Mechanisms — piston rod alignment

Recent Blogs

Steam Engine Guides (form 4) diagram
Steam Engine Guides (form 4): How Four-Bar Crosshead Guides Work, Parts & Slipper Pressure
Steam engine guides (form 4) keep the crosshead aligned and absorb piston-rod side thrust. Learn the geometry, loading limits, and heritage engineering use.
Steam Engine Guides (form 2) diagram
Steam Engine Guides (form 2): How Form-2 Bar Guides Work, Parts, Side Thrust & PV Loading
Steam engine crosshead guides keep the piston rod dead straight under thrust. Learn slipper geometry, rubbing speeds and clearance limits for heritage engines.
Steam Engine Guides (form 1) diagram
Steam Engine Guides (form 1): Crosshead Mechanism, Slipper Diagram, Side-Thrust Formula Explained
Steam engine guides keep the crosshead aligned with the cylinder bore. Learn how slipper, bar and 4-bar guides work, with sizing math and worked examples.
Cross-head Slide diagram
Cross-head Slide Mechanism: How It Works, Parts, Diagram, and Side-Thrust Calculator
Cross-head slide explained — how it converts piston thrust to rotary motion in steam engines, sizing rules, wear limits, and real heritage engine examples.