Solder temp for tinning should be about 500 deg F not C. It should
be used in conjunction with a flux. Remember the hotter the more dross build
up.
        Good Luck
        Ramon


> -----Original Message-----
> From: Hogg, Blair K. [SMTP:[log in to unmask]]
> Sent: Thursday, October 24, 2002 3:38 PM
> To:   [log in to unmask]
> Subject:      Re: [TN] Dross on Solder Pot
>
> I turned the pot down yesterday to see what effect it would have. And that
> effect was - the operators turned it back up to (argh) maximum! It
> probably
> is 550C!
>
> It is still as black as ever, and yes the color after wiping off the dross
> could be described as gold.
>
> Now I have to go educate.....
>
> I'm not sure how this is affecting the quality of our products. We
> typically
> tin wires in harness prior to final assembly operations were they are
> soldered to a PCB. And we don't analyze this pot, when the dross gets
> excessive we just replace the solder.
>
> Lots of room for improvement in this process...
>
> Blair
>
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