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Anonymous
November 11, 2015
Question

Family Tables dismount and remount

Recently I have been asked to cleanup my drawings ready for Windchill, delete all redundant developement sketches and dismount from family tables.

I have been experiencing that with every tidyup to internal sketches, that the sketches do not always copy true or accurately and when I come to the drawing nearly all the dimensions fall off.... This seems like a lot of extra work so that Windchill PLM can take them.

While I have been dismounting family tables in the assembly structures, I was wondering if anyone has ever got the basic assembly out of Windchill and re-mounted the empty prt free assembly back into Family tables?


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11 replies

dmcclinton12-Amethyst
12-Amethyst
November 11, 2015

It sound like you have some very specific company rules regarding breaking parts from family tables, and doing something with sketches ?
There is not really any necessary from a Windchill standpoint to do this.

We use family tables and multiple external sketches all the time, and just check drawings into Windchill all the time.

So if this is your company standard practice... its just something you are going to haft to deal with and yes it going to be a bunch of extra time consuming work....

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Anonymous
November 12, 2015

Thank you David your answer is most revealing and interesting.  

I have been in constant argument with my head office about the use of Family Tables and they say that they should not be used for anything but the most basic of things like a washer. Head office say that If Family Tables are used for anything more, they say Family Tables just do not work, however I have almost everything running off Family Tables.

I have Family Tables running assemblies and sub assemblies and I have the assemblies configuring themselves depending on the details left on the part model instances, all in the main with a green light, this is a superb development config tool to me and I am the only one in my company who knows how to use it.

Head office say that they are being advised by someone who is a PTC employee on this issue, who is reputed to be one of the best Creo-Windchill operators in the whole of Europe. I beg to differ on his views, but I have limited knowlege on Windchill to counter comment at this moment in time.

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StephenW
StephenW23-Emerald III
23-Emerald III
November 12, 2015

Here are my opinions on family tables based on your comments:

1. If you are the only one in your company who knows how to use family tables, I suggest you don't use family tables for anything other than "washers". The moment you are not available to do the work or make the change, your company will grind to a halt.

2. Depending on your use of windchill/pdmlink family tables may not be for you. If your company uses windchill to manage revisions and you control your creo parts with explicit revision control, any time you need to change one part in the family table, you may be required to revise all parts of the family table. Obviously this may or may not be a problem based on your use of windchill and how varying your family tables may be.

3. Occasionally you can have issues with family table modifications from within windchill. I usually assume this is user error but sometimes it seems to come out of nowhere and usually results in restarting the modifications you have already done on the family table, again, usually based on user error.

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