It’s a very easy to build spot welder perfect for fabbing steel cases. The core of the build is a transformer pulled from a Technics stereo amplifier. [manekinen] removed the stock secondary ...

Hackaday reader [David] was looking for a cheap and easy way to spot weld copper tabs together. As he notes in his writeup, the properties of copper which are most enticing, such as high thermal ...

A female welder performs automatic resistance spot welding at a factory of Harbin Electric Machinery Company Limited under ...

A female welder performs smart laser spot welding at a factory of Harbin Electric Machinery Company Limited under Harbin ...

The best plastic welders are user-friendly tools that form strong and permanent bonds to fix a whole host of plastic items.