HEIDENHAIN TNC 620 (34056x-04) ISO programming - Manual (Page 178)

Programming: Programming contours
6.4 Path contours - Cartesian coordinates
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TNC 620 | User's Manual for DIN/ISO Programming | 5/2013
6.4 Path contours - Cartesian coordinates
Overview of path functions
Function Path function key Tool movement Required input Page
Straight line L Straight line Coordinates of the end
point of the straight line 179
Chamfer: CHF Chamfer between two
straight lines Chamfer side length 180
Circle center CC None Coordinates of the
circle center or pole 182
Circular arc C Circular arc around a
circle center CC to an
arc end point Coordinates of the arc
end point, direction of
rotation 183
Circular arc CR Circular arc with a
certain radius Coordinates of the arc
end point, arc radius,
direction of rotation 184
Kreisbogen CT Circular arc with
tangential connection
to the preceding and
subsequent contour
elements Coordinates of the arc
end point 186
Corner rounding
RND
Circular arc with
tangential connection
to the preceding and
subsequent contour
elements Rounding radius R 181
Programming path functions
You can program path functions conveniently by using the gray path
function keys. In further dialogs, you are prompted by the TNC to
make the required entries.
If you enter DIN/ISO functions via a connected USB
keyboard, make sure that capitalization is active.