[SML] mini spot welder

[Stuart Wheaton]

On 5/12/2015 8:47 PM, Jerry Durand via Stagecraft wrote:
> For a customer's project I've ordered a mini spot welder but it won't be
> here for a while.  Aside from welding battery packs which is what it was
> originally designed for, I was wondering how useful it would be for thin
> sheet metal.  The current is programmable up to 800 amps.
>
> Anyone a spot welder expert?
>
> Anyone need batteries welded?
>


You know, you can make your own if you have a dead microwave in your 
scrap pile.

http://www.home-workshop.com/MOTWelder.htm

For a battery welder, just make the contact points either side by side 
or use tabbed batteries so that the welding current does not flow 
through the battery as it passes between the contact points.

Stuart