T-Blog, Your Bearing Wikipedia

A casual visitor was called Novel Coronavirus when we were preparing to celebrate the Spring Festival in January 2020. Because of it, billions of people in our country could not go out, the malls were all closed. Many medical personnels rushed to the front line of the battlefield, here we show our most sincerety to all the medical staff and volunteers who rushed to the front line. Although the epidemic is terrible, lovely Chinese people will not be afraid. Take a look at the interesting things happened during the epidemic. 1. Attitude changes 2. About Divorce Continue: A few years later, the son came back from school and asked the father, “Why are so many people born in the same month same year as me, papa?” The father sighed and told his son, “Son, It all starts with a bat…” 3. Right Time for Contribution 4. A Good Idea I have an idea: 15 masks, take turns to use, one piece a day, and then seal the used one. By the 15th day, use the first one again, because the new coronavirus on the first one should be dead after 14 days, so it’s a safe mask again. How do…

What is the preload of crossed roller bearings? Generally, rolling bearings have a certain clearance under working conditions. However, in order to achieve a specific purpose, when the cross roller bearing is assembled, apply a certain internal load through adjustment of the clearance to achieve negative clearance. This method is called preload. What are the benefits of preload of crossed roller bearings? 1.Improve the Rotation Accuracy After the bearing is pre-loaded, the internal clearance is eliminated, and each rolling element is subjected to a certain preload, so that the cross roller ring is supported from all directions. Therefore the running accuracy is improved, and the shaft will be positioned correctly in the axial and radial directions. 2. Increase Stiffness The contract between the rolling element and the raceway is elastic contact. The rolling element can be regarded as a spring. Bearings with clearance are supported by only a few springs in the direction of force. But the pre-loaded cross roller bearings are spring-loaded in all directions and have a certain amount of preload. The number of rolling elements under load is greater than that when there is a clearance, so the stiffness can be improved. 3.Extend Bearings Service Life After…

Since bearings are metallic products they rust easily. So their treatment requires certain precautions. 1. When handling bearings, use finger caps, pincers or gloves that do not generate cotton fibers. 2. When you must use naked fingers, first make sure they are clean and free from perspiration and dust. Then apply a quality mineral oil to the fingertips before touching the bearings. Do not use hand cream, as it may induce rust. 3. If a shaft is dirty on the surface, rust may gather between the shaft and the bearing after they are fitted. So it is important to make certain the shaft is free from finger prints and perspiration. 4. When handling bearings choose a place that is dry. Always place the bearing boxes on a shelf or pallet. Avoid placing the boxes directly on the floor or other locations where moisture and dirt may be present. 5. Avoid storing bearings near air conditioners and direct sunlight. Bearings may rust when placed near an air conditioner outlet or any place where wind or sunlight can enter directly. 6. A great temperature variance may cause condensation to form on bearings. In colder climates allow the bearings to reach room temperature…

The performance of ball bearings can be critically affected by minute particles. Particles as small as 0.005mm can cause problems. To prevent such problems, we use a class 1,000 clean room throughout our bearing assembly operation. “Keeping bearings clean” is the most important rule of bearing use. Avoid exposing bearings to any environment where particles may be present. Once inside a bearing, such particles can cause raceway scratches, abrasion and shortened life. They can also generate acoustic noise and vibration. We use shields or seals to keep particles out. But there is still a gap between the shield and inner ring of shields and non-contact seals. This gap may permit particle entry. So it is important to observe the following procedures carefully. 1. Keep your bearing handling area as clean as possible. 2. Do not remove the bearings from their packaging until just before use. If you move the bearings to a container, be sure the container is clean. Its lid should be kept closed and it should be cleaned every day to prevent particle accumulation. 3. Never use a bearing that has been dropped. It may be brinelled (race track dented). In use, a brinelled bearing will generate a…