Based on differences in friction characteristics, screws are primarily classified into three categories: sliding screws, rolling screws, and hydrostatic screws. Among these, rolling screws are widely ...

SP Group has been granted a patent for a motion conversion apparatus that converts rotational motion into reciprocating linear motion. The apparatus includes a rodrack assembly with guide members and ...

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 ...