Stribeck Curves in Pneumatics: Analyzing Friction Regimes in Cylinder SealsLearn how to measure and interpret Stribeck-type friction maps for pneumatic cylinder seals without relying on universal friction coefficients or regime thresholds.→Blog Author
Jack Chen
Hello, I'm Jack, a Bepto Pneumatic pneumatics engineer. I help review cylinder sizing, rodless replacement details, stroke, guides, mounting, seals, and load direction.
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Articles by Jack Chen
179 articles sorted newest first for readers who want one author's pneumatic selection notes in one place.
Fluid Viscosity at Low Temperatures: Impact on Cylinder Response TimeLearn why air viscosity falls about 11% from +20°C to -20°C, what really delays cold cylinders, and how to test seals, air, valves, pressure, and motion.→
Hydrodynamic Lubrication: When Do Cylinder Seals “Hydroplane”?One pneumatic-cylinder study found piston seals produced about 90% of measured friction; learn why speed alone cannot predict seal hydroplaning reliably.→
Quantifying Stick-Slip: The Science Behind “Stuttering” Motion in CylindersA 2026 three-cylinder study synchronized position, velocity, and chamber pressure. Learn to quantify stick-slip without a universal SSI threshold.→
Friction Force Calculation: Static vs. Dynamic Coefficients in Large BoresMeasure static breakaway and dynamic running friction in large-bore pneumatic cylinders using synchronized port pressures, effective piston areas, dwell time, and a defined running window.→
The Physics of Air Compressibility: Why Pneumatic Cylinders Experience “Bounce”Learn why cylinder speed, trapped air, cushioning, friction, and control tuning cause pneumatic cylinder bounce, plus how to diagnose and stop it.→
Analyzing Choked Flow Phenomena in High-Speed Cylinder PortsIdeal dry air chokes near p2/p1 = 0.528. Learn to measure cylinder-port pressure, locate restrictions, and verify flow for high-speed strokes.→
What Are Opposing Loads in Pneumatic Systems: The Hidden Force That’s Costing You Money?Identify opposing loads in pneumatic systems, build a directional force budget, and size cylinder thrust without relying on fixed pressure percentages.→
Assisting Loads vs. Opposing Loads in Pneumatics: Which Configuration Maximizes Your System Efficiency?Compare assisting and opposing pneumatic loads using two-chamber force balance, vertical-axis examples, pressure checks, and safe motion-control rules.→