K2: Axis Types, Coordinate Systems, Frames
10.2 Axes
Basic Functions
694 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
10.2.5 Replaceable geometry axes
Significance
The "Replaceable geometry axes" function allows the geometry axes in a grouping to be replaced by other
channel axes.
Axes that are initially configured as synchronous special axes in a channel can replace any selected geometry
axis in response to a program command.
Example
On a machine with two Z axes, Z1 and Z2, either of the Z axes can be programmed as the geometry axis in
response to an instruction in the part program.
Activation
Axis replacement is activated by the program command:
GEOAX([n, channel axis name]...)
A channel axis, which has been designated a geometry axis, can only be addressed under its geometry axis
name. The geometry axes names themselves remain unchanged.
Geometry axes can be replaced either individually or as a group in one command.
Supplementary conditions
As a basic rule, any channel axis designated as a geometry axis can be replaced by another channel axis.
In this case, the following restrictions apply:
• Rotary axes may not be programmed as geometry axes.
• A geometry axis, which has the same name as a channel axis, cannot be replaced by another channel axis
(alarm message). Nor can an axis of this type be removed from the geometry axis grouping. It cannot change
its position within the geometry axis grouping.
• Both axes in each of the axis pairs involved in the replacement operation must be blocksynchronized.
n=0: Removes an axis from the geometry axis grouping.
n=1, 2, 3: Index of the geometry axis
GEOAX( ): Establishes the basic setting defined via MD for the assignment of channel
axes to geometry axes.
Channel axis name: Name of channel axis, which is to operate as a geometry axis.
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