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Powder metallurgy oil - bearing the characteristics of the knowledge of the bearing

by:Waxing     2020-06-09
Powder metallurgy oil bearing in general is mainly with raw material powder by pressing, sintering, plastic, oil immersion processes such as manufacturing. Now machines are mostly high degree of automation. Once production is large, most of the products can take shape, so the batch production is bigger, the better. And now made hundreds of thousands of mould a little less word may only, many words can do more than one million only. But the mold cost is higher, so the batch less if it is bad to do, and change the time of the mould is long. Powder metallurgy oil bearing in general can forming a, basic need not machining. Lighter than machining cost, less material waste, the price is cheaper so. Also accord with the national policy of now advocate energy saving, so they don't think this is an outdated technology. Powder metallurgy has with vacuum oil bearing the matrix containing leaching method is filled with oil, and during operation due to temperature rise and the cause of the pump suction, the lubricating oil will seep to the surface of a work, therefore, can be used to not add lubricating oil.
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