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roll consumtion in 4 hi mill - csbsvm.cz

4 High Mill Rolls 4 Hi Cold Rolling Mill Rolls . 2013 8 29 4hi Rolling Mill Rolls manufacturing company is also a leading manufacturer and exporter of 4 Hi Cold Rolling Mill Rolls of international quality.The 4hi mill rolls are fabricated with the high quality raw material These 4high mill rolls are known for its design robust construction and ...

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Cold rolling mill 6-high - ANDRITZ

Product description. The diameter of the 6-high work rolls amounts to approximately 1:4 in relation to the barrel length. In comparison to a 4-high mill stand, the utilization range is wider. This type of rolling mill is mainly used in offline applications for cold rolling of soft and

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Cold rolling on a 4 hi reversible mill - SlideShare

2013-11-22  Cold rolling - using Roll Coolant - emulsion In this CRM, Cold rolling is done on a Mecon Weanunited PLC controlled 3000 tons/m 4 Hi reversible mill. As the name suggests the 4 Hi mill employs 4 rolls, two these are the work rolls and the other two are the backup rolls. The rolls between which the cold rolling actually takes lace is called the ...

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A BASIC UNDERSTANDING OF THE MECHANICS OF

2003-10-15  on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC

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Sundwig 20-High cold rolling mill - ANDRITZ

The history of the Sundwig 20-high rolling mill begins in the first half of the last century, when Sundwig developed a multi-roll cold rolling mill in 1930. Just a few years later, the first alligator-type 20-high rolling mill was built, followed in 1958 by the first 20-high rolling mill in Sundwig Four Column (SFC) design.

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Intermediate roll contour of 6-hi UCM cold rolling mill ...

Request PDF Intermediate roll contour of 6-hi UCM cold rolling mill In order to solve the problem of flatness defects and roll spalling caused by rolling thin gauge strip in the 1 500 mm UCM ...

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Basics of Rolling and Rolling Mills – IspatGuru

2013-5-30  Fig 4 Roll configurations in rolling mills. Two-high mill roll configuration – This is the most commonly used rolling mill configuration. In this configuration, there are two horizontally mounted rolls. The rolling mill motor drives either both rolls (top and bottom) or only one roll (normally the bottom roll) with the top roll rotating due to the friction between the roll and the work piece.

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Understanding Rolling Process in Long Product Rolling

2015-11-27  The final dimensional quality of the rolled product is determined by the rolling stands within the finishing mill. The dimensional accuracy in the final product depends on many factors including the initial stock dimensions, roll pass sequence, temperature, microstructure, roll surface quality, roll and stand stiffness and the stock/roll friction condition.

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Comparison of 4-high and 6-high mill-stand technology in ...

In order to solve the problem of flatness defects and roll spalling caused by rolling thin gauge strip in the 1 500 mm UCM (6-high middle rolls shift type HC-mill with middle roll bender) cold ...

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The Hot Rolling Process - California Steel

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

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How to Reduce Mill Roll Consumption Efficiently? - Hani

2018-5-14  Adjust Mill Roll Type. In accordance with the actual production situation, the F1-F4 rolls can be changed from concave rollers to HVC roller types. And increase F5-F7 roller negative crown, thereby improving the roll surface stress distribution. Can achieve a better control of the purpose of the plate, and reduce roll

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Rolling Mills TENOVA

20 High Cluster Mills utilize small diameter work rolls which allow higher reductions on harder materials than other mill configurations. The multi-roll system having employs a unique roll configuration with adjustment capabilities to control strip shape and compensate for the

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SMS group GmbH: 20-High mills

20-high mill in SplitBlock design. SplitBlock stands from SMS group are capable of rolling a large product mix of material grades and thicknesses. Split into an upper and a lower half, the stand opens wider to accommodate larger-diameter work rolls. This design provides easy access during roll changing.

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Intermediate roll contour of 6-hi UCM cold rolling mill ...

Request PDF Intermediate roll contour of 6-hi UCM cold rolling mill In order to solve the problem of flatness defects and roll spalling caused by rolling thin gauge strip in the 1 500 mm UCM ...

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Sundwig 20-High cold rolling mill - ANDRITZ

The history of the Sundwig 20-high rolling mill begins in the first half of the last century, when Sundwig developed a multi-roll cold rolling mill in 1930. Just a few years later, the first alligator-type 20-high rolling mill was built, followed in 1958 by the first 20-high rolling mill in Sundwig Four Column (SFC) design.

