Siemens SINUMERIK 840D sl Programming Manual page 390

Supplementary commands
14.3 Working area limitation
Note
G25/G26 can also be used to program limits for spindle speeds at the address S. For more
information see " Programmable spindle speed limitation (G25, G26) [Page 108] ".
Example
Program code
N10 G0 G90 F0.5 T1
N20 G25 X-80 Z30
N30 G26 X80 Z330
N40 L22
N50 G0 G90 Z102 T2
N60 X0
N70 WALIMOF
N80 G1 Z-2 F0.5
N90 G0 Z200
N100 WALIMON
N110 X70 M30
390
Using the working area limitation G25/26, the
working area of a lathe is limited so that the
surrounding devices and equipment - such
as revolver, measuring station, etc. - are
protected against damage.
Default setting: WALIMON
Comment
; Define the lower limit for the individual coordinate
axes
; Define the upper limit
; Cutting program
; To tool change point
; Deactivate working area limitation
; Drilling
; Back
; Activate working area limitation
; End of program
Programming Manual, 09/2011, 6FC5398-1BP40-2BA0
Fundamentals