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How do I update the base failure rate in a Windchill Quality Solutions Prediction User Library

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How do I update the base failure rate in a Windchill Quality Solutions Prediction User Library

I have a large amount of supplier FIT data that is more up to date than the 217 FN2 failure rate data included in the libraries of WQS. I have loaded a lot of that in as specified failure rates and updated the data into a user library. The problem is by using so many specified values the mission calculations based on the mission profile are not adjusting for temperature changes.

 

I have updated my user library using the import wizard for parts with an updated lambda B or base failure rate on 3 parts successfully. Then I tried to use the same import template to load several hundred parts and none of the lambda Bs updated. I can change a part from tagged to untagged or specified failure rate or calculated failure rate. I am very puzzled why I could change lambda B once but not again. 

 

Has anybody done this? If you have or you have suggestions please let me hear from you.

 

BTW - I exported my user library into an excel file and none of the lambdas or Pi values are present in the export or in the list of available fields.

1 REPLY 1
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Re: How do I update the base failure rate in a Windchill Quality Solutions Prediction User Library

Tim,

 

If this is still an issue for you, I recommend that you open a case with PTC Technical Support for assistance.

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