HEIDENHAIN TNC 640 (34059x-02) - Manual (Page 206)

Programming: Programming contours
6.4 Path contours - Cartesian coordinates
6
206
TNC 640 | User's Manual
HEIDENHAIN Conversational 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 207
Chamfer: CHF Chamfer between two
straight lines Chamfer side length 208
Circle center CC None Coordinates of the
circle center or pole 210
Circular arc C Circular arc around a
circle center CC to an
arc end point Coordinates of the arc
end point, direction of
rotation 211
Circular arc CR Circular arc with a
certain radius Coordinates of the arc
end point, arc radius,
direction of rotation 212
Kreisbogen CT Circular arc with
tangential connection
to the preceding and
subsequent contour
elements Coordinates of the arc
end point 214
Corner rounding
RND
Circular arc with
tangential connection
to the preceding and
subsequent contour
elements Rounding radius R 209
FK free contour
programming
Straight line or
circular path with any
connection to the
preceding contour
element See "Path contours
– FK free contour
programming ",
page 225 229