Setting up system variables
Use the following system variables to set up the kinematics transformation:
System variable Meaning
$NT_NAME[n] Name of the transformation that appears on the user interface
$NT_TRAFO_TYPE[n] Transformation type for turning and milling machines:
TRAORI_STAT
$NT_T_CHAIN_LAST_ELEM[n] Name of the chain element that describes the end of the chain
in the direction of the tool
$NT_P_CHAIN_LAST_ELEM[n] Name of the chain element that describes the end of the chain
in the direction of the workpiece
$NT_GEO_AX_NAME[n, 0 - 2] Name of the chain elements that describe the 1st to 3rd GEO
axis (X, Y, Z)
$NT_ROT_AX_NAME[n, 0 - 2] Name of the chain element that describes the 1st to 3rd rotary
axis (rotary indexing table, swivel axis, tool spindle)
$NT_IDENT[n, 0 - 2] Settings to adapt the screen form
$NT_AUX_POS[n, 0 - 2] Values for retraction in the direction of 1st to 3rd GEO axis (X,
Y, Z)
1)
$NT_CNTRL[n] Settings to adapt to the machine
n: Number of the transformation data set with n = 1, 2, 3, ... (MD18866 $MN_MM_NUM_KIN_TRAFOS)
1)
See manufacturer cycle CUST_800.SPF markers _M47 and _M48
Meaning of the decimal places of $NT_IDENT[n, 0 - 2]
You can set the following display variants of the input screens for turning on milling machines:
Decimal place Meaning
ONES Selection of the alignment
0 = Beta/gamma
1 = Beta/gamma + direct alignment (B/SP)
THOUSANDS Selection field: +/- direction reference of the swivel axis
0 = No selection on the user interface, always minus
4 = +/- selection via user interface, default: Minus
5 = No selection on the user interface, always plus
9 = +/- selection via user interface, default: Plus
TEN THOUSANDS Selection box: Correct tool tip when swiveling
2 = Do not list toggle
3 = List toggle
ONE MILLION Selection box: Retraction mode 0X and
TEN MILLION Selection box: Retraction mode X0 (the permissible retraction modes result from the sum of
the individual values: 0 ... 15)
0 = No retraction
1 = Retraction Z
2)
2 = Retraction Z, XY
2)
4 = Maximum retraction in tool direction
8 = Incremental retraction in tool direction
Technologies and cycles
21.8 Turning on milling machines
SINUMERIK Operate (IM9)
604 Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
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