HEIDENHAIN TNC 620 (340 56x-02) Cycle programming User Manual
Page 161
HEIDENHAIN TNC 620
161
6.2 CIR
C
ULAR P
A
T
TERN (Cy
c
le 220, DIN/ISO: G220, A
d
v
a
nced Pr
ogr
a
mming
F
e
at
ur
es Sof
tw
a
re
Option)
U
Setup clearance Q200 (incremental): Distance
between tool tip and workpiece surface. Input range
0 to 99999.9999
U
Workpiece surface coordinate Q203 (absolute):
Coordinate of the workpiece surface. Input range:
-99999.9999 to 99999.9999
U
2nd setup clearance Q204 (incremental): Coordinate
in the spindle axis at which no collision between tool
and workpiece (fixtures) can occur. Input range 0 to
99999.9999
U
Moving to clearance height Q301: Definition of how
the tool is to move between machining processes.
0: Move to the setup clearance between operations.
1: Move to the 2nd setup clearance between
machining operations.
U
Type of traverse? Line=0/Arc=1 Q365: Definition of
the path function with which the tool is to move
between machining operations.
0: Move between operations on a straight line
1: Move between operations on the pitch circle
Example: NC blocks
53 CYCLE DEF 220 POLAR PATTERN
Q216=+50
;CENTER IN 1ST AXIS
Q217=+50
;CENTER 2ND AXIS
Q244=80
;PITCH CIRCLE DIA.
Q245=+0
;STARTING ANGLE
Q246=+360 ;STOPPING ANGLE
Q247=+0
;STEPPING ANGLE
Q241=8
;NUMBER OF OPERATIONS
Q200=2
;SETUP CLEARANCE
Q203=+30
;SURFACE COORDINATE
Q204=50
;2ND SETUP CLEARANCE
Q301=1
;MOVE TO CLEARANCE
Q365=0
;TYPE OF TRAVERSE
X
Z
Q200
Q203
Q204