Siemens SINUMERIK 828D Programming Manual page 287

Example 5: Apply technology from following block or previous block
● MD20201 Bit 0 = 0: Derived from following block (default setting!)
Program code
N10 G0 X0 Y0 G17 F100 G94
N20 G1 X10 CHF=2
N30 Y10 CHF=4
N40 X20 CHF=3 FRC=200
N50 RNDM=2 FRCM=50
N60 Y20
N70 X30
N80 Y30 CHF=3 FRC=100
N90 X40
N100 Y40 FRCM=0
N110 S1000 M3
N120 X50 G95 F3 FRC=1
...
M02
● MD20201 Bit 0 = 1: Derived from previous block (recommended setting!)
Program code
N10 G0 X0 Y0 G17 F100 G94
N20 G1 X10 CHF=2
N30 Y10 CHF=4 FRC=120
N40 X20 CHF=3 FRC=200
N50 RNDM=2 FRCM=50
N60 Y20
N70 X30
N80 Y30 CHF=3 FRC=100
N90 X40
N100 Y40 FRCM=0
N110 S1000 M3
N120 X50 CHF=4 G95 F3 FRC=1
N130 Y50
N140 X60
...
M02
Fundamentals
Programming Manual, 07/2010, 6FC5398-1BP40-0BA0
9.15 Chamfer, rounding (CHF, CHR, RND, RNDM, FRC, FRCM)
Comment
; Chamfer N20-N30 with F=100 mm/min
; Chamfer N30-N40 with FRC=200 mm/min
; Chamfer N40-N60 with FRCM=50 mm/min
; Modal rounding N60-N70 with FRCM=50 mm/min
; Modal rounding N70-N80 with FRCM=50 mm/min
; Chamfer N80-N90 with FRC=100 mm/min
; Modal rounding N90-N100 with F=100 mm/min
(deselection of FRCM)
; Modal rounding N100-N120 with G95 FRC=1 mm/rev
Comment
; Chamfer N20-N30 with F=100 mm/min
; Chamfer N30-N40 with FRC=120 mm/min
; Chamfer N40-N60 with FRC=200 mm/min
; Modal rounding N60-N70 with FRCM=50 mm/min
; Modal rounding N70-N80 with FRCM=50 mm/min
; Chamfer N80-N90 with FRC=100 mm/min
; Modal rounding N90-N100 with FRCM=50 mm/min
; Modal rounding N100-N120 with F=100 mm/min
; Chamfer N120-N130 with G95 FRC=1 mm/rev
; Modal rounding N130-N140 with F=3 mm/rev
Motion commands
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