Roller machine
A roll machine and roll technology, which is applied in the field of bearing processing equipment, can solve the problems of scrapping, the cost of a roll costs tens of thousands to hundreds of thousands of yuan, economic loss, energy and material loss, etc., so as to avoid energy and material loss. Loss, the effect of huge economic benefits
Inactive Publication Date: 2012-12-19
WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING
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Problems solved by technology
After working for a period of time, the surface of the intermediate roll and the work roll is rough, and the surface of the roll needs to be ground. The diameter of the roll and the effective hardness of the surface layer are gradually decreasing. The cost of the support roll is tens of thousands to hundreds of thousands of yuan, which will cause great economic losses to the steel industry and cause a large amount of energy and material loss to the country.
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[0011] Implementation column 1
[0012] A twelve-roll mill, which includes a work roll 1, two intermediate rolls 2, and three backup rolls 3, the roll machine adopts a symmetrical structure, the upper part of the work roll 1 is provided with two intermediate rolls 2, two intermediate rolls 2 Three supporting rolls 3 are arranged on the upper part, forming an inverted triangle shape, and sleeves 4 are arranged on the surface of the working roll 1 and the intermediate roll 2 .
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The invention relates to a roller machine, and belongs to the field of bearing processing equipment. Compared with the prior art, the roller machine has the outstanding advantages and positive effects as follows: a sleeve is sleeved on the surface of a roller, and the material and the thermal treatment hardness of the sleeve can meet the performance requirement and the working condition requirement of the original roller; once the surface of the sleeve is abraded, the sleeve with the cost of several thousand Yuan can be replaced, thus, the originally discarded roller can be continuously put into service, a huge economic benefit is brought to steel industry, and lots of energy and material losses can be avoided.
Description
[0001] technical field [0002] The invention relates to a roll machine, which belongs to the field of bearing processing equipment. Background technique [0003] Over the years, with the rapid development of the domestic steel industry, multi-roll rolling mills have also been vigorously rising. There are eight rolls, twelve rolls, twenty rolls and so on. The support rolls of multi-roll mills use backing bearings. After the bearings are worn out, the bearings can be ground or replaced, and the cost is relatively low. After working for a period of time, the surface of the intermediate roll and the work roll is rough, and the surface of the roll needs to be ground. The diameter of the roll and the effective hardness of the surface layer are gradually decreasing. The cost of supporting rolls will be tens of thousands to hundreds of thousands of yuan, which will cause great economic losses to the steel industry and cause a large amount of energy and material loss to the countr...
Claims
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Inventor 杜善亮车德礼
Owner WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING