stand of finishingrolling mill

stand of finishingrolling mill

Rolling Mill Stands – IspatGuru

Oct 06, 2020  The cluster mill stand has two work rolls and four or more backup rolls. The number of backup or supporting-rolls depends upon the amount of support needed for the work (small diameter) rolls. Cluster mill is normally used in cold-rolling operation. The cluster mill stand can have six rolls, 12 rolls, or 20 rolls.

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XT MILL ROLLS NORTH AMERICA

YGH45. Used in the first and second stands of finishing rolling mills and in the stands of per-finishing rolling mills. For every stand of rolling lines for low speed rolling , low precision and unstable operations. YGH55. High binder content in YGHseries, good toughness and thermal crack reslstance.

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Rolling of Steel in a Modern Long Product Rolling Mill ...

Jun 19, 2017  The final dimensional quality of the rolled product is determined by the rolling stands within the finishing mill. The dimensional accuracy in the final product depends on many factors including the initial stock dimensions, roll pass sequence, temperature, microstructure, roll surface quality, roll and stand stiffness and the stock/roll friction condition.

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Finishing Mill - an overview ScienceDirect Topics

1.2.5 Cooling. After exiting the finishing mill, the strip, at a temperature of 800–900°C, is cooled further under controlled conditions by a water curtain on the run-out table. The run-out table may be as long as 150–200 m. Cooling water is sprayed on the top of the steel at a flow rate of 20,000–50,000 gpm; and on the bottom surface at ...

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Roughing Mill - an overview ScienceDirect Topics

Consider the hot rolling of a low-carbon steel strip in a single stand roughing mill. Let the entry thickness of the slab be 20 mm and its width to be 2000 mm. Its resistance to deformation is taken to be 150 MPa. It is reduced by 30% using work rolls of 800 mm diameter, rotating at 50 rpm.

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Steel Roughing Rolling Mill Stand - Hani Steel Rolling Mill

The steel roughing rolling mill stands are used to reduce the thickness of the steel while at the same time extending the overall length. Steel Roughing rolling mill stand is an important part of a work stand, roll bearing chock and roller

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Finishing Mills----Steel Rolling Mill Machine Manfacturer

Finishing mill is the top cross 45° high-speed wire rod finishing mills designed for producing wire rod. Rolling by 10 unit rack continuous micro-tension rolling mill, the Φ17~Φ21 mm of rolled piece can be rolled into Φ5.5~Φ16 mm wire rod. The mill guaranteed exit speed is 90 m/s. (When the final wire rod size is Φ5.5 mm)

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Short Stress Mill Stand - Bar Rolling Mill

Ф285 Pre-Finishing Mill Vertical Loop. Process parameters: (1) Specifications of the first stand inlet: F28 ~ F31mm; Specifications of... Inquire Now. Ø320 High Speed Bar Cantilever Mill. Product Application: high-speed wire rod production line finishing mill. Inquire Now. 90M Finishing Mill Group. The finishing mill group is designed for ...

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4 6 HIGH MILL STANDS

Casey has Mill Stands for rolling and producing Blooms, Billets, Bars, Slabs, Plate and Sheet products. The mill stands may be used as originally designed for hot roughing and finishing rolling or cold rolling for product reduction or temper rolling. Contact Casey Equipment for a quote on used 4 6 high mill stands for sale.

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XT MILL ROLLS NORTH AMERICA

YGH45. Used in the first and second stands of finishing rolling mills and in the stands of per-finishing rolling mills. For every stand of rolling lines for low speed rolling , low precision and unstable operations. YGH55. High binder content in YGHseries, good toughness and thermal crack reslstance.

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ROLLING PROCESS AND ROLLING STAND OF STEEL PLATE -

In the finishing rolling stand of the 1422 mm hot strip mill the present invention was applied to the fourth rolling stand of the tandem rolling mill consisting of seven rolling stands as shown in FIG. 7. Namely the grooved roll was adopted as the upper working roll, whose diameter was a standard diameter of 360 mmφ.

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Carbides — PCC

Used in the first and second stands of finishing rolling mill and in the stands of pre-finishing rolling mills. For every stand of rolling lines with slower speed, low precision and less stable operations. WC 75 CoNiCr 25 Hardness ≥80.5 Density 13.0±0.15 TRS 2450. PCR30 ...

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The Hot Rolling Process - California Steel

CSI’s Hot Strip Mill includes six finishing mills, which reduce the thickness of the transfer bar down to the gauge required by the customer or the next process. The rolling speed is set to allow the last stand to perform the final reduction at the finishing temperature, between 1500° to 1650°F, specified to reach certain mechanical properties.

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US4580428A - Hot-rolling mill and process for producing ...

A hot-rolling mill for producing sheet metal has a reversing roughing stand having pairs of roughing rolls and a reversing finishing stand adjacent thereto and having pairs of finishing rolls. Each stand is selectively operable alone and both stands are operable in tandem operation. The roughing rolls have diameters larger than the diameters of the finishing rolls and the finishing

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Simulation of Thermo-mechanical Deformation in High Speed ...

Rod mill with a four stand finishing block. 5 Figure 2.2. Proposed off-line finishing rolling process rod and bar simulation model. The shaded part of this proposed model is only considered. 8 Figure 2.3. Coupling scheme for macroscopic and microscopic models. 9 Figure 3.1. Spread and side free surface.

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Common pile-up accidents in steel rolling and their ...

