Planetary roller screws are emerging as a critical—and costly—component in next-gen robots. China is racing ahead in ...

A 12V linear actuator consists of a motor, gearbox, actuator rod, and lead screw. When powered, the motor rotates the gearbox, which drives the lead screw to extend or retract the actuator rod. This ...

Keen-eyed readers will recall [Andy]’s recent scratch-built ball screw build, in service of some top-secret, hush-hush project related to world domination and total subjugation of humanity.