YOCH Bearing

When disassembling the spherical roller bearing for maintenance, first record the appearance of the FAG bearing, confirm the remaining amount of lubricant, and then wash the bearing after sampling the lubricant for inspection. As cleaning agents, gasoline and kerosene are generally used.

Internal stress is easily formed during plastic molding, and the stress concentration areas are prone to cracking after painting. Annealing treatment or whole surface treatment can be used to eliminate stress. The annealing treatment is to heat the ABS plastic molded parts below the heat deformation temperature, that is, 60°C, and keep it warm for 2 hours. Since the use of this process requires a large amount of equipment investment, the entire surface treatment technology can be used, that is, a solution that can eliminate the internal stress of the plastic part is prepared and the surface of the plastic part is treated for 15 to 20 minutes at room temperature.

Due to its own process requirements, this method requires that the outer or inner pipe surface be round in order to fit the composite inner and outer tubes. However, due to the incompressibility of the transmission cable and insulating material, the electrically conductive drill pipe body will be inside There is a "slight convexity" in the cable fitting part, so the pull-out composite and mechanical expansion joint composite will cause damage to the insulation and performance of the cable, and the applicability is not strong.

Common quality defects of FAG bearing parts after heat treatment include: overheating, underheating, quenching cracks, insufficient hardness, heat treatment deformation, surface decarburization, and soft spots in the quenching microstructure.

The tiltable tile bearing is composed of five arc tiles, the upper half bearing is three tiltable tiles, the lower half bearing is two tiltable tiles, the tile can tilt freely on the fulcrum, the tile can swing freely when working, forming a multi-oil wedge around the shaft neck. The lubricating oil of the bearing enters the annular channel of the bearing shell through the oil inlet at the bottom of the bearing. The lubricating oil enters the bearing tile through 5 oil holes from the annular channel. The lubricating oil is distributed along the journal and discharged from both ends of the journal to complete the cooling and lubrication effect.

For bearings used in pairs, excessive axial oil clearance can easily cause cage wear. It is necessary to regularly check the axial movement and adjust it in time. For paired bearings (tapered pairs - DB/DF), the intermediate spacer must be provided by the manufacturer, with high precision, and its main function is to adjust the axial clearance. For example, the suffix T165 means that the total length of the spacer and the bearing is 165mm.

Regarding the damage status of IKO bearings, such as: jamming of the ring ribs of oil-free bearings, the reasons can be considered as insufficient and unsuitable lubricant, defects in the oil supply and drainage structure, foreign matter intrusion, bearing installation errors, and shaft deflection. If the song is too big, these reasons will also overlap. Therefore, it is difficult to know the real cause of the damage only by investigating the bearing damage. However, if you know the machine and operating conditions of the bearing, the structure around the bearing, understand the situation before and after the accident, and investigate the damage status of the bearing and several causes, you can prevent similar accidents from happening again.

The sealing mechanism of the oil seal involves two factors. One is the sealing of the cavity, mainly the positioning of the outer edge of the oil seal (static component) in the cavity; the second is the dynamic seal in which the sealing lip contacts the surface of the rotating shaft, which is the key to the oil seal. The most important function.