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Factors rubber O-ring dimensional tolerances
In the dynamic sealing applications, taking into account the size of the tolerance factor for the same inner diameter d1, it is recommended to use a larger cross-sectional diameter. In static sealing applications, use a larger cross-sectional diameter than use a smaller cross-sectional diameter of more secure and reliable. Select the inner diameter d1 principle of rubber O-rings. Selection principles rubber O-ring inner diameter d1 refer to the article 1.3 and 1.9 of the relevant content. The following recommended data in Table 1, the reference for selecting the size of the rubber. [View Details]
Factors rubber O-ring dimensional tolerances
In the dynamic sealing applications, taking into account the size of the tolerance factor for the same inner diameter d1, it is recommended to use a larger cross-sectional diameter. In static sealing applications, use a larger cross-sectional diameter than use a smaller cross-sectional diameter of more secure and reliable. Select the inner diameter d1 principle of rubber O-rings. Selection principles rubber O-ring inner diameter d1 refer to the article 1.3 and 1.9 of the relevant content. The following recommended data in Table 1, the reference for selecting the size of the rubber. [View Details]
Automotive rubber seals rubber seals
Cars with a variety of high-pressure seals gradually adopt special rubber, rubber to meet the higher performance requirements of many of the parts used in automobiles, and play different roles in automotive systems, such as tape for motion transmission, rubber seals for supporting radial reciprocating or moving parts, rubber seals and O-ring for sealing oil or fuel hoses used to transport liquid or gas, the diaphragm for controlling fluid or gas. Different uses of rubber used in the kind of performance requirements are also different. To be selected according to the material fire retardancy, heat resistance and low temperature flexibility and sealing ability. Sometimes, the same device may also use different materials, depending on the type of application design requirements temperature, fuel and oil as well as cars. [View Details]
Air conditioning system rubber seals
When the refrigerant CFC12, inner plastic hose for the NBR, the outer layer of glue as CR. Now refrigerant and oil produced a change requires the use of better materials, and hose made of two layers into three layers. The inner layer having a high heat resistance and low permeability, the intermediate layer having a low permeability, the outer layer having a high heat resistance and weather resistance. Hose currently in use for the PA and EPDM blends, IIR and EPDM or modified PA blends, IIR and chlorinated IIR (CIIR) three hose. [View Details]
Fuel system and the diaphragm rubber products
Rubber diaphragm fuel pump carburetor system is typical fuel pump structure. Diaphragm to withstand thermal impact generated by the engine, and therefore requires not only has good durability in gasoline, and must have a high heat resistance. Materials have been used are NBR and PB, has now begun to use HNBR and FPM, resistant to oxidation due to the need gasoline, for the purposes of seals, NBR, PB, HNBR and FPM can be used for shock absorbers, body insulation and seals, As for the choice of what kind of material will have to use depending on the temperature. [View Details]
Seal is a typical representative of the rubber seals
Seal is a typical representative of rubber seals, the general said, referring to the oil seal rubber seal. The general effect is to seal transmission parts need lubrication components and parts output isolation, and will not allow oil leakage. Like the skeleton reinforced concrete structures inside, serve to strengthen the role and seal to maintain the shape and tension. Form of the structure can be divided into single-lip rubber seals and rubber lip seal. Vice rubber lip seal lips played the role of dust, to prevent outside dust and impurities into the inside of the machine. Skeleton type can be divided according to package rubber seals, rubber seals and exposed fabricated seal. According to the working conditions can be divided into rotating and reciprocating rubber seals rubber seals. [View Details]
PTFE Teflon rubber O-ring advantage Introduction
PTFE (Teflon or English abbreviation for [PTFE, F4]), Known as / commonly known as "plastic", Chinese trade name "Teflon", "Teflon" (teflon), "Teflon" "Teflon", "Teflon" and so on. It is made of tetrafluoroethylene by the polymerization of polymers with excellent chemical stability, corrosion resistance (corrosion resistance is one of the world's best materials can be widely used in a variety of needs anti-acid and organic ), tightness, high lubrication [View Details]
Acrylate rubber seal performance and composition
The main reason for the rubber seals are a problem: the problem of raw materials, storage problems of the seal, the seal structure design problem, choose the seal, the seal assembly, hydraulic system contamination and the use of acrylate rubber rubber comonomer seals can be divided into three categories based monomers monomers, low oil monomer and a cure site monomer. [View Details]
Rubber O-rings in different sections of the application site and use requirements
Rubber O-ring using professional design software for different sections of the application site and use requirements, select from the sealed structure design profile, cross-section, three-dimensional size and shape using simulation and other aspects of integrated design. [View Details]
Rubber seals seal transmission components to enhance the lubrication
The role of rubber seals oil seals in general is the transmission component requiring lubrication components and parts output isolation, and will not allow oil leakage. Sealing capability of the seal, depending on the sealing surface of the oil film thickness, the thickness is too large, the seal leakage; thickness is too small, dry friction may occur, causing the seal and shaft wear; lip seal between the shaft and no film, is easy to cause heat, wear and tear. Therefore, during installation, the seal must be painted in some oil, while ensuring that the rubber seal and the vertical axis, if not vertical, the sealing lip seals the lubricating oil will be drained from the shaft, will lead to the sealing lip excessive wear. In operation, the lubricant inside the casing slightly leaking point, in order to achieve the status of the oil film at the sealing surface is ideal. [View Details]

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