HEIDENHAIN TNC 360 User Manual - Manual (Page 12)

TNC 360
5 Programming Tool Movements
5.1 General Information on Programming Tool Movements ..................... 5-2
5.2 Contour Approach and Departure .......................................................... 5-4
Starting and end positions .............................................................................................. 5-4
Smooth approach and departure .................................................................................... 5-6
5.3 Path Functions ......................................................................................... 5-7
General information ........................................................................................................ 5-7
Machine axis movement under program control ........................................................... 5-7
Overview of path functions ............................................................................................ 5-8
5.4 Path Contours – Cartesian Coordinates ................................................. 5-9
Straight line .................................................................................................................... 5-9
Chamfer ......................................................................................................................... 5-12
Circle and circular arcs .................................................................................................... 5-14
Circle Center CC ............................................................................................................. 5-15
Circular Path C Around the Center Circle CC ................................................................. 5-17
Circular path CR with defined radius .............................................................................. 5-20
Circular path CT with tangential connection ................................................................... 5-23
Corner rounding RND ..................................................................................................... 5-25
5.5 Path Contours – Polar Coordinates ......................................................... 5-27
Polar coordinate origin: Pole CC ..................................................................................... 5-27
Straight line LP ............................................................................................................... 5-27
Circular path CP around pole CC .................................................................................... 5-30
Circular path CTP with tangential connection ................................................................. 5-32
Helical interpolation ........................................................................................................ 5-33
5.6 M-Functions for Contouring Behavior and Coordinate Data ............... 5-36
Smoothing corners: M90 ................................................................................................ 5-36
Machining small contour steps: M97 ............................................................................. 5-37
Machining open contours: M98 ..................................................................................... 5-38
Progamming machine-reference coordinates: M91/M92 ............................................... 5-39
5.7 Positioning with Manual Data Input (MDI) ............................................ 5-40