Programming - HEIDENHAIN TNC 370 User Manual

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-l 2
Circles and circular arcs - General information
.....................................................
5-14
Circle center CC ...................................................................................................... 5-1 5
Circular path C around the circle center CC.. ......................................................... 5-l 7
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 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
5.7 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 IO/Ml 11 ........................................................ 5-56
5.8 Positioning with Manual Data Input (MDI) ...................................... 5-57
TNC370