User's Manual TNC 360 (from 259 900-11) - heidenhain

5 Programming Tool Movements
5.3 Path Functions
5-8
Movement of three machine axes (3D movement)
The tool moves in a straight line to the programmed position.
Number of axes programmed in the NC block: 3
Exception: A helical path is created by combining a circular movement in
a plane with a linear movement perpendicular to the plane.
Overview of path functions
The path function keys determine the type of contour element and initiate
the plain language dialog.
Function
Line
Circle Center
Circle
Circle by Radius
Circle, Tangential
RouNDing of corners
Key
L
CR
CT
CC
C
RND
Y
Tool movement
Straight line
10
Z
Fig. 5.13: Three-dimensional tool movement
Coordinates of a circle center or pole
Circular arc around a circle center CC to an
arc end point
Circular arc with a certain radius
L X +80 Y 0 Z –10
80
Circular arc with a tangential connection to
the previous contour element
Circular arc with tangential connection to the
previous and subsequent contour elements
X
TNC 360