HEIDENHAIN TNC 426 (280 460) Training Advanced - Manual (Page 111)

HEIDENHAIN
Advanced course TNC 4xx
Program layout: Milling a contour with several settings
BLK FORM
FN 0: Q1 = . . .
FN 0: Q2 = . . .
FN 0: Q3 = . . .
FN 0: Q4 = . . .
FN 0: Q5 = . . .
FN 0: Q6 = . . .
TOOL 1 . . . R5
L Z+ . . .
R0 F9999 M3
CALL LBL 1
L Z100 . . . M2
LBL 1
FN 2: Q12 = Q4 – Q3
FN 4: Q12 = Q12 DIV Q5
FN 0: Q13 = Q3
L X-10 Y+70
R0 F9999 M3
LBL 2
L ZQ13 FQ1
L X+10 Y+70
RL FQ2
RND . . .
L . . . / RND . . . / L . . .
L X . . . Y . . . RL
RND . . .
L X- . . . Y . . .
R0 . . .
FN 1: Q13 = Q13 + Q12
FN 11: IF Q13 GT Q4
GOTO LBL 2
FN 9: IF Q13 EQU Q4
GOTO LBL 2
L Z2 F9999
LBL 0
Feed rate Z
Feed rate plane
Start Z
End Z
Number of cuts
Rounding
Setting range Z
Setting step Z
Z-start = Z-current
Uncorrected!
Move deeper
Move to first contour pt.
Approach tangentially
First/last contour point
Depart tangentially
Depart , uncorrected
Calculate Z setting
7285/2
C01
Conventional
preparation
Load data
Execute
Retract tool, end
SPGM
Starting values
Starting position
End position
Return jump /
further cuts, if the
final depth has not
yet been milled