Does the Wikipedia article help?Sarahborg said:
A hydraulic machine works by using the principle of pressure transmitted through a confined fluid. It typically consists of two pistons connected by a tube filled with an incompressible fluid, such as oil or water. When force is applied to one piston, it creates pressure in the fluid, which then transfers the force to the other piston, resulting in movement.
The hydraulic fluid is essential for the functioning of a hydraulic machine as it is responsible for transmitting the force from one piston to the other. It also helps to lubricate the moving parts and prevent corrosion within the machine.
The size of the pistons plays a crucial role in the operation of a hydraulic machine. The larger the piston, the greater the force that can be transmitted through the fluid. This allows for a more powerful and efficient machine.
There are several advantages to using a hydraulic machine. They can generate a large amount of force with relatively little input force, making them highly efficient. They also have a smooth and precise operation, can be easily controlled, and require minimal maintenance.
Hydraulic machines have a wide range of applications, including heavy equipment such as cranes, bulldozers, and forklifts. They are also used in manufacturing processes, such as in presses and injection molding machines. In addition, hydraulic systems are commonly found in aircraft, automobiles, and elevators.