Method of selecting hydraulic oil for four column hydraulic press

Method of selecting hydraulic oil for four column hydraulic press

1、 How to choose hydraulic oil for four column hydraulic press?

After determining some characteristics of the oil used, such as viscosity, density, vapor pressure, air solubility, bulk modulus, combustion resistance, temperature boundary, pressure boundary, lubricity and compatibility, after selecting or equipping the hydraulic oil according to certain requirements, it can not be assumed that all the questions about the working medium of the hydraulic system have been dealt with. In fact, if the oil is not used properly, it will still make the oil Having a change in the nature of a liquid. For example, it is usually assumed that the viscosity of the oil at a certain temperature and pressure is a certain value, which is independent of the active state. In fact, after the oil is excessively sheared, the viscosity will be significantly reduced.

2、 In order to ensure the stability of four column hydraulic press, under the condition of using hydraulic oil

As for the hydraulic oil used for a long time, oxidation and thermal stability are the key factors to determine the temperature boundary. Therefore, the hydraulic oil should be kept at a temperature lower than its initial oxidation for a long time. During the process of storage, transfer and filling, the oil should be free from contamination. The oil should be sampled and inspected regularly, and the oil change criteria should be established. The oil storage in the oil tank should be sufficient for the hydraulic pressure The heat dissipation of the system should adhere to the sealing of the system. Once there is leakage, it will be cleaned up immediately.

Zaozhuang Make Machinery Co., Ltd. produces four column hydraulic press with simple operation and stable structure, including HP-100F,HP-150F,HP-200F, etc. welcome new and old customers to consult!