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how to reverse the rougher in a hot strip mill

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Acciaio Strip tracking measurement and control in hot

Poor strip tracking is one of the notorious problems threatening process stability in a hot strip mill. These issues often lead to tail pinching and in the worst cases even to cobbles. The main pillars of the strategy set out to tackle these issues for the Hot Strip Mills in IJmuiden are rougher mill caer control and finishing mill

Width necking at the rougher in a hot-strip mill |

Article “Width necking at the rougher in a hot-strip mill” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of ideas. By linking the information entered, we provide opportunities to make unexpected discoveries and obtain knowledge from

Hot Strip Mill Reversing Rougher Mill Study –

Hot Strip Mill Reversing Rougher Mill Study: Yer: Ereğli-TURKEY: İş veren: Erdemir: Proje Tanımı: Detection and correction of the causes of the movements of the rough rolling coils of the reversal by the UEC firm. In Place Machining company performed rolling survey and measurements.

Rivers of Steel- Workers and Jobs

Plate Mill Salt thrower: throws salt on slabs to remove scale as they enter the plate mill rolls; Bar Mills Rougher: sets up, adjusts, and regulates the rolls and guides on a continuous roughing train of a bar mill; Bar cher: ches the bar from one roll stand, loops and feeds it into the next stand; Hot Strip Mills

Width necking at the rougher in a hot-strip mill

01-04-1983· The test mills used were a vertical-edger mill and a flat-rolling mill reduced to a scale of about one tenth of the roughing stands of the actual hot-strip mill in the Kakogawa Works of Kobe Steel. The width and the thickness of slabs, the draft of edger rolling and the reduction ratio in flat rolling were determined as shown in the lower column of Table 1, considering the rolling conditions

Width necking at the rougher in a hot-strip mill |

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Width necking at the rougher in a hot-strip mill |

「Width necking at the rougher in a hot-strip mill」のです。J-GLOBAL リンクセンターは、、などのをつなぐことで、のやななどをするしいサービスです。またJSTのなコンテンツへいたします。

What is a Reversing Mill? - Definition from

The purpose of the reversing mill is to reduce the thickness of the steel to the customer’s specifiions. The hot roll band passes back and forth between the rolls until it reaches the specified thickness. Benefits of reversing mills include: Flexible, low-cost rolling of a wide range of products; Tight strip thickness and shape tolerances

Width necking at the rougher in a hot-strip mill |

Article “Width necking at the rougher in a hot-strip mill” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of ideas. By linking the information entered, we provide opportunities to make unexpected discoveries and obtain knowledge from

Large AC Adjustable Speed Motors for Metals Rolling Mills

• 20 sec) and either intermittently or never runs in forward and reverse. • This motor has both long and short overload capability. • As a long-time overload, 115% - continuous, and 125% - 2 hours can be applicable as options. • Example: Motors used for continuous hot strip mills, cold tandem mills, cold

Hot Rolling Mill Hydraulic Gap Control (HGC) thickness

P. Kucsera et al. Hot Rolling Mill HGC Thickness Control Improvement – 98 – Another way to determine the thermal expansion of the work roll is the modelling of the heat transfer between the work rolls and the strip. This depends on the roll speed, strip thickness, the properties of the strip, roll gap, contact time and cooling parameters.

How does it work: hot-strip rolling mill -

31-03-2015· ThyssenKrupp Steel Europe spent a quarter of a million euros on renovating its hot-strip rolling mill in Duisburg. The animation shows how it all works.

The Hot Rolling Process - California Steel Industries

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.

ROBUST STEERING CONTROL OF HOT STRIP MILL

hot strip mill of Eisenhüttenstadt are presented. Keywords: Steering control, Singular perturbation, H2 control design. 1. INTRODUCTION The purpose of the rolling process is to obtain a metal strip with desired geometric, metallic and mechanic charac-teristics. To this aim, strips are crushed between several pairs of rolls in inverse rotation.

Understanding Rolling Process in Long Product

In addition it suggests what mill size is most suitable for given ranges of products so as to ensure reasonable efficiency in working the mill. Perhaps one of the most important single factors where roll life is concerned is the wear properties of the roll material. During the hot

Hot Rolling Mill Hydraulic Gap Control (HGC) thickness

P. Kucsera et al. Hot Rolling Mill HGC Thickness Control Improvement – 98 – Another way to determine the thermal expansion of the work roll is the modelling of the heat transfer between the work rolls and the strip. This depends on the roll speed, strip thickness, the properties of the strip, roll gap, contact time and cooling parameters.

Advanced Reversing Cold Mills by Primetals

Also strip flatness measuring equipment mounted at one or both ends of the mill coined with multi-zone work-roll cooling to meet the highest demands for flatness. Two-stand reversing cold mills Primetals Technologies'' two stand reversing cold mills coine the flexibility of single-stand reversing mills with the capacity of conventional coil-to-coil tandem mills at substantially reduced

Process for hot rolling steel strips comprises

Process for hot rolling steel strips comprises cropping the strip using reverse rolling in a Steckel mill (8) using crop shears (20) arranged between a driver (17) and the mill. An Independent claim is also included for a device for hot rolling strips.

Reversing Rougher Mill Spindle Video -

05-03-2010· This video is unavailable. Watch Queue Queue. Watch Queue Queue

Width necking at the rougher in a hot-strip mill

Article “Width necking at the rougher in a hot-strip mill.” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of ideas. By linking the information entered, we provide opportunities to make unexpected discoveries and obtain knowledge from