Office Address

  • 688 Gaoke East Road, Pudong New Area, Shanghai, China.
  • [email protected]
  • +86-21-58386189, 58386176

Products

Social List

single stand reversible roughing mill work rolls

Steel NewsAIST

Jul 20 2015 · The project consisted in the complete rolling mill automation starting from the reheating furnace to the cooling bed area including the following sections Reheating furnace automatic billet charging discharging and temperature control Single stand reversible roughing mill Five stands roughing mill to feed the small and medium section lines motors. These are known as mill stands. The layout of a rolling mill varies from a simple single stand mill to several stands positioned either side by side or in a line. A mechanism commonly called a roller table directs the work piece to the rolls and another roller table for handling the pieces emerging out of the roll.

HOT ROLLING PRACTICEAn Attempted Recollection

motors. These are known as mill stands. The layout of a rolling mill varies from a simple single stand mill to several stands positioned either side by side or in a line. A mechanism commonly called a roller table directs the work piece to the rolls and another roller table for handling the pieces emerging out of the roll. Jul 20 2015 · The project consisted in the complete rolling mill automation starting from the reheating furnace to the cooling bed area including the following sections Reheating furnace automatic billet charging discharging and temperature control Single stand reversible roughing mill Five stands roughing mill to feed the small and medium section lines

The Effect of Core Material Microstructure on Accelerated

roughing mill work rolls in 2005. These rolls have a tool a single-stand reversing 2-high rough-ing mill with an attached edger heat retention covers a 7-stand finishing mill and three Jul 20 2015 · Rolling Mill Guide Equipments. satyendra July 20 2015 3 Comments entry guide exit guide roller guide rolling friction sliding friction static guide twist guide Rolling Mill Guide Equipments . In hot rolling mills for long products guide equipments guide the rolling stock at the entry and the exit of the roll pass so as to have smooth rolling of the rolling stock.

Rolling Mill Guide EquipmentsIspatGuru

Jul 20 2015 · Rolling Mill Guide Equipments. satyendra July 20 2015 3 Comments entry guide exit guide roller guide rolling friction sliding friction static guide twist guide Rolling Mill Guide Equipments . In hot rolling mills for long products guide equipments guide the rolling stock at the entry and the exit of the roll pass so as to have smooth rolling of the rolling stock. Rolling Mill Roughing Stand Drives129 Кб. Products SM38 Mill Spindles Rolling Mill Roughing Stand Drives A large Midwestern steel mill was experiencing excessive downtime due to frequentThe roughing mill work rolls require extremely high torque to compress/reduce 10" thick automotive quality heated steel slabs down to 1"- 2" thick.

Rolling Process Working Application Defects Type of

2. Three-High Rolling Mills In this mill the three rolls stand in parallel one by others. The rolls are rotating in opposite directions. In this mill between the first and the second rolls the material passes. If the second roll rotates in a direction then the bottom roll rotates in another direction. Steel Roughing Rolling Mill Stand Hani Steel Rolling Mill. 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

finishing mills which will roll the steel in tandem with one another. 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 rolling mill department is equipped with a pusher-type reheating furnace with a capacity of 80 t/h a 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

Advanced Reversing Cold Mills by 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 performance. Hot rolling mills for aluminum have roll coating problems as aluminum powder sticking to the surface of the work rolls affects the surface quality of the rolled strips. Brush rolls and other special mechanisms are installed into aluminum rolling mills as countermeasures for such problems. Figure 1 Typical arrangement of aluminum hot rolling mill

Proportional Crown Rolling for Single Rough Stand in Semi

According to the status of rolling middling stock without crown control on the single rough stand in semi-continuous hot strip rolling in domestic the advantages and the working mode of middle plate rolling with proportional crown are introduced. Finally the ways to improve the existing rough mill with CVC technology are discussed. 4 HI 1 STAND ACHENBACH COLD ROLLING MILL 87004 YEAR 1975 Back-up roll diameter (max/min) 864 / 800 mm Work roll diameter (max/min) 360 / 320 mm Back-up roll barrel length 1625 mm Work roll barrel length 1676 mm Dimensions of sleeves 296 / 250 x 1626 mm Coil weight 3000 kg max Coil O.D. 1020 mm max Width of rolled strip (min/max) 850

XT MILL ROLLS NORTH AMERICA

Roughing work roll ICDP HiCr iron Finishing work roll ICDP Back-up roll Duplex cast steel D Φ 1800W 70 t Alloy forged steel D Φ 1600W 60 t Plate heavy plate mill Rough rolling 2-hi work roll Special alloy cast steel hot working die steel All sizes 4-hi work roll HiCr iron ICDP Finishing work roll ICDP Single stand They represent an innovative solution for roughing and intermediate mills and constitute the latest stage of 3-high stand evolution. Features A fixed rolling line with sliding stands to match the exact groove according to pass design reduced roller table width.

The Hot Rolling Process

finishing mills which will roll the steel in tandem with one another. 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". According to the status of rolling middling stock without crown control on the single rough stand in semi-continuous hot strip rolling in domestic the advantages and the working mode of middle plate rolling with proportional crown are introduced. Finally the ways to improve the existing rough mill with CVC technology are discussed.

