Our Electrovert came with such a blanket and a warning in the manual that it
would occasionally burp during warmup. Indeed it does.

> -----Original Message-----
> From: Marsico, James [SMTP:[log in to unmask]]
> Sent: Tuesday, September 26, 2000 11:23 AM
> To:   [log in to unmask]
> Subject:      Re: [TN] Burping Wave Solder Bath
>
> Bev,  Does the solder solidify during the night (is the pot turned off?)?
> We experienced this a few years ago (when we did thru-hole).  We used to
> solder only a couple of hours on one shift.  The heaters were turned off
> after soldering and turned on again via a timer early in the morning.  We
> found that occasionally the molten solder would "burp" during the heating
> stage.  We attributed it to molten solder on the bottom and solid solder
> on
> top, kind of like a volcano.  When the pressure built up, whamo!  We just
> covered the pot with a heat resistant blanket at night.
>
> Hope this helps.
>
> Jim M.
>
>
>         -----Original Message-----
>         From:   Bev Christian [SMTP:[log in to unmask]]
>         Sent:   Tuesday, September 26, 2000 1:52 PM
>         To:     [log in to unmask]
>         Subject:        [TN] Burping Wave Solder Bath
>
>         Technetters,
>         Have you ever heard of this?  About once every three weeks, always
> at night
>         (no evening shift on this machine), our wave solder machine burps
> out molten
>         solder.  I am concerned for my staff, if this were to happen
> during
> the day.
>         The machine is very old but it is not running hot and is drossed
> regularly.
>         However, the tank has not been emptied in at least the last seven
> months.
>         The solder is run-of-the-mill 63/37.  Any suggestions would be
> appreciated.
>
>         regards,
>         Bev Christian
>         XLTEK
>
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