HEIDENHAIN TNC 410 ISO Programming User Manual
Page 311

HEIDENHAIN TNC 410, TNC 426, TNC 430
285
8.7 SL Cy
cles Gr
ou
p II (no
t T
N
C
4
1
0)
Example: Cylinder surface
Note:
n
Cylinder centered on rotary table
n
Datum at center of rotary table
%C27 G71 *
N10 G99 T1 L+0 R+3.5 *
Define the tool
N20 T1 G18 S2000 *
Call tool, tool axis is Y
N30 G00 G40 G90 Y+250 *
Retract the tool
N40 G37 P01 1 *
Define contour subprogram
N50 G127 Q1=-7 Q3=+0 Q6=+2 Q10=+4
Define machining parameters
Q11=100 Q12=250 Q16=25 *
N60 C+0 M3 *
Pre-position rotary table
N70 G79 *
Call the cycle
N80 G00 G90 Y+250 M2 *
Retract in the tool axis, end program
N90 G98 L1 *
Contour subprogram
N100 G01 G41 C+91.72 Z+20 *
Data for the rotary axis are entered in degrees
N110 C+114.65 Z+20 *
Drawing dimensions are converted from mm to degrees (157 mm =
360°)
N120 G25 R7.5 *
N130 G91 Z+40 *
N140 G90 G25 R7.5 *
N150 G91 C-45.86 *
N160 G90 G25 R7.5 *
N170 Z+20 *
N180 G25 R7.5 *
C
Z
157
60
30
20
R7,5
50