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

Inactive Publication Date: 2017-05-03
沈阳东方钢铁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The resulting problems are: 1. The diameter of the back-up roll is too large, which causes the weight of the back-up roll to increase the consumption of the roll; 3. As the length of the roll increases, the deflection of the center of the roll increases; 4. In order to meet th

Method used

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  • A fourteen roller rolling mill
  • A fourteen roller rolling mill
  • A fourteen roller rolling mill

Examples

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Example Embodiment

[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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PUM

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Abstract

The invention provides a fourteen roller rolling mill comprising a rack, a screw down system, a locking device and upper and lower roller systems. The screw down system consists of two sets of screw down mechanisms and is installed on the upper portion of the rack. The upper and lower roller systems are installed in the rack and are axially locked via the locking device. A balance device is installed between the upper and lower roller systems. The upper roller system consists of an upper gland, four supporting rollers, two middle rollers and one working roller, wherein the upper gland and the four supporting rollers form an upper supporting system of segmented support; the lower roller system consists of four supporting rollers, two middle rollers, one working roller and a lower pedestal, wherein the lower pedestal and the four supporting rollers form a lower supporting system. The upper supporting system and the lower supporting system formed by assembling the four supporting rollers and the upper gland and assembling the four supporting rollers and the lower pedestal can realize rolling of ultra-wide boards and can increase the rolling precision.

Description

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Claims

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Application Information

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Owner 沈阳东方钢铁有限公司
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