Classification and use of common rubber sealing rings - 1 views
started by kbojezhang44 on 13 Apr 20
started by kbojezhang44 on 13 Apr 20
started by kbojezhang44 on 13 Apr 20
started by kbojezhang44 on 13 Apr 20
Do you really understand the classification of seals? Different seals have different product types and are set for more application requirements. Therefore, the seal classification can be divided into dynamic seal and static seal, and dynamic seal can be classified as rotary seal of reciprocating seal box. The DSH seal tells you that both the extrusion seal and the lip seal belong to the reciprocating seal movement, such as the combination sealing ring, the O-type sealing ring, the mountain sealing ring, the Bud sealing ring, the D-type ring, and the drum ring G are all forms of extrusion sealing; lip seal generally refers to the Y-type sealing ring and V-type sealing ring; and the rotating seal has a rotating oil seal and a mechanical seal; it is divided into a skeleton, a skeleton-free oil seal, a single lip or a lip oil seal. In addition, the O-ring, square ring, combined sealing gasket and metal gasket make it a static seal.
What is the role and significance of sealing?In the air pressure and hydraulic transmission system and the sealing elements used, the sealing device and the rubber sealing ring are placed (Sealing element)The purpose is to prevent the leakage of media in the working equipment and the intrusion of dust pollutants in the external environment.However, the components in the setting and sealing device and the sealing function are called seals.
The working medium is generally flowing or temporarily stored in the chamber of the sealing equipment system and seal.When the mechanical equipment is running, due to constant changes in pressure, intermittent, viscosity and other factors, the pressure action is too large to cause a small amount of media fluid to ooze the cavity boundary, the flow from the high-pressure cavity to the low-pressure cavity or the outside world, this fluid is known as leakage.
1. O-ring
It is a kind of dynamic seal or static seal, and its performance is different according to different sealing materials. it is generally used for rotary motion seal and low speed rotary seal device;
2. y-type sealing ring
Generally used in the reciprocating movement sealing device, the hydraulic piston rod seal;
3. v-sealing ring
rubber sealing ring with axial action, generally suitable for pressure-free sealing;
4. rectangular seal
Generally, it is used to play a certain seal leakage problem in the section groove of the inner circle or outer circle;
5. skeleton-free seals for Type J
Generally applicable to the reciprocating motion cylinder, the piston rod in the cylinder or the exposed stem to prevent dust;
6. U-shaped sealing ring
common term in hydraulic reciprocating system equipment, such as engineering machinery, hydraulic cylinder sealing;
Classification and use of common rubber sealing rings
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