roughing stand for rolling mill

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 last four roughing mills each incorporate edgers for width control ...

China Steel Roughing Rolling Mill Stand, Find details about China Rebar Production Line, Rolling Mill from Steel Roughing Rolling Mill Stand - FUJIAN SHENGLI INTELLIGENCE INDUSTRY SCIENCE & TECHNOLOGY CO., LTD.

The long product rolling mills can also be designed as a single strand mill or two strands mill. In two strands mills, rolling in roughing group of stands takes place in two strands and in such mills there are two sets of intermediate and finishing stands where …

Rolling – The important parameters for rolling in the roughing, intermediate, and finishing group of stands in the rolling mill are temperature, percentage of reduction in …

send to the roughing train of the mill for rolling process. b) Roller table: To discharge the hot blooms/billets/slabs to rolling mill for rolling operation. III. Mill Section: To roll the hot blooms / billets / slabs etc. into desired shape by passing it between set of revolving rolls. The rolls may be plain or grooved rolls depending on product.

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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"- …

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.

Get Latest Price. We offer m.s. casting roughing mill stand with heating treatment. It is a 3 Hi roughing rolling mill stand with best quality and performance. Additional Information: Delivery Time: 22 days. View Complete Details.

roughing stands in the continuous hot rolling mill. Input stand duo has two 1-stage gearboxes, stands 1, 2, 3 have one 2-stage gearbox and stand 4 has one 1-stage gearbox.

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Latest trends in the hot rolling mills industry. Mon-Fri: 8am to 12pm - 2 to 6pm. Odolo (BS) Italy. Home. Who We Are. Company profile. Work with us. Facts and figures. Quality.

Universal rolling stand with rolling rings supported as, Mar 13, 1990 0183 32 Universal rolling stand with horizontal rolling rings supported as cantilevers on the mill stand, to the front of which stand is fitted a universal device 13 that forms a compact unit, pre-assembled and pre-positioned, comprising horizontal rolling rings 12, means 30 to secure the horizontal rings, vertical rolling ...

Rolling mills are often divided into roughing, intermediate and finishing rolling cages. During shape rolling, an initial billet (round or square) with edge of diameter typically ranging between 100–140 mm is continuously deformed to produce a certain finished product with …

rolling mills (8 stand roughing rolling mill, 4 stand intermediate rolling mill, and 4 stand finishing rolling mill) was built by Morgan-Sumitomo Heavy Machinery Co. Ltd.. In the 1980s, the aimed qual-ity of products was shifted toward high-value-added special steel quality, and, to achieve this, in 1986, a three-roll finishing rolling

These roughing mill stands are made from all types of sturdy materials such as stainless steel, white acrylic and hardware, metal wire, wood, cardboard, and many more. The roughing mill stands come with powder-coated surface treatments and can be completely customized in terms of designs.

The roughing mill is made up of Multiple independent rolling mill stands, Billets heated in the furnace until they glow bright orange-yellow are rolled through one stand at a time to produce transfer bars suitable for finish rolling. High-pressure water-jet nozzles clean the oxidized iron, or scale, from the surface along the way.

The backup roll of four high roughing mill stands is made of cast steel or forged steel. ... re-engineering of rolling mill process, rolling mill stands, cooling beds, rolling mill supervision, TMT quenching system, and rolling mill roll pass design. Free mail to [email protected] for your rolling mill plant Solution Whatsapp/Wechat ...

The automatic tension control system of the three-stand continuous roughing train of the 2000 hot-rolling mill at the Magnitogorsk Metallurgical Combine is analyzed. Deviations in interstand tension that are several-fold higher than the set values and inadmissible compression are detected.

Roughing mill rolling mill stands are made from rolled steel slabs or cast steel material of thickness from 140 to 240 MM. These stands are of fixed metal roll type. Our complete mill stand includes the following accessories as and where required : Housing/cap of steel slab of 140/240 mm thick complete with steel chocks suitable to fibre bearings.

Before the continuous rolling process, the billets are rolled in the sliding roughing mill. It is a duo stand system with a sliding reverse mechanism,. The delivery of materials to the rollers, orientation, and adjustment of the measurements is controlled by automation program.

China High-Cr Steel Rolls, Mill Rolls Work in The Roughing Stand, Find details about China Forged Rolls, Forged Steel Rolls from High-Cr Steel Rolls, Mill Rolls Work in The Roughing Stand - Tangshan Sinya International Trade Co., Ltd. ... Covering all fields of ferrous and non-ferrous rolling mills. DN210-665 9Cr2, 9Cr2Mo, 86CrMoV7 8Cr5Mo2SiV ...

The mill rolls take an initial thickness reduction in preparation for the finishing stands, Steel temperature must be monitored to meet parameters and prevent roll damage. Solutions: SPOT R100 or LSP-HD 10.

Roughing rolling mill is a machine for rolling steel. Rough rolling is in the middle of heating and intermediate rolling mill, and its function is to process the heated slab by a roughing rolling mill into an intermediate blank that satisfies the finishing requirements (specification, temperature, surface quality, plate type).

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 have sufficient strength and …

A hot rolling mill and a method of operation to reduce scrap upon failure of a portion of the mill. A first furnace device is provided in the mill adapted to receive and reel up a strip which is ready to go to the finishing section of the mill. A second furnace device is provided to receive a strip of material being rolled in the roughing section of the mill without reeling up.

Any operating unit that reduces gauge by application of loads through revolving cylindrical rolls; operation can be hot or cold. The elevated temperature rolling mill is the Hot Mill and is capable of reducing the gauge of a slab 92-99%. Roughing Stand: The first rolling stand through which metal passes during hot …

A hot-rolling mill for producing sheet metal has a reversing roughing stand having pairs of roughing rolls and a reversing finishing stand adjacent thereto and having pairs of finishing rolls. Each stand is selectively operable alone and both stands are operable in tandem operation. The roughing rolls have diameters larger than the diameters of the finishing rolls and the finishing rolls ...

MANUFACTURING STEEL ROLLING MILL STANDS. Rolling Mill Stands of all types to cater to long products as well as flat products. Conventional stands in both fibre bearing as well as anti-friction bearing are cost effective. The stands are ruggedly built to cater to the severe mill conditions. The Stands can be both open type & closed type.

For each specifi c rolling mill application, the most appropriate motor technology is selected by TMEIC resulting in an optimal drive solution, typically: Salient pole type synchronous motors are applied for large power and/or heavy torque applications, for example hot strip mill roughing and finishing stands. • Excellent torque characteristics

The article presents results obtained in the study of slab deformation process in the roughing stands of Severstal's Mill-2000 hot-rolling line. The implementation of a rolling process model based on the use of the DEFORM-3D software package for predicting the displacement of metal from the edges of the slab to the middle of the workpiece width is described. The convergence of the …

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 …