3 - DIY Butt_Flash Welder for Chain Mail Rings Made From Microwave Oven Parts (mainly the MOT)

Nov 20, 2019
(more info)
This is me butt welding a test ring with a DIY Butt/Flash welder made from microwave oven parts.
The wire used in this video is a 1,2 mm diameter SG-2 MIG Welding wire) This gauge of wire is just for the welding device's proof of concept in conjunction with the use of welding wire as the main material for chain mail (jump)rings.

The welding machine is made largely from microwave oven parts.
It uses a rewired Microwave Oven Transformer (MOT) as a low voltage high current power source of about 1150 W.
The primairy coil is unchanged and is (as in the microwave oven) powered by 220V 50/60 Hz AC straight from the wall outlet. The original high voltage secondary coil of the MOT was removed (cut, shissled and bashed out) and replaced by a 1,5 turn 50 mm2 copper coil (insulated wire used is of an automotive origin) which delivers a 1,7 V 50/60 Hz AC open terminal voltage at about 680 A short circuit current. This current can not be measured by me but the value is a theoretical amount and sh
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Date: Nov 20, 2019 Views: 18 Ratings: 0
Time: Comments: 0 Favorites: 0