Shape and Gauge Control of Strip in a Cold Rolling

Shape and Gauge Control of Strip in a Cold Rolling Mill. satyendra; October 6, 2020; 1 Comment ; AFC, AGC, GBC, GFG, GMC, HGC, reversing mill, SC, tandem mill, TCG, TCS, TCT, Shape and Gauge Control of Strip in a Cold Rolling Mill. The economic efficiency of metal rolling processes is strongly correlated to the quality level of the end-rolled

Robust shape control in a sendzimir cold-rolling steel

1997-12-1  The shape control problem for a Sendzimir 20-roll cold rolling steel mill is characterised by operation over a wide range of conditions arising from roll changes, changes in rolling schedules and changes in material gauge, width and hardness.

Shape Detecting and Shape Control of Cold Rolling

Based on the shape detecting principle and the DSP (Digital Signal Processing) technology, a high-precision shape detecting system of cold rolling strip is developed to meet industrial application. It was successfully used in Angang 1250 mm HC 6-high reversible cold rolling mill. The precision of shape detecting was 0.2 I, the shape deviation was controlled within 6 I after the close loop

Research and Development Trend of Shape Control

2017-7-19  Shape is an important quality index of cold rolling strip. Up to now, many problems in the shape control domain have not been solved satisfactorily, and a review on the research progress in the shape control domain can help to seek new breakthrough directions. In the past 10 years, researches and applications of shape control models, shape control means, shape detection technology, and shape

Rolling Mill Shape Control Control System Design

1999-12-15  Rolling Mill Shape Control System Description. Cold rolling mills are an abundant source of control problems. Typically, the stand consists of a small diameter work roll and a larger backup roll on each side of the steel strip. Significant amounts of energy are required to

shape control in cold rolled mill garden-state.fr

Malaysia Cold Rolled Supplier or Manufacturer. 2011-9-14 · 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

Shape control of alloy steel rolled by sendzimir mill

In order to improve quarter waves occurred in the wide and thin gauged alloy steel rolled by 20-high sendzimir mill, a computer simulation based on the divided element method and an actual cold rolling experiment were carried out. Quarter waves were simulated by elastic deformation analysis of rolls considering bending deformation of back up rolls and the effect of control actuators on

Control Strategies of Asymmetric Strip Shape in Six

2011-9-1  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.

Control Strategies of Asymmetric Strip Shape in Six

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

Effects of rolling parameters on the shape of cold rolled

2018-4-27  AND 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

Shape Detection and Control System of Cold Rolling

Abstract】For 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

Simulation of fuzzy shape control for cold-rolled strip

1997-1-1  Control of cross-sectional cold rolled strip shapes is an important subject in rolling mill because of improvement of cold-rolled strip qualities. However, it is not easy to tackle the problem in a mathematical form since the cold rolling process is a highly nonlinear system in

Control Strategies of Asymmetric Strip Shape in Six

2011-9-1  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.

ROLLED STRIP SHAPE CONTROL USING WORK ROLL

1974-11-26  We claim 1. A method of controlling the shape of a rolled strip delivered from a rolling mill which contains a work roll and means to vary roll force created by said work roll, comprising: rolling a strip to final gauge while subjecting said strip to from about 0.25 percent to about 6 percent elongation in length while using a work roll size and a roll force within a range that, for said roll

Control Strategies of Asymmetric Strip Shape in Six

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

Technological packages › Flat › Q-SHAPE CONTROL ‹

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

Fuzzy-control simulation of cross-sectional shape in six

2016-7-6  In the present study, simulations of the shape control of cold-rolled strip for various irregular cross-sectional types have been carried out on an IBM PC 486 for two cases, steady-state and non-steady-state shape control, using the fuzzy control algorithm that has been devel- oped.

Effects of rolling parameters on the shape of cold rolled

2018-4-27  AND 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

Malaysia Cold Rolled Supplier or Manufacturer

2011-9-14  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.

FINISHING MILL Big River Steel

2020-1-8  Big River Steel’s 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.

Simulation of fuzzy shape control for cold-rolled strip

1997-1-1  Control of cross-sectional cold rolled strip shapes is an important subject in rolling mill because of improvement of cold-rolled strip qualities. However, it is not easy to tackle the problem in a mathematical form since the cold rolling process is a highly nonlinear system in

Modeling of dynamic shape control strategy in cold

Profile control of cold rolling strip include items such as crown, flatness and edge drop, it is a key issue in the strip rolling industry. The dynamic shape control of strip is important in the

Technological packages › Flat › Q-SHAPE CONTROL ‹

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

Effects of rolling parameters on the shape of cold rolled

2018-4-27  AND 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

Roll Contour Optimization for Cold Temper Mill MBA智库文档

2016-11-7  Roll Contour Optimization for Cold Temper Mill Jiang Zhenglian (Cold Rolling Plant of Baosteel Branch, Shanghai 200941, China) Abstract: A study on the performance of strip shape control has been carried out for a 2000 mm single stand cold temper mill.

JSW Cold Rolling Mills Widest Cold Rolling Mill for

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

Hydraulic gap control of rolling mill based on self

2.2 Mathematical model. The control block of the HGC system can be seen in Fig. 4, where r denotes the HGC reference and x p denotes the actuator piston position.. The operation principle of a valve-controlled hydraulic cylinder is shown in Fig. 5, where p 0 and p s is the return pressure and supply pressure, respectively. A 1 and A 2 are the areas of the cavity and the rod cavity

Edge drop control of a taper roll during continuous

To control the transverse thickness profile, such as crown and edge drop, Kawasaki Steel has developed the K-WRS mill installing a work- roll-shift device with tapered WR.As an effective way,the K

FINISHING MILL Big River Steel

2020-1-8  Big River Steel’s 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.

北京科技大学工程技术研究院 USTB

29. Aili WANG, Quan YANG, et al. Study on the formulas of the dog-bone shape of edger rolling in hot strip mill. Advanced Materials Research, 2010, 97-101:2871-2875. 30. Yun ZHANG, Quan YANG, et al. Analysis of cold-rolled strip profile in UCM mill by finite