steel rolling mill motor design calculations

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POWER IN ROLLING

POWER IN ROLLING Power is applied to the rolling mill by applying Torque to the rolls and by using roll strip . The energy lost in the form of electrical losses in the motor etc., Torque and Power in Cold Rolling . A tandem mill used for the purpose. The design of roll pass is extremely complex and lot of experience is required for the purpose.

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Italy Manufacturer producer rolling mills | Europages

rolling mills - Manufacturer producer - Italy. Refine your search. Locate the companies on a map. BY country . . Hot strip mills for steel Hot rolling. Hot rolling mills for copper Hot rolling. . Impianti specialises in the design, construction, retrofitting, .

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Designing of Hot Strip Rolling Mill Control System

tension is directly related to the production and quality of hot rolled strip steel, therefore tension must be main- . between pinch roll and finishing mill. In order to make full use of the motor torque, the tension control system adopts the maximum torque method [2]. The basic control process is: when the mandrel . Designing of Hot Strip .

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Large AC Adjustable Speed Motors for Metals Rolling Mills

To guarantee the integrity of each AC motor design as well as the highest . reversing mills, bar steel and rod steel rolling, etc. (%) 300 250 200 150 100 50 0 . Large AC Adjustable Speed Motors for Metals Rolling Mills.indd 9 10/24/2011 4:20:50 PM. 10 Temperature Rise Limit

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Rolling (metalworking) - Wikipedia

Modern rolling practice can be attributed to the pioneering efforts of Henry Cort of Funtley Iron Mills, near Fareham, England. In 1783, a patent was issued to Henry Cort for his use of grooved rolls for rolling iron bars. With this new design, mills were able to produce 15 times more output per day than with a hammer. Although Cort was not the first to use grooved rolls, he was the first to .

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Rolling Mill numerical analysis || Hot Rolling Mill - YouTube

Feb 23, 2019 · In this video I have discussed about various numerical analysis related to hot rolling mill. Tags:- rolling mill calculations, rolling mill numerical analysis, hot rolling, roll force, torque .

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Motors for Metal Rolling Mills | TMEIC

AC adjustable speed motor drive systems are the preferred technology for new rolling mill installations and modernization projects. TMEIC designs and manufactures two types of AC solutions for this purpose. Salient pole synchronous motors that meet the high power and torque demands of a hot strip mill, as well as roughing and finishing stands.

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Drive selection for rolling mills - Russula

May 20, 2010 · Long product rolling mills are one of the most demanding applications for motor drives. The rolling process consists of passing a hot steel billet through a "rolling mill", also called a "rolling train". The modern rolling train consists of multiple rolling stands arranged in an in-line configuration. Each rolling stand consists of a top and a .

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FAG Rolling Bearings in Rolling Mills

worked on the design and pro - duction of bearings for rolling mills and gathered extensive experience in this field. This is presented in the present publication. A designer of rolling mills will find here the principles for selection and calculation of roll neck bearings. Their mounting and maintenance is also covered in detail. For any

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HOT ROLLING PRACTICE – An Attempted Recollection

1 HOT ROLLING PRACTICE – An Attempted Recollection Saral Dutta. B. Tech. (Hons.), I.I.T. Executive Director, ISP & RMD, SAIL (Retired) Rolling is a metal forming process in which metal stock is passed through a pair of rolls.

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Designing a Rolling Mill - Machinery General Discussions .

Jan 07, 2014 · I once saw a book on rolling mill design that had the angle of reduction/HP calculations in it. . For the most part, it's hard to feed steel into a mill if the roll bite angle gets bigger than 15 degrees. Advantage: big rolls means it's easier to take a bigger bite. However, you've got two ways around this problem. . Designing a Rolling Mill

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On-Line Flatness Measurement in the Steelmaking Industry

Aug 09, 2013 · Flatness sensing based on pressure measurement is widely used today in the steelmaking industry. In fact, it is the most commonly used technique for flatness measurement in cold rolling mills. Contact flatness sensors for flat-rolling mills and production lines are rollers with built-in sensors.

