Mechanisms — torque transmission

Recent Blogs

Clutch (form) diagram
Clutch (form)
How a form-locking clutch (dog clutch) engages with positive teeth to transmit torque without slip — used in gearboxes, PTOs, and lathe carriages.
Thompson Coupling (CV) diagram
Thompson Coupling (CV)
Thompson Coupling explained — a true constant-velocity coupling using paired Hooke joints and a control yoke to transmit torque at angles up to 25° without...
Magnetic Coupling diagram
Magnetic Coupling
Magnetic Coupling explained — how rare-earth magnets transmit torque through a sealed barrier in pumps, mixers, and subsea drives, with formulas and a worked example.
Hirth Joint diagram
Hirth Joint
Hirth joint explained: how the radial face teeth self-centre, transmit torque up to 25,000 Nm, and why aerospace turbines and machine tools rely on them.
Curvic Coupling diagram
Curvic Coupling
Curvic Coupling explained — how face-ground teeth self-centre rotor stacks in jet engines, gas turbines, and CNC indexing tables. Specs, formulas, examples.
Transmission of Rotary Motion diagram
Transmission of Rotary Motion
Transmission of rotary motion explained — how shafts, gears, belts and chains move torque between machines, with formulas, ratios and worked industrial examples.
Transmission of Power diagram
Transmission of Power
Transmission of power explained — how belts, gears, chains and shafts move torque from prime mover to load across industrial and mobile machinery.
Combination of Friction Gear diagram
Combination of Friction Gear
Combination of Friction Gear explained — how stacked friction wheels transmit torque without teeth, where it shines in textile, paper, and machine-tool drives.
Flexible Angular Coupling diagram
Flexible Angular Coupling
Flexible Angular Coupling explained: how it transmits torque between misaligned shafts, sizing math, real industrial examples, and selection tradeoffs.
Almond Angular Shaft Coupling diagram
Almond Angular Shaft Coupling
Almond Angular Shaft Coupling explained — how the lens-shaped sliding block transmits torque between intersecting shafts in instruments, robotics, and watch mechanisms.
Shaft Coupling diagram
Shaft Coupling
How a Shaft Coupling transmits torque between misaligned shafts in pumps, conveyors and CNC machines. Sizing math, worked example, and selection tradeoffs.
Angular Shaft Coupling diagram
Angular Shaft Coupling
Angular Shaft Coupling explained — how it transmits torque between misaligned shafts, where it fits in automotive driveshafts, robotics, and CNC builds.
Internal Worm-gear Wheel diagram
Internal Worm-gear Wheel
Internal Worm-gear Wheel explained — how the inverted worm geometry boosts torque density, where it fits in slewing drives, and how to size one for...
Friction Disc and Roller diagram
Friction Disc and Roller
Friction disc and roller drives transmit torque without gear teeth. Learn how they work, where they're used in industrial machinery, and how to size one.
Continuous Shaft Motion diagram
Continuous Shaft Motion
Continuous shaft motion drives conveyors, pumps, and fans by spinning a shaft at steady RPM. Learn the physics, formula, and design tradeoffs for real builds.
Continuous Rotary Motion diagram
Continuous Rotary Motion
Continuous rotary motion explained — how gears, shafts and motors deliver steady rotation, where it shows up in industry, plus formulas and a worked example.
Brush Wheels (friction) diagram
Brush Wheels (friction)
Brush wheels transmit torque through bristle friction — used in coin counters, currency sorters and conveyor cleaners. See specs, formulas and real builds.
Spline (mechanical) diagram
Spline (mechanical)
Spline shafts transmit torque while allowing axial slide. Learn the geometry, formulas, and real applications in automotive, aerospace, and CNC machinery.
Rigid Coupling diagram
Rigid Coupling
Rigid couplings join two shafts in perfect alignment to transmit torque without backlash. See sleeve, flange, and clamp types, sizing math, and real industrial uses.
Jaw Coupling diagram
Jaw Coupling
Jaw Coupling explained — how the spider element transmits torque, sizing math, and real applications across pumps, conveyors, and servo drives.
Gear Coupling diagram
Gear Coupling
Gear couplings transmit torque between misaligned shafts in heavy industry. Learn the geometry, sizing math, failure modes, and selection rules for pumps and mills.
Disc Coupling diagram
Disc Coupling
Disc Couplings transmit torque between misaligned shafts using flexing stainless steel discs. Used in pumps, turbines, and CNC drives — here's how to size one.
Diaphragm Coupling diagram
Diaphragm Coupling
Diaphragm couplings transmit torque between misaligned shafts using flexing metal discs. Used in turbines, compressors and pumps where gear couplings fail.
Beam Coupling diagram
Beam Coupling
Beam couplings transmit torque between misaligned shafts using helical cuts in a single piece of metal. How they work, sizing, and use in CNC and...
V-grooved Face Clutch diagram
V-grooved Face Clutch
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.