What Are Hydraulic Cylinders?

A hydraulic cylinder, also known as an actuator, is a simple mechanical actuator which is designed to provide a directional force over a single unidirectional stroke without the use of a moving object. It is used in a number of applications, especially in civil engineering, construction machinery, and industrial machinery. As well as being a versatile form of the actuator, it also enables you to use it in applications that are not strictly mechanical.

How It’s Made Hydraulic Cylinders

For example, hydraulic pistons are commonly used as a lubricant, but they can also be used for the same purpose in conjunction with an electric motor and a vacuum pump. In addition, there are a wide variety of other applications where hydraulic cylinders have become popular, such as on aircraft for air-braking, the suspension system on boats, watercraft and even some of the mechanisms used in some of our high-tech cars.

Hydraulic cylinders are very simple mechanical devices, composed of a piston, a pin, and a cam follower. The piston acts as a constant pressure element, while the cam follower acts as a bearing. As the piston moves along, the cam and the bearing move too. As each element moves, the force applied to the cylinder causes the force exerted to the cam and the bearing. Hydraulic cylinders are usually found on a large number of different types of machinery and other devices. For example, they can be found on construction cranes, lifts, and other similar heavy equipment.

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