Powder metallurgy oil bearing is generally made of raw material powder by pressing, sintering, shaping, oil immersion and other processes.Most of today's machines are highly automated.Daily output is relatively large, most of the products can be formed at one time, so the larger the batch the better production.And now use a little less of the mold may be done hundreds of thousands of, more than a million may be done.But the mold cost is relatively high, so it is not good to do in small quantities, and the time to replace the mold is also long.
Powder metallurgy oil bearing in general can be formed once, basically without cutting.The cost is lighter than machining, material waste is also less, the price is therefore cheaper.It is also in line with the current national policy of promoting energy conservation, so it is regarded as a technology that will not be outdated.
Powder metallurgy oil bearing in its matrix has been used to vacuum immersion method full of lubricating oil, and in operation due to the temperature rise and pump suction, the lubricating oil will leak to the operation surface, so it can be used without additional lubricating oil occasions.