Siemens SINUMERIK 808D

Programming principles
1.5 Special turning functions
Turning Part 2: Programming (Siemens instructions)
68 Programming and Operating Manual, 05/2012, 6FC5398-5DP10-0BA0
Chamfer CHF or CHR
A linear contour element is inserted between linear and circle contours in any combination.
The edge is broken.
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Figure 1-31 Inserting a chamfer with CHF using the example: Between two straight lines
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Figure 1-32 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