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· Reversing mill . In two high reversing rolling mills, the rolls revolve ist in one direction and then in the various others, to ensure that rolled steel may pass to and fro via the rolls a number of times. This kind is made use of in plumbing and also slabbing mills and for roughing operate in plate, rail, structural, and also other mills.
4-High Reversing Roughing Mill and Vertical Edger 4-High Reversing Finishing Mill with Steckel Furnaces – United Engg Automatic Gauge Control, work roll bending in the finishing mill to give the strip a better profile and gauge
Roughing Mill - an overview | ScienceDirect Topics. Roughing mill rolling of reheated slab: The roughing mill usually consists of one or two roughing stands in which the slab is hot rolled back and forth 5 or 7 times repeatedly to reach the minimum thickness requirement. The roughing mill also contains edger rolls that are used to roll . Get Price
Configurations. Mills are designed in different types of configurations, with the most basic being a two-high non-reversing, which means there are two rolls that only turn in one direction.The two-high 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.
Hani Tech undertake turnkey project for Steel Narraw Strip Rolling Mill (Cold rolling mill), can provide design and manufacturer service for rolling raw material thickness ≤ 4 mm, width ≤ 800 mm, made of plain carbon steel, low alloy steel, stainless steel and non-ferrous metal strip, used for roughing or roughing mill.
Wide Strip 4 High Continuous Finishing Wide Strip 4 High Reversing Roughing/Finishing Cold Reduced Strip 4 High Continuous Work Rolls Sheet and Coil 2 High Skin Pass Work Rolls Sheet and Coil 4 High Temper Back Up Rolls DEPTH OF HARDNESS Surface Discard H 'C' 90 85 80 75 70 65 60 55 50 45 40 35 30 25 AIM CHEMISTRY (WT%) Code Leeb E Shore C C Si ...
Tags Metal Processing Machinery, Rolling Mills; Four Types of Rolling Mills. In the past two articles we briefly outlined rolling mills, and also expounded on three different types. In this article, we will finish the series outlining the differences between a four-high rolling mill, cluster rolling mill, continuous mill and a planetary rolling mill.
Rolls in hot rolling mills have to withstand harsher and harsher conditions throughout the decades. In the early 2000's, problems of bonding zone fatigue (before reaching scrap diameter of the work rolls) started to occur in some mills. Since then, year by year, increasing fatigue issues were encountered in reversing roughing mills worldwide.
Roughing End Mills - Cobalt and High Speed Steel. Regal Cutting Tools manufactures a variety of roughers for a wide range of materials and conditions. Heavy cuts can be achieved because our roughing end mills have a much higher effective feed per tooth than a conventional end mill. Normally a 20% reduction in effective horsepower is used.
Hello guys in this video I have discussed about-Two high rolling mill,Continuous Reversing rolling mill,Three high rolling mill,Four high rolling mill,Cluste...
Complete Coil Plate Mill (EU) – main equipment; 2 no. reheating furnaces; Davy 4 high reversing roughing mill; Davy crop shear; 6 no. Davy 4 high finishing stands; 2 no. downcoilers; – plus all ancillary/supporting facilities. Sold to China.
The new designed four-roll precision hydraulic reversing mill is widely used for rolling medium wide-strip mill due to its simple structure, convenient maintenance and low investment cost. 0086 29 8536 7200
The four-high reversing roughing stand rolls the slab down to the transfer-bar thickness calculated by the pass-schedule model, in five to seven passes. The roughing stand has hydraulic roll-gap adjustment sys-tems and a maximum roll force of 45 MN. The transfer bar width is preset by means of the edger which is flanged at the entry side.
Hot Rolling Mill complex is equipped with walking beam reheating furnace, primary descaler, 4-hi reversing roughing mill, 4-high reversing Steckel Mill, down coiler, laminar cooling & roll grinding machines, procured from world renowned suppliers.
Table 1 summarizes the main mill and product specifications, and Figure 1 shows the general line layout. MILL EQUIPMENT. The line consists of a 4-high reversing roughing mill (R2) equipped with hydraulic gap control and a vertical edger at the entry side (Figure 2).
