XII
6.1 Tool movements ..... 128
Path functions ..... 128
FK Free Contour Programming ..... 128
Miscellaneous functions M ..... 128
Subprograms and Program Section Repeats ..... 128
Programming with Q parameters ..... 128
6.2 Fundamentals of Path Functions ..... 129
Programming tool movements for workpiece machining ..... 129
6.3 Contour Approach and Departure ..... 133
Overview: Types of paths for contour approach and departure ..... 133
Important positions for approach and departure ..... 133
Approaching on a straight line with tangential connection: APPR LT ..... 135
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 135
Approaching on a circular path with tangential connection: APPR CT ..... 136
Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 136
Departing on a straight line with tangential connection: DEP LT ..... 137
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 137
Departure on a circular path with tangential connection: DEP CT ..... 138
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 138
6.4 Path Contours — Cartesian Coordinates ..... 139
Overview of path functions ..... 139
Straight line L ..... 140
Inserting a chamfer CHF between two straight lines ..... 141
Corner rounding RND ..... 142
Circle center CC ..... 143
Circular path C around circle center CC ..... 144
Circular path CR with defined radius ..... 145
Circular path CT with tangential connection ..... 146
6 Programming: Programming Contours ..... 127
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