المنتجات الساخنة
Backup roll contour of a SmartCrown tandem cold rolling
网页2008年6月1日 Enhancing the self-maintenance of the backup roll and the work roll After the FSR backup roll is used, the states of roll contact and roll wear are improved, and the
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Modeling and validation of bending force for 6-high
网页As shown in Fig. 3, the UCM 6-high cold rolling mill is based on the ordinary 4-high cold rolling mill with the addition of an intermediate roll that can shift laterally between the
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Multi Optimization of Intermediate Roll Profile for a 6
网页applied in cold and hot rolling mill to achieve the purpose of online adjustment of the roll gap profile. The upper and bottom rolls are both ground to an S‐shape in the CVC system,
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Design of a Kind of Backup Roll Contour Used in Four
网页used to study contact pressure distributions between backup roll and work roll. In this , a new kind of backup roll contour called reverse CVC backup roll contour is presented,
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Backup roll contour of a SmartCrown tandem cold rolling
网页2007年5月19日 SmartCrown was a new system developed by VAI for improving the strip profile and flatness control first applied in 1700 mm tandem cold rolling mills at Wuhan
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The Computer System of High Precision Reversible Cold
网页1992年8月1日 The basic parameters of the rolling mill fully contracted for the project, and was responsible are as follows: for designing and manufacturing the mechanical work roll
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(PDF) Influence of Work Hardening on the
网页2022年5月13日 Backup rolls are the main tool in a four-high rolling mill; the rolling forces applied in load cells promote the fatigue of the material due to mechanical contact between backup rolls and work...
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International Journal of Engineering Research-Online
网页A Rolling mill is a complex machine for deforming metal in rotary rolls and performing auxiliary operations such as transportation of the stocks to the rolls, disposal of metal
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6 High Reversible Cold Rolling Mill SlideShare
网页2012年2月9日 LINE SPECIFICATIONS CRM I Min thickness rolled : 0.15 mm Max. rolling speed : 1200 MPM Max. reduction / pass : 38 % Max. No. of passes : 5 Capacity : 0.2 MTPA Load for reduction Thickness
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Effect of work roll shifting control on edge drop for 6-hi
网页2020年3月21日 For tandem cold mills with work roll shifting, the roll contours of different stands are usually identical to facilitate roll scheduling. For a 1500 6-high mill to be researched, the curve parameters H arc, L arc, H l, and L l were set to 400 μm, 155 mm, 0 mm, and 0 mm. The work roll shift is given by L use.. 2.2 Cooperative control strategy by
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Influence of intermediate roll shifting on strip shape in a
网页2022年7月5日 Intermediate roll shifting (IRS) is widely used for improving the strip shape in the six-high tandem cold mill, but most related studies are limited to a single stand. To fill the knowledge gap, a three-dimensional (3D) multi-stand elastic–plastic finite element (FE) model was developed for a continuously variable crown (CVC)-6 tandem cold mill using
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Analysis of Fatigue Fracture and Strength Improvement of
网页2020年3月31日 As an important part of the cold rolling mill, the backup rolls are always in service under complicated stress conditions. Once the roll fails, it will bring huge economic losses. In...
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(PDF) On the Optimization Procedure of Rolling
网页2014年11月1日 the assigned work roll with the backup roll diameters being 2.5, 3, 3.5, 4, 4.5 times of the work roll diameter. The roll neck diameter is assumed proportionally increased.
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Experimental and Numerical Investigation of the
网页3.1. Vibration Measurement of the Rolling Mill The cold rolling process is usually conducted with a workpiece that is initially at room temperature. A schematic illustration of the 6-high cold rolling mill is shown in Fig. 1.11) The stands are arranged to produce a sequential reduc-tion in the thickness of the strip. Work rolls are the tools
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International Journal of Engineering Research-Online
网页the design optimization of work roll chock and backup Roll chock in cold rolling mill, to control the failure of choke in the cold rolling mill for retain the material cost and longer life of the
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Design and Application of an Optimum Backup Roll
网页backup rolls in the down stream stands of the finishing mill when configured with CVC work rolls. Typical wear pat-terns on backup rolls are shown in Fig. 2. VCR backup rolls used with CVC work rolls on stands F1~F3 show even wear, while cylindrical backup rolls show the worst wear with a pattern that is similar to the contour of the CVC work roll.
