In order to upgrade his Prusa i3, [Daniel] designed and printed his own z-axis carriages to use with the lead screw. If you have a Prusa i3 too, he’s uploaded the design files to Thingiverse .

The king of machine tools is the lathe, and if the king has a heart, it’s probably the leadscrew. That’s the bit that allows threading operations, arguably the most important job a lath… ...

Ok, I lied. This is more of a "do my math" request than a question. :p I'm working on a project that requires lifting a 10 lb load vertically using a lead screw (threaded shaft) and then lowering ...

The lead screw nut withstands temperatures from 32° to 122°F, but a high-temperature version is available that handles temperatures to 300°F. An FDA-compliant nut is also available.