Homemade 200 Amp Arc Welder using Microwave Transformers

Homemade 200 Amp Arc Welder using Microwave Transformers

In this video I demonstrate how to make a high current AC stick welding machine using microwave parts, I do this by removing the secondary winding in the microwave oven transformer and rewinding it with fewer turns
I already have an arc welder but I wanted to build one which can kick out allot more current for welding thicker steel if you wanted one with less current you could use thinner wire with more turns and using only 2 transformers

00:00 Intro
00:15 Rewinding MOT transformers
02:00 Testing the circuit
03:01 Welding the transformers together
03:34 Making the case
07:05 Painting the case
07:57 Assembling the welder
10:59 Testing the welder

The cable crimping tool can be bought here (uk)
https://goo.gl/MgFTkM

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