In this video you will see a hydraulic cylinder being assembled and then mounted on to a rail. Then it will demonstrate the linear motion that the hydraulic fluid will produce when it is actuated. The video clearly shows that a cylinder is made of several different metal components, but it doesn’t show how these components are sealed together using o-rings. Without these o-rings the components would not seal properly together and hydraulic fluid would leak out everywhere.
The mounting to the rail will allow the cylinder to lift something that is in front of it that might be standing vertical to a horizontal position above it. The video then goes on to show you a cut out of the cylinder while it is in motion. This part illustrates how the hydraulic fluid would be pushed against the plunger. The rod attached to the plunger would then be pushed out of the cylinder to create the linear motion to move whatever is attached to the cylinder. The way the cylinder is mounted onto the rail creates longer linear motion from the cylinder because it is also in motion. This allows you to use a smaller cylinder to get the same amount of work done.
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