Making Better Products with a Radio Frequency Welder
If you've ever looked at a waterproof backpack or a hospital IV bag and wondered how the seams stay so perfectly tight, you're likely looking at the work of a radio frequency welder. It's one of those behind-the-scenes technologies that we interact with every single day without even realizing it. Instead of using external heat like a giant hair dryer or a hot iron, these machines use electromagnetic energy to get the material to heat itself from the inside out. It sounds a bit like science fiction, but it's actually a incredibly practical way to create seams that are often stronger than the material itself. ...