Fluid Power Journal

Out Riggers Locked-up on Digger Derrick Truck

A power and light company’s Digger Derrick crew was assigned to drill several holes for power poles in an industrial complex. They arrived around 9 a.m. on a …

Problem: Sheet Metal Shear

This month’s problem is to convert a manually operated sheet metal shear to operate on pneumatics. Looking at the diagram, you will see the placement of the …

Problem: Standard Size Cylinder

The figure shows a door to open with an air cylinder pushing at a 45-degree angle. The door is 48 inches high and weighs 100 pounds. It needs to open 90 …

Problem: Size An Accumulator

Size an accumulator that will supply the total flow to a cylinder for one cycle in and out. Give the answer in gallons. Given information: 4″ x 20″ …

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