Recent Blogs
Watch-winding Stop (form 2)
Watch-winding stop form 2 explained: how the geared stop-finger limits mainspring winding turns, design rules, and worked example for horology builds.
Tappet-and-stud Counter Wheel
Tappet-and-stud counter wheels track revolutions on industrial machines using a cam-driven stud advancing a notched wheel — sizing, tolerances, and worked example.
Tappet Stud and Ratchet for Revolution Counter
How a tappet stud and ratchet revolution counter works — the once-per-rev pin advances a count wheel one tooth, used on machine tools, meters, and...
Single-tooth Small Wheel to Large Intermittent
How a single-tooth driver indexes a large count wheel one notch per revolution — geometry, sizing math, and a worked sawmill tally counter example.
Single-tooth Small Driver, Lock by Rim
Single-tooth small driver with rim lock: how this intermittent counter wheel indexes one notch per input revolution, with formulas, examples, and trade-offs.
Single-tooth Driving Wheel and Notched Wheel
How a single-tooth driving wheel and notched wheel produce 1-step-per-revolution intermittent motion for counters, score reels, and dispensers — with formulas and worked examples.
Crown-ratchet (rag-wheel)
How a crown-ratchet (rag wheel) delivers one-way intermittent motion in clocks, capstans, and counters — geometry, sizing math, and a worked design example.
Star-wheel Escapement
Star-wheel escapement explained: how the mechanism gates impulse in clockwork, the geometry, real workshop examples, formulas, and design tradeoffs.