11/2006
9.3.2
Example of how to set an axis configuration
Example
© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D sl Commissioning Manual CNC: ShopMill – 11/2006 Edition
The following example illustrates how to set the axis configuration on a machine.
Legend:
X
Axis parallel to rotary axis
Y
Supplementary axis
Z
Feed axis perpendicular to rotary axis
A
Rotary axis
C
Main spindle
Fig. 9-2
Machining grooves on a cylinder surface with X–C–Z kinematics
You must configure 2 data blocks with the following machine data for the ma-
chine illustrated above:
20070
$MC_AXCONF_MACHAX_USED[4]=5
Number of channel axes
20080
$MC_AXCONF_CHANAX_NAME_TAB[0]="XC"
Channel axis XC
20080
$MC_AXCONF_CHANAX_NAME_TAB[1]="YC"
Channel axis YC
20080
$MC_AXCONF_CHANAX_NAME_TAB[2]="ZC"
Channel axis ZC
20080
$MC_AXCONF_CHANAX_NAME_TAB[3]="A"
Channel axis A
20080
$MC_AXCONF_CHANAX_NAME_TAB[4]="C"
Channel axis C
9.3
Cylinder surface transformation
C
Z
È
O
X
9 Additional Functions
Y
9-137