Recent Blogs
Oldham Coupling
Oldham Coupling explained — how the 3-disc design handles parallel shaft misalignment in servo drives, encoders, and CNC retrofits. Sizing formula and worked example.
Bellows Coupling
Bellows couplings transmit torque between misaligned shafts in CNC and servo systems. Learn how they work, sizing math, failure modes, and selection tradeoffs.
Grooved Friction Gearing
Grooved Friction Gearing transmits power between shafts using V-shaped grooves that wedge together. Used in textile drives, light machinery, and precision feeds.
Universal Angle Coupling
Universal Angle Coupling explained — how Cardan joints transmit torque through misaligned shafts, with formulas, applications, and design tradeoffs for drive engineers.
Flexible Angular Coupling
Flexible Angular Coupling explained: how it transmits torque between misaligned shafts, sizing math, real industrial examples, and selection tradeoffs.
Shaft Coupling
How a Shaft Coupling transmits torque between misaligned shafts in pumps, conveyors and CNC machines. Sizing math, worked example, and selection tradeoffs.
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.
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.
Grid Coupling
Grid Coupling explained — how the serpentine spring grid transmits torque, dampens shock, and protects pumps, fans, and conveyors in heavy industry.
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
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
Diaphragm couplings transmit torque between misaligned shafts using flexing metal discs. Used in turbines, compressors and pumps where gear couplings fail.
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...
Goubet's Universal Shaft Coupling
Goubet's Universal Shaft Coupling explained — how the double-jaw design transmits torque between misaligned mill shafts, with formulas and a paper mill worked example.
Flexible Link Coupling
Flexible Link Coupling explained — how the link plates absorb misalignment, sizing torque, and where industrial drives use them. Engineering guide from FIRGELLI.
Ball Socket Universal Joints
Ball Socket Universal Joints transmit rotary motion through misaligned shafts in factory drives, agricultural PTOs, and steering columns. Specs, formulas, and examples.