What are joint bearings
Joint plain bearing is a kind of spherical plain bearing, its sliding contact surface is an inner sphere and an outer sphere, which can rotate and swing at any Angle when moving. It is made of surface phosphating, blasting, inserts, spraying and other special processing methods. Joint bearings have the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and so on.
Characteristics of joint bearings
Joint bearings can bear large loads. Depending on its type and structure, it can bear radial load, axial load or a combination of radial and axial loads. Because the outer sphere of the inner ring is inlaid with composite material, the bearing can produce self-lubrication in operation. Generally used for low speed swing movement, and low speed rotation, can also be in a certain Angle range for inclined movement, when the supporting shaft and shaft shell hole is not concentricity is large, it can still work normally. Self-lubricating joint bearings are used in water conservancy, professional machinery and other industries.
Calculation method of mechanical properties of joint bearings
Joint bearings have two "bonded" spherical contact surfaces, and this contact is called coordinated contact. The calculation method of mechanical properties of plain bearings plays an important role in structural design and wear analysis of plain bearings. The calculation of contact pressure on a spherical surface is a very complicated problem. The existing Hertz model cannot be used to calculate contact pressure distribution on a spherical surface because it is limited to an elastic half space.
There is a unified spherical contact model, namely the FANG model, which can better solve the problem of contact pressure distribution of the spherical surface with small deformation. This model is suitable for both incongruent contact and congruent contact. However, the contact area of plain bearings is not a complete sphere, and the calculation of the contact pressure distribution should be further calculated on the basis of the complete spherical contact model. In addition, there will be free boundary effect in the use of plain bearings, which will have a certain impact on the application of plain bearings. Free boundary effect produces contact pressure concentration and larger pressure gradient at the outer ring edge of plain bearing.
The price of joint bearings
The price of joint bearings is affected by many factors, such as market, material and quotation. If you want to know the specific price of joint bearings, please contact us for inquiry.
Joint bearings supplier :BMB Bearing
BMB Bearings is the complete one-stop supplier of OEMs and wholesalers to purchase high precision, miniature ball bearings, industrial ball bearings related products, as well as related professional services, including world class engineering and design. If you have any need, please feel free to contact us.