Fluid Power Journal

Problem: Calculate Cylinder Size

Think you know the answer? Submit by e-mail to jhoffman@ifps.org This teaser is printed in the Fluid Power Journal. Those who submit the correct answer before …

Problem: Calculate SCFM

Calculate SCFM: 50 Pound Spring 2″ Diameter Cylinder 6″ Stroke 1 Second to Extend 1 Second to Retract No Dwell Time Hose is 3/8″ diameter and …

Cylinder Speeds Up On Its Own

An aluminum mill has a system that pushes a large aluminum ingot from one conveyor to another. The operator complained that the pushing speed kept increasing …

Pneumatic Cylinder ISO Standards

Let’s start with a little background on the ISO committees. ISO TC131 is the committee responsible for fluid power. One of the groups underneath TC131 is …

Walking Beam Cylinder Drifting Up

A processing plant in Pakistan had a walking-beam system that would move coils of finished product to shipping for processing. Several “pot-belly” …

Displacement Cylinders vs. Regeneration Circuits

When a cylinder with a long stroke is required, there are additional design considerations. Long-stroke cylinders are subject to compression stresses like any …

The Negative Effects of Over-Pressurization

Power transmission in a hydraulic system is a product of flow and pressure. It follows that the power rating of a hydraulic pump or actuator is a product of …

Problem: Cylinder Retraction

Neglecting pilot line sizes, approximately how many seconds after pushing the start button will the cylinder start to retract? This teaser is printed in the …

Aerated Oil on a Log Splitter

I loaned my log splitter to a friend whose tree fell after a storm. The tree was a blue spruce evergreen about 30-ft. tall. It surprised me that the tree’s …

Cylinder Sensing Without Rod Drilling

Rota Hall-effect linear sensors in the mobile materials-handling industry offer solutions for all cylinder types. Cranes, telehandlers, forklifts, or …

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