Siemens SINUMERIK 828D Programming Manual page 285

Programming can be performed in two ways:
● Programming with CHR
Program code
...
N30 G1 Z... CHR=2 FRC=100
N40 G1 X...
...
● Programming with CHF
Program code
...
N30 G1 Z... CHF=2(cosα*2) FRC=100
N40 G1 X...
...
Example 2: Rounding between two straight lines
Program code
...
N30 G1 Z... RND=2 FRC=50
N40 G1 X...
...
Fundamentals
Programming Manual, 07/2010, 6FC5398-1BP40-0BA0
9.15 Chamfer, rounding (CHF, CHR, RND, RNDM, FRC, FRCM)
• MD20201 Bit 0 = 1 (derived from
• G71 is active.
• The radius of the rounding should be
previous block)
2 mm and the feedrate for rounding
50 mm/min.
Motion commands
285