Siemens SINUMERIK

Programming and Operating Manual (Turning)
01/2017
111
Chamfer CHF or CHR
A linear contour element is inserted between
linear 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
N10 G0 X100 Z100 G94 F100
N20 G1 X80 CHF=5
; Insert chamfer with chamfer length of 5 mm
N30 X50 Z60
N40 X40 Z50
N50 G1 X30 CHR=7
; Insert chamfer with leg length of 7 mm
N60 X10 Z20
N70 X0 Z0
N80 G1 FRC=200 X100 CHR=4
; Insert chamfer with feedrate FRC
N90 X120 Z20
N100 M30