HEIDENHAIN TNC 320 (77185x-01) ISO programming User Manual
Page 24

Contents
24
TNC 320 | User's Manual for DIN/ISO Programming | 3/2014
6
Programming: Programming contours...................................................................................... 179
6.1
Tool movements.................................................................................................................................. 180
Path functions....................................................................................................................................... 180
Miscellaneous functions M...................................................................................................................180
Subprograms and program section repeats......................................................................................... 180
Programming with Q parameters......................................................................................................... 180
6.2
Fundamentals of Path Functions.......................................................................................................181
Programming tool movements for workpiece machining..................................................................... 181
6.3
Approaching and departing a contour............................................................................................. 184
Starting point and end point................................................................................................................. 184
Tangential approach and departure....................................................................................................... 186
Overview: Types of paths for contour approach and departure............................................................187
Important positions for approach and departure...................................................................................188
Approaching on a straight line with tangential connection: APPR LT................................................... 189
Approaching on a straight line perpendicular to the first contour point: APPR LN............................... 189
Approaching on a circular path with tangential connection: APPR CT..................................................190
Approaching on a circular path with tangential connection from a straight line to the contour:
APPR LCT.............................................................................................................................................. 190
Departing in a straight line with tangential connection: DEP LT.......................................................... 191
Departing in a straight line perpendicular to the last contour point: DEP LN....................................... 191
Departing on a circular path with tangential connection: DEP CT........................................................191
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT..............192
6.4
Path contours - Cartesian coordinates............................................................................................. 193
Overview of path functions.................................................................................................................. 193
Programming path functions.................................................................................................................193
Straight line in rapid traverse G00 Straight line with feed rate G01 F.................................................. 194
Inserting a chamfer between two straight lines...................................................................................195
Corner rounding G25............................................................................................................................ 196
Circle center I, J................................................................................................................................... 197
Circular path C around circle center CC............................................................................................... 198
CircleG02/G03/G05 with defined radius............................................................................................... 199
Circle G06 with tangential connection..................................................................................................201
Example: Linear movements and chamfers with Cartesian coordinates.............................................. 202
Example: Circular movements with Cartesian coordinates.................................................................. 203
Example: Full circle with Cartesian coordinates................................................................................... 204