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Batteries + Jumpercables = DC Welder

Step 5The Welds

The Welds
A short arc but very hot. It melted deep and fast into the 1/4" plate.
I couldn't have stuck the rod to the plate if I wanted to.

These are the welds after chipping and brushing the slag off.

I did the right hand weld first with 1/8" 6011 rod at 36 Volts.
I've had the rods for a while and they're a bit damp and splattered a lot.
It's a deep good weld as you can see in the next photo of the backside of the plate, where it's melted through.

The mess at the top of the middle weld is trying a 6011 at 24 volts. Not enough juice, a lot of splattering. The full length bead next to it is a 6011 at 30 volts.

The left hand weld, the best looking one, is a 3/32" thick 6013 rod at 30 volts.

This golf cart is a good welder and I will definitely use it to weld projects in the future.

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Author:TimAnderson
Tim Anderson is the author of the "Heirloom Technology" column in Make Magazine. He is co-founder of www.zcorp.com, manufacturers of "3D Printer" output devices. His detailed drawings of traditional ...
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