Atlanta — The plastics materials sector is responding to today's stronger-than-ever "green" momentum by developing bioplastics and beefing up recycled content, both mechanical and chemical. And ...

A Wednesday posting on Reddit shows an asymmetrical screw, allegedly designed by Apple, that would be impossible to remove with tools currently available on the market. While the authenticity of the ...

The ability to operate consistently at higher speeds is why motion system designers often specify ball screws over lead screws. However, ball screws have speed limitations of their own. Understanding ...

The Merrexx III screw design?available in sizes from 1 to 10 inches with L/D ratios up to 44:1?reportedly allows barrier-type screws to function as they were originally intended to but never could to ...

A few simple tips for maintaining accurate, reliable ball screws. It's relatively simple to determine the lead accuracy of a ball screw before you buy it. Just ask the manufacturer and get a protocol.

A new barrier screw design incorporates a new type of melting mechanism in the barrier section that allows for high production rates and improved pressure stability. It also has removable dams that ...