HEIDENHAIN TNC 370 - Page 100

5 Programming Tool Movements
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.6 Positioning with Manual Data Input (MDI). .....................................
5-57
General Information on Programming Tool Movements..
.............. 5-2
Contour Approach and Departure
....................................................
5-4
Starting and end positions ........................................................................................
5-4
Smooth approach and departure
..............................................................................
5-6
Path Functions ....................................................................................
5-7
General information
..................................................................................................
5-7
Machine axis movement under program control .....................................................
.5-7
Overview of path functions .......................................................................................
5-8
Path Contours - Cartesian Coordinates
........................................ 5-9
Straight line ...............................................................................................................
5-9
Chamfer .................................................................................................................
.5-l 2
Circles and circular arcs - General information
..................................................... 5-14
Circle center CC ......................................................................................................
5-l 5
Circular path C around the circle center CC..
......................................................... 5-1 7
Circular path CR with defined radius ......................................................................
5-20
Circular path CT with tangential connection ...........................................................
5-23
Corner rounding RND
.............................................................................................
5-25
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
Contours - FK Free Contour Programming.. .................................
5-36
Programming contour elements with FK
................................................................ 5-36
Interactive graphics during FK programming .........................................................
5-38
FK Functions ...........................................................................................................
5-39
Free programming of straight lines .........................................................................
5-40
Free programming of circular arcs ..........................................................................
5-44
Identifying closed contours
..................................................................................... 5-47
M Functions for Contouring Behavior and Coordinate Data
.......
5-51
Smoothing corners: M90
.........................................................................................
5-51
Machining small contour steps: M97 ......................................................................
5-52
Complete machining of open
contours: M98 ..........................................................
5-53
Setting the coordinates for the datum: M91/M92
................................................... 5-54
Reducing rotary axis display values to under 360”: M94
.......................................
5-55
Optimized traverse of rotary axes: Ml 26
............................................................... 5-55
Feed rate at circular arcs: Ml 09/Ml 1 O/Ml 11 ........................................................
5-56