HEIDENHAIN TNC 410 - Manual (Page 8)

V HEIDENHAIN TNC 410
Contents
6 PROGRAMMING: PROGRAMMING CONTOURS ..... 63
6.1 Overview of Tool Movements ..... 64
6.2 Fundamentals of Path Functions ..... 65
6.3 Contour Approach and Departure ..... 68
Overview: Types of paths for contour approach and departure ..... 68
Important positions for approach and departure ..... 68
Approaching on a straight line with tangential connection: APPR LT ..... 70
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 70
Approaching on a circular arc with tangential connection: APPR CT ..... 71
Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 72
Departing tangentially on a straight line: DEP LT ..... 73
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 73
Departing tangentially on a circular arc: DEP CT ..... 74
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 75
6.4 Path Contours — Cartesian Coordinates ..... 76
Overview of path functions ..... 76
Straight line L ..... 77
Inserting a chamfer CHF between two straight lines ..... 77
Circle center CC ..... 78
Circular path C around circle center CC ..... 79
Circular path CR with defined radius ..... 80
Circular path CT with tangential connection ..... 81
Corner Rounding RND ..... 82
Example: Linear movements and chamfers with Cartesian coordinates ..... 83
Example: Circular movements with Cartesian coordinates ..... 84
Example: Full circle with Cartesian coordinates ..... 85
6.5 Path Contours – Cartesian Coordinates ..... 86
Polar coordinate origin: Pole CC ..... 86
Straight line LP ..... 87
Circular path CP around pole CC ..... 87
Circular path CTP with tangential connection ..... 88
Helical interpolation ..... 88
Example: Linear movement with polar coordinates ..... 90
Example: Helix ..... 91