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Question about 8.5.1.1

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Vika Created:   Jan 10, 2018 Last commented:   Jan 12, 2018

Question about 8.5.1.1

Hello. My company is starting up the work to be certified with IATF 16949 and I have some questions about point b) in this paragraph. First-off/last-off part validation. How long is it necessary to store the parts. Is it enough to store the first part of the batch and save it to the completion of the production order and then comparing the parts? Do you also have to store the last part and compare it to the first part in the next production batch? Or is it other requirements to storing the parts, in example a certain amount off time? Reason for this question is that we run about 50 different batches each week, and storing the parts over time would take up quite some storage. Thanks for any replies
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IATF 16949 DOCUMENTATION TOOLKIT

Step-by-step implementation for smaller companies.

IATF 16949 DOCUMENTATION TOOLKIT

Step-by-step implementation for smaller companies.

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Strahinja Stojanovic Jan 12, 2018
Inspecting the last part can give assurance that nothing changed in the setup during the manufacturing run. It's expected that some equipment will be old, subject to vibration or tool wear, etc.

Comparing the last piece with the first piece can give supervisors a chance to understand how long a piece of equipment can run acceptable product without intervention: adjustments, tooling change, coolant refresh, etc.

There is no reason for preserving the first part after it was compared to the last part and vice versa. All you need are the records of measurement of those parts.
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