On the possibilities of reducing the intensity of the impact at the end of the race in the case of drive with hydraulic cylinders

Résumé

Increasing speeds has led to an increase in the intensity of the impact between piston and cylinder body at the end of the race. Hence, there aroused a need for reducing mobile assembly speed before the impact starts. This paper tries to explain why only the cylinder equipped with hydraulic cushioning system at the end of the race is not satisfactory for carrying out cushioning. In fact, cushioning is based on the reduction of flow with replenished active room of the hydraulic cylinder. The main factors on which depends the cushioning process are: hydraulic power system, kinematics of the actuated mechanism and the geometry of the cushioning system placed inside the hydraulic cylinder. To develop a cushioning system without taking into account all these factors is not therefore possible.