Aug 11,2017

V-shaped seal ring is actually a lip seal ring?

V-shaped seal ring is a lip seal ring with a lip, which is one of the fillers used in molding. Dongsheng sealing ring tells you that it is mainly used for reciprocating motion, for piston or pan plug rod sealing. Rarely used in rotation or as a static seal. Most of the V-shaped sealing ring is used in combination with the pressure ring and the supporting sealing ring (Figure 1 is the V-shaped sealing ring cross-sectional structure diagram). The pressure ring and the support ring are generally pressed by harder adhesive tape, but the support ring is sometimes pressed by hard plastic, and the middle seal ring is pressed by nitrile rubber sealing material. According to the use situation, some all use fabric rubber sealing ring, but also use pure sealing ring and

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Aug 11,2017

Seal Structure Parameters Affecting Oil Seal Performance

A good oil seal is particular, in addition to size, its sealing performance must be considered. Dongsheng seal tells you the factors that affect the sealing performance of the oil seal, including oil pressure, lip rubber performance, structural parameters, lip interference, R value (distance from the seal lip plane to the spring groove center plane), lip waist thickness, lip waist length, medium temperature, oil seal shaft speed, etc. may affect the sealing performance of the oil seal! Let us first understand the oil pressure that affects the sealing performance of the oil seal. The sealing structure parameters of the oil seal have a great influence on one aspect, which can also be said to be fatal (as shown in Figure 1. Rotary shaft lip oil

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Aug 11,2017

What is the tolerance of rubber oil seal size

So, what is the tolerance of the rubber seal seal? Tolerance (tolerance) The allowable variation of the actual parameter value. It also includes the parameters of physics, chemistry, electricity and other disciplines. The size of the rubber oil seal depends on the specific shaft size, including inch system, metric system, etc., and has the structural interference and hoop spring force corresponding to the shaft size.

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Affect oil seal performance: seal shaft surface roughness

A good oil seal is particular, in addition to size, its sealing performance must be considered. Dongsheng sealing ring tells you the factors that affect the sealing performance of the oil seal, including oil pressure, lip rubber performance, structural parameters, lip interference, R value (distance from the sealing ring lip plane to the spring groove center plane), lip waist thickness, lip waist length, medium temperature, oil seal shaft speed, etc. may affect the sealing performance of the oil seal! Let us first understand, affect the oil seal sealing performance of the seal ring shaft surface roughness of its influence degree? The oil film lubrication theory believes that there is a layer of lubricating oil film between the shaft and the seal ring (oil seal) lip, large

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2017/08

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