HEIDENHAIN TNC 426 (280 476) Pilot - Manual (Page 14)

15
Contour
Approach
and
Departure
Approaching Tangentially on an Arc
and a Straight Line
Coordinates for the first contour point P
A
Radius R
Enter a radius R > 0
Tool radius compensation RR/RL
7 L X+40 Y+10 R0 FMAX M3
8 APPR CT X+10 Y+20 CCA 180 R10 RR F100
9 L X+20 Y+35
7 L X+40 Y+10 R0 FMAX M3
8 APPR LCT X+10 Y+20 R10 RR F100
9 L X+20 Y+35
Approaching Tangentially on an Arc
Coordinates for the first contour point P
A
Radius R
Enter a radius R > 0
Circle center angle (CCA)
Enter a CCA > 0
Tool radius compensation RR/RL