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Inserting a chamfer chf between two straight lines, 4 p ath cont ours — car tesian coor dinat es – HEIDENHAIN TNC 406 User Manual

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96

6 Programming: Programming Contours

6.4 P

ath Cont

ours — Car

tesian Coor

dinat

es

Inserting a chamfer CHF between two straight
lines

The chamfer enables you to cut off corners at the intersection of two
straight lines.

„

The blocks before and after the CHF block must be in the same
working plane.

„

The radius compensation before and after the chamfer block must
be the same.

„

An inside chamfer must be large enough to accommodate the
current tool.
(The tool radius in the illustration at bottom right is too large)

8

Chamfer side length:

Input the length L without

entering an axis designation

Example NC blocks

7 L X+0 Y+30 RL F M

8 L X+40 IY+5 R F M

9 L 12

10 L IX+5 Y+0 R F M

„

You cannot start a contour with a CHF block.

„

A chamfer is possible only in the working plane.

„

The feed rate for chamfering is the same as for the
preceding block.

„

The corner point E is cut off by the chamfer and is not
part of the contour.

X

Y

1

E

2

Z

S

X

Y

40

12

30

5

12

5

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