9
 
 
Path Traversing Behavior 08.97
 
9.5 Feed characteristic
 FNORM
 FLIN
 FCUB
 FPO
 
 
9
 
 
 
840D
NCU 571
 
 
 
840D
NCU 572
NCU 573
     
 
 
840Di
             
 
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 Siemens AG 2000. All rights reserved
9-326
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
 These additional characteristics make it possible to
program continuously smooth velocity characteristics
depending on the curvature of the workpiece to be
machined.
 
 
 
 
Sequence
 
   
 
FNORM
 The feed address F defines the path feed as a
constant value according to DIN 66025.
 
 Please refer to Programming Guide "Fundamentals"
for more detailed information on this subject.
 
 
 
 
 
 
 
 
Path
Feedrate
    
   
 
FLIN
 The feed characteristic is approached linearly from
the current feed value to the programmed F value
until the end of the block.
 
 Example:
 
N30 F1400 FLIN X50
 
Path
Feedrate