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Life hack-Spot welding
View this video on YouTube
Spot welding with his own hands. Made from burnt-down welding transformer.
Description:
1. Was welding transformer (conventional arc welding) with the burnt secondary (welding) winding.
2. I reeled off a burnt-out secondary winding and in its place put its secondary winding (one coil a 110 sq. mm cross-section consisting of two parallel conductors). Such a winding is very low voltage (about 2 Volts), but she has a huge current (about 500 Amps!).
3. Therefore, the transformer turned into a spot welding transformer.