HEIDENHAIN ITNC 530 - CYCLE PROGRAMMING User Manual page 262

U
4th point in 1st axis Q234 (absolute): Coordinate
of point 4 in the reference axis of the working plane.
Input range -99999.9999 to 99999.9999
U 4th point in 2nd axis Q235 (absolute): Coordinate
of point 4 in the minor axis of the working plane. Input
range -99999.9999 to 99999.9999
U 4th point in 3rd axis Q236 (absolute): Coordinate
of point 4 in the spindle axis. Input range:
-99999.9999 to 99999.9999
U Number of cuts Q240: Number of passes to be made
between points
99999
U Feed rate for milling Q207: Traversing speed of the
tool in mm/min while milling. The TNC performs the
first step at half the programmed feed rate. Input
range 0 to 99999.999, alternatively FAUTO, FU, FZ
262
1 and 4, 2 and 3. Input range 0 to
Example: NC blocks
72 CYCL DEF 231 RULED SURFACE
Q225=+0 ;STARTING PNT 1ST AXIS
Q226=+5 ;STARTING PNT 2ND AXIS
Q227=-2 ;STARTING PNT 3RD AXIS
Q228=+100 ;2ND POINT 1ST AXIS
Q229=+15 ;2ND POINT 2ND AXIS
Q230=+5 ;2ND POINT 3RD AXIS
Q231=+15 ;3RD POINT 1ST AXIS
Q232=+125 ;3RD POINT 2ND AXIS
Q233=+25 ;3RD POINT 3RD AXIS
Q234=+15 ;4TH POINT 1ST AXIS
Q235=+125 ;4TH POINT 2ND AXIS
Q236=+25 ;4TH POINT 3RD AXIS
Q240=40 ;NUMBER OF CUTS
Q207=500 ;FEED RATE FOR MILLING
Fixed Cycles: Multipass Milling