The present investigation devises a flatness control strategy for a five-stand tandem cold rolling mill. In addition, intermediate roll shifting (IRS)–induced rigidity characteristics of the six-high Universal Crown Control mill (UCM mill) as a key model for the automatic thickness and flatness control systems are established.

Tandem type cold rolling mills used for larger scale production, whereby the strip undergoes a single pass through a train of rolling stands before being wound into coil form"[1, 2]. The tandem cold mill at Maaden rolling mill facility is a 4-stand; 4-high mill designed to roll aluminum strips with maximum incoming thickness of 6 mm and a ...

The results are beneficial for thickness and tension control of the two stands reversible cold rolling mill. Key words: two stand; reversible cold rolling; thickness; tension; control strategy the rolling power equation and the related sub-mod› els. In the cold rolling process. the main rolling pa› rameters include the entry ...

This allows to produce cold band quality with narrow tolerances. Mills for cold reductionCold rolling mill type Typical mill stand types Production capacity (t/y)1 Strip speed Type (m/min)1 Single-stand reversing mill 4-high, 6-high, (S6-high) 150,000 - 450,000 up to 1,500 Discontinuous Discontinuous tandem mill... Open the catalog to …

The overall frame structure of the sendzimir 20 high rolling mill has the advantages of great rigidity, bearing the rolling force along the entire width of the rolling mill through the backing bearing, and therefore the longitudinal and lateral dimensional accuracy of the strip is high. Therefore, it has been widely used in the cold rolling ...

Founded in 2010,VSR Rolling Mills & Machinery Private Limited is a leading manufacturer, exporter, and supplier of high-quality capital equipment for the metal processing industry, specializing in Rolling …

4-high Cold Rolling Mills. DANIELI FRÖHLING's 4-High Mills are used throughout the Ferrous and Non-Ferrous Metals Industries. They are in operation for heavy gauge breakdown rolling, intermediate and thin strip finish rolling, as well as for cladding and temper rolling. Single stand Reversing Mills are the most flexible type of application ...

Up to 1000 m/min. Cold Rolling Mill. It includes Single Stand CRM and Multi-Stand CRM, which is to accurately roll the HR strips, aluminium foil, sheet. The Line is composed of Rolling, Hydraulic and AGC System, Automatic Thickness Gauge, Uncoiler and Recoiler, Cooling System, Automatic Welding. The Technical Specification of 6-hi CRM is as below:

The proposed optimization method was successfully applied to a 1450-mm 5-stand tandem cold mill. Application results show that the optimized rolling schedules are more close to the actual ...

Quard® abrasion resistant plates are delivered with hardness of 400 HB (Quard® 400), 450 HB (Quard® 450) and 500 HB (Quard® 500), with thicknesses ranging from 3.2 mm to 64 mm and widths from 1,500 to 3,100 mm.Tighter thickness tolerances, superior flatness, better surface finish ... The way of making our steel slabs, of rolling our plates ...

Digital. 1. With intermediate roll shifting and horizontal roll stabilization, it is designed for high production of wide and thin gauge strip with superior thickness and flatness tolerances. Available features include: Automatic …

Each rolling stand consists of a top and a bottom roll, driven through a gearbox by an electric motor. The rolls of the stands have contours or "grooves" machined into the rolls, so that the hot billet passing between the grooves is reduced in size and shaped by each subsequent stand. Typical motor sizes for modern mills is 600kW to …

This paper focuses on interstand tension control problem in 5-stand tandem cold rolling mills. Tension dynamics can be described by a nominal model perturbed by parametric uncertainties. In order ...

COLD ROLLING MILLS (6-Hi / 20-Hi, / 4-Hi 2 Stand Tandem) GALVANIZING LINES (Galvlume, Galvanizing-Non Ox/Wet Flux) ... Most Conventional & Popular Mill for Rolling up to 0.2mm Output Thickness from Input strip thickness of 1.6 to 1.8mm (Provided all other features of Emulsion ... Special Mill Features. Automatic Gauge Control (Close Loop …

The 2 High rolling mill typically have larger diameter work rolls that are positioned with actuators that either have: Hydraulic. Pneumatic. Electro-mechanical. Element's 2 high rolling mill incorporate design considerations to counteract the roll bending stresses present when reducing material. These designs can range from simple crowning of ...

