What are the main failure modes of tapered roller bearings? What's the reason?
The damage types of tapered roller bearings are roughly classified as follows: 1. Lubrication failure includes improper lubricant (type, quantity, mode), foreign material entering (destroying oil film, including water), load abnormal (excessive load, excessive impact, excessive speed). 2. Improper installation and use, including artificial damage, improper installation, improper type selection (type, clearance, fit and installation structure), including lubrication failure (oil break), including improper maintenance. 3. Fatigue damage, including raceway spalling. 4. Other injuries include non-metallic inclusions, current burns (ground pass), and false Brinell indentation (transport or static flutter of bearings). A lot of damage has been mixed with a variety of failure modes, so more background information is needed to analyze the earliest damage patterns.
Besides, the design of the big inner ring is very exquisite, mainly the design of the arc and angle affects the performance of the bearing directly. 2 because the taper bearing is the oil gap adjustable bearing, not like other bearings, according to the standard direct choice which kind of clearance is nearly. Cone bearings need clearance calculation, and then there is feasible and reliable adjustment method of clearance, for many bearing users, this is no small problem. If the clearance is too large or too small, it may cause noise, lubrication and other problems.
On the whole, there are many forms of bearing damage. The cone bearing, is much the same, if what is special, I can only say that there are two points: 1 inner ring rib and roller friction sliding friction and lubrication often leads to problems, so compared with other bearings, tapered roller bearings are more prone to edge flaking and spalling of roller sheet.
