Wisconsin engineer Tim Lexen built and designed the rover. At its heart is a flat triangular PVC main body (measuring about 7 inches/17.8 cm per side) that houses three electric servo motors, battery ...

When mines extract oil or ore from other materials, they often generate liquid waste known as tailings. This waste is stored in tailings ponds, which have to be continuously monitored – and that's ...

Determining the service or useful life of screw actuators – lead (acme), ball, and roller screws is a fundamental problem that faces many motion-system designers. In a broad sense, a screw’s service ...

Wheels and tracks are common choices for robot propulsion, but they’re not the only game in town. You can do some nifty things with long extruded screws , and they work pretty well in soft terrain.

[REDNIC79] lives somewhere in Canada where key terrain features include mud and snow. Half pontoon boat, half auger, screw-propelled vehicles excel in this kind of terrain as long as you’re okay with ...

The task of driving screws improved exponentially about 30 years ago with the advent of the battery-powered cordless drill/driver. Today, the ubiquitous drill/driver is the go-to tool for virtually ...

Ball screw drive systems are pivotal in modern machine tools, providing the precise conversion of rotary motion into linear movement. Their high stiffness and efficiency render them essential in ...