#weldingmachine #arcwelding #welding
Hello there. In this video, I showed the construction of an Arc Welding Machine with adjustable output current, which gives very successful results. I only used 2 microwave oven transformers. I wrapped the secondary windings of the transformers with 4mm2 silicon insulated copper cable. Silicone insulated cables are heat resistant. Our welding machine was very light and useful. It has the capacity to burn a 3.25 electrode easily. We can adjust the current through the dimmer circuit. Since the dimmer circuit in my hand is low-power, I strengthened it by adding a triac. However, a dimmer circuit of 4000W will be sufficient. I used a 10mm2 cable for the output probes and made them detachable using a 10/25 socket. I used 2 12V fans to cool the transformers and a 12V power supply to feed them. I used aluminum plates and some plywood in the box making. I tried to show all the details in the video, so it's a bit long.

I look forward to your comments and any questions. Thanks for watching.

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