4-High Rolling Mills Four-high rolling mills can be put in tandem, two to seven stands, instead of a reversing mill. They can be equipped with load cells to tell …
Rolling of metals. primary roughing mill blooming slabbing or cogging mills These mills are normally twohigh reversing mills with 0 61 4 m diameter rolls designated by size The objective is to breakdown the cast ingot into blooms or slabs for subsequent finishing into bars plate or sheet In hotrolling steel the slabs are heated
TDI Group, LLC .P.O. Box 38657 .Pittsburgh, PA 15238-8657 . Tel: 412.826.4950 . Fax: 412.826.4959 . MATERIAL PROCESSED: Steel, Strip
4-Hi reversing roughing mill for hot strip mill - Part 2: General technical specification: JB/T 13527.2-2018: JB/T 13528.1-2018: Edger mill of rough rolling for hot strip mill - Part 1: Performance parameters: JB/T 13528.1-2018: JB/T 13528.2-2018: Edger mill of rough rolling for hot strip mill - Part 2: General technical specification: JB/T ...
rolls specification of 4 high reversing roughing mill - Know More This upgrade is to integrate a roughing mill and a new three-roll Precision, mill will be of semi-continuous arrangement consisting of a two-high reversing mill, Get Price Rolling metalworking - …
descale system: high pressure water vertical edger: 2000 hp motor roughing mill: 4 high reversing mill 2 x 6000 hp motors, 40/100 rpm 44" x 62" x 80.7" finishing mill: five (5) 4 high mesta on 18 ft. centers (5.48 m) stand no work roll dia. work roll face backup roll dia backup roll face dc motor hp @ rpm (2 x 5000) f1 26" 80.7" 54" 80.7 ...
Features. 1. Configurable work roll bending roller device, 2. The whole machine structure is simple, easy maintenance operation, less investment. 3. Screw down has two kinds control method, ordinary electromechanical screw down and AGC hydraulic screw down. AGC 4-hi rolling mill control accuracy, especially suitable for high precision cold ...
Reversing Cold Mills (RCM), consisting of a rolling stand, are the ideal plant type for an annual production in the range of 100,000 to 500,000 tons. They can roll a wide range of steel grades. Reversing cold mills are also a good solution for demanding silicon or stainless steels. We offer you the right type of stand for every product mix.
In general, non-reversing 4-HI mills are used as aluminum foil mills which comprise ① a roughing mill, ② an intermediate rolling mill, and ③ a finishing mill, according to the intended thickness and production amount (rolling time) of the foils. In …
4.DC feed roller motors in front of the mill. Mfc. KLOSE Built: 5.High pressure water descaling Mfc. Sack Built: 6.Two high reversing roughing mill with dc motor rated on 4000 KW (dimension of rolls 2150*1140 mm) Mfc. SACK-MESTA, ASEA Built: 7.Roller table with dc motors in front of the finishing mill. 200 x 0.77 KW Mfc. KLOSE Built: 8. Roller ...
The second mill is a four-high non-reversing mill, which means that there are four rolls piled, as it were, one above the other. Only the two inner rolls, however, are power-driven, the outer rolls being driven by friction from them. This appears to be an unnecessary arrangement as the material is not passed between the outer and inner rolls ...
2. Three High Rolling Mills. It consists of three rolls positioned directly over one another as shown in the figure below. The direction of rotation of the first and second rolls are opposite as in the case of two high mills. The direction of rotation (path) of second and third rolls is always opposite to each other.
Forged and Cast Rolls ™ DESCRIPTION APPLICATIONS Product Type of Mill Position Plate 2,3and 4 High Roughing/Finishing Wide Strip 4 High Continuous Finishing Wide Strip 4 High Reversing Roughing/Finishing Cold Reduced Strip 4 High Continuous Work Rolls Sheet and Coil 2 High Skin Pass Work Rolls Sheet and Coil 4 High Temper Back Up Rolls DEPTH ...
A large variety of roughing mill configurations is possible, from single-stand reversing mills to multi-stand, one-directional mills, referred to as roughing trains. These usually have a scale breaker as the first stand where the mill deforms the slab sufficiently just to loosen the scale, which is then removed by the high-pressure water jets.
steels, High strength low alloy steels etc., which are extensively used in industrial sectors. Hot rolling mill complex is equipped with walking beam re-heating furnace, primary descaler, 4-hi reversing roughing mill, 4-high reversing steckel mill, down coiler, laminar cooling and roll grinding machines, procured from world renowned suppliers.
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 adjustment device is installed on the frame.
Reversing Mill Plate - Atlantic Steel . This is stocked from 8mm to 50mm and in widths 1000, 1250, 1500, 2000, 2500 and 3000. Material can be cut …
110" Roughing Mill: Mesta, 1941 Four - Hi Reversing Mill 48" to 52" diameter x 108" Backups 35" to 39" diameter x 110" Work Rolls 5000 HP Single motor drive Operated @ 7200 HP RMS with active cooling Back Up Roll Chocks - 8 (ie: 2 Per Roll, Enough for 2 Top Rolls and 2 Bottom Rolls) Work Roll Chocks - 8 (ie: 2 Per Roll, Enough for 2 Top Rolls ...
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