Siemens SINUMERIK 840Di Function Manual

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Detailed Description2.9 Sum offsets and setup offsetsTool Compensation (W1)2-134 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0Tool T = t is active. With the data in the figure, the following is programmed:D2 ; Cutting edge compensations, i.e., $TC_DP3 to $TC_DP11 + wear($TC_DP12 to $TC_DP20) + adapter dimension...DL=1 ; Sum offset 1 is added to the previous D2 compensations,i.e., $TC_ECP13 + $TC_SCP13 to $TC_ECP21 + $TC_SCP21...DL=2 ; Sum offset 2 is added to the D2 compensation instead of sumoffset 1;i.e., $TC_ECP23 + $TC_SCP23,...$TC_ECP31 + $TC_SCP31...DL=0 ; Deselection of sum offset.Only the data of D2 remain active.Reading/writing in the part programThe individual sets of sum offset parameters are differentiated according to the numberranges of system variable $TC_SCP.The meaning 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 ] ; Sets the value of the R parameter to the valueof the first component of sum offset 1 forcutting edge (d)on tool (t).R6 = $TC_SCP21[ t, d ] ; Sets the value of the R parameter to the valueof the last component of sum offset 1 forcutting edge (d) on tool (t).R50 = $TC_SCP23[ t, d ] ; Sets the value of the R parameter to the valueof the first component of sum offset 2 forcutting edge (d) on tool (t).$TC_SCP43[ t, d ] = 1.234 ; Sets the value of the first component of sumoffset 4 for cutting edge (d) on tool (t) to thevalue 1.234.