Siemens SINUMERIK 808D ADVANCED Programming And Operating Manual page 95

See the following illustration for inserting a chamfer with CHR using the example: Between two straight lines.
Programming examples of chamfer
N10 G0 X100 Z100 G94 F100
N20 G1 X80 CHF=5
N30 X50 Z60
N40 X40 Z50
N50 G1 X30 CHR=7
N60 X10 Z20
N70 X0 Z0
N80 G1 FRC=200 X100 CHR=4
N90 X120 Z20
N100 M30
Rounding RND or RNDM
A circle contour element can be inserted with tangential connection between the linear and circle contours in any
combination.
See the following illustration for examples for inserting roundings:
Programming and Operating Manual (Turning)
6FC5398-5DP10-0BA2, 06/2015
; Insert chamfer with chamfer length of 5 mm
; Insert chamfer with leg length of 7 mm
; Insert chamfer with feedrate FRC
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