HEIDENHAIN TNC 310 (286 140) Pilot - Manual (Page 20)

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Path Functions
Inserting a Chamfer Between Two Straight Lines
Chamfer side length
Feed rate F for the chamfer
Corner Rounding
The beginning and end of the arc extend tangentially from the previous
and subsequent contour elements.
Radius R of the circular arc
Feed rate F for corner rounding
7 L X+0 Y+30 RL F300 M3
8 L X+40 IY+5
9 CHF 12
10 L IX+5 Y+0
• You cannot start a contour with a CHF block.
• The radius compensation before and after the CHF block
must be the same.
• An inside chamfer must be large enough to accommodate
the current tool.
5 L X+10 Y+40 RL F300 M3
6 L X+40 Y+25
7 RND R5 F100
8 L X+10 Y+5
An inside arc must be large enough to accommodate the
current tool.