DIY Video : How to build a Simple Homemade Spot Welding Machine for dirt cheap using easily available materials


    This video shows the build of a Simple Homemade Spot Welder for practically nothing using old Microwave parts and other easily scavenged materials. Spot welders are used to fuse thin sheets of metal together and can cost hundreds of dollars to buy.By modifying the secondary coil on a MOT, the transformer is converted from a high voltage/low current device into a low voltage/high current metal melter. High current can be directed to one focused location to fuse sheets of metal together on contact.

    Watch the DIY Homemade MOT Spot Welder Build