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Constant Filling Fluid Coupling

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YOX400 Hydraulic Coupling Factory

YOX400 Hydraulic Coupling Factory

Selection of transmission working oil in hydraulic coupler When choosing working oil for hydraulic coupler, its density, viscosity and freezing point are considered. 1) due to the ability of hydraulic transmission power is proportional to the working fluid density, so the density is bigger, the...

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Selection of transmission working oil in hydraulic coupler

When choosing working oil for hydraulic coupler, its density, viscosity and freezing point are considered.

1) due to the ability of hydraulic transmission power is proportional to the working fluid density, so the density is bigger, the better for hydraulic transmission, commonly used in mineral oil as the main work of liquid density generally is 840 ~ 860 kg/m3.

2) the viscosity of working oil should not be too low, otherwise, the lubricating oil film is not easy to form, which is detrimental to the lubrication of bearing and gear.

There are several requirements for hydraulic coupling transmission working oil in operation:

1) for all the suspended substance does not dissolve in solvents such as dust, at the end of the metal, coking content of mechanical impurities, mechanical impurities can accelerate parts, bearing wear and blocked oil screen and pipeline, should strictly control the content.

2) the ability not to form foam is called foaming property, and the damage caused by foaming in hydraulic transmission elements is very great, which must be paid attention to.

3) the oil is not allowed to contain moisture and corrode metal.

Hydraulic transmission oil should contain less than 0.2% water.

4) the quality of the working liquid deteriorates after oxidation, and the acid and carbide colloidal sediments are generated. The anti-oxidation stability is required to be over 1000h.

Company: Xinxiang Jintian Hydraulic Transmission Co., Ltd.

Email: xinxiangjintian_01@163.com

TEL: +86-15333730038

FAX: +86-373-3716632

WeChat: xxjt01

QQ:2650070252

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