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Mechanics of Cold Rolling of Thin Strip IntechOpen
网页2018年9月25日 Mechanics of Cold Rolling of Thin Strip 443 where yiw is the vertical deflection of the work roll at element i, gijw (, ) is the influence function for the work roll deflection due to the combined bending and shear forces generated by rolling load, giwf is the influence function for the work roll deflection due to the force generated by the roll
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(PDF) Simulation Model of Cold Rolling Mill ResearchGate
网页2020年6月1日 Abstract and Figures. This work deals with the simulation model of multi-machines system as cold rolling mill is considered as application. Drivers of rolling system are a set of DC motors, which
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Backup Roll Support The Work Roll TINVO
网页2022年12月8日 Backup Roll. The back up roll is a roll that supports the work roll and is the largest and heaviest roll used in rolling mills.The roll can support intermediate roll for the purpose of avoiding deflection of the
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Effect of work roll shifting control on edge drop for 6-hi
网页2020年3月21日 For tandem cold mills with work roll shifting, the roll contours of different stands are usually identical to facilitate roll scheduling. For a 1500 6-high mill to be researched, the curve parameters H arc, L arc, H l, and L l were set to 400 μm, 155 mm, 0 mm, and 0 mm. The work roll shift is given by L use.. 2.2 Cooperative control strategy by
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Influence of intermediate roll shifting on strip shape in a
网页2022年7月5日 Intermediate roll shifting (IRS) is widely used for improving the strip shape in the six-high tandem cold mill, but most related studies are limited to a single stand. To fill the knowledge gap, a three-dimensional (3D) multi-stand elastic–plastic finite element (FE) model was developed for a continuously variable crown (CVC)-6 tandem cold mill using
Contact
(PDF) On the Optimization Procedure of Rolling
网页2014年11月1日 the assigned work roll with the backup roll diameters being 2.5, 3, 3.5, 4, 4.5 times of the work roll diameter. The roll neck diameter is assumed proportionally increased.
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Experimental and Numerical Investigation of the
网页3.1. Vibration Measurement of the Rolling Mill The cold rolling process is usually conducted with a workpiece that is initially at room temperature. A schematic illustration of the 6-high cold rolling mill is shown in Fig. 1.11) The stands are arranged to produce a sequential reduc-tion in the thickness of the strip. Work rolls are the tools
Contact
International Journal of Engineering Research-Online
网页A Rolling mill is a complex machine for deforming metal in rotary rolls and performing auxiliary operations such as transportation of the stocks to the rolls, disposal of metal after the...
Contact
Design and Application of an Optimum Backup Roll
网页backup rolls in the down stream stands of the finishing mill when configured with CVC work rolls. Typical wear pat-terns on backup rolls are shown in Fig. 2. VCR backup rolls used with CVC work rolls on stands F1~F3 show even wear, while cylindrical backup rolls show the worst wear with a pattern that is similar to the contour of the CVC work roll.
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Optimization of continuous variable crown work roll
网页2021年10月26日 1 INTRODUCTION. Roll wear reduction is an effective way to save production costs and increase the productivity of the hot strip rolling mill. 1, 2 The continuous variable crown (CVC) roll wear is a seriously concerned since this technology has been used widely. Using CVC technology, the variable roll gap crown can be obtained by the artful
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Design and function of CVC rolls as a flatness actuator in
网页2012年5月7日 account and the cold rolling process in KV96. 2.1 KV96 The cluster mill that this study aims is a 20-high reversible mill. With reversible mills means that once the strip has been coiled from the decoiler to the recoiler, the rolling direction is reverted and the decoiler becomes recoiler and vice versa. The mill contains of an upper and
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Backup Roll Support The Work Roll TINVO
网页2022年12月8日 Backup Roll. The back up roll is a roll that supports the work roll and is the largest and heaviest roll used in rolling mills.The roll can support intermediate roll for the purpose of avoiding deflection of the
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6 High Reversing Cold Rolling Mill China Cold Rolling
网页2023年5月14日 Roll system of the rolling mill, the turning roll, and the oil removal roll bearing adopt air-oil lubrication, which can prolong the bearing's life and reduce oil consumption, pollution and maintenance quantity with high lubrication efficiency. 5. Imported X-ray thickness gauge is adopted, improving the thickness precision of finished strips. 6.
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