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AbstractFor the complex shape problems of cold rolling strips with a large width-thickness ratio, according to the division of shape-detecting units, the comprehensive compensation for process errors, the asymmetrical high-order shape pattern recognition, the shape statistical evaluation, and the shape coordinated control, the physical mechanisms influencing the shape-control precision ...
2011-9-1It is a complicated problem for cold-rolled strip to improve asymmetric strip shape in strip production. A roll system and strip coupled model of six-high cold rolling mill was established with finite element method to estimate the effect of intermediate roll shifting, tilting, symmetric and asymmetric bending technologies on strip profile.
PURPOSETo produce stably a strip having an excellent shape in the stage of performing simultaneously plural stages of rolling with a cold rolling mill having a large rolling reduction by providing a bend to guide rollers for the strip to be rolled or ruggedness to the cylindrical part thereof. CONSTITUTIONA strip 1 which is a material to be rolled is once detached from work rolls and enters ...
2018-4-27AND SHAPE OF COLD ROLLED STRIP. ABSTRACT Various experimental methods have been used to show the effect of different Sendzimir mill rolling parameters on stainless steel strip shape. Experiments using sister coils, noting the effects of change over a number of coils, and using the Taguchi statistical
2011-9-14Outstanding shape control flatness Cold Rolled Steel is a mill product made with a high degree of gauge accuracy and uniformity of physical characteristics. The smooth deoxidized matte finish gives an excellent base for paint, lacquer and enamel. Box annealing and absence of scale permit stamping and moderate drawing operations.
It is a complicated problem for cold-rolled strip to improve asymmetric strip shape in strip production. A roll system and strip coupled model of six-high cold rolling mill was established with finite element method to estimate the effect of intermediate roll shifting, tilting, symmetric and asymmetric bending technologies on strip profile. To reduce asymmetric defects of strip shape as much ...
2019-5-24Flatness control in rolling processes is widely used for steel and nonferrous metals, such as aluminum and copper. We developed a shape roll by applying the principle of pneumatic bearing and supplied the first flatness control system hereinafter called IHI Sheetflat to an aluminum cold rolling mill
Every aspect of JSW PLTCM is designed to add precision and quality control to the cold rolled process. In this, pickling line is linked with cold rolling mill, which provides better shape control, delivers significant improvements with regard to mill productivity, yield, and production as a
Our Equipment cold rolling mill process flow chart. Cold Rolling Mill Process Flow Chart Our Equipment cold rolling mill process flow chart 50600x370 File 85495600073 File Type imagejpeg File Size 47 KB Dimension 600x370 pixels Updated December 21st, 2018. More Trieste
It is a complicated problem for cold-rolled strip to improve asymmetric strip shape in strip production. A roll system and strip coupled model of six-high cold rolling mill was established with finite element method to estimate the effect of intermediate roll shifting, tilting, symmetric and
2018-6-152015. Online shape prediction and control technology of cold rolled strip during continuous annealing. Ironmaking Steelmaking Vol. 42, No. 10, pp. 791-796.
By using the U-EDC work roll contour which was self-designed and used to edge drop control for the UCM cold rolling mill, a remarkable production result was achieved that the qualification rate of ...
2020-8-12There are few articles available on MIG welding of cold rolled steel zinc coated, thickness less than 2mm. I would like to know if there any technical limitation or any other reason behind this.
2020-1-8Big River Steels continuous pickle line and state-of-the-art in-line tandem cold mill produces cold rolled steels ranging in thickness from 0.012 0.1000 and 36 72 in width. In addition, our temper mill has up to 10 elongation capability, critical when making cold rolled motor lamination grades.
2011-8-23Introduction At present, the cold rolled strip is produced on a tandem cold strip mill or a reversing cold strip mill where the work rolls are attened 1 to a non-circular deformed shape 2. Based on the control models applied to the cold strip rolling, a good strip shape
2003-10-15on 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. Schrder July 2003 K. H. Schrder A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File SCHROEDERROLLS010703.DOC
Outstanding shape control flatness Cold Rolled Steel is a mill product made with a high degree of gauge accuracy and uniformity of physical characteristics. The smooth deoxidized matte finish gives an excellent base for paint, lacquer and enamel. Box annealing and absence of scale permit stamping and moderate drawing operations.
Increased mill availability and production consistency Shorter processing time in downstream production facilities such as cold rolling mills because of superior strip shape Highest realization on rolled products due to excellent strip quality Return On Investment ROI 2 years
2020-7-2the strip shape and profile during cold rolling of thin strip with initial thickness of 0.55 mm was investigated. This can be a reference for building a thin strip shape control model and choosing the type of cold strip rolling mill. 2. Principle and configuration of roll crossing and shifting rolling mill
2018-6-15By using a six-high mill as example and by considering the features of the devices and technology, an influence model of roll with cone defect and a suitable shape control technology of a six-high mill was established to guarantee good shape. This model was then applied to a production practice of 1220 cold continuous rolling units.
2015-11-206.3 Flatness control systems for cold rolled strip 113 6.4 Basic concepts of fuzzy logic in control systems 115 6.5 Strip shape pattern recognition method 118 6.6 Fuzzy logic flatness controller model design 121 6.6.1 Roll bending fuzzy logic controller model 125
2012-4-7J J and Han S Y 1996 Shape control of alloy steel rolled by Sendzimir mill KSME Journal 10 3 277-85 6 Scheider A and Werners R 1999 Modeling and optimization for a 20-h cold rolling mill. Iron Steel Eng. 76 3 44-7 7 Forehling P, Rieckmann J and ...
Cold rolling mills. for reducing, skin passing and finish-rolling in 20-high, S6-high 18-high, 12-high, 6-high, 4-high, and 2-high designs, and in combinations of 2-high4-high or 4-highS6-high design, available as one-way, reversing or tandem mill, inline and offline. Shape control systems. for cold rolling mills and strip processing lines.
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