function of vertical edger in roughing mill

Vertical Edger - Vertical Edger

Jan 10, 2019 · The function of the vertical edger is that the billet is correctly introduced into the roughing mill and the billet edge is rolled; Structural features: pre-stressed frame, the main drive for the upper drive, by a horizontal main motor through the main

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

The Hot Rolling Process - California Steel

The workhorse roughing mill has 135” wide rolls for rolling ‘broadside’ (as the first roughing mill is commonly called) to make a slab wider. A 5,000 hp motor drives 42”-diameter work-rolls through 28:1 gears to reduce the slab’s thickness by as much as 2-½”. The last four roughing mills each incorporate edgers for width control ...

1994 Asymmetrical rolling and self-excited vibration in a ...

which consists of a Horizontal mill with an attached Edger (Fig. 5.1). Four vibrations of the Roughing Mill system have been studied: (i) torsional vibration of Horizontal mill (ii) vertical vibration of Horizontal mill (iii) torsional vibration of Vertical Edger (iv) horizontal vibration of slab between the two mills.

High Accuracy Width Control System for SSM Hot Strip Mill ...

Sep 01, 2001 · (6) where, Sw: is edger mill stretch (mm), and PE is edger roll force (ton). 3.2 Learning function There are two learning items for the width calculation. One is for the model of width deformation in the roughing mill. This is executed when roughing completes

FEA Structural Analysis of a Vertical Edger in a Hot ...

Apr 30, 2015 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators ...

FUZZY TENSION CONTROL OF THE WIRE ROD ROUGHING MILL

structure for the roughing mill in Slovakia Steel Mills, a.s. Strážske. The given roughing mill consists of six rolling stands (STD), individually driven by motors. Motor speed is controlled by DC drives with closed loop speed control. The workpiece passes through the stands with box-oval and round-oval grooves in horizontal-vertical rolling

Cleereman mill with vertical edger - YouTube

Aug 17, 2013 · For sale complete mill

AIST - 2015 AISTech Conference Proceedings

A vertical edger is a critical component of the roughing mill, used to reduce the width of steel slabs. When a vertical edger experiences a failure, it directly affects the production of the roughing mill. One such failure that has occurred took place in the R2 housing, which is not a

MODELLING OF WIDTH CONTROL FOR HOT STRIP MILL

vertical edger rolling stands in the roughing mill section and by using a slab sizing press. Effective width control using the vertical edgers is important for achieving the accuracy and precision of slab width relative to target values. In addition, effective width control can reduce

(PDF) T-bar Rolling Process with Universal and Edger Mills

universal roughing mi ll and an edger mill were ... a new roll arrangement of the edger mill with additional vertical ... and that handling functions were the greatest cost element of the ...

1994 Asymmetrical rolling and self-excited vibration in a ...

which consists of a Horizontal mill with an attached Edger (Fig. 5.1). Four vibrations of the Roughing Mill system have been studied: (i) torsional vibration of Horizontal mill (ii) vertical vibration of Horizontal mill (iii) torsional vibration of Vertical Edger (iv) horizontal vibration of slab between the two mills.

HOT STRIP MILL

adjustment and the ski-head control especially for the roughing mill. The electro-mechanical servo valves precisely control the hydraulic cylinder position. Hydraulic AWC system Excellent width accuracy can be achieved by providing the hydraulic AWC system on the vertical edger(s), from top end to tail end of the production.

HIGH PERFORMANCE HOT STRIP MILL - INTRODUCTION

2.1 Roughing Mill with Attached Vertical Edger A four-high reversing roughing mill (R2) is provided in roughing mill area (Figure 2). The roughing mill is equipped with the screw down system mounted on the top of the mill housing for high speed, motor driven roll gap adjustment between each rolling pass.

Rolling of steel in Hot Strip Mill – IspatGuru

Dec 03, 2015 · The roughing mill also contains edger rolls which are used to roll the edge of slab and center it. The hot strip mill can be either a high performance mill or a compact mill. The difference in the two mill types is the coil box which, in compact hot mills, is installed between the roughing and the finishing mill.

FUZZY TENSION CONTROL OF THE WIRE ROD ROUGHING

structure for the roughing mill in Slovakia Steel Mills, a.s. Strážske. The given roughing mill consists of six rolling stands (STD), individually driven by motors. Motor speed is controlled by DC drives with closed loop speed control. The workpiece passes through the stands with box-oval and round-oval grooves in horizontal-vertical rolling

Strip Mills – AR GROUP OF INDUSTRIES

A slab sizing press in the roughing mill area has the technological advantage over a conventional edger. Besides large width reductions (up to 350 mm), it results into a distinctly better through forming of the slab right to its centre. Slab sizing press produces flatter dog bones leading to reduced re-spreading and greater sizing efficiency.

ROLLING - Primetals Technologies

after the roughing mill and finishing mill. In the case of a large product mix with different entry-strip tempera-tures to the finishing mill, a temperature measurement in front of the finishing mill improves the performance of the FFWC. The signal processing of the exit width of the roughing mill is an important component of the FFWC.

Manoj Kanthak - MANAGER - Jindal Steel & Power Ltd. | LinkedIn

FOUR HI TWO STAND REVERSING HOT STRIP MILL; JOB PROFILE & RESPONSIBILITIES: - Maintenance of 2- HI Reversible Roughing mill, Vertical Edger With screw down. Maintenance of 4- Hi Reversing Finishing Mill with Steckle Furnace on Both Sides. Maintenance of Down-Coiler. Shut Down planning & Execution, breakdown Maintenance & Preventive Maintenance.

