If the rated pressure of the system

If the rated pressure of the system has been determined, the system pressure shall be taken as the design pressure, and the working pressure of the oil cylinder shall be selected according to the maximum load according to table 5.1. It is a very important problem to select the appropriate working pressure, which shall be comprehensively considered from the aspects of structural size, economy, etc. The stability and reliability of the system required by low pressure and large flow can reduce the noise, but it can improve the canon and quality of the oil cylinder; On the other hand, too high pressure will cause complex sealing, and require high strength and rigidity of the cylinder, at the same time, it will lead to the disadvantage of torsion, which affects the large volume and low efficiency. For example, the advantage of high-precision manufacturing of the cylinder is that it can reduce the size of the cylinder. The rated pressure of hydraulic parts refers to the pressure that the hydraulic parts can work normally for a long time under the specified working conditions, also known as the nominal pressure. The value of design pressure of oil cylinder should be equal to the value of forehead top pressure.