How to Increase the Extension and Retraction Speed of Hydraulic Cylinders?
1 Answers
Here are the relevant introductions to increase the extension and retraction speed of hydraulic cylinders: 1. Replace the piston: The movement speed of a hydraulic cylinder is the ratio of the flow rate entering the cylinder to the effective area of the piston. Due to leakage, the actual flow rate pushing the piston decreases, thus reducing the cylinder's movement speed. At this time, the piston should be replaced to ensure a reasonable gap between the piston and the cylinder barrel. If the piston seal ring is damaged, it should be replaced with a new one. 2. Replace the directional valve: Severe internal leakage in the directional valve occurs because the sealing relies on the gap between the valve core and the valve hole. Various reasons cause the gap between the valve core and the valve hole to increase, allowing the pressure oil from the pump to flow from the high-pressure chamber to the low-pressure chamber through the internal annular gap after entering the directional valve, significantly reducing the oil flow rate through the directional valve. As a result, the flow rate entering the hydraulic cylinder decreases. Therefore, users need to replace the directional valve.