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Roll in Hot and Cold Rolling Mills - STLE

2017-5-30  Film attached to an arc of mill roll circumference, where sprays impinge, and covered with ‘water‐ proof’ plastic sheet Sprays are operated for 10 seconds and film

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(PDF) Characteristics of Rolling Mills with Roll Shifting

Currently, work roll shifting mill is the most effective mill for strip shape control [12,13] because it improves the strip crown accuracy and edge phenomenon, as well as permitting schedule free ...

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Basics of Rolling and Rolling Mills – IspatGuru

2013-5-30  Fig 4 Roll configurations in rolling mills. Two-high mill roll configuration – This is the most commonly used rolling mill configuration. In this configuration, there are two horizontally mounted rolls. The rolling mill motor drives either both rolls (top and bottom) or only one roll (normally the bottom roll) with the top roll rotating due to the friction between the roll and the work piece.

Get Price

Understanding Rolling Process in Long Product Rolling

2015-11-27  The final dimensional quality of the rolled product is determined by the rolling stands within the finishing mill. The dimensional accuracy in the final product depends on many factors including the initial stock dimensions, roll pass sequence, temperature, microstructure, roll surface quality, roll and stand stiffness and the stock/roll friction condition.

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Cold rolling - 6 – HI MILL * The word Hi’ ‘is a... Facebook

6 – HI MILL * The word Hi’ ‘is a Greek word which means ‘Roll’, and thus 6 – HI MILL is a cold rolling reversible mill having six rolls; • A pair of Work Rolls (WR), Intermediate Roll (IMR) and Backup Roll (BUR). • This is ‘Single Stand Mill’. This mill is Work Roll Drive mill.

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Cold rolling mill 6-high - ANDRITZ

Product description. The diameter of the 6-high work rolls amounts to approximately 1:4 in relation to the barrel length. In comparison to a 4-high mill stand, the utilization range is wider. This type of rolling mill is mainly used in offline applications for cold rolling of soft and medium strip and for a wide range of strip widths.

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3 hi cold rolling mill, Stainless Steel Cold Rolling Mills

These mills consist of Top Bottom Rolls of same diameter and one middle Roll of smaller diameter. The drive is give to both Top Bottom Rolls through a combination of Gear Box – Pinion Stand – Coupling Spindles. Since the diameter of Work Roll is larger in this case, this mill

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Roll in Hot and Cold Rolling Mills - STLE

2017-5-30  Film attached to an arc of mill roll circumference, where sprays impinge, and covered with ‘water‐ proof’ plastic sheet Sprays are operated for 10 seconds and film

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4-Hi Rolling Mill from Xi'an Hani New Energy and ...

1. Configurable work roll bending roller device, 2. The whole machine structure is simple, easy maintenance operation, less investment. 3. Screw down has two kinds control method, ordinary electromechanical screw down and AGC hydraulic screw down. AGC 4-hi rolling mill

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SMS group GmbH: 20-High mills

20-high mill in SplitBlock design. SplitBlock stands from SMS group are capable of rolling a large product mix of material grades and thicknesses. Split into an upper and a lower half, the stand opens wider to accommodate larger-diameter work rolls. This design provides easy access during roll changing.

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Sundwig 20-High cold rolling mill - ANDRITZ

The history of the Sundwig 20-high rolling mill begins in the first half of the last century, when Sundwig developed a multi-roll cold rolling mill in 1930. Just a few years later, the first alligator-type 20-high rolling mill was built, followed in 1958 by the first 20-high rolling mill in Sundwig Four Column (SFC) design.

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rolls for rolling mill - SlideShare

2017-2-24  Name Type of material Hardness Depth of hardness Hardness deviation Intermediate roll 2%Cr, 3%Cr, 5%Cr SHSS 70-85 HSD 8-50mm Within 2 HSD Back-up Roll Big-sized Back-up Roll Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. The diameter of roll

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High Chrome Steel Rolls – Expert of Mill Rolls

High Chrome Steel Rolls. HiCr Steel is characterized by excellent fire crack resistance and very good oxidation behaviour at rolling temperature. Very good wear resistance and constant material properties throughout the shell layer. HiCr Steel is manufactured by horizontal spin

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(PDF) Characteristics of Rolling Mills with Roll Shifting

Currently, work roll shifting mill is the most effective mill for strip shape control [12,13] because it improves the strip crown accuracy and edge phenomenon, as well as permitting schedule free ...

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SMS group GmbH: 18-HS mills

Reversing cold mill (RCM) in 18-HS design. Key components of 18-HS roll sets for RCMs are slim laterally supported work rolls. They come in diameters of between 120 and 160 millimeters, depending on the mill stand size. What they have in common is that they are all capable of high reductions. With this mill type even AISI 200, 300 and 400-grade ...

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