Programming: programming contours – HEIDENHAIN TNC 320 (340 55x-04) User Manual
Page 18
18
FK free contour programming (Advanced programming features software option) ..... 152
Miscellaneous functions M ..... 152
Subprograms and program section repeats ..... 152
Programming with Q parameters ..... 153
6.2 Fundamentals of Path Functions ..... 154
Programming tool movements for workpiece machining ..... 154
6.3 Contour Approach and Departure ..... 158
Overview: Types of paths for contour approach and departure ..... 158
Important positions for approach and departure ..... 159
Approaching on a straight line with tangential connection: APPR LT ..... 161
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 161
Approaching on a circular path with tangential connection: APPR CT ..... 162
Departing on a straight line with tangential connection: DEP LT ..... 164
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 164
Departure on a circular path with tangential connection: DEP CT ..... 165
6.4 Path Contours—Cartesian Coordinates ..... 166
Overview of path functions ..... 166
Inserting a chamfer between two straight lines ..... 168
Circular path C around circle center CC ..... 171
Circular path CR with defined radius ..... 172
Circular path CT with tangential connection ..... 174
6.5 Path Contours—Polar Coordinates ..... 179
Zero point for polar coordinates: pole CC ..... 180
Circular path CP around pole CC ..... 181
Circular path CTP with tangential connection ..... 182