Screw machines are specialized automated metalworking lathes that were first developed in Switzerland during the late 1800s to produce large numbers of identical parts such as screws. At that time, ...

HOW DOES THE CHOICE OF A BALLSCREW OR LEAD SCREW AFFECT PRODUCTIVITY IN A MOTION-CENTRIC AUTOMATION ENVIRONMENT? Woody • THK: Ballscrew technology allows balls to roll between the screw shaft and the ...

Here’s a little engineering quiz for you: If an app needs to move a 500 kN axial load along a 1,500 mm stroke, is it best to use a roller screw or ball screw? If you instinctively said roller screw, ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

While single-screw extruders perform the lion’s share of recycling applications, twin-screw machines have a lot to offer recyclers—especially when the goal is a higher-value end product. Are ...