Another type of roller screw—the inverted planetary roller screw—operates in much the same way as standard roller screws, except the functions of the nut and screw are reversed and the rollers ...

The new 5-in.-frame GSX Series actuator now comes with a highly efficient segmented motor-design stator called T-Lam.

Tesla’s Optimus uses four planetary roller screws in its calves, and they’re also used by Figure AI, Agility, 1X, and the majority of China’s humanoid robot manufacturers.

Planetary roller screw mechanisms (PRSMs) are advanced mechanical devices that convert rotational motion into precise linear displacement. Their design capitalises on an array of rolling elements ...

Recently, Shanghai Beite Technology announced a $260 million investment to build a planetary roller screw production base. Meanwhile, several new humanoid robots are being launched in China.

Planetary roller screws are emerging as a critical—and costly—component in next-gen robots. China is racing ahead in controlling their supply. The humanoid robotics revolution is just around ...