Mechanisms — FIRGELLI mechanisms

Recent Blogs

Stud-and-hole Clutch-box diagram
Stud-and-hole Clutch-box Mechanism Explained: How It Works, Parts, Formula, Diagram and Uses
Stud-and-hole clutch-box explained: how the engagement studs lock into mating holes, sizing math, real machine examples, and failure modes for industrial drives.
Cam-wheel with Profile Rim diagram
Cam-wheel with Profile Rim Mechanism: How It Works, Parts, Diagram and Industrial Uses Explained
Cam-wheel with profile rim explained — how the contoured edge drives a follower, sizing math, and named examples from textile, packaging, and automation lines.
Reciprocating-rack Crank Substitute diagram
Reciprocating-rack Crank Substitute Mechanism Explained: How It Works, Parts, Formula and Uses
How a reciprocating-rack crank substitute converts rotary input into linear back-and-forth motion. Real formulas, sizing examples, and packaging line uses.
Three Crank Link diagram
Three Crank Link Mechanism: How It Works, Parts, Diagram, and Uses in Power Transmission
Three Crank Linkage explained — how three coupled cranks transmit power across offset shafts in printing presses, looms, and agricultural drives.
Spiral Gearing diagram
Spiral Gearing Mechanism Explained: How It Works, Parts, Spiral Bevel and Hypoid Gear Uses
Spiral gearing transmits power between non-parallel shafts with curved teeth. Learn how it works, the formulas, and where it shows up in real machinery.
Belting to a Shaft at Any Angle diagram
Belting to a Shaft at Any Angle: How Quarter-Turn Belt Drives Work, Geometry and Crown Rules
Belting power transmission to a shaft at any angle — how skewed-axis belt drives work, pulley alignment rules, and worked examples for industrial drives.
Equalizing Tension Spring and Lever diagram
Equalizing Tension Spring and Lever Mechanism: How It Works, Parts, Formula, and Uses Explained
How an equalizing tension spring and lever balances variable loads in textile, cable, and tape machinery — with formulas, worked examples, and design rules.
Three-part Worm Screw diagram
Three-part Worm Screw Mechanism: How Split Anti-Backlash Worm Drives Work, Parts & Uses Explained
Three-part worm screw drives in heavy industry — how the split-thread design eliminates backlash, kills wear, and holds load on hoists, presses, and valve actuators.
Oblique-shaft Gears (form 2) diagram
Oblique-shaft Gears (form 2) Explained: Mechanism, Diagram, Parts, Formula and Uses
Oblique-shaft gears (form 2) transmit motion between non-parallel, non-intersecting shafts. See how they work, sizing math, and real industrial uses.
Click-driven Cog-wheel Feed diagram
Click-driven Cog-wheel Feed Mechanism: How It Works, Parts, Formula and Indexing Uses Explained
Click-driven cog-wheel feed explained — how the pawl indexes the gear one tooth per stroke, where it's used in printing and feeders, plus a worked...
Worm Gear diagram
Worm Gear Mechanism Explained: How It Works, Parts, Reduction Ratio Formula and Uses
Worm Gear explained: how the worm and wheel mesh, gear ratio math, self-locking behaviour, and real industrial uses in conveyors, hoists, and gate openers.
V-grooved Face Clutch diagram
V-grooved Face Clutch Mechanism: How It Works, Diagram, Formula, Parts, and Uses Explained
How a V-grooved Face Clutch transmits torque through wedged radial teeth — design rules, formulas, and real examples from machine tool and mill drive engineering.