Mechanisms — parallel motion linkage

Recent Blogs

Watt Parallel Motion diagram
Watt Parallel Motion Mechanism Explained: How It Works, Parts, Formula and Uses
Watt Parallel Motion explained — how James Watt's three-bar linkage guides a piston rod in a near-straight line for steam engines, indicators, and suspensions.
Parallel Ruler (form 6) diagram
Parallel Ruler (form 6) Mechanism Explained: Four-Bar Linkage Diagram, Parts, and Uses
Form 6 Parallel Ruler explained — how the four-bar linkage keeps the straightedge parallel during translation, with worked numbers for drafting and marine chart work.
Parallel Ruler (form 2) diagram
Parallel Ruler (form 2) Mechanism: How the Parallelogram Linkage Works, Parts, Diagram & Uses
Parallel Ruler form 2 explained — how the four-bar linkage holds true parallel motion across a drafting board, with formulas, tolerances, and worked examples.
Rack Gear Parallel Motion diagram
Rack Gear Parallel Motion: How It Works, Diagram, Parts, Uses, and Formula Explained
Rack gear parallel motion guides a steam piston rod in a straight line using a rack, pinion and counter-rack. See the geometry, math and a...