What are the used screws requirements in building mechanical slewing bearings?

It is well known that slewing bearings are used in many fields and are also  one of the most important construction machinery parts.To ensure the safe  operation of slewing ring, the whole process of production and installation  of slewing bearings is often involved.FRB Bearings will introduce what are  the used screws requirements in building mechanical slewing bearings?, come  together to understand!

1. Requirements for bolts used:
The size of bolts used shall conform to the regulations of GB/ T5782-2000  and GB/ T5783-2000, and the strength grade shall not be lower than the 8.8  level specified in GB/ T3098.1-2000, and the proper strength grade shall be  selected according to the bearing capacity.So make sure you choose the  right bolt.That's how it works.

2. Operating standard of nuts:
The size of nuts shall comply with the provisions of GB/ T6170-2000 and GB/  T6175-2000, and their mechanical properties shall comply with the  provisions of GB/ T3098.2-2000.Therefore, the standard of nut use is also  very strict, which should be noted.



During installation, bolt tightening shall be performed according to the  specifications of the main engine, and certain pre-tightening force shall  be ensured. Unless specially specified, generally pre-tightening force is  due to 0.7 times of bolt limit, a little oil is allowed at the threaded  part when tightening.So just calculate the screw of slewing bearings is  installed normally good, so everybody should notice above a few points when  operating, do not operate carelessly random, avoid to appear a problem,  bring about the occurrence of accident.After installation, regular  maintenance and maintenance.Reduce problems caused by long-term maintenance  and waste manpower and resources.

Are you clear about the above introduction?If you have any questions,  please feel free to contact FRB Bearings. Our company is one of the  earliest professional companies engaged in the design and manufacture of  slewing ring bearings.Looking forward to your visit!