Siemens SINUMERIK 802D

Programming
10.5 Special functions
Cylindrical grinding
Programming and Operating Manual, 07/2009, 6FC5398-4CP10-2BA0
287
Programming examples of chamfer
N5 F...
N10 G1 X... CHF=5 ; Insert chamfer with chamfer length of 5 mm
N20 X... Z...
...
N100 G1 X... CHR=2 ; Insert chamfer with leg length of 2 mm
N110 X... Z...
...
N200 G1 FRC=200 X... CHR=4 ; Insert chamfer with feedrate FRC
N210 X... Z...
Rounding RND or RNDM
A circle contour element can be inserted with tangential connection between the linear and
circle contours in any combination.
;
=
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;
=
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51' 
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Figure 10-26 Examples for inserting roundings
Programming examples for rounding
N5 F...
N10 G1 X... RND=4 ; Insert 1 rounding with radius 4 mm, feedrate F
N20 X... Z...
...
N50 G1 X... FRCM= ... RNDM=2.5 ; Modal rounding, radius 2.5 mm with
; special feedrate FRCM (modal)
N60 G3 X... Z... ; continue inserting this rounding - to N70
N70 G1 X... Z... RNDM=0 ; Modal rounding OFF
...