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Roll pass design in continuous bar mills - SlideShare

2015-5-18  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

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Roll Pass Designing in Continuous Bar Mills

2010-7-29  Roll pass design in continuous bar mills rahul kishore. Analysis of rolling ... Roll Pass Designing in Continuous Bar Mill Billet Size Area Finished Size Area of finished bar Co-efficient of elongation No. of passes 150 22500 12 113.1429 198.8636

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Roll Pass Design and Simulation on Continuous Rolling of ...

2019-1-1  Alloy steel round bar is designed to be rolled by the initial six passes of a continuous rolling process with alternatively arranged horizontal (H) mill and vertical (V) mill. The roll diameter for the first pass (H1) and second pass (V2) is 700mm and the other four passes (H3,V4,H5,V6) have the roll diameter of 610 mm.

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Computer-aided roll pass design for continuous billet mill ...

A model has been used to calculate pass design of a finishing train of a continuous billet mill producing 60 mm square billet from 120 mm square bloom. The elongation values have been optimized by varying the apex angle of diamond. A close agreement between computed and actual values shows the

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Improvement of the roll-pass design on the continuous ...

Cite this article. Satskii, V.A., Tsybanev, E.G., Ostapenko, V.V. et al. Improvement of the roll-pass design on the continuous billet mill.Metallurgist 17, 511–514 ...

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Effect of pass schedule and groove design on the metal ...

2019-4-9  the two-pass and four pass roll schedules in the continuous hot rolling of a large diameter mandrel bar [7]. A large-deformation constitutive model to evaluate roll force and torque in heavy-reduction was found to be in agreement with Misaka–Yoshimoto model for dynamic recrystalliza-tion [8]. A variation in the rolling load was predicted as

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Roll Pass Design – IspatGuru

2014-6-18  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.

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(PDF) Automated Procedure for Roll Pass Design

2008-7-3  The aim of this work has been to develop an automatic roll pass design method, capable of minimizing the number of roll passes. The adoption of artificial intelligence technologies, particularly...

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Roll Pass Design for Round Bars - ScienceDirect

1990-1-1  The roll pass design of a whole rolling line for round bars can be carried out successfully using the actual PC. The present work examines the computer aided roll pass design of round bars. It deals with the roll pass design strategy of roughing sequences with heavy stretch and finishing sequences.

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A BASIC UNDERSTANDING OF THE MECHANICS OF

2003-10-15  on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC

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Roll Pass Designing in Continuous Bar Mills

Roll Pass Designing in Continuous Bar Mill Billet Size Area Finished Size Area of finished bar Co-efficient of elongation No. of passes 150 22500 12 113.1429 198.8636 20.78453 150 22500 16 201.1429 111.8608 18.52503 150 22500 20 314.2857 71.59091

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Roll Pass Design and Simulation on Continuous Rolling of ...

2019-1-1  Reasonable design of roll pass schedule is the prerequisite for a successful shape rolling process. In this paper three dimensional elastoplastic finite element simulation with thermal mechanically coupled analysis is applied to study the roll pass design of the hot continuous rolling of Ф100mm alloy steel round bar from 200mm×200mm square ...

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Improvement in the roll-pass design of continuous billet mills

Improvement in the roll-pass design of continuous billet mills Download PDF. Download PDF. Rolled Products; Published: July 1964; Improvement in the roll-pass design of continuous billet mills. N. V. Skorkin M. Ya. Brovman ...

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Computer-aided roll pass design for continuous billet mill ...

Bakhtinov and Shternov 1953Roll pass design (Moscow: Metallurgia) p. 232. Google Scholar . Burtsev K 1973Rolling practice (Moscow: Mir Publishers) p. 146. Google Scholar . Jha S 1980Steel India 3 1. Google Scholar . Jha S, Acharya N K and Sengupta D 1983Investigation into rolling technology of continuous billet mill, Internal Report, Research and Development Centre for Iron and Steel, Ranchi ...

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Roll Pass Design – IspatGuru

2014-6-18  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

Get Price

roll pass design for hot rolling of long bar products ...

2012-11-19  roll pass design in section mill. 91 MILLENNIUM STEEL INDIA 2010 Improved roll pass design for long products with Roll Pass Designing in Continuous Bar Mills Hot Rolling Mills

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

2017-6-19  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

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(PDF) A New Method for Roll Pass Design Optimisation ...