Rings (Sleeves) – Universal Mills | SARCO

Rings (Sleeves) – Universal Mills. Static Cast Monobloc (ACS, SBA & Nodular Grades) (400 to 1600 mm dia.) Vertical Centrifugal Cast (ACS & SBA up to 1100mm dia)

Products › Aluminium and Non-Ferrous Metals › Aluminium ...

Danieli can also provide a comprehensive range of technology packages for mill upgrade projects to increase productivity, capability, and quality, thereby maximizing the return on investment of existing facilities. Process and equipment: Hydraulic vertical edgers; Heavy and light-gauge shears; Roughing mills; Twin-coiler reversing mills;

Milling Cutters & Tools - Types and Their Purposes (with ...

Feb 21, 2020 · Milling Cutters and Tools – an Overview. CNC machining is a highly utilised subtractive manufacturing technology. Computer numerical control systems offer less need for manpower and higher levels of automation. One of these automated fabrication methods is CNC milling. It is a process where rotary cutters remove material, which makes it the ...

UPSpace Home

Vertical edaer: The edger reduces the slab in width to prevent excessive material spread through plastic deformation such that it leaves this stage with a dog-bone shape cross section [15] Horizontal roughina mill: The roughina mill consists of a vertical ecloer forming

Processing of niobium-containing steels by Steckel mill ...

6-Stand Strip Mill Cooling Vertical Water Edger Reheat Furnace Slab 4-Hi Roughing Mill Coil Product Hot Slab ... Niobium plays a key role as it performs 3 functions: a) By precipitating as Nb(C,N) in the austenite during finish rolling, niobium acts to pin ... 2 Hi roughing mill where it is rolled to a gauge of between 20 and 38 mm in 12 to 14 ...

Primetals Technologies to supply Industry 4.0 package for ...

Jun 22, 2017 · The width is typically controlled by vertical stands in the roughing mill (edger) and the relation of tensions and reductions in the finishing mill. For the latter part, the new technology package Dynamic Width Control for finishing mills manipulates the width by tension control in the finishing mill.

Roughing Rolling Mill - Hot Rolling Mill - Hani Tech

Jul 05, 2018 · Roughing rolling mill is a machine for rolling steel. Rough rolling is in the middle of heating and intermediate rolling mill, and its function is to process the heated slab by a roughing rolling mill into an intermediate blank that satisfies the finishing requirements (specification, temperature, surface quality, plate type).

Main Features of a modern Hot Strip Mill – IspatGuru

Dec 22, 2013 · Slab sizing press – A slab sizing press in the roughing mill area has the technological advantage over a conventional edger. Besides large width reductions (up to 350 mm), it results into a distinctly better through forming of the slab right to its centre.

Burns Harbor - ArcelorMittal

•Five roughing Unexposedmills, four vertical edgers, seven finishing stands •Three coilers •Skin pass temper mill Finishing operations •Two continuous 80” pickle lines •80” five-stand tandem cold reduction mill •Batch anneal (HNx) •Continuous anneal line (60” max) (1524 mm) •80” temper mill

Nucor and Danieli reconfigure former Gallatin Steel ...

Nov 19, 2018 · Two new powerful roughing stands and a vertical edger will be installed ahead of the finishing mill. The latter's total draft of 100 mm allows for the full recrystallisation of slab edges and extends the capacity of the plant when producing narrow products.

Steel Rolling Technology Handbook (2nd Revised Edition)

Another example of a rolling practice is shown in Fig. 7 in application to a reversing roughing mill with a close-coupled vertical edger located at the entry side of the roughing mill stand. By using a powerful vertical edger, with grooved rolls, the overall reduction in width of 370 mm is obtained for a slab with an initial width of 1100 mm.

Milling Cutters & Tools - Types and Their Purposes (with ...

Feb 21, 2020 · Milling Cutters and Tools – an Overview. CNC machining is a highly utilised subtractive manufacturing technology. Computer numerical control systems offer less need for manpower and higher levels of automation. One of these automated fabrication methods is CNC milling. It is a process where rotary cutters remove material, which makes it the ...

Rolling (metalworking) - Wikipedia

Sheet mills with rolls from 20 to 32 inches in diameter. Universal mills for the production of square-edged or so-called universal plates and various wide flanged shapes by a system of vertical and horizontal rolls. Tandem mill. A tandem mill is a special type of modern rolling mill

Steel Rolling Technology Handbook (2nd Revised Edition) by ...

[p]Another example of a rolling practice is shown in Fig. 7 in application to a reversing roughing mill with a close-coupled vertical edger located at the entry side of the roughing mill stand. By using a powerful vertical edger, with grooved rolls, the overall reduction in width of 370 mm is obtained for a slab with an initial width of 1100 mm ...

Introduction to Selecting Milling Tools

Introduction to Selecting Milling Tools IImportant decisions for the selection of cutting tools for standard milling operations The variety of shapes and materials machined on modern milling machines makes it impera-tive for machine operators to understand the decision-making process for selecting suitable cutting tools for each job.

Introduction to Milling Tools and Their Application

Roughing end mills have serrations in the teeth to quickly remove large amounts of material without creating vibration. The serrations produce many small chips and a rough finish. ©2016 MachiningCloud, Inc. End Mills | 5 Ball end mills produce a radius at the bottom of pockets and slots. Ball end mills

(PDF) Comparison between High Chromium Steel and Semi HSS ...

The length of the roughing mill for this type is quite reduced compared to the full- continuous mill. The next type, the semi-continuous HSM, includes just one reversing roughing mill combined with a vertical edger or a sizing press. Most of the recent new HSM built since 2000 are based on this concept.

Copyright © 2020.Company name All rights reserved.SiteMap