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March 1998

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Subject:
From:
drilbert <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 30 Mar 1998 20:06:26 -0800
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What is the purpose of using screws and washers to fasten connectors?
Wouldn't rivets or snap on connectors save time?  Or does the screw
provide an electrical path?

Darrel Therriault wrote:
>
> Technet:
>
> For PWAs that require connecters fastened with hardware
> (screws/lockwashers) to the
> FR-4, is there an acceptable torque setting requirement that will not
> damage the
> FR-4?   These are usually 2-56 or 4-40, but will standard torque for these
> sizes damage the FR-4 in any way??
>
> Should it just be tighten firmly and use locktite to secure it?
>
> Curious to know if there is a standard  method for doing this attach and
> secure.
>
> Any information appreciated.
>
> Regards........DT
>
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