HEIDENHAIN TNC 320 (340 551-01) - Manual (Page 15)

HEIDENHAIN TNC 320 15
6.1 Tool Movements ..... 114
Path functions ..... 114
FK Free Contour Programming ..... 114
Miscellaneous functions M ..... 114
Subprograms and program section repeats ..... 114
Programming with Q parameters ..... 114
6.2 Fundamentals of Path Functions ..... 115
Programming tool movements for workpiece machining ..... 115
6.3 Contour Approach and Departure ..... 119
Overview: Types of paths for contour approach and departure ..... 119
Important positions for approach and departure ..... 119
Approaching on a straight line with tangential connection: APPR LT ..... 121
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 121
Approaching on a circular path with tangential connection: APPR CT ..... 122
Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 122
Departing on a straight line with tangential connection: DEP LT ..... 123
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 123
Departure on a circular path with tangential connection: DEP CT ..... 124
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 124
6.4 Path Contours—Cartesian Coordinates ..... 125
Overview of path functions ..... 125
Straight Line L ..... 125
Inserting a Chamfer CHF between Two Straight Lines ..... 126
Corner Rounding RND ..... 127
Circle center CC ..... 128
Circular path C around circle center CC ..... 129
Circular path CR with defined radius ..... 129
Circular Path CT with Tangential Connection ..... 131
6.5 Path Contours—Polar Coordinates ..... 136
Overview ..... 136
Polar coordinate origin: Pole CC ..... 136
Straight line LP ..... 137
Circular path CP around pole CC ..... 137
Circular Path CTP with Tangential Connection ..... 138
Helical interpolation ..... 138
6 Programming: Programming Contours ..... 113