HEIDENHAIN TNC 640 (34059x-04) - Manual (Page 212)

Programming: Programming contours
6.4 Path contours - Cartesian coordinates
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212
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 3/2014
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
213
Chamfer: CHF Chamfer between two
straight lines
Chamfer side length 214
Circle center CC None Coordinates of the
circle center or pole
216
Circular arc C Circular arc around a
circle center CC to an
arc end point
Coordinates of the arc
end point, direction of
rotation
217
Circular arc CR Circular arc with a
certain radius
Coordinates of the arc
end point, arc radius,
direction of rotation
218
Kreisbogen CT Circular arc with
tangential connection
to the preceding and
subsequent contour
elements
Coordinates of the arc
end point
220
Corner rounding
RND
Circular arc with
tangential connection
to the preceding and
subsequent contour
elements
Rounding radius R 215
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 231
235