Creating a datum axis running along the axis of a circle defined by
three points
You can position a datum axis by selecting three points on the
model that define a circle.
Abaqus/CAE
creates a datum axis along the axis of the circle.
The figure below shows an example of creating a datum axis running along the
axis of a circle defined by three points.
From the main menu bar, selectToolsDatum.
The Create Datum dialog box appears. The dialog
box outlines the types of datum geometry you can create.
Abaqus/CAE displays prompts
in the prompt area to guide you through the procedure.
Tip:
You can also create a datum axis using the
tool, located in the module toolbox. For a diagram of the
datum tools in the toolbox, see
Using the Datum toolset.
From the list of types at the top of the dialog box, choose
Axis.
The Method list indicates the methods you can
use to create a datum axis.
From the Method list, select Three
points on circle.
If desired, select Make Independent from the
prompt area to create the datum as an independent feature.
From the part or assembly in the current viewport, select three
points.
The datum axis appears.You cannot modify a datum axis created with
this method; you must delete the old axis and create a new one.