بيت /Tandem Mill Back Up Rolls
Tandem: Tandem rolling mills are used for multiple pass rolling, combining two or more mill stands. Tandem mills are often used with turks heads, edgers, dancers, interstand tensiometers, payoff and takeup equipment. Horizontal: This type of a rolling mill is designed for the field of powered metallurgy, plastics and battery industries.
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Hydrodynamic rollneck bearings from SMS group are highly advanced and elementary components of modern rolling mill technology. That's because they support the loadbearing backup rolls. Even under extremely tough operating conditions, they ensure long roll service life and minimal maintenance outlay.
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Aug 17, 2019 · Mills are designed in different types of configurations, with the most basic being a twohigh nonreversing, which means there are two rolls that only turn in one twohigh reversing mill has rolls that can rotate in both directions, but the disadvantage is that the rolls must be stopped, reversed, and then brought back up to rolling speed between each pass.
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May 02, 2017 · Planetary Rolling Mill: In this type of rolling machine, a large backup roller is surrounded by various numbers of planetary working rollers as shown in figure. Each planetary roll gives constant reduction. It is used to reduce large thickness in single pass of steel strip. Its rolling capacity is more than cluster machine but less than tandem ...
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Abstract: According to the chatter phenomenon of 3 rd stand of a steelworks sixroller tandem cold mill (TCM), vertical vibration of tandem cold mill was simplified to eight degrees of asymmetric freedom massspring 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 ...
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Innovative technologies. One of the most outstanding products in the ANDRITZ Metals portfolio is its patented S6high rolling mill. This mill is increasingly used for stainless steel strip rolling, either as inline tandem mill for cold rolling or in the entry section of hotstrip stainless steel annealing and pickling lines to roll black hot strip with highest pass reductions and simultaneous ...
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Oct 31, 2013 · Cold rolling in a tandem rolling mill. The rolling mill consists of 57 stands having fourhigh configuration (two large backup rolls and two small work rolls). Annealing at a temperature ºF (600700ºC) in a controlled reducing atmosphere (commonly a mixture of Hydrogen and Nitrogen ) preventing oxidation of the steel surface.
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Tandem cold rolling mills are named by their stand arrangement and designed as "sheet mills" if they reduce hot band to sheet gauge or "tin mills" if they roll the same incoming material to tinplate stock. A typical five stand tandem cold rolling mill is illustrated in Figure 1. Figure 1: A typical five stand tandem cold rolling mill
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Abstract: The taper work roll of the 1700 mm tandem cold rolling mills had some problems in the course of using, and the taper roll contour was ground difficultly and the difference between the designed contour and grinding contour was very big, and the work roll and backup roll had very serious and nonuniform roll wearing and even often had roll spalling, and above those problems affected ...
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Working Layer Composition. Hardening Depth mm. Roller Appliion. 3%Cr Series. ≥880. 5065. Martensite (bainite) + Carbide. 4060. Single stand mill, Cold Hot rolling tandem mill.
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12. The tandem rolling mill of claim 11 including the smallest diameter backup roll having a diameter of about 85 to 90 percent of the largest diameter backup roll in said finishing train. 13. A tandem rolling mill comprising. a plurality of mill stands each having a pair of work rolls and a pair of associated backup rolls, and.
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Oct 06, 2021 · The main types of mills: backup roll of 650mm Mill, 900mm Mill, 1050mm Mill, 1250mm Mill, 1450mm Mill. BIEC BACKUP ROLLS ARE USED IN 4 HI and 6 HI REVERSING AND TANDEM MILLS FOR ALL PRODUCT ROLLING SUCH AS STEEL, STAINLESS, ALUMINUM,BRASS, COPPER UPTO SINGLE PC WEIGHING 32000 KGS
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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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Tandem cold rolling mills are named by their stand arrangement and designed as "sheet mills" if they reduce hot band to sheet gauge or "tin mills" if they roll the same incoming material to tinplate stock. A typical five stand tandem cold rolling mill is illustrated in Figure 1. Figure 1: A .
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The tandem mills consists out of a series of rolling stands that thin the steel strips. One of our tandem mills works exclusively for the automotive industry, the other produces products for the remaining branches. After having passed through the cold rolling mill, the steel strip is hardened. This entails that it is no longer able to be ...
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Forged Steel Rolls. Lehigh Heavy Forge produces a full range of forged work rolls, backup rolls, and specialty rolls for ferrous and nonferrous rolling mills. Our forged rolls are unsurpassed in strength and reliability. No matter the appliion, Lehigh Heavy Forge manufactures forged steel rolls to your exact metallurgical and dimensional ...
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Back Up Rolls 56" x "x " long 59,900 Lb. each Roll Neck Bearings: Roller bearing work rolls, Morgoil back up rolls Mill stopped production January 2012 Many rolls, chocks, bearings, and unused spares Scope of Supply: Coil pay off and reel Pinch roll Mill stands (4) including housings, separators, mech screwdowns and shoe plates
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Oct 06, 2020 · The roll rotates to pull and simultaneously squeeze the strip between them. The strip is rolled in several passes either in a reversing mill or in a tandem mill. Each work roll is supported by a backup roll of larger diameter. As the strip passes through the pairs of work rolls in each pass, the thickness is successively reduced.
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Aluminum Mill Rolls: Same as Cold Mill Rolls: Cold Mill Back Up Rolls: WAA36J5B35: Cold Mill Work Rolls (Tandem) First Stand: WAA36J5B35: Other Stands: SA60J1200BCFSI: Cold Mill Work Rolls (Temper) Final Stand: C150NES: Other Stands: SA60J1200BCFSI: Hot Mill Back Up Rolls: Forged Steel or Iron Core: 8BAC362L7B34 or 8BAC362M900B34 ...
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Back Up Rolls: 60" (1524mm) Wide x 48" (1219mm) Diameter Work Rolls: 60" (1524mm) Wide x 20" (508mm) Diameter 5% 75% Reduction Depending on Grade and Width Production Capabilities: 7580,000 tons per month. 80 tons per hour. Mill Includes: Entry Coil Conveyor Coil Box Entry 4 Stand Tandem Cold Mill Post Area: 27" (686mm) x 32" (813mm)
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