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How to Calculate PCBA Warpage after complete SMT/Through Hole Assembly?

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#76171

How to Calculate PCBA Warpage after complete SMT/Through Hole Assembly? | 17 August, 2016

Hi Guys, i have some doubt, may i know how to calculate the PCBA warpage after complete of SMT and through hole process? Do we have any calculation for that? And What is the acceptance level of warpage after complete assembly?

Thanks, Thanesh

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#76176

How to Calculate PCBA Warpage after complete SMT/Through Hole Assembly? | 17 August, 2016

Warpage of a completed assembly is an uncommon requirement. I would ask whoever is laying that requirement on you to define how they would like you to measure it.

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#76179

How to Calculate PCBA Warpage after complete SMT/Through Hole Assembly? | 18 August, 2016

Here is a PCBA Warpage calculate method after complete SMT/Through hole assembly

Warpage calculation method = warping height / length of the curved edge

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