Contents
VHEIDENHAIN TNC 426 B, TNC 430
5 PROGRAMMING: TOOLS ..... 67
5.1 Entering Tool-Related Data ..... 68
5.2 Tool Data ..... 69
5.3 Tool Compensation ..... 78
5.4 Three-Dimensional Tool Compensation ..... 82
5.5 Working with Cutting Data Tables ..... 84
6 PROGRAMMING: PROGRAMMING CONTOURS ..... 91
6.1 Overview of Tool Movements ..... 92
6.2 Fundamentals of Path Functions ..... 93
6.3 Contour Approach and Departure ..... 96
Overview: Types of paths for contour approach and departure ..... 96
Important positions for approach and departure ..... 96
Approaching on a straight line with tangential connection: APPR LT ..... 97
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 98
Approaching on a circular arc with tangential connection: APPR CT ..... 98
Approaching on a circular arc with tangential connection from a straight line to the contour:
APPR LCT ..... 99
Departing tangentially on a straight line: DEP LT ..... 100
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 100
Departing tangentially on a circular arc: DEP CT ..... 101
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 101
6.4 Path Contours — Cartesian Coordinates ..... 102
Overview of path functions ..... 102
Straight line L ..... 103
Inserting a chamfer CHF between two straight lines ..... 103
Circle center CC ..... 104
Circular path C around circle center CC ..... 105
Circular path CR with defined radius ..... 106
Circular path CT with tangential connection ..... 107
Corner Rounding RND ..... 108
Example: Linear movements and chamfers with Cartesian coordinates ..... 109
Example: Circular movements with Cartesian coordinates ..... 110
Example: Full circle with Cartesian coordinates ..... 111
CINHALT.PM6 30.06.2006, 07:035
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