 15, 1984
filing date -
Jun 30, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Life of a tool used in a machining center having various sorts of tools can be detected by steps that a tool selection code at every execution of NC program is detected and the current-use tool number is stored, the machining distance of each tool is calculated, the machining distance is accumulated per each tool, the cumulative machining distance is compared with predetermined machining life distance to indicate the life of each tool, and then the life of each tool is determined on the basis of a result obtained in the comparing step.
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