Study of Pressure Compensation Variable Clearance Seal Hydraulic Cylinder

Shu Guang Fu; Ji Xian Deng; Shao Wei Lu

doi:10.4028/www.scientific.net/AMR.926-930.1417

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 926-930Study of Pressure Compensation Variable Clearance...

Study of Pressure Compensation Variable Clearance Seal Hydraulic Cylinder

Abstract:

Aimed at the characteristic that the leakage of constant clearance seal hydraulic cylinder increases with the pressure escalating, the paper proposed a kind of pressure compensation variable clearance seal hydraulic cylinder based on the metal elastic-plastic theory and the study of clearance seal. The paper analyzed the deformation mechanism and deduced the calculation formula of the deformation. It also had a simulation study of the deformation of the piston lip. By experiment, it gained the variation law of the leakage changing with the pressure changing. Test results showed that, the deformation of the piston can effectively decrease the leakage of the clearance.