Detailed introduction and working principle of hydraulic cylinder-Shenlu Hydraulic

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Detailed introduction and working principle of hydraulic cylinder

Release time:

2025-05-17

As an important actuator in the hydraulic system, the hydraulic cylinder is widely used in many fields such as engineering machinery, metallurgical equipment, shipbuilding and automated production lines. Its core components include cylinder barrel, cylinder head, piston, piston rod and sealing device.

During the working process, the hydraulic cylinder converts the pressure energy of the hydraulic oil into mechanical energy to achieve reciprocating linear motion or swinging motion. When the high-pressure oil enters the rodless chamber or rod chamber of the cylinder through the oil inlet, the pressure of the oil acts on the effective action area of the piston, pushing the piston and piston rod outward to complete the working stroke. On the contrary, when the return oil channel is opened and the oil in the cylinder flows out through the return oil port, the piston and piston rod return to the initial position under the action of the load or spring force to complete the reset stroke.

This process relies on a precise sealing structure to ensure the sealing of the oil and the stability of the system. At the same time, the design and material selection of the hydraulic cylinder also need to consider factors such as its working environment, load size, movement speed and service life to ensure its reliable operation.

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