Lead screws and ACME screws are used to drive a nut in linear motion via direct contact between the screw and the nut. Lead screws usually incorporate proprietary screw and nut geometries and ...

Most inexpensive 3D printers use a type of lead screw to move some part of the printer in the vertical direction. A motor turns a threaded rod and that causes a nut to go up or down. The printer ...

which moves them axially with the angled threads of the nut and screw. The rollers shift up and down by one lead of thread after an orbit. After a roller completes an orbit, the nut is released into a ...