Recent Blogs
Screw-cutting Variable Pitch Mechanism Explained: How It Works, Diagram, Formula and CNC Uses
Screw-cutting with variable pitch lets machinists generate threads whose lead changes along the axis. Learn the lathe gearing, math, and applications.
Reverse-thread Cylinder Reciprocator Mechanism: How It Works, Diagram, Parts and Uses
See how opposite-hand grooves produce back-and-forth travel from continuous rotation. Calculate ideal axial speed and travel time from pitch, rpm and stroke.
Self-reversing Motion Contrivance: How It Works, Diagram, Parts, and Traverse Speed Formula
How a self-reversing motion contrivance converts continuous rotation into reciprocating linear traverse — used on level-wind reels, winders, and lathes.
Scotch Yoke Engine Mechanism: How It Works, Diagram, Parts, Formula and Real-World Uses Explained
Scotch Yoke Engine explained — pure sinusoidal piston motion, no connecting rod, used in compressors, pumps, and Bourke-style aero engines. Specs and tradeoffs.
Curved Cone Pulleys Mechanism: How It Works, Parts, Formula, and Uses Explained
Explore opposed curved cone pulleys and calculate speed ratio, output speed, driver surface speed and ideal torque ratio at one selected belt station.
Rotary Engine (form 5) Mechanism: How It Works, Parts, Formula, and Heritage Steam Uses Explained
Rotary Engine Form 5 explained — how the abutment-and-piston layout converts steam pressure to shaft torque, with worked numbers for heritage mill drives.
Rotary Engine (form 1) Mechanism: How a Single-Vane Steam Rotary Works, Parts and Uses Explained
Rotary Engine form 1 explained — how a single-vane steam rotary engine produces torque, where it fits in heritage power plant, and how to size...
Grooved Friction Gearing: V-Groove Force Calculator | FIRGELLI
Resolve normal force on each flank of a symmetric V-groove from radial load and half-angle. Includes a worked example and clear limits on traction and...
Repsold Rotary Pump: Historical Principle and Rotation Calculator
Explore the historical Repsold sector-pump principle with a simplified opposite-rotation illustration. Compare display period, radius ratio and radial difference.
Chain Pump Mechanism Explained: How It Works, Diagram, Parts, Formula and Uses
See discs on an endless chain lift water through a riser. Estimate swept flow, delivered flow and hydraulic output power with a stated volumetric-efficiency assumption.