What's the difference between rolling and plain bearings? What is Bush? What do you mean by scraping the Bush? How to operate?
The difference between rolling bearing and sliding bearing the first appearance of the structure, the rolling bearing is a rotating body by rolling to support the rotating shaft, which is a point of contact area, rolling body more, nine more points of contact; sliding bearing is on the smooth surface to support the rotating shaft, which is a surface contact area.
Secondly, the motion mode is different. The rolling motion of the rolling bearing is rolling; the movement of the sliding bearing is sliding, so the friction situation is completely different.The Bush is the part of the contact between the sliding bearing and the shaft. It is very smooth. It is usually made of wear-resistant materials such as bronze, antifriction alloy and so on. It can be made of wood, plastic or rubber under special circumstances. Also called the "Bush", is in the shape of half cylinder shaped tile.When the sliding bearing is working, a thin oil film is required between the Bush and the rotating shaft to lubricate the sliding bearing.
If due to bad lubrication, there is direct friction between bearing and shaft friction will produce high temperature, while the bearing is due to the special high temperature resistant alloy material, but high temperature direct friction on the burn is still. The Bush may also be burnt due to excessive load, high temperature, impurities or abnormal viscosity of lubricating oil. The plain bearing is damaged after burning the tile.The so-called scraping bearing, is fine after the car assembled by hand and shaft tile Research (shaft should be coated with toner), with a triangular blade attached on the tiles in pink, with research with scratch, until the tiles add color area of more than 85% complete full tile surface, scraping.There is a micro knife tile tile storing lubricating oil tank.
