HEIDENHAIN TNC 620 Programming Station

Programming contours | Path contours — Cartesian coordinates
5
5.4 Path contours — Cartesian coordinates
Overview of path functions
Key Function Tool movement Required input Page
Straight line L Straight line Coordinates of the end
point
155
Chamfer CHF Chamfer between two
straight lines
Chamfer side length 156
Circle center CC None Coordinates of the circle
center or pole
158
Circular arc C Circular arc around a circle
center CC to an arc end
point
Coordinates of the arc end
point, direction of rotation
159
Circular arc CR Circular arc with a certain
radius
Coordinates of the arc end
point, arc radius, direction
of rotation
161
Circular arc CT Circular arc with tangen-
tial connection to the
preceding and subsequent
contour elements
Coordinates of the arc end
point
163
Corner rounding RND Circular arc with tangen-
tial connection to the
preceding and subsequent
contour elements
Rounding radius R 157
FK free contour program-
ming
Straight line or circular path
with any connection to the
preceding contour element
Input depends on the
function
178
154
HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022