HEIDENHAIN TNC 620 (340 56x-02) Cycle programming User Manual
Page 232
232
Fixed Cycles: Multipass Milling
1
0
.3 RULED SURF
A
C
E (Cy
c
le 231, D
IN/ISO: G231, A
d
v
a
nced Pr
ogr
a
mming
F
e
at
ur
es Sof
tw
a
re
Option)
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
1
and
4
,
2
and
3
. Input range 0 to
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
Example: NC blocks
72 CYCL DEF 231 RULED SURFACE
Q225=+0
;STARTING POINT 1ST AXIS
Q226=+5
;STARTING POINT 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