Advanced Reversing Cold Mills by 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 performance. Jul 20 2015 · Rolling Mill Guide Equipments. satyendra July 20 2015 3 Comments entry guide exit guide roller guide rolling friction sliding friction static guide twist guide Rolling Mill Guide Equipments . In hot rolling mills for long products guide equipments guide the rolling stock at the entry and the exit of the roll pass so as to have smooth rolling of the rolling stock.

Roughing Rolling Mill Stand

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. Mill stand bears rolling force must Taper roll contours are widely applied in the single stand universal crown mill (UCM) to control the edge‐drop of silicon steel but bilateral symmetrical quarter buckles always happen in the last pass. It shows that the control on the strip profile and flatness has strong coupling nature.

The Effect of Core Material Microstructure on Accelerated

roughing mill work rolls in 2005. These rolls have a tool a single-stand reversing 2-high rough-ing mill with an attached edger heat retention covers a 7-stand finishing mill and three Work Rolls for the Rougher Stands of Hot Strip Mills Centrifugally cast. Manufactured in induction furnaces these products are spin-cast. This process provides an excellent structural homogeneity. They are used in roughing stands with high resistance nodular cores and meet the current requirements of high productive rolling mills. Products

ANADOLUMET Sanayi Rolls for Rolling-mills Steel mill

Applications reversing and non-reversing single and multiple stand 4Hi and 6Hi ferrous and non-ferrous cold-rolling mills Description Work and intermediate rolls for cold rolling made of alloy-forged steel with Cr content of 2 20-5 50 have an excellent combination of metallurgical and physical properties allowing to reach 25-40 mm depth of the working layer with uniform and stable What is claimed is 1. A continuous hot strip rolling system comprising a roughing train with a plurality of two-mill stands disposed close to each other wherein said two-high mill stands include at least one twin-roll stand having two pairs of work rolls which are incorporated in a common housing assembly having a window portion at each of two sides thereof so as to provide tandem rolling

Riva AcciaioSellero (BS)

The rolling mill department is equipped with a pusher-type reheating furnace with a capacity of 80 t/h a 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 From a new single stand reversing cold mill to a complete revamp of a multi-stand mill Butech Bliss delivers. We specialize in the evaluation of existing mill stands and the necessary reconditioning of the same for use in other applications. In recent years Butech Bliss has modernized more than 50 single stand mills and 35 multi-stand mills.

Experimental study for roll gap adjustment due to roll

We applied the proposed model to multi-stand rolling (roughing train of POSCO No. 2 Rod Mill) as well as single-stand reversible rolling. The wear profile of rolls worn down at each stand in mill yard was measured at different roll tonnage. The pilot hot rolling test shows that variation of exit cross sectional area is almost linearly In recent years a notably common practice has been to commence operation with single-stand mills in order to minimize initial investment and add rolling mills in line with rising demand to make the transition to tandem-stand mills.

rolling mills tmt bar gear box design cold rolling

They represent an innovative solution for roughing and intermediate mills and constitute the latest stage of 3-high stand evolution. Features A fixed rolling line with sliding stands to match the exact groove according to pass design reduced roller table width. 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).

Rolling of Steel in a Modern Long Product Rolling Mill

Jun 19 2017 · 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 steel0 to 0.5 Mo Ni Cr Mn Strong tough resistant to fire cracking 30-42 3 Pearlitic grain rolls Cast iron Strong tough and resistant to fire cracking Strand rolls 30 Roughing work roll ICDP HiCr iron Finishing work roll ICDP Back-up roll Duplex cast steel D Φ 1800W 70 t Alloy forged steel D Φ 1600W 60 t Plate heavy plate mill Rough rolling 2-hi work roll Special alloy cast steel hot working die steel All sizes 4-hi work roll HiCr iron ICDP Finishing work roll ICDP Single stand

HOT ROLLING PRACTICEAn Attempted Recollection

motors. These are known as mill stands. The layout of a rolling mill varies from a simple single stand mill to several stands positioned either side by side or in a line. A mechanism commonly called a roller table directs the work piece to the rolls and another roller table for handling the pieces emerging out of the roll. Roughing mill (reverse mill) Finishing mill (tandem mill) Cold rolling mill Cold Single-stand mills (Fig. 3-(a)) mill(2) equipped with a proven work roll shift mechanism developed for steel rolling mills. Figure 5 shows how the rolled strip shape is controlled by shifting work rolls. By shifting work rolls designed to have

Proportional Crown Rolling for Single Rough Stand in Semi

According to the status of rolling middling stock without crown control on the single rough stand in semi-continuous hot strip rolling in domestic the advantages and the working mode of middle plate rolling with proportional crown are introduced. Finally the ways to improve the existing rough mill with CVC technology are discussed. The work roll in chromium steel is the typical type of roll for the roughing stands of a hot strip mill. This application very hard from a thermal point of view needs rolls made in high-strength alloys that can withstand heavy rolling loads and wear at high temperature. In this regards already exist rolls with superior mechanical properties to