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Multi-Level Assembly

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Multi-Level assemblies can be defined as the assemblies consisting of at least one or more sub-assemblies within main assembly.

In the previous chapters, we have seen how to implement top-down design for single-level assemblies. But now we will see the different approaches for implementing top-down design to multi-level assemblies.

We will explore following two approaches for the multi-level assemblies

  1. Single skeleton
  2. Multiple skeletons

 

 


Example of a Multi-Level Assembly

EXERCISE 1

The topics covered are as follows.

  • How to implement top-down design to a multi-level assembly by using single skeleton for whole project
  • Investigating External References in parts at different levels
  • Understanding the pros and cons of copying references from the skeleton (located in main assembly) to the parts in the sub-assembly.
 
Skeleton Model





Assembly Structure: Showing Single Skeleton being used in main-assembly and sub-assembly


EXERCISE 2

The topics covered are as follows.

  • How to implement top-down design to a multi-level assembly by using a separate skeleton at each assembly level.
  • Creating skeletons in sub-assemblies
  • Communicating the design information from skeleton to skeleton
  • Communicating the design information from skeleton to components
  • Deciding either to define features in main skeleton or sub-assembly skeleton
  • Investigating External References in parts at different levels
 
Main-Assembly Skeleton



 
Assembly of Finished Components





 

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