Siemens SINUMERIK 808D User Manual page 113

C h amfer CHF or CHR
A linear contour element is inserted between l inear and circle contours in any combination. The edge is broken.
See the following illustration for inserting a chamfer with CHF using the example: Between two straight lines.
See the following illustration for inserting a chamfer with CHR using the example: Between two straight lines.
Programming examples of chamfer
N5 G17 G94 F300 G0 X100 Y100
N10 G1 X85 CHF=5
N20 X70 Y70
N30 G0 X60 Y60
N100 G1 X50 CHR=7
N110 X40 Y40
N200 G1 FRC=200 X30 CHR=4
N210 X20 Y20
M30
Programming and Operating Manual (Milling)
6FC5398-4DP10-0BA6, 09/2017
; Insert chamfer with chamfer length of 5 mm
; Insert chamfer with leg length of 7 mm
; Insert chamfer with feedrate FRC
113