HEIDENHAIN TNC 320 (340 551-02) - Manual (Page 15)

HEIDENHAIN TNC 320 15
6.1 Tool Movements ..... 116
Path functions ..... 116
FK Free Contour Programming ..... 116
Miscellaneous functions M ..... 116
Subprograms and program section repeats ..... 116
Programming with Q parameters ..... 116
6.2 Fundamentals of Path Functions ..... 117
Programming tool movements for workpiece machining ..... 117
6.3 Contour Approach and Departure ..... 121
Overview: Types of paths for contour approach and departure ..... 121
Important positions for approach and departure ..... 121
Approaching on a straight line with tangential connection: APPR LT ..... 123
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 123
Approaching on a circular path with tangential connection: APPR CT ..... 124
Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 125
Departing on a straight line with tangential connection: DEP LT ..... 125
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 126
Departure on a circular path with tangential connection: DEP CT ..... 126
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 127
6.4 Path Contours—Cartesian Coordinates ..... 128
Overview of path functions ..... 128
Straight Line L ..... 128
Inserting a chamfer CHF between two straight lines ..... 129
Corner rounding RND ..... 130
Circle center CC ..... 131
Circular path C around circle center CC ..... 132
Circular path CR with defined radius ..... 132
Circular path CT with tangential connection ..... 134
6.5 Path Contours—Polar Coordinates ..... 139
Overview ..... 139
Polar coordinate origin: Pole CC ..... 139
Straight line LP ..... 140
Circular path CP around pole CC ..... 140
Circular path CTP with tangential connection ..... 141
Helical interpolation ..... 141
6 Programming: Programming Contours ..... 115