How a Cold Heading Machine Actually Works
If you've ever looked at a handful of bolts and wondered how they're made so quickly, you're basically looking at the handiwork of a cold heading machine. These machines are the quiet workhorses of the manufacturing world. They don't get as much glory as high-tech 3D printers or massive robotic arms, but honestly, modern life would pretty much fall apart without them. From the screws in your smartphone to the heavy-duty bolts holding your car together, this technology is everywhere. ...