Primetals Technologies

Single-stand reversing cold mills Depending on the product mix, a single-stand cold rolling mill can deliver rolling capacities of 100,000 to 400,000 t/a. Rolling schedules can be carried out with an even or odd number of passes to maximize mill availability and ...

Hot Rolling Mill Rollers of Steel Mills

Rolling mill Application Material of mill rolls Roughing, intermediate mill Special alloy cast steel, Alloy rolls nodular iron Prefinishing and 4. HI - ALLOYED ROLLS FOR TMT PLANTS Special steels alloyed with nickel, chromium & molybdenum.

Cold Mill Work Roll _Qingdao Yelong International Co., Ltd.

Cold Mill Work Roll -Qingdao Yelong International Co., Ltd. QINGDAO YELONG INTERNATIONAL CO., LTD. Chinese most respected solution providers and equipment vendors for heavy industry Provide innovative solutions and integrated service for steel and non-ferrous metal industry Supply high quality and high cast performance products Offer close follow-up service through experienced technical team ...

Rolling of Steel in a Modern Long Product Rolling Mill – …

Tab 2 Types of rolls used in long products mills Sl.no. Type of rolls Surface hardness (Deg Shore) 1 Forged steel 0.75% C, Roughing stand rolls 35 2 Cast steel – 0 to 0.5% Mo + Ni, Cr, Mn, Strong, tough, resistant to fire cracking 30-42 3 Pearlitic grain rolls, Cast

Products › Aluminium and Non-Ferrous Metals › Aluminium …

Danieli has a full range of flexible hot mill configurations to meet customers’ requirements. Optimal solutions can be provided for single-stand reversing roughing mills, multi-stand finishing mills, twin-coiler single-stand finishing mills, and combination plate and coil mills.

Mill Rolls

4-hi work roll HCr iron, ICDP Finishing work roll HCr iron, ICDP Single stand work roll HCr iron, ICDP Back-up roll Duplex cast steel D≤￠2000，W≤80t Alloy forged steel D≤￠2000，W≤75t Cold strip mill & Single stand cold mill Work roll Alloy forged

roughing mill rolls

Roughing Stand Rolls at Best Price in India We manufacture these roughing mill rolls from diameter 300 mm to 600 mm and length from 600mm upto 1200mm. The hardness of these roughing mill rolls ranging from 45 degrees to 55 degrees Ver Más

Rolling Mill Guide Equipments – IspatGuru

The exit guides of the roughing mill are to ensure optimum delivery of the stock being rolled in the mill stand as well as smooth transition through the mill stands. The design of the exit guides of roughing mill usually comprise of two cast steel inserts having integral locking arrangement to …

Aluminum Hot Rolling Mill – Hani Tech

Single Stand Double Coiling Aluminum Hot Rolling Mill Rough rolling is carried out on a reversible rolling mill with a thickness of 18-25 mm. After double-coiling reversible finishing rolling, the minimum rolling thickness is 2.5 mm, and the production capacity can reach 150,000 tons per year.

EP0019737A1

A multi-high rolling mill comprising work rolls and back-up rolls, in which at least one of said rolls is a variable crown roll having the extent of crowning controlled by a pressure medium (Fig. 1). ... EP0019737A1 EP19800102342 EP80102342A EP0019737A1 EP 0019737 A1 EP0019737 A1 EP 0019737A1 EP 19800102342 EP19800102342 EP 19800102342 EP 80102342 A EP80102342 A EP …

Finishing Mill

For the roughing mill (reversible 4-high) both roll force and roll torque were available so the friction coefficient could be evaluated in addition to the flow stress for each pass. The values were close to 0.3 so it was decided to use this for all calculations, also for the

4HI SINGLE STAND ACHENBACH COLD ROLLING MILL , …

4HI Single Stand Achenbach Cold Rolling Mill,Secondhand 2HI Rolling Mill,4HI Reversible Rolling Mill,4HI Rolling Mill,Hot Rolling Mill,Reconditioners of Rolling Mill,SECONDHAND Sheet Metal Machinery,Industrial Machinery,we buy sell used machines,used ...

Rolls For Roughing Rolling Mills

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".

Characteristics and Line-up of IHI’s Non-Ferrous Metal Rolling Mills

Roughing mill (reverse mill) Finishing mill (tandem mill) Coiler & uncoiler Coiler & uncoiler Coiler & uncoiler Coiler Slab Slab Slab (a) Single-stand mill (b) Tandem-stand mill (1 + 1 tandem) (c) Tandem-stand mill (1 + 4 tandem) Fig. 2 Typical arrangement of (a)

GENERAL ASPECTS OF ROLL COOLING FOR HOT & COLD …

For roll cooling applications of hot steel pure water is normally used as a coolant. The water is usually re-circulated in the plant and should have a sufficient filtration grade in order to prevent clogging of the nozzles. The maximum particle size shouldnot exceed 1/3 ...

