Best Practice - Family Tables in Windchill

Partner Channel / Windchill

This guide presents the advantages, recommendations and what to have in mind when using family tables. Furthermore, a table that shows which instances of the family table is to be checked out and why is presented.

Advantages of Using a Family Table:
- Simple and fast way to create variances of an CAD-object
- Perfect to use for standard components that rarely are modified

Have in Mind:
- Family Tables often require a lot of administration in PDMLink
- To change an instance often requires a change of the Generic and all the other instance

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1. Best Practice Family Tables Aug 2019

2. This guide presents the advantages, recommendations and what to have in mind when using family tables. Furthermore, a table that shows which instances of the family table are to be checked out and why, is presented. Advantages of Using a Family Table !   A simple and fast way to create variances of a CAD-object !   Perfect to use for standard components that rarely are modi fi ed Have in Mind !   Family Tables often require a lot of administration in PDMLink !   To change an instance often requires a change of the Generic and all the other instances

3. Recommendations !   Do not use the Generic in a structure since the Generic often needs to be iterated multiple times !   Do not have the Generic in state Released since it will be iterated multiple times !   Always verify the Family Table when a new instance has been created !   Have in mind that Layer Status and color changes iterates both the Generic and the instances !   It is better to create copies of the objects or use the Merge -feature if the variants are dynamic

4. The Check Out of Family Tables (FT) Modi fi cation Demands Check Out of the Generic Demands Check Out of Instances Reason Save – no actual changes Yes No The FT is not modi fi ed, but a Save creates a new iteration in the WS Changes of a Layer Status Yes Yes Layer Status a ff ects all instances Modi fi cations of the FT’s dimensions/parameters Yes Only the instance a ff ected by the change Only the modi fi ed instance is a ff ected. The Generic is always a ff ected Modi fi cations of dimension/ parameters that are not a part of the FT Yes Yes The Generic and all instances will be modi fi ed Creation of new feature (new column in the FT) or a change in the Generic Yes Yes A new column in the FT a ff ects the generic and all instances Color changes Yes Yes Changes to color a ff ects all instances Creation of new instance Yes No A new instance is created in the WS. The Generic is modi fi ed since the FT is modi fi ed

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