198 Programming: Programming Contours
6.4 Path Contours—Cartesian Coordinates
Inserting a chamfer between two straight lines
The chamfer enables you to cut off corners at the intersection of two
straight lines.
îš„ The line blocks before and after the G24 block must be in the same
working plane as the chamfer
îš„ The radius compensation before and after the G24 block must be the
same
îš„ The chamfer must be machinable with the current tool
U Chamfer side length: Length of the chamfer, and if
necessary:
U Feed rate F (effective only in G24 block)
Example NC blocks
N70 G01 G41 X+0 Y+30 F300 M3 *
N80 X+40 G91 Y+5 *
N90 G24 R12 F250 *
N100 G91 X+5 G90 Y+0 *
You cannot start a contour with a G24 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 block. After the G24 block, the previous feed rate
becomes effective again.
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