HEIDENHAIN TNC 426 (280 476) - Manual (Page 17)

HEIDENHAIN TNC 426, TNC 430 XIII
6.5 Path Contours — Polar Coordinates ..... 151
Overview ..... 151
Polar coordinate origin: Pole CC ..... 151
Straight line LP ..... 152
Circular path CP around pole CC ..... 152
Circular path CTP with tangential connection ..... 153
Helical interpolation ..... 153
6.6 Path Contours—FK Free Contour Programming ..... 158
Fundamentals ..... 158
Graphics during FK programming ..... 159
Initiating the FK dialog ..... 160
Free programming of straight lines ..... 160
Free programming of circular arcs ..... 161
Input possibilities ..... 162
Auxiliary points ..... 164
Relative data ..... 165
Converting FK programs ..... 167
6.7 Path Contours — Spline Interpolation ..... 173
Function ..... 173