News & Announcements (Page 106)

We are pleased to welcome Bartell Machinery Systems LLC to EWI membership. The company manufactures tire bead machinery, pipe, wire, and cable machines for the automotive, heavy equipment, and oil & gas industries. Bartell is based in Rome, NY.

Inertia welding is a well-established, friction-based, solid-state joining process. Many different applications use this welding process, ranging from aircraft engine parts to air bag inflators to hand tools. Process parameters associated with inertia welding (spindle speed, welding force, inertia, and displacement) have been widely studied since the process gained traction in the late 1960s. One...

A polymer can act rubbery or glassy depending on its temperature or rate of deformation, such as from an impact. This is important for medtech devices that are stored at low temperature, vibrate, or are required to pass drop testing. In general, the quicker the polymer is impacted, the more brittle it acts and the...