The speed ratio of a hydraulic cylinder refers to the ratio of the volume of liquid per unit time that the same flow enters the hydraulic cylinder, and the speed at which the piston rod extends and retracts. The calculation is equal to the inverse ratio of the large cavity area to the small cavity area of the cylinder. The speed ratio is related to the cylinder bore and rod diameter of the cylinder. 1. The cylinder bore is the diameter of the cylinder, and the stroke (stroke) is the distance between the top dead center and the bottom dead center of the piston stroke. 2. Rod diameter is the diameter of the connecting rod inside the hydraulic cylinder.
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