Application Of Joint Bearings

What are joint bearings
Joint  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.

Application of joint bearings
Joint bearings are widely used in engineering hydraulic cylinders, forging machine tools, construction machinery, automation equipment, automotive shock absorbers, water conservancy machinery and other industries.Spherical plain bearings are spherical plain bearings, the basic type is composed of an inner and outer ring with a spherical sliding spherical contact surface.Depending on its structure and type, it can bear radial load, axial load, or the combined load of radial and axial action simultaneously.Because the spherical sliding contact area of plain bearings is large and the inclination Angle is large, but also because most plain bearings have taken special processing methods, such as surface phosphating, galvanized, chromium plated or outer sliding surface lining, inserts, spraying, etc., so they have a large load capacity and impact resistance.And has corrosion resistance, wear resistance, self-aligning, good lubrication or self-lubrication without lubrication dirt pollution characteristics, even if the installation dislocation can also work normally.Therefore, joint bearings are widely used in low speed swing motion, tilt motion and rotary motion.
The composition of joint bearings
Joint bearing is mainly composed of an outer ring and an inner ring.The inner sphere of the outer ring and the outer sphere of the inner ring constitute a rolling friction pair.
Calculation method of joint bearings
The joint axis has two spherical contact surfaces that fit together, and this contact is called coordination 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 models cannot be used to calculate contact pressure distribution on a spherical surface because they are limited to an elastic half space.A unified spherical contact model has been developed to solve the problem of contact pressure distribution of a spherical sphere 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 bearing is affected by many factors such as market, material and quotation. If you want to know the specific price of  joint bearing，please contact us to make enquiries.
Supplier of  joint bearings:BMB Bearings
BMB Bearings is the complete one-stop supplier of OEMs and wholesalers purchasing high-precision, miniature ball bearings, industrial ball bearing 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 .