A new FSR (flexible shape backup roll) was developed and applied in 1700 mm tandem cold rolling mills. A lot of good actual effects of FSR, such as evident improvement in profile and flatness of strips, non-occurring edge spalling, wear uniform, and remarkable decrease in roll consumption were validated by long-term industrial applications
Sep 30, 2020 · The mill has four horizontal rolls, two smaller diameters and two much larger. The larger rolls are called backup rolls. The smaller rolls are the working rolls, but if they would be thicker in the centre and thinner at either end. Backup rolls hold the working rolls and restrict deflection when the material is being rolled
This train is spaced from the second train by a distance L2. Similarly, the next stand has work rolls 34,36 of diameter d4 and backup rolls 38,40 of diameter D4. The next stand has work rolls 44,46 of diameter d5 and backup rolls 48,50 of diameter D5. The next downstream stand has work rolls 54,56 of diameter d6 and backup rolls 58,60 of diameter D6
Abstract: According to the chatter phenomenon of 3 rd stand of a steelworks six-roller tandem cold mill (TCM), vertical vibration of tandem cold mill was simplified to eight degrees of asymmetric freedom mass-spring system. Virtual prototype model on vertical vibration of tandem cold mill was established and natural frequencies and main vibration mode of mill were solved by using automatic
4 High Rolling Mills For Sale, New & Used | MachineSales.com. MACHINE: # 12272 Four-high mill Norton 650 Year of Manufacture 1966 - major repair - 2007 Technical data: - Thickness range of rolled strip 14,5 - 1Machine # 12215 manufacturer: e w bliss co type MILL: 4 high non reversing rolling MILL work roll …
Jul 13, 2017 · Arcelormittal-Weirton, Llc: At 11:30 a.m. on July 13, 2017, Employee #1 was assisting in the backup roll change on the 9 Tandem Mill. This process required subfloor sections to be removed to access the rolls located in the nine foot pit below. Following the change out, a subfloor section was being lowered back into the pit
Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. The diameter of roll barrel is 350~1800mm. The material of back-up roll includes 60CrMo, 9Cr2Mo, …
Tandem Mill Back Up Roll Reversing Mill Back Up Roll : General Use : FB-7 : 5%Cr Steel : Tandem Mill Back Up Roll Reversing Mill Back Up Roll : High Hardness Deep Hardness penetration : NBR : Special Material : Continuous Tandem Mill Back Up Roll : Fatigue Resistance Wear Control : NBX : Special Material : Hot Strip Mill Back Up Roll for High Speed Steel Work Roll : Wear Resistance
Tandem Mill Weirton Backup Rolls Tandem Mill Back Up Roll Reversing Mill Back Up Roll. High Hardness. Get Price; Edge Drop Control Technology of 4tandem mill back up rolls in valparaiso - casaferrari,Tandem rolling mill - Wean United, Inc. - Free Patents Jul 15, 1986· A tandem rolling mill having a plurality of stands with each stand having a pair of work rolls and a pair of backup rolls
In tandem cold mill (TCM), strip passes through individual pairs of work rolls. Each work roll is supported by a backup roll of a large diameter [ 2, 14 ]. In order to achieve good tension control, tensiometer is the reliable instrument to measure the tension between stands
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Rolls Specification Of 4 High Reversing Roughing Mill. FOB Reference Price: Get Latest Price. About 5 of these are rolling mill, 2 are rubber two-roll mills, and 1 are grinding equipment. A wide variety of rolling mill rolls options are available to you, There are 195,641 rolling mill rolls suppliers, mainly located in Asia
Apr 14, 2021 · Weirton Steel is a formerly integrated steel mill in Weirton, West Virginia. History Ernest T. Weir, who started as an office assistant at U.S. Steel Corporation, had risen through the ranks to become the general manager of a tin plate mill in Monessen, Pennsylvania
Feb 27, 2020 · The back up roll and work roll can be used for cold rolling mill. The forged rolls are produced by steel-making, refining and forging. A homogenous highly dispersed structure provides mechanical properties of the internal layer for complicated heat treatment
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