
8.THREAD CYCLE CYCLE MACHINING B-64254EN/02
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8.1 OUTLINE
There are two kinds of thread cycle of outer thread and inner thread,
and is characterized by following properties.
(1) Thread shape can be defined by starting point, end point, pitch
and depth of thread.
(2) A straight and taper threading are available.
(3) It is possible to select the cutting direction between -Z, +Z.
(4) Six cutting methods are available (single-edged, straight, zigzag
each of them with constant cutting depth or constant cutting
amount).
(5) The tool number, feedrate, and spindle speed can be specified as
cycle data.
NOTE
Manual feed is not available. Only automatic feed
is available.
Outer thread
+X
+Z
Workpiece
Pitch
Depth
End point Start point
Inner thread
+X
+Z
Workpiece Pitch
Depth
End point Start point