he fixed cycle of computer gong processing center is generally composed of six movements:
Action 1 – x-axis and y-axis positioning: make the cutter quickly position to the hole machining position.
Action 2 – break to R point: the tool feeds rapidly from the initial point to R point.
Action 3 – hole machining: the action of hole machining is performed in the way of cutting feed.
Action 4 – hole bottom action: including pause, spindle quasi stop, tool shift and other actions.
Action 5 return to R point: select r point when the hole processing can be continued and the tool can be moved safely.
Action 6 return to the initial point: generally, the initial point shall be selected after the hole processing is completed.
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