# indonesia roll force rolling mill :

##### Roll Force kelk

KELK Strain Extensometers. Extensometers are simple, economical sensors attached to rolling mill housings to measure the strain in the housing posts resulting from roll force. Roll force can be derived from these measurements, but due to outside influences, these calculated results can never be as accurate as direct load cell force measurement.

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##### Billets - Cakrasteel

2020-4-28 One of the Best Quality-Steel Billets Manufacturer in Indonesia, PT Jakarta Cakratunggal Steel Mills, produces a wide range of continuously casted billets in its Integrated Steel Plant. The state of the art of German technology imparts international quality standards, SNI, and ensures smooth and defect-free casting of billets with SNI 07-6701 ...

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##### Roll force measurement ABB

Roll Force Measurement ABB’s Millmate roll force system is the perfect choice for measuring roll force in both hot rolling and cold rolling mills, thereby achieving correct roll gap settings and force distribution. The system is proven to be exceptionally robust and resilient to high forces as well as aggressive mill agents.

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##### Rolling of Metals

2015-5-12 Flat Rolling •Roll Force: F= LwY avg •Roll-strip contact length L •Average strip width w –despite the fact that spreading, or an increase in width, may actually occur if edger mills are not used •Average true stress of the strip in the roll gap Y avg •Assumes no friction and thus predicts lower roll force than the actual value

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##### ROLLING

2019-1-29 rolled to a thickness of 20 mm in one pass. The roll radius is 300 mm, and the rolls rotate at 100 rpm. Calculate the roll force and the power required. For annealed copper, it has a true stress of about 80 Mpa in the unstrained condition and

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##### An investigation on the roll force and torque fluctuations ...

2020-4-9 roll force and torque in the hot rolling process. As an improvement, Poliak, Shim, Kim, and Choo (1998) examined a proposed linear regression model to predict the roll force in hot plate rolling. Lee and Lee (2002) proposed a long-term learning method using neural network to improve the accuracy of rolling-force prediction in hot rolling mill ...

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##### Rolling [SubsTech]

2013-10-31 A rolling mill is characterized by the maximum values of its roll separating force and the torque. The maximum amount of deformation (thickness reduction) which may be achieved in a single rolling pass is determined by the maximum roll separating force, maximum torque, work roll diameter, friction coefficient and mechanical strength of the ...

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##### Rolling Force Prediction in Heavy Plate Rolling Based on ...

Accurate prediction of the rolling force is critical to assuring the quality of the final product in steel manufacturing. Exit thickness of plate for each pass is calculated from roll gap, mill spring, and predicted roll force. Ideal pass scheduling is dependent on a precise prediction of the roll force in each pass. This paper will introduce a concept that allows obtaining the material model ...

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##### 1. Hot rolling and rolling defects: 1.1 Front and back ...

2019-2-4 Fig. 1.7.1: Rolling mill control From the above curves, we could understand the control of rolling mill. The solid curve, called plastic curve, represents the variation of rolling load with rolled thickness. As thickness reduces, roll force increases. This was shown earlier. The solid line represents the elastic deformation of the roll.

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##### Maintenance for productivity Rolling models

2021-2-16 Roll force, torque, temperature CVC, HS, position bending Coil-data Operator-trims Scheduling 400 350 300 250 200 150 100 50 0 0 0.5 1 1.5 2 Log deformation Yield stress 3542 Rolling mill applications covered by ABB include: Single and multistand Mills Cluster and Sendzimir*) Mills Inline and continuous rolling mills Reversing and non-reversing

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##### Roll Force Load Cells PFVL141 - Roll force measurement

Roll Force load cells PFVL141. The Millmate Roll Force load cells act as integral parts of the mill stand. The rocksolid Pressductor ® load cell design in combination with the intelligent, reliable communication functions are crucial keys to true roll

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##### Roll Force Measurement and Control System (Product

2014-10-28 Roll Force Measurement Systems Increase Productivity Increases roll life Prevents mill overloads Improves product quality Reduces mill downtime Simplifies retrofit Designed for High Accuracy and Easy Installation The RFS-4 is a dedicated roll force measurement system specifically designed for use on both new and existing rolling mills.

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##### PT. Sarana Steel

Jakarta 10730 - Indonesia Tel. (6221) 626 0456, 639 3286, 625 3684 Fax. (6221) 6231 3341, 6231 3340 FACTORY OFFICE Kawasan Industri Mitra Karawang Jl. Mitra Raya II Blok F3 Karawang 41361 - Indonesia Tel. (62267) 863 1729-35

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##### Deformation Processing - Rolling

2010-2-13 – Calculate roll separation force (“rolling force”) and torque – Processing Limits – Calculate rolling power. Prof. Ramesh Singh, Notes by Dr. Singh/ Dr. Colton 13 Flat Rolling Analysis • Consider rolling of a flat plate in a 2-high rolling mill

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##### An investigation on the roll force and torque fluctuations ...

2020-4-9 roll force and torque in the hot rolling process. As an improvement, Poliak, Shim, Kim, and Choo (1998) examined a proposed linear regression model to predict the roll force in hot plate rolling. Lee and Lee (2002) proposed a long-term learning method using neural network to improve the accuracy of rolling-force prediction in hot rolling mill ...

