i looking for an article about application of oilit bronze technology?

Answer 1

-Oil cushioned Oilite® Sintered Bearings are fabricated from metal powders and contain approximately 18% oil (by volume). This vacuum impregnated oil supplements the strong, pure bronze structure and forms a hydraulic cushion to absorb unusual shocks and impacts, allowing the bearing to carry heavy loads. Self-lubricating Oilite® bearings are separated from the shaft by a protective film of oil. The oil is supplied through thousands of interconnected, oil impregnated pores. Oil rises to the bearing surface when the shaft is in motion and is reabsorbed by the bearing through capillary action when the shaft is idle. Available in Thrust, Sleeve and Flange type bearings. Sleeve and Flange Type Bearings can be machined to any length.
http://www.smallparts.com/products/descriptions/tbb-sbb-fbb.cfm

-If people won't use ball bearings or roller bearings, what will they use? It depends on the speed of the item. Low-speed equipment will use bronze bushings, preferably made of oilite bronze. Higher-speed equipment will use Babbitted bearings. These are stationary sleeves for the rotating shaft which can be cast and machined precisely, and which are lubricated with oil. Because the stationary bearing is made of a very soft alloy, it won't scratch the crankshaft, and it will conform very well to the crankshaft. The downside is that Babbitt metal has a very low melting point. The tools can't be run at the extremely high speeds that modern tools use; they would get too hot. (Modern shops using Babbitted bearings often have temperature sensors that cut power when the bearing gets above 205 F.) Although Babbitted bearings can't take extremely high speeds, they can certainly take up to 4000 rpm if properly lubricated.
The Oilite bearing or Oilite bushing style is commonly used throughout industry. Simply comprising of a sintered bronze material impregnated with oil ,this self lubricating bearing is most commonly found in tough applications where relubrication of a rolling element bearing is simply not possible. Oilite style bearings are capable of operating in a wide temperature band although they are limited to low rpm values. The usual format for Oilite style bearing is a plain or flanged bushing but the material can also be machined to create spherical bearings, washers, solid bars or cored bars.

All Oilite style products are available in inch and metric standard sizes as well as special requirements, either for existing or new applications. Other registered trading names which are broadly equivalent to the Oilite style of bearing include Oilube â and Oilus â.

Answer 2

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Doug