DIY Spot Welder

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DIY Spot Welder
Spotwelder-beta1.jpg
Participants
Skills Electronics, Experimentation
Status Getting parts
Niche Hardware
Purpose Use in other project
Tool No
Location
Cost
Tool category

DIY Spot Welder

Spotwelder-beta1.jpg {{#if:No | [[Tool Owner::{{{ProjectParticipants}}} | }} {{#if:No | [[Tool Cost::{{{Cost}}} | }}

For welding batterytabs, i thought it would be nice to have a spot welder.

Parts needed

  • Microwave transformer (got this)
  • Thick-ass copper wire (profzon or the0 is getting this probably)
  • Delay timer ( ordered http://www.ebay.nl/itm/262966589796 )
  • Momentary switch
  • Some kinda auto-fuse box?
  • Case
  • Welding handle

Build log

Got some work done today. First hit the secondary coil out of the transformer with a chisel and hammer. Then made a simple welding handle and used the 4mm2 (~awg 11) wire with two loops. Measuring showed I was getting about 1.6V. Welding sorta seemed to work, but couldn't get anything welded, and wires got very hot. Really need something thicker I guess ...

--buZz (talk) 01:48, 8 June 2017 (CEST)


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