HEIDENHAIN iTNC 530 (340 420) User Manual
Page 300
272
8 Programming: Cycles
8.4 Cy
cles f
o
r Milling P
o
c
k
ets, St
uds and Slots
U
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Set-up clearance
Q200 (incremental value): Distance
between tool tip and workpiece surface.
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Depth
Q201 (incremental value): Distance between
workpiece surface and bottom of stud
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U
Feed rate for plunging
Q206: Traversing speed of
the tool in mm/min when moving to depth. If you are
plunge-cutting into the material, enter a low value; if
you have already cleared the stud, enter a higher feed
rate.
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Plunging depth
Q202 (incremental value): Infeed per
cut. Enter a value greater than 0.
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Feed rate for milling
Q207: Traversing speed of the
tool in mm/min while milling.
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Workpiece surface coordinate
Q203 (absolute
value): Coordinate of the workpiece surface.
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2nd set-up clearance
Q204 (incremental value):
Coordinate in the tool axis at which no collision
between tool and workpiece (clamping devices) can
occur.
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Center in 1st axis
Q216 (absolute value): Center of
the stud in the reference axis of the working plane
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Center in 2nd axis
Q217 (absolute value): Center of
the stud in the minor axis of the working plane.
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First side length
Q218 (incremental value): Length
of stud parallel to the reference axis of the working
plane
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Second side length
Q219 (incremental value): Length
of stud parallel to the secondary axis of the working
plane
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Corner radius
Q220: Radius of the stud corner
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Allowance in 1st axis
Q221 (incremental value):
Allowance for pre-positioning in the reference axis of
the working plane referenced to the length of the stud
Example: NC blocks
35 CYCL DEF 213 STUD FINISHING
Q200=2
;SAFETY CLEARANCE
Q291=-20
;DEPTH
Q206=150
;FEED RATE FOR PLUNGING
Q202=5
;INFEED DEPTH
Q207=500
;FEED RATE FOR MILLING
Q203=+30
;SURFACE COORDINATE
Q294=50
;2ND SAFETY CLEARANCE
Q216=+50
;CENTER IN 1ST AXIS
Q217=+50
;CENTER IN 2ND AXIS
Q218=80
;FIRST SIDE LENGTH
Q219=60
;SECOND SIDE LENGTH
Q220=5
;CORNER RADIUS
Q221=0
;OVERSIZE