HEIDENHAIN TNC 620 (81760x-01) ISO programming - Manual (Page 26)

Contents
26
TNC 620 | User's Manual for DIN/ISO Programming | 3/2014
6 Programming: Programming contours...................................................................................... 183
6.1 Tool movements.................................................................................................................................. 184
Path functions....................................................................................................................................... 184
Miscellaneous functions M...................................................................................................................184
Subprograms and program section repeats......................................................................................... 184
Programming with Q parameters......................................................................................................... 184
6.2 Fundamentals of Path Functions.......................................................................................................185
Programming tool movements for workpiece machining..................................................................... 185
6.3 Approaching and departing a contour............................................................................................. 188
Starting point and end point................................................................................................................. 188
Tangential approach and departure....................................................................................................... 190
Overview: Types of paths for contour approach and departure............................................................191
Important positions for approach and departure...................................................................................192
Approaching on a straight line with tangential connection: APPR LT................................................... 193
Approaching on a straight line perpendicular to the first contour point: APPR LN............................... 193
Approaching on a circular path with tangential connection: APPR CT..................................................194
Approaching on a circular path with tangential connection from a straight line to the contour:
APPR LCT.............................................................................................................................................. 194
Departing in a straight line with tangential connection: DEP LT.......................................................... 195
Departing in a straight line perpendicular to the last contour point: DEP LN....................................... 195
Departing on a circular path with tangential connection: DEP CT........................................................195
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT..............196
6.4 Path contours - Cartesian coordinates............................................................................................. 197
Overview of path functions.................................................................................................................. 197
Programming path functions.................................................................................................................197
Straight line in rapid traverse G00 Straight line with feed rate G01 F.................................................. 198
Inserting a chamfer between two straight lines...................................................................................199
Corner rounding G25............................................................................................................................ 200
Circle center I, J................................................................................................................................... 201
Circular path C around circle center CC............................................................................................... 202
CircleG02/G03/G05 with defined radius............................................................................................... 203
Circle G06 with tangential connection..................................................................................................205
Example: Linear movements and chamfers with Cartesian coordinates.............................................. 206
Example: Circular movements with Cartesian coordinates.................................................................. 207
Example: Full circle with Cartesian coordinates................................................................................... 208