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6 programming: programming contours, Programming: programming contours – HEIDENHAIN iTNC 530 (340 420) User Manual

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6.1 Tool Movements ..... 132

Path functions ..... 132

FK Free Contour Programming ..... 132

Miscellaneous functions M ..... 132

Subprograms and Program Section Repeats ..... 132

Programming with Q parameters ..... 132

6.2 Fundamentals of Path Functions ..... 133

Programming tool movements for workpiece machining ..... 133

6.3 Contour Approach and Departure ..... 137

Overview: Types of paths for contour approach and departure ..... 137

Important positions for approach and departure ..... 137

Approaching on a straight line with tangential connection: APPR LT ..... 139

Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 139

Approaching on a circular path with tangential connection: APPR CT ..... 140

Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 141

Departing on a straight line with tangential connection: DEP LT ..... 142

Departing on a straight line perpendicular to the last contour point: DEP LN ..... 142

Departure on a circular path with tangential connection: DEP CT ..... 143

Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 143

6.4 Path Contours—Cartesian Coordinates ..... 144

Overview of path functions ..... 144

Straight line L ..... 145

Inserting a chamfer CHF between two straight lines ..... 146

Corner rounding RND ..... 147

Circle center CC ..... 148

Circular path C around circle center CC ..... 149

Circular path CR with defined radius ..... 150

Circular path CT with tangential connection ..... 151

6 Programming: Programming Contours ..... 131