Positional Data
3.5 Special turning functions
Fundamentals
3-16 Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Parameters
Absolute dimensioning (G90) Incremental dimensioning
(G91)
DIAMON Diameter Diameter
DIAMOF Radius (for default, see
machine manufacturer)
Radius
DIAM90 Diameter Radius
The diameter programming is set with DIAM90 for G90 and
the radius programming for G91.
Further information
The commands for diameter and radius data are modal.
By programming DIAMOF you can switch at any time to radius as dimension.
Diameter values (DIAMON/DIAM90)
Diameter values apply to the following data:
• Actual-value display of transverse axis in the workpiece coordinate system
• JOG mode: Increments for incremental dimension and travel with handwheel
• Programming:
End positions, independent of G90/G91 interpolation parameters inG2/G3, if these are
programmed with AC absolutely
• Actual values read in the workpiece coordinate system in
MEAS, MEAW, $P_EP[X], $AA_IW[X] (see PGA, Programming Guide "Advanced")
Example
N10 G0 X0 Z0 Approach starting point
N20 DIAMOF Diameter input off
N30 G1 X30 S2000 M03 F0.7 X axis = transverse axis; radius
dimensions active
Traverse to radius position X30
N40 DIAMON Diameter dimensions active
N50 G1 X70 Z-20 Traverse to diameter position X70 and
Z–20
N60 Z-30
N70 DIAM90 Diameter programming for absolute
dimensions and radius programming for
incremental dimensions
N80 G91 X10 Z-20 Incremental dimension
N90 G90 X10 Absolute dimensions
N100 M30 ; End of program
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