YOCH Bearing

Welcome to our comprehensive guide on the advantages of utilizing precision needle roller bearings in industrial applications. In this article, we will delve into the various benefits that these bearings offer and how they can positively impact your operations. From their exceptional durability to their ability to handle heavy loads, precision needle roller bearings have become a vital component in numerous industries.

When the pipes of the brake system are filled with steam and gas exists, due to the relatively high compressibility of the gas, and the brake pedal feels soft and elastic when you step on it, it means that air has penetrated into the brake fluid. The braking effect will become worse, safety will be reduced, and the braking response speed will be reduced. Especially in mountains and mountainous areas, frequent braking will increase the temperature of the brake fluid. If the boiling point of the brake fluid is low, it is easier to cause cavitation in the braking system and damage the rubber sealing ring and brake components of the afterburner pump. cause damage. This will cause the braking system to completely fail and endanger personal safety. In addition, when there is gas in the brake fluid pipeline of the brake system, when the brake pedal is released, because the expansion speed of the gas is faster than the speed of the brake fluid, sometimes a flow from the brake oil cup of the booster cylinder to the brake fluid cup will occur. The phenomenon of external oil spraying. Brake fluid with a low boiling point seriously affects the braking performance of wheel loaders. At present, most domestic wheel loaders use 719 synthetic brake fluid, which is equivalent to HZY3 of domestic GB12981-2003 and DOT3 of the international standard. The dry boiling point of this brake fluid is 205°C. The dry boiling point refers to the fluid just removed from the sealed container. The boiling point of some inferior brake fluids is lower after being added to the brake system, and some inferior brake fluids have lower dry boiling points, thus affecting braking safety.

In recent years, loader brake system failures have become an increasing trend, especially brake failure, brake system temperature rise, oil leakage from the brake pump vent, and a series of other problems. At present, almost all domestic loader service brake systems use pneumatic brake systems. Top oil caliper disc brake, the selection of brake components is generally the same as that of automobiles. There are many factors that cause the failure of the loader's braking system, such as damage to the braking components leading to braking failure. In recent years, loader braking systems have become the main factor in the upward trend. The author believes that the decline in the quality of brake fluid and brake pads is also an influencing factor. The following is a brief introduction to the effect of brake fluid on the braking performance of wheel loaders.

Tapered roller bearings are separable, and their inner ring roller cage assembly and outer ring can be separated and assembled separately. Corrected linear contact between rolling elements and raceways avoids edge stresses. Tapered roller bearings can support both high radial and axial loads. Because this type of bearing can only bear axial force on one side, it needs to be paired when used. This type of bearing is used in gear boxes and axle holding boxes.

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.