HEIDENHAIN TNC 320 User Manual page 240

6
Programming contours
Path contours  Cartesian coordinates
6.4
Path contours  Cartesian
6.4
coordinates
Overview of path functions
Path function key
240
Function Tool movement
Straight line L Straight line
Chamfer: CHF Chamfer between two
straight lines
Circle center CC None
Circular arc C Circular arc around a
circle center CC to an arc
end point
Circular arc CR Circular arc with a certain
radius
Circular arc CT Circular arc with
tangential connection
to the preceding and
subsequent contour
elements
Corner rounding RND Circular arc with
tangential connection
to the preceding and
subsequent contour
elements
FK free contour Straight line or circular
programming path with any connection
to the preceding contour
element
HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016
Required input
Coordinates of the end
point of the straight line
Chamfer side length
Coordinates of the circle
center or pole
Coordinates of the arc
end point, direction of
rotation
Coordinates of the arc
end point, arc radius,
direction of rotation
Coordinates of the arc
end point
Rounding radius R
"Path contours – FK free
contour programming ",
page 259
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