HEIDENHAIN TNC 620 (73498x-02) - Manual (Page 194)

Programming: Programming contours
6.4 Path contours - Cartesian coordinates
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TNC 620 | 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 195
Chamfer: CHF Chamfer between two
straight lines Chamfer side length 196
Circle center CC None Coordinates of the
circle center or pole 198
Circular arc C Circular arc around a
circle center CC to an
arc end point Coordinates of the arc
end point, direction of
rotation 199
Circular arc CR Circular arc with a
certain radius Coordinates of the arc
end point, arc radius,
direction of rotation 200
Kreisbogen CT Circular arc with
tangential connection
to the preceding and
subsequent contour
elements Coordinates of the arc
end point 202
Corner rounding
RND
Circular arc with
tangential connection
to the preceding and
subsequent contour
elements Rounding radius R 197
FK free contour
programming
Straight line or
circular path with any
connection to the
preceding contour
element See "Path contours
– FK free contour
programming
(Advanced
Programming Features
software option)",
page 213 217