Siemens SINUMERIK 802D sl Programming And Operating Manual page 210

Programming
10.2 Positional data
Overview of typical dimensions
The basis of most NC programs is a drawing with concrete dimensions.
When implementing in a NC program, it is helpful to take over exactly the dimensions of a
workpiece drawing into the machining program. These can be:
● Absolute dimension, G90 modally effective applies for all axes in the block, up to
● Absolute dimension, X=AC(value) only this value applies only for the stated axis and is
● Absolute dimension, X=CC(value) directly approaching the position by the shortest route,
● Absolute dimension, X=ACP(value) approaching the position in positive direction, only
● Absolute dimension, X=ACN(value) approaching the position in negative direction, only
● Incremental dimension, G91 modally effective applies for all axes in the block, until it is
● Incremental dimension, X=IC(value) only this value applies exclusively for the stated axis
● Inch dimension, G70 applies for all linear axes in the block, until revoked by G71 in a
● Metric dimension, G71 applies for all linear axes in the block, until revoked by G70 in a
● Inch dimension as for G70, but applies also for feedrate and length-related setting data.
● Metric dimension as for G71, but applies also for feedrate and length-related setting data.
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revocation by G91 in a following block.
not influenced by G90/G91. This is possible for all axes and also for SPOS, SPOSA
spindle positionings, and interpolation parameters I, J, K.
only this value applies only for the stated rotary axis and is not influenced by G90/G91. Is
also possible for SPOS, SPOSA spindle positionings.
this value is set only for the rotary axis, the range of which is set to 0... < 360 degrees in
the machine data.
this value is set only for the rotary axis, the range of which is set to 0... < 360 degrees in
the machine data.
revoked by G90 in a following block.
and is not influenced by G90/G91. This is possible for all axes and also for SPOS,
SPOSA spindle positionings, and interpolation parameters I, J, K.
following block.
following block.
Programming and Operating Manual, 11/2012, 6FC5398-5CP10-3BA0
Surface grinding