Powder metallurgy oil bearing introduction

Powder metallurgy oil-impregnated bearings are generally formed at one time and are basically not machined. The cost is lighter than machining, the material waste is less, the price is therefore cheaper, and it is in line with the current national policy of promoting energy conservation, so it is considered to be a technology that will not fall behind.

The powder metallurgy oil-impregnated bearing has been filled with lubricating oil by vacuum impregnation in the base body, and the lubricating oil will seep out to the running surface due to temperature rise and pumping during operation, so it can be used without additional lubricating oil. The occasion.

Powder metallurgy oil-impregnated bearings (oil-bearing bearings) are a class of porous alloy products impregnated with lubricating oil in the pores. When the shaft rotates, the temperature of the oil-impregnated bearing rises and the pumping action is caused by the friction between the shaft and the oil-impregnated bearing.

The lubricating oil impregnates the friction surface containing the inner or outer diameter of the oil-impregnated bearing when the shaft stops rotating. The lubricating oil is returned to the inside of the oil-impregnated bearing. Therefore, the consumption of lubricating oil is extremely small, and it can be used for a long period of time without supplying lubricating oil from the outside, and is very suitable for the occasion of difficulty in supplying oil and avoiding contamination of lubricating oil.
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