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 ...

Planetary roller screws provide significant benefits over other screw-type actuators in terms of performance, load capacity, duty cycle, and lifetime. Traditionally, however, those benefits have come ...

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.

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 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 ...

If you've ever mistakenly grabbed the Phillips head screwdriver when you needed a flat head, you've probably asked yourself why there are different types of screws. Let's start at the beginning. The ...

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 ...