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Assembling Components using the Default Constraint

It is standard practice to assemble the first component of an
assembly using the Default constraint.
• Benefits of using the Default
constraint:
– No references are specified.
– No parent/child relationships
are created.
• You can also assemble
sub-assemblies using the Default
constraint.

Assembling Components using the Default 2
Figure 2 – Completed Component
Placement

Assembling Components using the Default 1
Figure 1 – Assembling Component
using Default Constraint

Assembling Components using the Default 3
Figure 3 – Assembling a
Sub-Assembly
Assembling Components using the Default Constraint
The Default constraint enables you to align the internal system-created
coordinate system of the component to the internal system-created
coordinate system of the assembly. The system places the component at
the assembly origin. Because the internal system coordinate system is used,
no references are specified, and no parent-child references are created. It
is a standard practice to assemble the initial assembly component using a
Default constraint, as shown in Figure 2.
You can also assemble sub-assemblies using the Default constraint. Similar
to individual components, assembling a sub-assembly using the Default
constraint creates no parent-child references.

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