HEIDENHAIN TNC 620 (340 56x-02) ISO programming - Manual (Page 20)

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6.1 Tool Movements ..... 150
Path functions ..... 150
Miscellaneous functions M ..... 150
Subprograms and program section repeats ..... 150
Programming with Q parameters ..... 151
6.2 Fundamentals of Path Functions ..... 152
Programming tool movements for workpiece machining ..... 152
6.3 Contour Approach and Departure ..... 155
Starting point and end point ..... 155
Tangential approach and departure ..... 157
6.4 Path Contours—Cartesian Coordinates ..... 159
Overview of path functions ..... 159
Programming path functions ..... 160
Straight line at rapid traverse G00
Straight line with feed rate G01 F ..... 160
Inserting a chamfer between two straight lines ..... 161
Corner rounding G25 ..... 162
Circle center I, J ..... 163
Circular path C around circle center CC ..... 164
Circular path G02/G03/G05 with defined radius ..... 165
Circular path G06 with tangential connection ..... 167
6.5 Path Contours—Polar Coordinates ..... 172
Overview ..... 172
Zero point for polar coordinates: pole I, J ..... 173
Straight line at rapid traverse G10
Straight line with feed rate G11 F ..... 173
Circular path G12/G13/G15 around pole I, J ..... 174
Circular path G16 with tangential connection ..... 175
Helical interpolation ..... 176
6 Programming: Programming Contours ..... 149