Siemens SINUMERIK 840D sl Function Manual page 196

W1: Tool offset
2.15 Sum and setup offsets
The significance of the individual variables is similar to geometry variables $TC_DP3 to
$TC_DP11. Only length 1, length 2 and length 3 are enabled for the basic functionality
(variables $TC_SCP13 to $TC_SCP15 for the first sum offset of the cutting edge).
R5 = $TC_SCP13[ t, d ]
R6 = $TC_SCP21[ t, d ]
R50 = $TC_SCP23[ t, d ]
$TC_SCP43[ t, d ] = 1.234
The above statements also apply to the setup offsets (if the NCK is configured with this option),
i.e.
R5 = $TC_ECP13[ t, d ]
R6 = $TC_ECP21[ t, d ]
etc.
When working with setup offsets, "sum offsets fine" are written with the $TC_SCPx system
variables.
Creating a new sum offset
If the compensation data set (x) does not yet exist, it is created on the first write operation to one
of its parameters (y).
$TC_SCPxy[ t, d ] = r.r
When working with setup offsets, "sum offsets fine" are written with the $TC_SCPx system
variables.
Note
When working with setup offsets, the data set for the setup offset is created when a data set is
created for "sum offset fine", if a data set did not already exist for [t, d].
196
; Sets the value of the R parameter to the value of the first
component of sum offset 1 for cutting edge (d)
on tool (t).
; Sets the value of the R parameter to the value of the last
component of sum offset 1 for cutting edge (d) on tool (t).
; Sets the value of the R parameter to the value of the first
component of sum offset 2 for cutting edge (d) on tool (t).
; Sets the value of the first component of sum offset 4 for
cutting edge (d) on tool (t) to the value 1.234.
; Sets the value of the R parameter to the value of the first
component of setup offset 1 for cutting edge (d) on tool (t).
; Sets the value of the R parameter to the value of the last
component of setup offset 1 for cutting edge (d) on tool (t).
; The value "r.r" is assigned to parameter y of sum offset x.
The other parameters of x have the value zero.
Function Manual, 06/2019, A5E47435126B AA
Tools