Friction Drilling

An interesting process that creates a very useful hole in metals is friction drilling or flow drilling. Rather than using a fluted drill bit to cut a hole, friction drilling uses a conical bit coated made of a high heat-resistant material from the ceramic family to form the hole. In this process the bit is pressed into the target body …

High Speed Video Of Drill Tool

I love to see what is really happening at the interface of a cutting tool and there is no better way to see it that slowing down a high-speed video. Ingersoll Cutting Tools have once again made a high-speed video of one of their tools in action. This one is their Quad Drill+ cutting a half hole in 1018 mild …

Hot Plate Welding Of Plastics

Here are a pair of videos that describe a plastic welding process that I have some experience with. Hot plate welding is a type of plastic welding used in many applications, but the one I am most familiar with is automotive lamps (my LinkedIn profile will give you more insight on that). This process works on thermoplastics and it is …