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Sep 08, 2010· A large Midwestern steel mill was experiencing excessive downtime due to frequent spindle repair and replacement on their hot strip mill roughing stand drives. The roughing mill work rolls require extremely high torque to compress/reduce 10" thick automotive quality heated steel slabs down to 1" 2" thick.
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.
The modernization referred to in this paper focused on the Hot Rolling Mill 1, supplied in 1967 by Siemag, which today forms part of the SMS group. The hot rolling line consists of a roughing stand, an edger and a threestand tandem finishing mill.
The roughing mill stands are used to reduce the thickness of the steel while at the same time extending the overall length. Rolling mill stand is an important part of a work stand, roll bearing chock and roller adjustment device is installed on the frame.
A tandem mill is a special type of modern rolling mill where rolling is done in one pass. In a traditional rolling mill rolling is done in several passes, but in tandem mill there are several stands (>=2 stands) and reductions take place successively. The number of stands ranges from 2 to 18.
The steel roughing rolling mill stand is used to reduce the thickness of the steel while at the same time extending the overall length. Steel roughing rolling mill stand is an important part of a work stand, roll bearing chock and roller adjustment device is installed on the frame.
Roughing. The roughing mill is made up of Multiple independent rolling mill stands, Billets heated in the furnace until they glow bright orangeyellow are rolled through one stand at a time to produce transfer bars suitable for finish rolling. Highpressure waterjet nozzles clean the oxidized iron, or scale, from the surface along the way.
The blooming mill produces semifinished products, steel bars, wide flats and sheet bars on one roughing stand and two finishing stands. D ie Bloc kGrobstraße e rzeug t Halbzeug, Stabstahl, B reit Flachabmessungen und Pl atinen .
Primetals Technologies has installed or upgraded more than 1,000 rolling mills on six continents. These mills have set worldwide benchmarks for technological leadership, reliability and performance. Red Ring Series 5. The Red Ring housingless stand design has a high reputation for roughing, intermediate and finishing applications.
rolling mill, dedicated roll cooling systems are required to fulfill the required functions. Examples are suitable roll cooling and lubricationsystems to fully utilize the advantages of HSS rolls in hot strip mills, and selective roll cooling systems as a method to control the flatness of the strip in cold rolling mills.
offers 6,791 roughing mill products. About 44% of these are milling cutter, 4% are grinding equipment, and 2% are rolling mill. A wide variety of roughing mill options are available to you, such as hot rolling mill, cold rolling mill, and ball mill.
DANIELI HOT ROLLING MILL Hot Rolling mill Rebar production plant Ihinzk3zw We have for sale COMPLETE Danieli / Pomini hot rolling mill. ... MVA according to production ton/year capacity Components: reheating furnace 8 horizontal roughing stands ; continuous 7 horizontal plus one vertical stands intermediate train 2 horizontal ...
TMEIC2 installed its first AC adjustablespeed motor drive system for a rolling mill main stand in 1980; by January 2004 TMEIC had installed AC adjustable ... slowspeed roughing mills to the highspeed, wide tension range aluminum foil mills. ... Large AC Adjustable Speed Motors for Metals Rolling 8 10/24/2011 4:20:49 PM. 9 ...
Jun 19, 2017· Large amount of flexibility is available in modern long products rolling mills. These mills are normally continuous mills consisting of three sets of rolling stands namely (i) roughing group of stands, (ii) intermediate group of stands and (iii) finishing group of stands. The input material for these mills is normally billet.
Mill Roll, Rolling Mill, Steel Roller manufacturer / supplier in China, offering GS Rolls for Rolling Mill for Roughing Stands, CostEffective Tungsten Carbide Tc Roll Ring and Mill Roll Ring, High Quality Casting Tungsten Carbide Roll Ring and Mill Rings and so on.
SMS DEMAG Hot Strip Mills 8 The coilbox arranged between the roughing stand and the finishing mill of a hot rolling mill forms coils of transfer bars, thus serving as both material and heat accumulator. During uncoiling, the former transfer bar tail runs into the finishing mill as transfer bar head. The coilbox is employed in new facilities ...
Jun 04, 2009· At the moment size 8 was being produced. Only the roughing mill was in use. We have 2 other mills, namely, the intermediate mill and the finishing mill which are in use when smaller sizes are ...
Among the production of the Unigen mechanical production is also a roll for a roughing stand and rolls for coil finishing.
Ameridrives SM38 Mill Spindles for Rolling Mill Roughing Stand Drives September 8, 2010 Metal Producer; A large Midwestern steel mill was experiencing excessive downtime due to frequent spindle repair and replacement on their hot strip mill roughing stand drives. The roughing mill work rolls require extremely high torque to compress/reduce 10 ...
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 .
Apr 23, 2012· This film takes you through the processes within a hot rolling mill. You''ll get to see the different stages all the way from heating to cooling. Filmed at SSAB in Borlänge, ...
Sep 08, 2016· Rolling mills create a lot of force when they are being used. I really recommend mounting your rolling mill to a heavy bench, mounted to the wall, or bolted to a sturdy steel stand and bolted to the floor. Many small jeweler''s benches just aren''t heavy enough to mount a rolling mill to.
The steel roughing rolling mill stands are used to reduce the thickness of the steel while at the same time extending the overall length. Steel Roughing rolling mill stand is an important part of a work stand, roll bearing chock and roller adjustment device is installed on the frame.
The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semifinished 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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