A New Method for Roll Pass Design Optimisation Sead SPUZIC*, Annibale IZZO** and Kazem Abhary* * University of South Australia School of Advanced Manufacturing and Mechanical Engineering Mawson Lakes, South Australia 5095 Corresponding Author eMail: [email protected] ** LINEBOW Roll Pass Design Software Linebow, via Garda 2, Ivrea 10015, Italy eMail: [email protected] Abstract

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A BASIC UNDERSTANDING OF THE MECHANICS OF

2003-10-15  on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC

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PROCESS OF ROLLING MILLS

2016-2-25  If a mill rolls 80 % of the calendar year, that is 365 x 24 x 0.80 = 7008 hours. If the mill rolls 800,000 tons per year, it runs at an average production rate of 114.16 tons/hour. If the ...

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Improvement in the roll-pass design of continuous billet

Improvement in the roll-pass design of continuous billet mills Download PDF. Download PDF. Rolled Products; Published: July 1964; Improvement in the roll-pass design of continuous billet mills. N. V. Skorkin M. Ya. Brovman ...

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Computer-aided roll pass design for continuous billet mill ...

Bakhtinov and Shternov 1953Roll pass design (Moscow: Metallurgia) p. 232. Google Scholar . Burtsev K 1973Rolling practice (Moscow: Mir Publishers) p. 146. Google Scholar . Jha S 1980Steel India 3 1. Google Scholar . Jha S, Acharya N K and Sengupta D 1983Investigation into rolling technology of continuous billet mill, Internal Report, Research and Development Centre for Iron and Steel, Ranchi ...

Get Price

roll pass design for hot rolling of long bar products ...

2012-11-19  roll pass design in section mill. 91 MILLENNIUM STEEL INDIA 2010 Improved roll pass design for long products with Roll Pass Designing in Continuous Bar Mills Hot Rolling Mills

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Roll Pass Design Schweitzer Rolling Technology

Roll Pass Designs projects typically follow the following timeline: Development of detailed groove drawings, roll barrel layouts, roll stress calculations, rolling power, torque and separating force predictions, and roller set-up sheets. Design review and training sessions with mill

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Bar Mill Solutions by Primetals Technologies Primetals ...

Its compact design reduces the building height requirements. 2+4 EVO Bar Reducing and Sizing Mill. The 2+4 EVO reducing and sizing mill uses a patented pass design. A reducing group with 2-Roll stands with high reduction is followed by a sizing group with 4-Roll stands with low reduction.

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Slit rolling - Danieli Corp.

2012-7-16  technology as applied to bar mills enables the production of two or more bars from one billet. The slit rolling technology is a combination of spe-cial roll pass design with designated guide Guiding is our business equipment to shape and longitudinally separate the incoming billet into two or

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PROCESS OF ROLLING MILLS

2016-2-25  If a mill rolls 80 % of the calendar year, that is 365 x 24 x 0.80 = 7008 hours. If the mill rolls 800,000 tons per year, it runs at an average production rate of 114.16 tons/hour. If the ...

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Bar and Wire Rod Mill Steel Plantech

Bar and Wire Rod Mill. Steel Plantech provides the Bar and Wire Rod Rolling System that meet variety of customer needs. For example, we provide solutions that meet customer needs such as the Slit Rolling System and the High Speed Mill (40m/s) which increase productivity, the Hot Direct Rolling System which is directly connected with a continuous

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PP Rolling Mills Manufacturer exporters of rolling mills

Complete project solutions for the hot rolling mill industry. PPRM has been providing complete project solutions (Design, Manufacture Mill Commissioning)for Bar, Rod and Section mills for the past 25 years. PPRM is one of the most “efficient” and “cost effective” engineering companies in the world. Turnkey Solutions. Solutions.

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ROLLING - Rajagiri School of Engineering Technology

2019-1-29  rolled to a thickness of 20 mm in one pass. The roll radius is 300 mm, and the rolls rotate at 100 rpm. Calculate the roll force and the power required. For annealed copper, it has a true stress of about 80 Mpa in the unstrained condition and at a true strain of 0.223, true stress is 280 Mpa.

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