
1.MILLING CYCLE MACHINING TYPES B-63874EN/05
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DETAIL
Data item Meaning
Z APROCH MOTION [2 AXES] : When moving from the current
position to the machining start point,
the tool first moves in the machining
plane in two-axis synchronous
operation and then moves along the
tool axis. (initial value)
[3 AXES] : The tool moves from the current
position to the machining start point in
three-axis synchronous operation.
• Tool path
<1> The tool moves to the position "cutting start position + clearance
(Cr)" by rapid traverse.
<2> The tool moves to the position "amount to be chamfered (C) +
ejection stroke (P)" at the feedrate (F) specified for cutting.
<3> The tool cuts in to the portion to be chamfered by the cut depth
(Dr) in the tool radius direction at the feedrate (Fd) specified for
both-edge thread cutting.
<4> The tool cuts along the contour of the hole machining profile at
the feedrate (Fr) specified for single-edge thread cutting.
<5> Steps <3> and <4> are repeated until only the finishing
allowance (Tr) in the tool radius direction is left uncut.
<6> The tool turns around the finishing allowance (Tr) in the tool
radius direction to perform finishing at the feedrate (Ff) specified
for finishing.
<7> The tool moves to the position "cut-in start position + clearance
(Cr)" by rapid traverse.