bruise on hotstrip mill finishing mill rolls

Bruise On Hotstrip Mill Finishing Mill Rolls

Bruise On Hotstrip Mill Finishing Mill Rolls- …

Hot strip mill rolls vertical mill 2hi rough mill 4hi rough mill 7 stand 4hi finishing mill 1 hot strip continuous mills csp vertical roll rough mill wr 7 stand 4hi finish mill wr 2hi rough mill 4hi rough mill front after alloy steel ad hicrs hwd as gs,Bruise on hotstrip mill finishing mill rolls.

bruise on hotstrip mill finishing mill rolls

roll mark or bruise from hot strip mill industry term and passes through the last hot mill finishing stand The sheet can whip/hit into the roll surface and mark it As a result the following coil produced through the hot strip mill will have these bruises on the head end If the marks on the work rolls are light the defect only bruises

bruise on hotstrip mill finishing mill rolls - Mine …

Rolling conditions in hot strip mills and their influence on the ... rolling conditions of all passes in roughing and finishing mills.These variables should ... Seminar on Rolling Mill Rolls, lnstituto Latinoamericano del Fierro v.Acero. .... especially in F2 bottom roll: scale rolled in the strip, bruises in the very last ...

bruise on hotstrip mill finishing mill rolls

Work Rolls of finishing stands High Chrome Iron as well as Chrome Steel Work Rolls of Bruise/soft spots are induced on a roll body new Indefinite Chilled Cast Iron rolls of Hot Strip Mill. 2.2. Ultrasonic Evaluation of Surface Cracks in Rolls by Surface wave / Angle Probe Usually depth of penetration of theses surface (Rayleigh) waves

Roll Mark/Bruise from Hot Strip Mill - Mainline …

The sheet can whip/hit into the roll surface and mark it. As a result, the following coil produced through the hot strip mill will have these bruises on the head end. If the marks on the work rolls are light, the defect only bruises the next coils surface and eventually wears off the rolls …

How does it work: hot-strip rolling mill - YouTube

31-3-2015 · 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.

Rolling of steel in Hot Strip Mill – IspatGuru

After exiting the finishing mills, the strip is carried down by a large number of individually-driven rolls through four to 12 banks of low-pressure, high-volume water sprays that cool the red-hot strip to a specified coiling temperature between 400 deg C and 900 deg C and into down coilers.

EDDY CURRENT INSPECTION RESULTS ON WORK ROLLS FOR ...

EDDY CURRENT INSPECTION RESULTS ON WORK ROLLS FOR FINISHING STANDS OF HOT STRIP MILL* Alberto Tremea1 Abstract The eddy current system is universally recognized as a most suitable method to point out discontinuities or modifications on the roll …

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.

A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING …

Secondary scale on hot strip and the impact 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

hot strip mill - YouTube

28-12-2017 · The market of rebar and wire rod is going to be saturated in few years, the spring of hot rolled coil, cold rolled coil, galvanized coil, color coated coil are coming. If you need, please contact ...

finishing mill rolls sweden europe - …

finishing mill rolls sweden europe. ppresident mills arrive at sunyani congress ... finishing mill rolls sweden europe; ... rpm mesin stand roll mills; ... have been sold to 120 countries and areas of Southeast Asia,East Europe,South ...

“Frequently Asked Questions about Hot Strip Mill Work Roll ...

“Frequently Asked Questions about Hot Strip Mill Work Roll Surface” (wear, oxidation, firecracks, sticking and fiction) This was originally presented at the WMSP, New Orleans, 2004. Dr. Karl Heinrich Schroeder With British Rollmakers (China) Ltd. Keywords: rolls…

bruise on hotstrip mill finishing mill rolls

bruise on hotstrip mill finishing mill rolls. bruise on hotstrip mill finishing mill rolls Rolling conditions in hot strip mills and their influence on the , rolling conditions of all passes in , Learn More , Work roll for hot strip mill late finishing stand, Find high Quality Products from , Jiyuan Beifang Drilling & Rolling Co, Ltd [Chat Online]

Mill Rolls Manufacturer – TSR ROLLS

Tel: +86-519-83553805 E-mail: [email protected] Web Site: www.tsroll.com

Non – Destructive Evaluation of Rolls of Hot Strip Mill of ...

Work Rolls of finishing stands, ... Bruise/soft spots are induced on a roll body ... new Indefinite Chilled Cast Iron rolls of Hot Strip Mill. 2.2. Ultrasonic Evaluation of Surface Cracks in Rolls by Surface wave / Angle Probe Usually depth of penetration of theses surface ...

Technical Documentation | INNSE Cilindri

Work rolls consumption in the front stands of hot strip mills: wear and grinding stone presented at 17th ROLLING SEMINAR, 2008, Rosario, Argentina A. Tremea, et al. Abstract. In the early stands of a hot strip mill the use of high-chromium iron and high-speed steels as work rolls is now well proven.

HOT STRIP MILLS Mechanical Equipment - SMS group

SMS SIEMAG Hot Strip Mills 10 The drum-type shear installed between the roughing and finishing mills of a hot strip mill crops the trans-fer bar at its head and tail. In special applications, the drum-type shear also serves to divide transfer bars and finished plates. Based on the experience gained from more than 60 drum-type shears built so far,

Hot Strip Mill Work Rolls - Union Electric Åkers

A core product of Union Electric Åkers Thousands of Hot Strip Mill Work Rolls come off of our production lines each year, making Union Electric Åkers one of the world’s largest roll manufacturers of Hot Strip Mill Work Rolls. All our Hot Strip Mill Work Rolls are made using the vertical centrifugal casting method, ensuring high in-service integrity and premium performance results.

Hot Strip Mill - an overview | ScienceDirect Topics

John G. Lenard, in Primer on Flat Rolling (Second Edition), 2014. 3.5 Friction and Wear. Work rolls in hot strip mills wear due to friction between the roll surface and hot strip. (Back-up rolls wear as well, but under pressure with elastic deformation, the friction is much less, except for the high work roll roughness in the last stand of a sheet rolling tandem cold mill).

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