Siemens SINUMERIK 828D Programming Manual

Path traversing behavior
8.2 Feedrate response (FNORM, FLIN, FCUB, FPO)
Job planning
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
459
Example: Various feed profiles
This example shows you the programming and graphic representation of various feed
profiles.
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Program code Comments
N1 F1000 FNORM G1 X8 G91 G64 ; Constant feedrate profile, incremental
dimension data
N2 F2000 X7 ; Setpoint velocity step change
N3 F=FPO(4000, 6000, -4000) ; Feed profile via polynomial with feed 4000
at the end of the block
N4 X6 ; Polynomial feedrate 4000 is valid as modal
value
N5 F3000 FLIN X5 ; Linear feedrate profile
N6 F2000 X8 ; Linear feedrate profile
N7 X5 Linear feedrate is valid as modal value
N8 F1000 FNORM X5 ; Constant feedrate profile with acceleration
step change
N9 F1400 FCUB X8 ; All of the following F values programmed in
blocks are connected with splines
N10 F2200 X6
N11 F3900 X7
N12 F4600 X7
N13 F4900 X5 ; Switch-out spline profile
N14 FNORM X5
N15 X20

Siemens SINUMERIK 828D Specifications

General

Control Type	CNC
Operating System	Windows Embedded
Processor	Intel Atom
Display	10.4" color TFT display
Interfaces	Ethernet, USB
Programming	ShopMill, ShopTurn
Operation Panel Size	10.4"
Protection Class	IP65
PLC Memory	2 MB
Spindle Capacity	4 spindles
Hard Drive	CompactFlash