Programming contours | Path contours — Cartesian coordinates
5
Inserting a chamfer between two straight lines
The chamfer enables you to cut off corners at the intersection of two
straight lines.
The line blocks before and after the CHF block must be in the
same working plane as the chamfer.
The radius compensation before and after the CHF block must be
the same
The chamfer must be machinable with the current tool
Chamfer side length: Length of the chamfer, and
if necessary:
Feed rate F (effective only in CHF block)
7 L X+0 Y+30 RL F300 M3
8 L X+40 IY+5
9 CHF 12 F250
10 L IX+5 Y+0
You cannot start a contour with a CHF block.
A chamfer is possible only in the working plane.
The corner point is cut off by the chamfer and is not part
of the contour.
A feed rate programmed in the CHF block is effective only
in that CHF block. After the CHF block, the previous feed
rate becomes effective again.
156
HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022
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