Due to the special requirements of production process, industrial and mining enterprises of certain key equipment running in very bad condition.Due to the heavy equipment, high temperature, dust or air containing acid corrosion in gas CO, SO2, etc., bring many problems of equipment lubrication, friction and wear is serious, so far, most of the domestic enterprises is still using the traditional oil, grease, and the fact that the industrial and mining condition is beyond the scope of oil, grease, easily happened bearing and other friction pair of bite or killed, cause severe parts wear and damage, frequently lead to equipment shutdown.
To this end, the inlay type of self-lubricating bearing composite materials research, highlight the characteristics of their own on the material formula and preparation technology, material performance has reached international advanced level, for the enterprise can solve the problem of lubrication under special working conditions, and has brought obvious economic and social benefits.But due to a variety of reasons more domestic enterprises has not been adopted, the situation is still there.
The key technical principles
Inlay type of self-lubricating bearings used in composite material is a new kind of extreme pressure lubrication materials, solid by the metal substrate and the embedded holes or slots in the solid lubricant paste.Metal substrate in the process of friction on the vast majority of the load.By friction, hole or groove of solid lubricant to the friction surface transfer or negative transfer, the friction surface to form a good lubrication, strong adhesion and uniform coverage of solid transfer film, greatly reduce the friction and wear.With the friction, the embedded solid lubricant provided on the friction surface, to ensure the long-term operation of the friction pair when good lubrication.