6 NC Machine Data (NC MD), NC Setting Data (NC SD) 09.95
6.4 Axis-specific MD 1 (axial data 1)
Interpolation parameter name
304*
Default value Lower input limit Upper input limit Units
see table +0 3 –
Active
in next block
Default values
840C (T) 840C (M)
3040 1 1
3041 3 2
3042 0 3
3043
.
.
3069
0
.
.
0
0
.
.
0
In the case of circular movements (G2/G3) and thread cutting (G33, G34, G35), the individual
axes must be assigned an interpolation parameter:
0 = No interpolation parameter
1 = Interpolation parameter I
2 = Interpolation parameter J
3 = Interpolation parameter K
Standard MD: X axis .......... I
Y axis .......... J
Z axis .......... K
Several axes may have the same interpolator name.
Programming when using identical parameter names
Assignment: 1st parameter for 1st programmed axis
2nd parameter for 2nd programmed axis
G2 X5 C10 J20 J20 LF
Axes without an interpolator name cannot execute circular or helical movements or perform
thread cutting.
6–52 ©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)
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