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

Contents
24
TNC 320 | User's Manual
HEIDENHAIN Conversational Programming | 3/2014
6 Programming: Programming contours...................................................................................... 181
6.1 Tool movements.................................................................................................................................. 182
Path functions....................................................................................................................................... 182
FK free contour programming.............................................................................................................. 182
Miscellaneous functions M...................................................................................................................182
Subprograms and program section repeats......................................................................................... 183
Programming with Q parameters......................................................................................................... 183
6.2 Fundamentals of Path Functions.......................................................................................................184
Programming tool movements for workpiece machining..................................................................... 184
6.3 Approaching and departing a contour............................................................................................. 188
Overview: Types of paths for contour approach and departure............................................................188
Important positions for approach and departure...................................................................................189
Approaching on a straight line with tangential connection: APPR LT................................................... 191
Approaching on a straight line perpendicular to the first contour point: APPR LN............................... 191
Approaching on a circular path with tangential connection: APPR CT..................................................192
Approaching on a circular path with tangential connection from a straight line to the contour:
APPR LCT.............................................................................................................................................. 193
Departing in a straight line with tangential connection: DEP LT.......................................................... 193
Departing in a straight line perpendicular to the last contour point: DEP LN....................................... 194
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..............195
6.4 Path contours - Cartesian coordinates............................................................................................. 196
Overview of path functions.................................................................................................................. 196
Straight line L........................................................................................................................................197
Inserting a chamfer between two straight lines...................................................................................198
Corner rounding RND........................................................................................................................... 199
Circle center CC....................................................................................................................................200
Circular path C around circle center CC............................................................................................... 201
CircleCR with defined radius................................................................................................................ 202
Circle CT with tangential connection....................................................................................................204
Example: Linear movements and chamfers with Cartesian coordinates.............................................. 205
Example: Circular movements with Cartesian coordinates.................................................................. 206
Example: Full circle with Cartesian coordinates................................................................................... 207