China 1450mm Mkw Reversible Cold Rolling Mill for …

2. Overview The production of this unit is to roll picked stainless steel coils with the thickness of 1.5 ~ 3.5mm into high precision cold rolled coils with the thickness of 0.3 ~ 1.0mm through several time of rolling. It adopts single-stand MKW reversible cold rolling mill ...

Steel News

 · Single stand reversible roughing mill Five stands roughing mill to feed the small and medium section lines Five stands medium section line Ten stands small section line Four clutch-brake shears Two start stop shears Hydraulic apron Two star-top cooling beds

Experimental study for roll gap adjustment due to roll wear …

To investigate a correlation between the amount of wear and roll gap (pass height) adjustment, we performed a single-stand reversible pilot groove rolling test as well as rolling test in an actual rod mill. In case of the pilot rolling test, we designed wear contour (profile) and machined it on the original roll groove (i.e., roll groove with no wear) to make the roll groove worn down. For the ...

China Work Roll, Work Roll Manufacturers, Suppliers, Price …

China Work Roll manufacturers - Select 2020 high quality Work Roll products in best price from certified Chinese Cast Iron manufacturers, China Forging suppliers, wholesalers

CN1076639C

The invention provides a method and equipment for hot rolling strip steel, wherein rolling piece is rolled into roughing rolling strip steel in at least one reversible roughing mill frame, and then the rude rolling strip steel is transported to at least one Stickel finishing mill ...

roughing stand for rolling mill, roughing stand for rolling …

107 roughing stand for rolling mill products are offered for sale by suppliers on Alibaba.com A wide variety of roughing stand for rolling mill options are available to you, There are 1 suppliers who sells roughing stand for rolling mill on Alibaba.com, mainly located in

Roughing Mill Work Rolls for Hot Strip Production

Download Citation | Roughing Mill Work Rolls for Hot Strip Production | In roughing mills, slabs have to be reduced from 200 to 300 mm thickness down to transfer bar thicknesses ...

Application of Hot Rolling Lubrication on a Reversing Coil/Plate Mill …

mill window liners. Since the single stand of a revers - ing hot roll mill is used for roughing and finishing passes by driving the work rolls, the hardness of the work rolls is specified as 78–80 HSC, and the hard-ness of the backup rolls is specified as 64–68 HSC.

Rolling Mills for sale, New & Used | MachineSales.com

MACHINE 13795 MANUFACTURER: -TORIN, FARMINGTON, CT USA TYPE MILL: 2/4 HIGH ROLLING MILL WORK ROLLS: 3.5" (88.9mm) DIAMETER X 14" (356mm) WIDE BACK UP ROLLS: North Branford, CT View Listing 6 STAND TANDEM ...

Used Hot Rolling Mills for sale. Demag equipment & more …

1960 145" Loewy 4-Hi Single Stand Manufacturer: Loewy Additional info: Line Speed - 600 fpm Work Roll diameter: 36" Work Roll Face: 153" Work Roll Bearings type: Timken Roller Work Rolls available: (10) sets Backup Roll diameter: 60" Backup Roll Face: 144

Roughing Mill

Consider the hot rolling of a low-carbon steel strip in a single stand roughing mill. Let the entry thickness of the slab be 20 mm and its width to be 2000 mm. Its resistance to deformation is taken to be 150 MPa. It is reduced by 30% using work rolls of 800 mm

DESIGN AND ANALYSIS OF AXIAL CROSSING OF WORK ROLLS IN …

Figure 1 Rolling mill work rolls Assembly The problem is related to Finishing Stand. In hot rolling mill during the metal rolling at finishing mill (4-Hi mill Reversible) , work roll pair come out due to the axial crossing of work rolls and due to which uneven.

The Effect of Core Material Microstructure on Accelerated Rougher Work …

single-stand reversing 2-high rough-ing mill with an attached edger, heat retention covers, an induction edge heater, a 7-stand ... The type of work rolls used in the roughing mill from the early ...

Six-roll Hydraulic Rolling Mill Equipment – Hani Tech

The HC-type of single-stand reversible six-roll cold rolling mill, with positive, negative bending rolls equipped on the work rolls. The pre-uncoiler and the front and rear tension coiler, thick gauges, laser speedometers are equipped to achieve large tension rolling, ensuring high-speed and stable production of thin gauge products.

Riva Acciaio

two-roll reversible roughing mill, an open intermediate rolling mill with two three-roll stands, a finishing block with two reversible stands and a universal finishing stand. The final part of the rolling mill department has a cooling bed, an inline straightening two ...