HEIDENHAIN iTNC 530 (340 49x-04) ISO programming - Manual (Page 437)

HEIDENHAIN iTNC 530 437
8.7 SL Cy
cles with Cont
our F
o
rm
ula
Example: Roughing and finishing superimposed contours with the contour formula
%C21 G71 *
N10 G30 G17 X+0 Y+0 Z-40 * Definition of workpiece blank
N20 G31 G90 X+100 Y+100 Z+0 *
N30 G99 T1 L+0 R+2.5 * Tool definition of roughing cutter
N40 G99 T2 L+0 R+3 * Tool definition of finishing cutter
N50 T1 G17 S2500 * Tool call of roughing cutter
N60 G00 G40 G90 Z+250 * Retract the tool
N70 %:CNT: “MODEL“ * Specify contour definition program
N80 G120 CONTOUR DATA Define general machining parameters
Q1=-20 ;MILLING DEPTH
Q2=1 ;TOOL PATH OVERLAP
Q3=+0.5 ;ALLOWANCE FOR SIDE
Q4=+0.5 ;ALLOWANCE FOR FLOOR
Q5=+0 ;SURFACE COORDINATE
Q6=2 ;SET-UP CLEARANCE
Q7=+100 ;CLEARANCE HEIGHT
Q8=0.1 ;ROUNDING RADIUS
Q9=-1 ;DIRECTION
X
Y
35
50
100
100
16
16
R25
65
16
R25