
3. CREATING MACHINING PROGRAMS
FOR A LATHE HAVING THE Y–AXIS
MACHINING FUNCTION
B–62444E–1/04
TYPES OF MACHINING
PROGRAMS
430
(1) Sample figure data when CIRCLE is selected as the hole pattern
CENTR–PX CENTR–PY STAT–PZ ST.ANGL DEPTH REV.ANGLE
20.000 0.000 0.000 10.000 30.000 0.000
RADIUS ANGLE NUMBER LST.ANGL
30.000 60.000 6 10.000
CENTR–PX/Y: Coordinates of the center of a circle (X, Y)
Positive angular direction
Center (X, Y)
Center (X, Y)
Positive angular direction
A
X
B
Y2
1
R
X
A
R
B
Y
[HEAD 1] [HEAD 2]
STAT–PZ: Z coordinate of the hole start point
NOTE
1 Drilling starts when the tool reaches the point which is the
specified drilling clearance (GRDLCL bit of parameter 9855)
away from the workpiece.
Drilling clearance
(GRDLCL bit of parameter 9855)
Hole depth
Machining start point
Z coordinate of the hole start point
X
ST.ANGL : Angle between the first hole and the X–axis (A in the
examples shown above)
DEPTH : Depth of a hole (radius)
REV.ANGLE : Angular displacement of the workpiece (C coordinate)
RADIUS : Radius of the circle (R in the examples shown above)
3.1.3
Figure Data