Soldering can get frustrating when you’re ... for [mulcmu], after their experiments with techniques inspired by TIG welding came to nought. The design uses a pen-like form factor.

simple ideas that will help you create a practical and effective welding machine for your projects. Whether you're a beginner or just need a handy tool for soldering, these easy-to-follow steps ...

We’ve seen a few other methods of welding plastic. One used a tool much like a soldering iron, the other depends on ultrasonic waves and clamping pressure.