The overview of the oil film bearing in rolling mill essay

timer Asked: Apr 16th, 2014

Question description

There are many types of oil film bearing, application is very extensive, like a steam turbine, generator set, ball mill, fan bearings, astronomy, aviation and aerospace equipment used in bearing, and so on. The oil film bearing in rolling mill is one of the biggest bearing oil film bearing in the bearing. Such as generous plate mill of baosteel 5000 mm its biggest rolling pressure of up to 108000 kn is currently the largest domestic plate mill.

General mill machinery can be divided into rolling mill and non-ferrous metal Clearance Of NSK Bearing(mainly mill of aluminium and copper rolling mill), can be divided into the wire mill according to the rolling products, profile rolling, strip mill, plate mill (points of lenient plate, plate, hot-rolled plate, manufacture), etc. Nowadays rolling mill bearings are two main types of rolling bearing and oil film bearing, according to the different performance of rolling mill and use different kinds of bearings, rolling mill and copper rolling mill using the oil film bearing is given priority to, aluminum rolling mill used rolling bearing.

Wire mill in roughing and mill is given priority to with the use of rolling bearing, pre finishing and finishing is given priority to with the use of the oil film bearing.

Most section mill and bar rolling mill using rolling bearing.

Strip mill in China at present is still in the rolling bearing is given priority to, but because of its low bearing with short life have gradually to the development trend of the oil film bearing.

Plate rolling mill, plate mill in general and for HSM machine is the use of the oil film bearing, use the oil film bearing most of cold tandem mill, some use of rolling bearing, in which to use the cold rolling mill is more, Western Europe, the United States, Russia, China and other countries rarely recommended the use of rolling bearing.

It related to the history and the condition of the development of bearing. Research in the world manufacturing units of rolling bearing and a lot of manufacturers, the application is very wide, developed for a long time, have a mature technology and experience. And applied to the oil film bearing in rolling mill of less than 100 years of history, is still so far to research, design, manufacturing, services in addition to the comprehensive development of the oil film bearing in rolling mill manufacturer Morgan companies in the United States and the former Soviet union all Sue metallurgical machinery institute of science and taiyuan heavy machinery group co., LTD in China not have its own brand, can the independent product design, research, development and manufacturing of independent manufacturers. Some production of the mill in the world famous companies like SMS Germany, Italy, Austria Mr Agnelli company steel group, Japan's ishikawa island sowing grinding and mitsubishi in the oil film bearing in rolling mill are not their own independent research and development design ability. Michael stark machinery companies in the United States and the former west Germany Isaac company also has design and manufacture of rolling mill oil film axle

Bearing, afterwards because technology developed slowly and gradually disappeared in the world. But in recent years due to the rapid development of China's steel industry and promote, especially in the production of plate strip mill at home and abroad well-known manufacturers to increase manpower and material resources and financial resources for the research of the oil film bearing in rolling mill, the corresponding to promote the development and progress of the oil film bearing in rolling mill technology. Therefore, in terms of rolling mill, and so far, the use of rolling bearing and oil film bearing different are different.

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