HEIDENHAIN iTNC 530 (340 422) ISO programming User Manual
Page 376
376
8 Programming: Cycles
8.9
C
y
cl
es f
o
r Mu
lt
ip
ass Millin
g
U
U
U
U
4th point in 1st axis
Q234 (absolute value):
Coordinate of point
4
in the reference axis of the
working plane.
U
U
U
U
4th point in 2nd axis
Q235 (absolute value):
Coordinate of point
4
in the minor axis of the working
plane.
U
U
U
U
4th point in 3rd axis
Q236 (absolute value):
Coordinate of point
4
in the tool axis.
U
U
U
U
Number of cuts
Q240: Number of passes to be made
between points
1
and
4
,
2
and
3
.
U
U
U
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.
Example: NC blocks
N72 G231 RULED SURFACE
Q225=+0
;STARTING PNT 1ST AXIS
Q226=+5
;STARTING PNT 2ND AXIS
Q227=-2
;STARTING PNT 3RD AXIS
Q228=+100
;2ND POINT IN 1ST AXIS
Q229=+15
;2ND POINT IN 2ND AXIS
Q230=+5
;2ND POINT IN 3RD AXIS
Q231=+15
;3RD POINT IN 1ST AXIS
Q232=+125
;3RD POINT IN 2ND AXIS
Q233=+25
;3RD POINT IN 3RD AXIS
Q234=+15
;4TH POINT IN 1ST AXIS
Q235=+125
;4TH POINT IN 2ND AXIS
Q236=+25
;4TH POINT IN 3RD AXIS
Q240=40
;NUMBER OF CUTS
Q207=500
;FEED RATE FOR MILLING