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##### Design and function of CVC rolls as a flatness actuator in ...

2012-5-7 Flatness measuring – the flatness measuring roll On the exit side of the mill the strip is bent over a segmented roll, the flatness measuring roll. This roll measures the force on each segment and in this way the flatness of the strip can be decided. Figure 2 shows a principal sketch of a flatness measuring roll. Figure 2.

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##### POWER IN ROLLING - idc-online

2019-2-4 POWER IN ROLLING Power is applied to the rolling mill by applying Torque to the rolls and by using roll strip tension.The total rolling load is distributed over the arc of contact. However, the total rolling load can be assumed to be concentrated at point along the arc of contact ata distance ‘a’ from the line of centers of the rolls.

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##### 1. Hot rolling and rolling defects: 1.1 Front and back ...

2019-2-4 Fig. 1.7.1: Rolling mill control From the above curves, we could understand the control of rolling mill. The solid curve, called plastic curve, represents the variation of rolling load with rolled thickness. As thickness reduces, roll force increases. This was shown earlier. The solid line represents the elastic deformation of the roll.

Read More

##### Metal Rolling - Manufacturing Process

2017-9-10 It is known, in metal rolling practice, that the amount of roll force is reduced with a smaller radius of the rolls. Smaller radius rolls, however, deflect easier and must be supported by other rolls. The four high mill uses this

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##### A Review on Chatter Analysis in Cold Rolling process

2018-12-12 two work roll and two back up roll) in addition to one degree of freedom system in order to appreciate the vibrations of rolling system was estimated numerically to deal with the chatter problem [6]. A numerical solution to show the effect of friction condition in rolling bite on mill chatters (five stand four high mills), an

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##### The Calculation of Roll Force and Torque in Hot Rolling Mills

2021-7-9 Abstract. Equations are derived for the normal roll pressure, specific roll load and torque in hot rolling mills, using the condition for plastic deformation in rolling derived by Orowan, together with von Kármán's equation of equilibrium. Although applying strictly to the rolling of ideal plastic-rigid materials, these equations may be ...

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##### Roll force measurement ABB

Roll Force Measurement ABB’s Millmate roll force system is the perfect choice for measuring roll force in both hot rolling and cold rolling mills, thereby achieving correct roll gap settings and force distribution. The system is proven to be exceptionally robust and resilient to high forces as well as aggressive mill agents.

Read More

##### An investigation on the roll force and torque fluctuations ...

2020-4-9 roll force and torque in the hot rolling process. As an improvement, Poliak, Shim, Kim, and Choo (1998) examined a proposed linear regression model to predict the roll force in hot plate rolling. Lee and Lee (2002) proposed a long-term learning method using neural network to improve the accuracy of rolling-force prediction in hot rolling mill ...

Read More

##### 1. Hot rolling and rolling defects: 1.1 Front and back ...

2019-2-4 Fig. 1.7.1: Rolling mill control From the above curves, we could understand the control of rolling mill. The solid curve, called plastic curve, represents the variation of rolling load with rolled thickness. As thickness reduces, roll force increases. This was shown earlier. The solid line represents the elastic deformation of the roll.

Read More

##### A simplified method to calculate the rolling force in hot ...

2016-5-27 Lundberg SE, Överstam H (2007) Modeling of stress state, centre consolidation and roll force in billet rolling. Steel Res Int 78(6):492–501. Article Google Scholar 6. Oluwole OO, Olaogun O (2011) Slip line field solution for second pass in lubricated 4-high reversing cold rolling sheet mill.

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##### Calculation of rolling pressure distribution and force ...

The roll force in the roll-bite can be calculated by integrating the vertical component of positive pressure and friction shear stress of every slice. This paper also analyzed the influence of friction condition, flow stress, roller distortion and other factors on the results of rolling pressure and force per unit width.

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##### List of Steel Companies in Indonesia

PRAMARINS. PRAMARINS group( SHIPPING - SURVEYOR TRADING )Address : Jl. Bugis Raya No. 73.C, Tanjung Priok Jakarta 14320, Indonesia.Phone 62-21- 4370 637 / 4393 6339 Fax 62-21-4393 6339E-mail xxxxx xxxxxWebsite ...

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##### POWER IN ROLLING - idc-online

2019-2-4 POWER IN ROLLING Power is applied to the rolling mill by applying Torque to the rolls and by using roll strip tension.The total rolling load is distributed over the arc of contact. However, the total rolling load can be assumed to be concentrated at point along the arc of contact ata distance ‘a’ from the line of centers of the rolls.

Read More

##### Metal Rolling - Manufacturing Process

2017-9-10 It is known, in metal rolling practice, that the amount of roll force is reduced with a smaller radius of the rolls. Smaller radius rolls, however, deflect easier and must be supported by other rolls. The four high mill uses this principle with two smaller work

Read More

##### A Review on Chatter Analysis in Cold Rolling process

2018-12-12 two work roll and two back up roll) in addition to one degree of freedom system in order to appreciate the vibrations of rolling system was estimated numerically to deal with the chatter problem [6]. A numerical solution to show the effect of friction condition in

Read More

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