Bearing use precautions

First, whether the outer packaging is clear:

Under normal circumstances, the brands produced by regular manufacturers have their own special designers to design the external packaging, and arrange the production conditions of the factory for production, therefore, the packaging of the product should be very clear from the line to the color block.

Second, whether the steel seal is clear:

Each bearing product will be printed on the bearing product body with its brand words, labels, etc. Although the font is very small, the products produced by regular manufacturers all use steel printing technology, and they are pressed before being overheated, so the font is small, but deeply concave and very clear. Under normal circumstances, the font of counterfeit products is not only vague, due to the rough printing technology, the font floats on the surface, and some can even be easily erased by hand or manual marks are serious.

Third, whether there is muddy oil on the surface:

Whether there is a muddy oil stain on the surface requires that we should pay special attention to when purchasing imported bearings. Because there is still a certain gap between domestic rust prevention technology and foreign advanced manufacturing countries, it is easy to leave a thick oil stain when the bearing body is treated with rust prevention, and it feels sticky and thick when it is touched by hand, and almost no trace of anti-rust oil can be seen on the bearings imported from abroad. According to industry insiders, people who are particularly careful can smell a special taste on imported bearings, which is the taste of anti-rust oil.

Fourth, whether the chamfer is uniform:

The so-called bearing chamfer, that is, the intersection of the transverse plane and the vertical plane, counterfeit bearing products are not handled satisfactorily in these corners due to the limitations of production technology, which we can easily identify.

Five, bearing packaging:

After the inner packaging and outer packaging bearings are manufactured and inspected, they are cleaned and anti-rust treatment, and then put into the inner packaging to achieve waterproof, moisture-proof, dustproof, anti-impact, maintain the quality and accuracy of the bearings, and facilitate the use and sale of the purpose.

What points should be paid attention to when installing turntable bearings?

Before the installation of the turntable bearing, the installation surface of the host machine should be checked first, and the supporting parts should have enough strong accuracy, and the connecting surface should be mechanically processed, and the surface should be flat without debris and burrs. For those that cannot be machined to achieve the required flatness, special plastics with high injection strength can be used as fillers to ensure the accuracy of the installation plane and to reduce vibration.

The ring of the turntable bearing has a quenched soft belt area, which is marked "S" on the end face of the ring, and should be installed so that the soft belt position is placed in the non-load area or non-regular load area (the plug hole is always located in the soft belt).

When installing the turntable bearing, the path should be oriented, the mounting bolts should be cross-tightened, and the rotation of the bearing should be checked. When tightening the bolt, there should be sufficient pre-tightening force, which should be 70% of the yield limit of the bolt material. The mounting bolts should be equipped with tempering flat washers and spring washers are strictly prohibited.

Turntable bearing is a kind of large bearing with special structure, which can bear large axial load, radial load and overturning moment at the same time, and integrates support, rotation, transmission, fixing and other functions in one. Under normal circumstances, the turntable bearing itself is equipped with mounting holes, lubricating oil and sealing devices, which can meet the different needs of various types of hosts working under different working conditions; On the other hand, the turntable bearing itself has the characteristics of compact structure, easy to guide rotation, easy installation and easy maintenance, and is widely used in lifting and transportation machinery, excavators, construction machinery, port machinery, wind power generation, medical equipment, radar and missile launchers and other large rotary devices.

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