Siemens SINUMERIK 840D sl Function Manual page 529

Assignment of geometry axes to channel axes
A distinction has to be made, whetherTRACYL is active or not:
● TRACYL not active
● TRACYL active
Entry of channel axes
Those axes, which do not belong to the Cartesian coordinate system, are entered.
MD20080 $MC_AXCONF_CHANAX_NAME_TAB[0]="XC"
MD20080 $MC_AXCONF_CHANAX_NAME_TAB[1]="YC"
MD20080 $MC_AXCONF_CHANAX_NAME_TAB[2]="ZC"
MD20080 $MC_AXCONF_CHANAX_NAME_TAB[3]="CC"
MD20080 $MC_AXCONF_CHANAX_NAME_TAB[4]="ASC"
Assignment of channel axes to machine axes
With the cd of the channel axes as a reference, the machine axis number to which the
channel axes have been assigned, is transferred to the control system.
MD20070 $MC_AXCONF_MACHAX_USED[0]=2
MD20070 $MC_AXCONF_MACHAX_USED[1]=3
MD20070 $MC_AXCONF_MACHAX_USED[2]=4
MD20070 $MC_AXCONF_MACHAX_USED[3]=1
MD20070 $MC_AXCONF_MACHAX_USED[4]=5
(Entries in accordance with Figure "Machining grooves on a cylinder surface with X-Y-Z-C
kinematics")
Identification of spindles
It is specified per machine axis, whether a spindle is present (value > 0: spindle number) or a
path axis (value 0).
MD35000 $MA_SPIND_ASSIGN_TO_MACHAX[0]=1
MD35000 $MA_SPIND_ASSIGN_TO_MACHAX[1]=0
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
A Y axis is operated normally.
MD20050 $MC_AXCONF_GEOAX_ASSIGN_TAB[0]=1
MD20050 $MC_AXCONF_GEOAX_ASSIGN_TAB[1] = 2
MD20050 $MC_AXCONF_GEOAX_ASSIGN_TAB[2] = 3
The Y axis becomes an axis in the direction of the cylinder co-ordinate system.
MD20050 $MC_TRAFO_GEOAX_ASSIGN_TAB[0]=1
MD20050 $MC_TRAFO_GEOAX_ASSIGN_TAB[1]=4
MD20050 $MC_TRAFO_GEOAX_ASSIGN_TAB[2]=3
M1: Kinematic transformation
7.3 TRACYL (option)
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