Boots – shoes – and leggings
Patent
1992-12-21
1995-05-09
Envall, Jr., Roy N.
Boots, shoes, and leggings
36447417, 36447434, G06F 1546, G05B 1918
Patent
active
054146330
ABSTRACT:
The path control method of tool withdrawal and resumption in CNC operation is capable of moving the tool along a prescribed path to a reference point to wait for the removal of interrupting factor. Upon the termination of interruption signal, the tool is then moved along the prescribed path from the reference point to the interruption point where the tool resumes its operating activities. If the termination of interruption signal takes place when the process of tool withdrawal is in progress, the tool in question is then instructed by CNC to reverse it course of movement ot return to the interruption point so as to resume its operating chores. The control of tool paths during the process of withdrawal and resumption is further enhanced by an addition of several sets of defined path status in relation to the interruption existence.
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Brown Thomas E.
Envall Jr. Roy N.
Industrial Technology Research Institute
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