Cheap Spot Welder Circuit. Here are a couple of affiliate links if you want to help the channel. Best Cheap Gas Welder.
And For that you dont Risk and Damage your self and the Environment I am a. Best Cheap Gas Welder. Best Cheap Spot Welder.
A typical resistance spot welder can range in price from about 200-800 but with a little resourcefulness and a bit of free time you can make one like this for about 10 or less.
Ad At Surplex you will find used machinery and industry equipment at best prices. Here are a couple of affiliate links if you want to help the channel. We used about four feet of 4AWG wire to build the spot welder in the photo. When power is connected This DC Power source charges the capacitor if the switch is pressed it activates the Relay 1 and charge of capacitor activates the Relay 2 Since capacitor can hold very few amounts of energy it quickly discharges and Relay 2 turns off.