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The McDonald Mill Part II : Examples and Rolling Steel

Plan Review - The McDonald Steel Rolling Mill, review by Jock Dempsey . Steel Rolling Mill Plans. Examples and Additions to the Review. Building your own and about rolling steel: Review Part II - by Jock Dempsey Part I . At 25 RPM with a 1 HP motor the final torque is ~2250 inch pounds.

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Rolling processes - Al-Mustansiriya University

Rolling processes 5-1 introduction: Rolling is the process of reducing the thickness or changing the cross section of a long workpiece by compressive forces applied through a set of rolls, as shown in figure (5-1). Fig. (5-1) Most rolling is carried out by hot working, called hot rolling, owing to the large amount of deformation required.

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Durham E-Theses Rolling mill roll design

calculation of each parameter is different for each set of different application conditions. . 6.5 Evolution of the Matrix-based Rolling Mill Roll Design 6.5.1 Hierarchical Classification System . 7.4.1 Setting up the Matrix for Section Rolling Roll Design 7.4.2 The Function of Rows in Matrix-based Section Roll Design

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Ensuring quality control at America's largest steel mill .

Archive; Ensuring quality control at America's largest steel mill. Replacing digital linear encoders with magnetostrictive sensors reduces downtime and guarantees on-spec steel products.

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The Hot Rolling Process - California Steel Industries, Inc.

The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semi-finished steel slabs of steel nearly to their melting point, then roll them thinner and longer through 12 successive rolling mill stands driven by motors totaling 77,000 hp, and finally coiling up the lengthened steel sheet for transport to the next process.

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Extreme manufacturing danger: the steel mill cobble .

The size and shape of a steel mill cobble will vary depending upon the diameter of the steel and the speed of the steel line behind it. When you consider these steel cobbles consist of materials heated to well over 1000°C there is really nothing you .

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(PDF) On the Optimization Procedure of Rolling Mill Design

On the Optimization Procedure of Rolling Mill Design. . This article proposes URC Technology to optimize the mill design from model software calculation, to mill window layout, and even to level .

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Roll Pass Design – IspatGuru

Jun 18, 2014 · Roll pass design is an essential part of long product rolling process, since the long products are rolled between the shaped rolls in the long product rolling mills. Roll pass design generally means the cutting of grooves in the roll body through which steel to be rolled is made to pass sequentially to get the desired contour and size. The .

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The Study of Continuous Rolling Mill Inter-stand Tension .

The inter-stand tension inferential control systems are used to stabilize the rolling motor torque. To stabilize the motor torque the electric drive system with the properties of the rolling motor torque supply may also be used.

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: Rolling Mill

Manual Rolling Mill Machine, Combination Rolling Mill Jewelry Press Tabletting Tool Machine 85mm for Jewelry Design & Repair (US Stock) 4.1 out of 5 stars 15 168.00 168 . 00

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Rolling Mill - an overview | ScienceDirect Topics

A d.c. rolling-mill motor operates on a speed-reversing duty cycle. For a particular duty, the field current is maintained constant and the speed is reversed linearly from + 100 to −100 rev/min in a .

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Load Analysis and Driven Power Calculation (4 Roll Bending .

Therefore, precise and reliable design of plate rolls is necessary. First, the force parameters of the roll bending machine need to be confirmed, such as pressure on the roller, bending torque, and motor-driven power. The load analysis of rolling machine can be reference data for designing parts of plate rolls.

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Steelmill.com Steel Mill Equipment, Surplus and Used .

Steelmill.com specializes in the sale of used steel mill equipment and machinery. Inventory items include: Annealing furnaces, Electric Arc Furnaces, Melting and Casting Facilities, Rolling Mills, Recoilers, Mill Stands and more.

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3.8 Sizing Mill || KOBE STEEL, LTD.

Thanks to the original mill drive configuration (1st stand is individually driven by one motor and 2nd to 4th stands are driven by separate motor), various size of rolled materials can be produced from the same roll family of the upper stream mill stands by variable rolling reduction ratio. Accordingly; Mill utilization to be improved due to .

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