YOCH Bearing

In the past, most of the wheel hub bearings for cars were used in pairs of single-row tapered rollers or ball bearings. With the development of technology, car hub units have been widely used in cars. The scope and amount of use of wheel hub bearing units are increasing day by day, and they have now developed to the third generation: the first generation is composed of double-row angular contact bearings. The second generation has a flange on the outer raceway for fixing the bearing, which can simply be put on the axle and fixed with nuts. This makes the maintenance of the car easier. The third generation of wheel hub bearing units uses a bearing unit and an anti-lock brake system. The wheel hub unit is designed with an inner flange and an outer flange. The inner flange is bolted to the drive shaft, and the outer flange installs the entire bearing together.

The inspection of TIMKEN bearings should be carried out under a diffuse light, and the appearance, cracks and other parts of the TIMKEN bearings should be carefully observed.

The belt is too tight or the coupling is poorly assembled and in a bad state. Here you can adjust the belt tension and calibrate the coupling for repair.

Rolling INA bearings are classified according to the type and number of rows of rolling elements, the direction of the load they can bear, and whether they have automatic self-aligning function.

At the friction points between the crankshaft and the bearings, the crosshead and the slide plate, the packing and the piston rod, etc., the temperature exceeding the specified value is called overheating. The consequences of overheating: one is to accelerate the wear between the friction pairs, and the other is that the heat of the overheating continues to accumulate until the friction surface is burned and the lock is burned, causing major machine accidents. The main causes of bearing overheating are: uneven fit between the bearing and the journal or too small contact area; deflection of the bearing, bending and twisting of the crankshaft; too low viscosity of the lubricating oil, blockage of the oil circuit, failure of the oil pump, etc.; during installation There is no leveling, no clearance is found, the main shaft and motor shaft are not aligned, the two axes are tilted, etc.

During the operation of the compressor, some malfunctions and even accidents will inevitably occur. A fault refers to an abnormal situation that occurs during the operation of the compressor. Once eliminated, the compressor can resume normal operation, while an accident refers to a damage situation. The two are often related, and if a fault is not eliminated in time, it will cause a major accident.      Compressor is a machine used to increase gas pressure and transport gas. From an energy point of view, a compressor is a machine that converts the power energy of the prime mover into gas pressure energy. With the development of science and technology, the application of pressure energy has become increasingly widespread, making compressors one of the indispensable key equipment in many sectors of the national economy. During the operation of the compressor, some malfunctions and even accidents will inevitably occur. A fault refers to an abnormal situation that occurs during the operation of the compressor. Once eliminated, the compressor can resume normal operation, while an accident refers to a situation of damage. The two are often related, and if a fault is not eliminated in time, it will cause a major accident.

During the use of the machine, some noise will be generated more or less. Some of it is unavoidable, but some noise must be solved immediately once it is generated, otherwise it will affect the operation of the machine, make the production unable to operate normally, and cause unnecessary losses.

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.