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Introduction of Bearing roller
Release time:
2022-08-19
A Bearing roller is a type of Bearing. As the important neck rotates, it comes into circumferential contact with a number of Rollers, which are usually mounted on a locating ring. Bearing rollers can be preloaded to achieve good accuracy and rigidity. In addition, the tapered inner ring can be used to arbitrarily adjust the working clearance of the Bearing. This scheme can meet the requirement of zero clearance of printing press cylinder Bearing.
The use of Bearing rollers still worries printer manufacturers, who need high-precision jackets and experienced installers to find the right Roller pin set. To solve this problem, Bearing manufacturers have developed a Bearing Roller bracket with an integral flange on the outer ring. In addition, the flanged outer ring solves installation and lubrication problems for printer manufacturers. Its Bearing roller support solution has become the mainstream solution for printer roller support.
Bearing rollers can be preloaded to achieve good accuracy and rigidity. In addition, the tapered inner ring can be used to arbitrarily adjust the working clearance of the Bearing. This solution can fully meet the printing press cylinder Bearing zero clearance requirements. Roller clutch is a new type of friction clutch. Compared with the existing overrunning clutch, it has the advantages of high carrying capacity, long service life and reliable locking. The dynamic characteristics of roller clutch play an important role in its dynamic analysis. The theoretical analysis shows that the torsional stiffness of the clutch is nonlinear, which provides a theoretical basis for the dynamic analysis and structural parameter optimization of the Bearing roller clutch.
The material under the contact surface is elastically deformed when the Roller, which Bearing the roller under normal load, rolls along the raceway. After the contact is eliminated, most of the elastic deformation recovers. Experiments show that for a given stress value, the deformation during loading is always smaller than the deformation during unloading, resulting in the pressure in the front half of the contact zone being greater than the pressure in the back half. The contact area is combined with the pressure within the contact area to obtain the moment of resistance and the horizontal resistance. This phenomenon, called elastic hysteresis, reflects the energy loss of the Bearing roller, which is related to the material, load, geometry and speed.
Key words:
Bearing roller
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