Siemens SINUMERIK 840Di sl Programming Manual page 122
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- Commissioning manual (632 pages) ,
- Operating manual (470 pages) ,
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Motion commands
4.2 Travel commands with polar coordinates, polar angle, polar radius
Parameters
G0
G1
G2
G3
AP=
RP=
=AC(...)
=IC(...)
Example of making a hole pattern
The positions of the holes are specified in polar coordinates.
Each hole is machined with the same production sequence: Predrilling, drilling to size,
reaming, etc. The machining sequence is filed in the subroutine.
N10 G17 G54
N20 G111 X43 Y38
N30 G0 RP=30 AP=18 Z5
N40 L10
N50 G91 AP=72
N60 L10
N70 AP=IC(72)
N80 L10
N90 AP=IC(72)
N100 L10
N110 AP=IC(72)
122
Rapid traverse movement
Linear interpolation
Circular interpolation clockwise
Circular interpolation counter-clockwise
Polar angle, value range ±0...360°, the polar angle can be defined
both absolutely and incrementally.
Polar radius in mm or inches always in absolute positive values.
Absolute dimensioning
Incremental dimensioning
;Working plane X/Y, workpiece zero
;Define pole
;Approach starting point, position in ;cylindrical
coordinates
;Subprogram call
;Approach next position in rapid traverse, ;polar
angle in incremental dimensions, polar radius
;from block N30 is still stored and does not need
;to be specified
;Subprogram call
;...
;...
;...
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
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