Recent Blogs
Variable Sectional Motion: Two-interval Speed Comparison
Define two ideal speed intervals and compare their radius-derived speeds and angularly weighted average. The tool does not design sectional gears or transitions between speeds.
Elliptical Gear and Slotted Bar: Ideal Phase and Projection
Explore equal elliptical pitch curves with an illustrative slotted bar. Calculate ideal speed ratio and a separate cosine projection; actual bar motion and loads are...
Eccentric Crown Wheel and Pinion: Local Ratio Calculator
Explore an eccentric crown wheel and perpendicular pinion. Calculate a local ideal reduction ratio and lossless torque factor; complete tooth geometry and drive capacity are...
Sectional Spur Gear: Ideal Advance and Dwell Fractions
Explore toothed-sector engagement and a separate conceptual dwell lock. Compare ideal output advance and cycle fractions; engagement transitions and loads are not calculated.
Two-toothed Cam Pinion: Ideal Indexing-event Calculator
Compare ideal one-pitch indexing events from equally spaced effective teeth. Tooth contact, locking geometry and load capacity are not calculated.
Two-toothed Pinion: Ideal Intermittent Step Calculator
Explore an incomplete pinion and calculate ideal advance from active and driven tooth counts. The engagement slider changes illustrative timing only.
Differential Worm Wheels: Ideal Relative Rotation Calculator
Compare ideal relative motion of two coaxial worm-wheel sections with different tooth counts. The calculation does not establish tooth contact, torque or manufacturing feasibility.
Two-velocity Gears on One Shaft: Alternative Speed Comparison
Compare two selectable ideal gear paths to one output shaft. Check their ratios and the tooth-count condition for a shared center distance at common module.
Three-part Worm Screw: Ideal Synchronized Chuck Motion
Explore Hiscox’s three-part worm screw driving three chuck branches. Calculate ideal screw-gear rotation and equal jaw travel from entered ratios and lead.
Stop Roller Motion: Heart-slot Mechanism and Cycle Travel
Explore Hiscox movement 967, with its heart slot, roller stud and pawl. Calculate completed-cycle angular travel; phase timing is illustrative.
Step Gearing (continuous Bearing Teeth) Mechanism: How It Works, Parts, Diagram & Industrial Uses
Step Gearing with continuous bearing teeth replaces sliding gear teeth with rolling pins for high-load drives in mining, marine and heavy industry gearboxes.
Spur Gears Mechanism Explained: How They Work, Parts, Diagram, Formula and Uses
Explore spur-gear motion and compare tooth-count ratios, output speed and ideal torque multiplication, with reference dimensions and a worked 5:1 example.
Spur Gear Train Mechanism: How It Works, Diagram, Formula and Calculator
How a Spur Gear Train works, the speed and torque math, real applications in machine tools, and the trade-offs versus helical and planetary alternatives.
Spiral Stop-motion Gear Mechanism: How It Works, Diagram, Formula and Indexing Uses Explained
Spiral stop-motion gear converts continuous input into precise stepped rotation for indexing turrets, watch movements, and automated assembly machinery.
Spiral Hoop Gear Mechanism Explained: Helical Girth Ring, Pinion Drive, Diagram and Calculator
Spiral Hoop Gear explained — how the helical ring meshes with a pinion to drive heavy rotary loads in mining mills, kilns, and turntable lathes.
Slow Forward and Quick Back Circular Motion: How the Elliptical Gear Quick-Return Mechanism Works
Slow forward and quick back circular motion explained — how elliptical gear pairs deliver a working stroke and rapid return in shapers, presses and packaging...
Sector Pinion and Double Rack Mechanism: How It Works, Parts, Formula, and Uses Explained
Sector Pinion and Double Rack converts oscillating rotary input into reciprocating linear motion. Learn the geometry, sizing math, and real machine-tool uses.
Scroll Gear Mechanism Explained: How Spiral Pitch Curves Create Variable Gear Ratios
Scroll Gear explained — how a spiral-profile gear delivers gradually increasing speed or torque, with formulas, real industrial uses, and design tradeoffs.
Sawmill Feed Mechanism: How Cable, Rack-and-Pinion, and Hydraulic Feed Works Drive the Carriage
Sawmill feed drives push logs into the headsaw at controlled rates. Learn the gearing, feed-speed math, and real applications in lumber milling.
Saw-tooth Worm Gear Mechanism: How It Works, Diagram, Self-Locking Formula & Calculator
See a concave saw-tooth worm and wheel, and compare ideal forward and reverse friction models using selected lead and flank angles.
Rotary Motion Mechanism: How It Works, Diagram, Formula, Parts and Industrial Uses Explained
Rotary Motion explained — how shafts, gears and bearings turn torque into useful work across machine tools, robotics, conveyors and motorsport drivetrains.
Rolling-contact Gears with Forked Catch: How the Mechanism Works, Parts and Indexing Uses Explained
How rolling-contact gears with a forked catch deliver intermittent indexing motion in packaging, textile and assembly machines — function, formula, worked example.
Roller-bearing Gear Teeth Mechanism: How It Works, Parts, Formula, and Industrial Uses Explained
Roller-bearing gear teeth replace sliding tooth contact with rolling pins for low-friction indexing in robotics, packaging, and precision rotary tables.
Right- and Left-hand Worm Gear Mechanism: How It Works, Diagram, Parts and Uses Explained
Right- and left-hand worm gears explained — handedness rules, lead angle, self-locking behaviour, and worked sizing example for a marine winch drive.
Revolution of a Pinion: Rack Travel, Speed and Tooth-Passage Calculator
Calculate how far a straight rack travels per pinion revolution, plus ideal rack speed and tooth-passage frequency, from module, tooth count and RPM.