Roll Pass DesignIspatGuru

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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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 Millsdd 9 10/24/2011 4 20 50 PM. 10 Temperature Rise Limit

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Intelligent Techniques for Condition Monitoring of Rolling

An important stage in the rolling is the automatic adjustment of plate shape which means a variation of the slab thickness profile to minimise the variation in the plate symmetry. The hydraulic system of the rolling mill is presented in Figure 1. Condition monitoring and diagnosis of a steel rolling mill requires a variety of measurement

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12 Basic Motor Types Used For Industrial Electric Drives EEP

Let s now observe 12 basic motor types used for different industrial electric drives DC series and DC shunt motor compound motor three phase synchronous Home / Technical Articles / 12 Basic Motor Types Used For Industrial Electric Drives. it is used for heavy duty applications such as electric locomotives steel rolling mills

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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

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500000ton rolling millYouTube

May 08 2015 · This rolling mill produce rebar 8mm to 36mm with 12 meter. The input billets 150x150 x 12 meter .Annual capacity is 500000ton.We also produce Morgan rolling block mill for

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Rolling of metals types analysis defects rolling mills

Jun 23 2015 · Project Name To prepare e-content and video in the area of Manufacturing Technology for UG and PG students and Industry area Project Investigator Dr. Santosh Kumar.

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Roll pass design in continuous bar millsSlideShare

May 18 2015 · Roll pass design in continuous bar mills 1. African Foundries Ltd. Lagos Nigeria Presented by Rahul Kishore 2. Basics of Rolling A rolling mill consist of several at least two rolls cylindrical or nearly cylindrical bodies which are termed as "roll" and which rest in bearings at their ends. The normal and average center distance from the center of one roll to the center of o

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4-High Rolling Mills Metal Processing American Steel

This is becoming common whether a 2-high 4-high 6-high or cluster mill. Before dual motor drives rolls had to be ground the same diameter. If one roll needs to be ground the opposing roll must be ground at the same diameter. Four-high mills are very common for steel aluminum copper and any high production metal rolling.

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4-High Rolling Mills Metal Processing American Steel

This is becoming common whether a 2-high 4-high 6-high or cluster mill. Before dual motor drives rolls had to be ground the same diameter. If one roll needs to be ground the opposing roll must be ground at the same diameter. Four-high mills are very common for steel aluminum copper and any high production metal rolling.

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New Micro Steel Mill is Competitive Despite Low Steel Prices

New Micro Steel Mill is Competitive Despite Low Steel Prices As a result steel mills were historically located on major waterways and at one time defined the economies of states like Wisconsin Michigan Ohio and Pennsylvania. integrating continuous casting and hot rolling technologies to produce long goods cost-effectively and with

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SOLUTIONS FOR HOT ROLLING MILLS

SOLUTIONS FOR HOT ROLLING MILLS EVERY AREA OF YOUR HOT ROLLING MILL To ensure optimal steel quality partner with Spraying Systems Co. for superior products and service. Our product offering includes a wide range of nozzles and headers for descaling cooling scale removal and more. design cooling calculations specialized testing and

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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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The McDonald Mill Part II Examples and Rolling Steel

Plan ReviewThe 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 IIby Jock Dempsey Part I At 25 RPM with a 1 HP motor the final torque is 2250 inch pounds.

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Fives cold rolling mills chosen for stainless expansion

Fives cold rolling mills chosen for stainless expansion project. 05/07/2018 Steel China. On 30 June 2018 Fuxin Special Steel Co. Ltd. Taiwan and Fives international engineering group signed a contract for coil preparation lines and cold rolling mills for stainless steel production in China.

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Strip Width Calculation for Tube Mills Pipe Mills and

Disclaimer. The above information is an estimate only and should be treated as such. Due to different variables on different mills the width(s) calculated are strictly approximate and should be proven out before ordering an abundant supply.

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Roll Pass DesignYouTube

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Mar 09 2018 · Watch how an optimum roll pass design leads to the distribution of loads across rolls ensuring better rolling quality and reduction in specific power consumption. United Nations Development

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The McDonald Mill Part II Examples and Rolling Steel

Plan ReviewThe 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 IIby Jock Dempsey Part I At 25 RPM with a 1 HP motor the final torque is 2250 inch pounds.

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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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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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Calculation of Rolling Load and Torque in the Hot

This paper presents a completely new approach to the mechanics of the Sendzimir hot planetary rolling mill. Previous work on this subject by R. Tovini included determinations for the distribution of the advance of the strip the draft the rolling load the torque and the horizontal backthrust for the whole range of positions which the planetary rolls made whilst contacting the hot metal.

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PROCESS OF ROLLING MILLS

Feb 25 2016 · Calculation of roll force is important because calculation of torque and power in a rolling mill is based on calculation of roll force. design. Rolls are the tools of the rolling mill and are

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Used Rolling Mills for sale. Sweco equipment more Machinio

Search for used rolling mills. Find Sweco Bliss and Raymond for sale on Machinio. Manufacture and Design C-E Raymond model # 5048 High side roller mills Components / Inclusions Internal grinding components Loesche dynamic air separator with drive All hydraulic systems 1250 HP 1170 RPM 60 Hz mill drive motor. Langley British

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Roll Pass Designing in Continuous Bar Mills

Jul 29 2010 · How sophisticated is this apparently crude looking art of steel rolling. Roll Pass Designing in Continuous Bar Mills 1. Presented by ANSAR HUSSAIN RIZVI Manager (Production) Roll Pass Designing in Continuous Bar Mill (CBM) structure consists of a number of independent stands. Independent means that each stand has its own motor (and

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Rolling of Metals Process and Principles (With Diagram)

The rolling process is shown in Fig. 2.1 Rolling is done both hot and cold. It is accomplishes in rolling mills. A rolling mill is a complex machine having two or more working rollers supporting rollers roll stands drive motor reducing gear flywheel coupling gear etc. Rollers may be plain or grooved depends upon the shape of rolled product.

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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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steel rolling mill motor design calculations

steel rolling mill motor design calculations Bar Rolling Mill SolutionHani Tech. Each unit is composed of six short stress rolling mills arranged alternately by horizontal rolling mills and vertical rolling mills of which the 16th and 18th are horizontal-vertical convertible mills and each stand is driven by a DC motor alone. The whole

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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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(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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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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A BASIC UNDERSTANDING OF THE MECHANICS OF

As regards "abnormal" rolling conditionswhich are more or less very "normal" for rolling millsroll damage often occurs with consequences for the mill and the rolled product. Evidently the reasons of roll

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steel rolling mill motor design calculations

steel rolling mill motor design calculations Bar Rolling Mill SolutionHani Tech. Each unit is composed of six short stress rolling mills arranged alternately by horizontal rolling mills and vertical rolling mills of which the 16th and 18th are horizontal-vertical convertible mills and each stand is driven by a DC motor alone. The whole

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Rolling of Metals Process and Principles (With Diagram)

The rolling process is shown in Fig. 2.1 Rolling is done both hot and cold. It is accomplishes in rolling mills. A rolling mill is a complex machine having two or more working rollers supporting rollers roll stands drive motor reducing gear flywheel coupling gear etc. Rollers may be plain or grooved depends upon the shape of rolled product.

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The Hot Rolling ProcessCalifornia 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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Understanding Rolling Process in Long Product Rolling Mill

Nov 27 2015 · cobble grooves mill speed motor roll gap rolling mill rolls tension control yield Understanding Rolling Process in Long Product Rolling Mill Steel rolling consists of passing the material usually termed as rolling stock between two rolls driven at the same peripheral speed in opposite directions (i.e. one clockwise and the second

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