RE: [plcs-dex] Representing parts

My motivation for writing the comment was that I want to represent the fact that a version of a part follows on the previous version.

Initially this has nothing to do with an assembly of parts – it is just about the part.

Similarly if a Part is derived from another part, I want to relate the two. Again, this has nothing to do with an assembly. Hence my suggestion that these representations should be in the rep_part capability.

Regards

Rob

-----Original Message-----
From: Tim Turner [mailto:tjt@lsc.co.uk]
Sent: 12 August 2005 18:35
To: DEXS-PLCS-OASIS (E-mail)
Subject: [plcs-dex] Representing parts - Issue: RBN-11

In the interest of visibility My response & comments to the issue are provided below;

RBN-11 by Rob Bodington (05-02-21) minor_technical issue

The relationship between different version(s) should be described in this capability, not "representing_assembly_structure" (C003). The product_version_relationship should be treated in the same way as in representing product as individual, and use the same classification. I propose: Derived_version_relationship Sequential_version_relationship Hierarchical_version_relationship as defined in the PDM Schema usage guide.

TJT Response: Relationships between parts, part versions and view_definitions are not currently described within Representing_parts. They are described within representing_assembly_structures as these relationships are used to define the assembly structures and how those structures might change if different versions of a part are used. However, it is possible to include product_version_relationship in this capability, but it would then exist in both. This is because supplied_part_relationship (a subtype) would & I believe should, stay within C003. Though I could be persauded.

I agree with the use of the classification and the ref data derived from the PDM schema.

Comments?

regards,
Tim

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