HEIDENHAIN ITNC 530 - CYCLE PROGRAMMING - Page 175

HEIDENHAIN iTNC 530 175
6.2 CIRCULAR PATTERN (Cycle 220, DIN/ISO: G220)
U Setup clearance Q200 (incremental): Distance
between tool tip and workpiece surface. Input range
0 to 99999.9999, alternatively PREDEF
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, alternatively PREDEF
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.
Alternatively PREDEF
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