(3) The import guide for the final stand of finishing rolling; (4) The water-cooled guide groove is severely worn; (5) After the finishing mill, a certain water tank or a certain water valve is adjusted too large, resulting in large water resistance or residual water in the water tank (6) Problems with the installation or design of the spinning ...

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Technical Report UDC 621 . 771 . 25 Progress of Bar and ...

rolling mill, and 4 stand finishing rolling mill) was built by Morgan-Sumitomo Heavy Machinery Co. Ltd.. In the 1980s, the aimed qual-ity of products was shifted toward high-value-added special steel quality, and, to achieve this, in 1986, a three-roll finishing rolling mill (applied to products of 13–70 mm in diameter) was employed for the ...

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Short Stress Mill Stand - Bar Rolling Mill

Ф285 Pre-Finishing Mill Vertical Loop. Process parameters: (1) Specifications of the first stand inlet: F28 ~ F31mm; Specifications of... Inquire Now. Ø320 High Speed Bar Cantilever Mill. Product Application: high-speed wire rod production line finishing mill. Inquire Now. 90M Finishing Mill Group. The finishing mill group is designed for ...

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Rolling Mill Stands, Steel Mill Stands, Fiber Mill Stands ...

Mill Stand can be made available by us from 210 mm (8inch) size up to 600 mm (24inch) size options. Here, we make use of only steel casting C.I ultra sonically tested material in grades as per the specified requirements so as to provide for optimum functional support in the offered mill stand

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China Finishing Mill Stand Block - China Rolling Mill ...

The function of 135m finishing mill group The finishing mill group is composed of top crossed 45° High-speed wire-rod finishing millsperiod; The finishing mill group is located in high-speed wire-rod workshopperiod; Through 10 unit rack the continuous micro-tension rolling mill will be transported upstream Æ 17 ~ Æ 21mm of rollingcomma; rolling become Æ 5period;5 ~ Æ

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CHARACTERIZATION OF THE FRICTION CONDITIONS IN THE ...

rolling stand of the finishing mill. As one can see, the frac-tion of good records fall slightly from F1 to F4 but, anyway, for such stands this fraction was greater than 99%. The situation of F5 is somewhat worse, with 92% of good data records, but F6 shows unsatisfactory results, as this

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Carbides — PCC

Used in the first and second stands of finishing rolling mill and in the stands of pre-finishing rolling mills. For every stand of rolling lines with slower speed, low precision and less stable operations. WC 75 CoNiCr 25 Hardness ≥80.5 Density 13.0±0.15 TRS 2450. PCR30 ...

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The Hot Rolling Process - California Steel

CSI’s Hot Strip Mill includes six finishing mills, which reduce the thickness of the transfer bar down to the gauge required by the customer or the next process. The rolling speed is set to allow the last stand to perform the final reduction at the finishing temperature, between 1500° to 1650°F, specified to reach certain mechanical properties.

Read More
Common pile-up accidents in steel rolling and their ...

(3) The import guide for the final stand of finishing rolling; (4) The water-cooled guide groove is severely worn; (5) After the finishing mill, a certain water tank or a certain water valve is adjusted too large, resulting in large water resistance or residual water in the water tank (6) Problems with the installation or design of the spinning ...

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The method of hot rolling thin strips and mill for its ...

The mill is equipped with convolutional machine, the distance between which and the roughing stand is selected from the condition that it is not greater than the length of the strips in the penultimate odd rough passage, and the distance between the roughing stand and the first stand of the finishing mill group villamantilla mathematical ...

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Rolling Mill Cooling Bed – IspatGuru

Jun 22, 2019  The mechanism ensures that the bars are uniformly positioned over the toothed rakes. The cooling bed is usually designed considering the smallest and the maximum size of the bars being rolled, delivered from the finishing rolling stand of the mill, and the cooling time required for the various sizes of the bars.

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Simulation of Thermo-mechanical Deformation in High Speed ...

Rod mill with a four stand finishing block. 5 Figure 2.2. Proposed off-line finishing rolling process rod and bar simulation model. The shaded part of this proposed model is only considered. 8 Figure 2.3. Coupling scheme for macroscopic and microscopic models. 9 Figure 3.1. Spread and side free surface.

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Rolling Process: Working, Application, Defects, Type of ...

Three-High Rolling Mills: In this mill, the three rolls stand in parallel one by others. The rolls are rotating in opposite directions. In this mill, between the first and the second rolls, the material passes. If the second roll rotates in a direction then the bottom roll rotates in another direction. The material is rolled both in forward and ...

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Steel Rolling Mill Machine: Selection of Rolling Mill ...

Jul 02, 2020  Centrifugal casting tungsten carbide roll: at present, the finishing rolling speed of many wire rod mills has exceeded 120m / s, so the centrifugal casting tungsten carbide roller is used for pre-finishing mill stand and finishing mill stand.

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Hot-rolling mill and process for producing sheet metal ...

What is claimed is: 1. A hot-rolling mill for producing sheet metal, comprising a reversing stand having pairs of roughing rolls and a reversing finishing stand adjacent thereto and having pairs of finishing rolls, the roughing rolls having diameters larger than the diameters of the finishing rolls and the finishing rolls being operable at a higher rotary speed than the roughing rolls, each of ...

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Zhuzhou UKO Precision Carbide CO.,LTD

stands of finishing mills YGH40 Best for general purposes. Used in the front stands of good rolling mills and in the rear stands of common rolling mills. YGH45 Used in the first and second stands of finishing rolling mills and in the stands of pre-finishing rolling mills. For every stand of rolling lines for low speed rolling, low precision and ...

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