HSS is normally rolled in tandem cold mills (TCMs) that employ 4-high or 6-high rolling stands with work-roll diameters ranging from 630 mm to 420 mm. HSS exceeding 980 MPa has been manufactured by extending TCMs with the installation of an additional mill stand. However, the demand for steels with up to 1,500 MPa makes it …

Zhenjiang Hongye Science & Technology Co., Ltd: Main equipment products: hot rolling mill, casting mill, cold rolling mill, aluminum foil mill, slitter, etc. China's most professional aluminum processing equipment manufacturing enterprises can provide customers with a complete set of aluminum processing enterprise solutions and production processes. …

The elastic deformation of rolling mill elements during the rolling process is important. By knowing the displacement of rolls, the optimum gap between the work rolls can be calculated. In present research, a vibration model with two degrees of freedom is proposed for a cold sheet rolling mill and the stiffness parameters of different mill …

Twin Stand Mills are termed as CCM, or Compact Cold Mills. With over 5 CCMs supplied and 2 single stand mills upgraded to CCMs, Esmech has a considerable experience in these Mills. CCMs typically have around 160-170 % of a Single Stand Mill capacity, and are quite cost effective due to the fact that the operating crew is the same, it occupies a ...

To satisfy this demand, a 5-stand Tandem Cold Mill using 6-high Universal Crown Control Mill (UC-MILL) for all stands has become the standard as a highly effective solution. UC-Mill features: Work roll bending. Work roll shifting. Intermediate roll bending. Intermediate roll shifting. Super heavy reduction. High strip shape control ability.

2 Hi Cold Rolling Mills. The 2Hi Cold Rolling Mill are used for rolling of sheets, plates and coils of softer metals like Aluminum, Copper, Brass, Lead etc. to higher thickness (normally above 1 mm). We have manufactured more than 200 such rolling mills ranging from 50 mm width to 2000 mm width running successfully all over India and abroad.

Quard 450. Steel description and applicationsQuard 450 is a martensitic abrasion resistant steels, ith an average hardness of 450 HBW. The steel offers very high resistance to abrasive wear and im. act granting a longer service life. The combination of very good cold forming properties and excellent weldability makes Quard 450 an optima.

A 5-stand cold tandem rolling mill whose first three stands and subsequent two stands, respectively, have four and six rolls was investigated by formulating its dynamic equations with the corresponding structure–process coupling. By applying the stability-based calculation model about the critical rolling speed in each stand, the system ...

The range of steel and tinplate, manufactured on a continuous six-stand cold rolling mill 1400 (capacity about 850,000 tons/year), "Ispat KarMet" (Kazakhstan), is limited to a thickness of 0.18 mm and a width of 936 mm. In Ukraine, all tinplate production is concentrated on PJSC "Zaporizhstal". The domestic producer still does not meet the ...

The Sundwig 20-high cold rolling mill for production of the widest stainless steel precision strip as well as widest strip made of high-strength carbon steel, copper, copper alloys, and special materials in perfect …

Rolling speedat least 5-12 m/s, productivity -from 0.6-0.8 million tons per year [2]. The wide use of mills with 4-high stands of the tandem type in the composition of four and five stands for the ...

Services. If you want to achieve the ultimate surface quality and optimum material characteristics, you need the best available technology. With guaranteed performance, record-breaking achievements, and more than 100 references - including GIGA steel production - our range of DMS 20Hi Cold Rolling and Skin-Pass Mills provide world …

Siemens VAI has modelled the rolling process in order to be able to compare the critical rolling parameters and results of 4-high and 6-high mill stands in cold-rolling tandem mills. This involved ...

In order to lucubrate the rolling characteristic of the two stands reversible cold rolling mill and establish the tension and thickness control strategy, the steady-state characteristic simulating program was established using the steady-state continuous rolling theory. The influences of each factor on exit thickness under different tension …

Lu et al. [12] developed data-driven vibration prediction of cold rolling mill, and proposed the XGBoost model to predict rolling mill vibration. Chen et al. [13] and Pan et al. [14] designed a ...