A fourteen roller rolling mill
A rolling mill and roll system technology, which is applied in the field of fourteen-high hot-rolled strip mills, can solve the problems of excessively large diameters of backup rolls, excessive backup rolls, increased consumption of rolls, etc., and achieve the effect of improving rolling precision
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[0020] A fourteen-high rolling mill includes a stand 1, a reduction system 2, a balance device 9, a locking device 3, an upper roll system 4, and a lower roll system 11.
[0021] The pressing system 2 consists of two sets of pressing mechanisms, which are installed on the upper part of the frame 1. The pressing mechanism acts on the upper roller system 4 to adjust the gap between the working rollers.
[0022] The upper roller system 4 is composed of an upper pressing cover, four supporting rollers 6, two intermediate rollers 7 and a working roller 8. The upper pressing cover 4 and the four supporting rollers 6 constitute an upper supporting system supported by sections. The support roller 6 is a long roller shaft 12, 14 or 15 groups of oil film bearings 13 are installed on the roller shaft 12. The number of oil film bearings of the four support rollers 6 is 14, 15, 14, 15, oil film A wear-resistant sleeve 14 is installed outside the outer ring of the bearing 13, and the support r...
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