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single stand reversible roughing mill work rolls

  • 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

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  • 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.

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  • 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.

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  • 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.

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  • Cast Rolls Kolding

    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

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  • 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

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  • 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.

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  • PP Rolling Mills Mfg . Pvt.Ltd.Manufacturer of

    The roll units are the cantilever type the roll ring and roll force are supported by 2 bearings left or right of the CL of the pass line in comparison to double supported roll rings where the pass line and the roll force is supported between the bearings on left and right

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  • 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

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  • 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.

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  • 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.

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  • Achenbach OPTIMILL® Aluminium Hot Rolling Mills

    They are designed as single-stand reversing hot rolling mills as hot rolling lines with single-stand reversing roughing mills and finishing mills and hot rolling lines with single-stand reversing roughing mills and multi-stand tandem finishing mills and thereby always tailored to the specific purpose.For each new strip rolling mill or those to

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  • mechanical engineering Types of rolling mills

    It is a special type of four high rolling mill in which each of the two working rolls is backup by two or more of the larger backup rolls for rolling hard in materials. It may be necessary to employ work rolls of a very small diameter but of considerable length. In such cases adequate of the working rolls can be obtained by using a cluster mill.

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  • 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.

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  • Experimental study for roll gap adjustment due to roll

    Jun 07 2008 · 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

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  • Application of Hot Rolling Lubrication on a Reversing Coil

    Since the single stand of a reversing 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.

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  • 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL Used

    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

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  • The Aluminum Rolling Process Part Two Total Materia

    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

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  • 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".

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  • 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".

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  • Products › Aluminium and Non-Ferrous Metals › Aluminium

    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. These designs have advanced process control systems to deliver high-quality plate and strip to

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  • Rolling (metalworking)Wikipedia

    Merchant bar mills with rolls from 16 to 20 inches in diameter. Small merchant bar mills with finishing rolls from 8 to 16 inches in diameter generally arranged with a larger size roughing stand. Rod and wire mills with finishing rolls from 8 to 12 inches in diameter always arranged with larger size roughing

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