Knowledge

Reducer is one of the main equipment of the enterprise, the equipment due to the long run, lead to the emergence of the problem of bearing wear, direct bearing "outer" phenomenon, make the equipment vibration, high temperature obviously, for a long time to run in spite of can lead to bearing damage, lock, such as fault, the equipment transmission failure, so the maintenance timeliness of reducer bearing seat is essential.

The front wheel bearing is broken and can't run.If the car front wheel bearing is broken, need to check in a timely manner, to avoid causing a bigger car trouble, cause unnecessary loss, automobile front wheel bearing broken while driving noise will be very big and still buzzing sound, and tire noise is not the same, if the broken car driving wheel bearing, would strain axle and end cover.If the bearing is damaged, the heat generated will be very high.

Whether the installation of self-aligning roller bearings is correct affects the accuracy, life and performance.Therefore, Nuobo Xuan Bearing Co., Ltd. requires the design and assembly department to fully study the installation of self-aligning roller bearings.At the same time, the installation should be carried out in accordance with the standard operation requirements, so as to effectively extend the service life of self-aligning roller bearings. The specific requirements are as follows:

The rapid development of the industrial field, so that more and more mechanical equipment into the field of iron and steel, in recent years, the continuous application of modern science and technology in the industrial field, so that the level of industrial mechanization is greatly improved.Steel rolling equipment belongs to a kind of heavy machinery equipment, steel rolling is a series of operation process produced by changing the steel ingot and billet through the pressure formed when the roller is constantly rotating.Nowadays, the daily management and maintenance of steel rolling equipment has become an important part of enterprise machinery management, especially some key components of steel rolling equipment, such as bearing bushes, bearings, etc., but also regular daily management and maintenance, in order to ensure the safe and stable operation of steel rolling equipment.

Vertical mill is a set of crushing, drying, grinding, grading conveying in one, high production efficiency, can be massive, granular and powder raw materials into the required powder materials.In the operation process, the bearing room of the roller shaft and the bearing room of the rocker shaft are prone to wear. The following small series shares a set of on-site disassembly free maintenance scheme for the bearing seat of the vertical mill.

Rolling bearing is a type commonly used in our daily life. Rolling bearing is mainly composed of outer ring, inner ring, rolling body and cage.For rolling bearing ring and rolling body, the choice of material is very important, these two parts can determine the performance of rolling bearing use, we can choose according to the needs of rolling bearing ring and rolling body material.

High speed grinding technology can improve the general production efficiency of 30%60% of grinding wheel durability about 0.71 times, high speed grinding can achieve the two goals of modern manufacturing technology to improve product quality and labor efficiency.Practice has proved that if the grinding speed is increased from 35m/ hour to 5060m/ hour.The workpiece surface roughness parameter value is reduced by about 50%.An important measure to realize high speed grinding is to increase the power of wheel drive system and the rigidity of machine tool.And the high-speed spindle unit is the most critical part of high-speed grinding machine.In high speed grinding, the grinding wheel should not only have enough strength, but also need to ensure good grinding performance to obtain high grinding effect.

When the inner ring of the bearing is mounted on the shaft, the bearing position is usually fixed on one side of the shaft shoulder, while the other side is fixed with a nut, stop washer or spring ring. The dimensions of the shoulder and the contact part of the axial fixed parts with the bearing inner ring can be determined according to the installation dimensions of various bearings listed in the bearing dimensions table.

Bearing seal ring is a ring cover composed of one or several parts, fixed on a ring or washer of bearing and contact with another ring or washer or form a narrow labyrinth clearance, to prevent lubricating oil leakage and foreign intrusion.Bearing dustproof sealing ring is to prevent dust and grease leakage.

Bearing speed is one of the most important factors affecting bearing temperature rise.The maximum allowable speed of the bearing, that is, the limit speed, decreases with the increase of the bearing diameter series and width series.

Heating of bearing system is a failure problem faced by many motor products. Both bearing manufacturers and motor manufacturers pay special attention to this problem.The direct consequence of the heating of the bearing system is that the heating of the bearing leads to the loss of grease, the failure of bearing parts due to heating, the rotation of the motor is not flexible or stalled, and the increase of heat conduction and current leads to the malignant accident of the motor winding burning in a very short time.

The Army confirmed that officers with the Army Criminal Investigations Service are investigating the theft of 130 tons of nickel-plated ball bearings at the White Sands Missile Test Site in New Mexico.

The role of forklift door frame roller is fork frame or between the door frame and the door frame plays the role of guide and force transfer forklift accessories, divided into side roller (longitudinal roller and transverse roller) and compound roller two, respectively installed in the forklift outside the door frame, internal door frame and fork frame.

In fact, made in China have already thoroughly remould oneself, our country's high-speed rail, for example, has the world's largest high-speed rail network, while huawei mobile phone and take the lead in research and development out of 5 g, the stability of xinjiang unmanned aerial vehicle (uav) and wireless image transmission, is a leader in science and technology, we going to talk about today is bearing areas in our country, bearing the problems, after all, China for many years,It is not easy to be sophisticated, so what is the true level of Bearing in China now?Let me break your stereotypes today.

The so-called bearing clearance, also known as bearing clearance, refers to the amount of movement when the bearing is not installed on the shaft or bearing box, and one side of its inner or outer ring is fixed, and then the side of the bearing clearance is not fixed to do radial or axial movement.According to the direction of movement, it can be divided into radial clearance and axial clearance.The operating clearance (called working clearance) has an impact on the rolling fatigue life, temperature rise, noise, vibration and other performance of the bearing.