Recent Blogs
Variable Crank (spiral and Radial Slots) Mechanism: How It Works, Parts, Diagram, and Uses
Variable Crank with spiral and radial slots lets you adjust stroke length on the fly. Learn how it works, formulas, and real industrial uses.
Slotted Cross-head with Sliding Journal Box: How It Works, Diagram, Parts, Formula and Uses Explained
Slotted cross-head with sliding journal box explained — how the slider-crank variant works, sizing formula, worked example, and real machine applications.
Slider-crank Linkage Mechanism: How It Works, Diagram, Formula, Parts, and Real-World Uses
Slider-crank Linkage explained: how it converts rotation to linear motion, real engine and pump examples, sizing math, and tolerance rules from FIRGELLI engineers.
Combination Disk-and-arm Reciprocator Mechanism: How It Works, Parts, Formula and Uses
How a combination disk-and-arm reciprocator converts rotary motion into asymmetric linear strokes for packaging, textile, and printing machines.