Siemens SINUMERIK 840DE

Programming Motion Commands
4.22 Chamfer, rounding (CHF, CHR, RND, RNDM, FRC, FRCM)
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
4-73
Example of chamfer, CHF/CHR
For the chamfer insert another linear part, the chamfer, between the linear and the circle
contours in any combination. The following two options are available:
N30 G1 X… Z… F… CHR=2
N40 G1 X… Z…
or
N30 G1 X… Z… F… CHF=2(cos α ·2)
N40 G1 X… Z…
;
=
*
*
&KDPIHU
HJ*
&+5
&+)
˞
%LVHFWRU
The chamfer is inserted after the block, in which it is programmed. The chamfer is always in
the plane activated with G17 to G19.