Mechanisms — machine shop

Recent Blogs

Two-speed Transmission via Four Pulleys diagram
Two-speed Transmission via Four Pulleys: How Step Pulley Belt Drives Work, Diagram & Calculator
How a Two-speed Transmission via Four Pulleys works, with belt-shift sequence, ratio math, and a worked lathe example. Used in machine shops worldwide.
Two-speed Transmission with Three Pulleys diagram
Two-speed Transmission with Three Pulleys: How It Works, Parts, Formula, and Uses Explained
How a two-speed transmission with three pulleys works, with belt-shifting mechanics, ratio math, and a worked example from a small machine shop drill press.