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rolling mill cylinder Sold to Brazil

Release time:2023-11-12 14:24:46 Hits: Current position: Home > News

This article mainly introduces:

Brazil hydraulic cylinder,rolling mill cylinder manufacturer,rolling mill cylinder

Brazil rolling mill cylinder

(Brazil rolling mill cylinder,produced by Hebei Hengyu company)

rolling mill cylinder are widely used in Brazil,because of clever hydraulic energy conversion,simple structure and reliable operation,excellent temperature resistance.So our company has designed rolling mill cylinder for customers from Brazil.

Introduction to rolling mill cylinder:

The definition of the minimum starting pressure of the rolling mill cylinder refers to the minimum working pressure of the rolling mill cylinder in the no-load state, which is a comprehensive index reflecting the manufacturing and assembly accuracy of the rolling mill cylinder parts and the size of the sealing friction.

In use, the rolling mill cylinder should try to avoid the friction iron powder or iron filings formed by buffering the plunger. When the matching gap of the buffer device is small and the transverse load on the piston rod is large, the sintering phenomenon may be caused. These friction iron powder or the metal fragments that have fallen off as a result of sintering will remain in the rolling mill cylinder.

In order to ensure the service life of the rolling mill cylinder, the medium used must not be mixed with impurities and stolen goods, so as to avoid scratching the inner arm of the rolling mill cylinder, causing damage to the seal and causing leakage in the rolling mill cylinder. It is required that the filtration accuracy of the system is not less than 80μm, the oil pollution is strictly controlled, the hydraulic oil is kept clean, the performance of the hydraulic oil is regularly checked, and the necessary fine filtration or replacement of the new working hydraulic oil is carried out.

The commonly used buffer structure of the rolling mill cylinder is composed of a piston boss and a rolling mill cylinder head groove. When the piston moves close to the rolling mill cylinder head, it gradually enters the groove, and the oil in the groove is extruded through the gap between the boss and the groove, which increases the oil return resistance, produces the braking effect and realizes the buffer. Generally, a buffer mechanism should be used when the pressure is above 10MP.

Answers to some questions about rolling mill cylinder:

Why the cylinder cannot operate normally after the explosion-proof valve is installed?
The pipeline explosion-proof valve is specially designed to prevent pipeline damage and free fall of the cylinder, so there must be back pressure to open. If there is no oil return pressure, or the oil return pressure is too small, and can not adjust the oil return pressure, such a system with explosion-proof valves is more troublesome, it is recommended to add a one-way throttle valve between the cylinder and the tank to establish back pressure. If you understand the explosion-proof valve, you can also try to adjust the opening of the valve (that is, the flow of the regulating valve), and adjust the opening to help the valve to open.

Hydraulic cylinder performance requirements?
Hydraulic cylinder performance requirements: hydraulic cylinder is the hydraulic system to achieve energy transfer, conversion and control of the working medium, in addition, it is also responsible for the lubrication of the system, rust prevention, corrosion prevention and cooling. The performance of hydraulic oil will make the system flexible, accurate and reliable. Hydraulic performance requirements are determined according to the design parameters of the hydraulic system, operating conditions, the structure of the hydraulic pump and the working environment. Appropriate viscosity and good viscosion-temperature performance Viscosity is an important performance indicator of hydraulic pressure, which has an important impact on the smooth operation of the hydraulic system and the friction parts. The low temperature performance of hydraulic oil includes three aspects: low temperature flow, low temperature start-up and low temperature pumping.

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