process control in hot strip mill

Process Control In Hot Strip Mill

Hot Strip Mill - an overview | ScienceDirect Topics

Hot Strip Mill. HSMM is one of several commercially licensed technologies developed under AISIs advanced process control programme, a collaborative effort among steelmakers and the U.S. Department of Energy to create breakout steel technologies.

Highest performing Hot Strip Mills | Primetals …

Developed out of vast metallurgical know-how and experience in rolling projects, our process control and automation covers the entire process route for Hot Strip Mills. High-performance physical models, combined with neural networks and intelligent technological controls ensure the products’ excellent quality regarding dimensional tolerances and material properties . Our robust automation ...

Development of Shape Process Control System in …

In the process of hot strip rolling, accurate and efficient shape process control system is an important factor to ensure strip with good shape. This paper, based on advanced control concept and optimization mathematical model, aimed at Jingtang 1580 hot strip rolling project, developed advanced shape control system. Among them, the HPCS process control...

Rolling of steel in Hot Strip Mill – IspatGuru

Hot strip mills in these days are either conventional hot strip mills or strip mills for rolling thin slabs. The primary function of the conventional hot strip mill (HSM) is to reheat the semi-finished steel slabs (rolled or continuously cast) to the rolling temperatures and then to roll them thinner and longer through a series of rolling mill stands driven by large motors and finally coiling ...

How to Gain Better Control of Your Hot Strip Mill …

The hot strip steel mill is universally considered one of the harshest environments for process instrumentation and sensors but as the material speed and temperature increases, so does the importance of the measurement values. To ensure product uniformity, hot rolling mills need reliable, repeatable process control data to identify operating issues; off-gauge and off-tolerance product …

How To Maintain Dimensional Quality in the Hot …

Process Variables in the Hot Strip Mill. There are many derivatives of the modern hot strip mill, from multi-stand to reversing Steckel mills to direct casting, but the end goal is always to produce a coil with uniform mechanical and dimensional properties from head to tail and edge to edge. Advanced process control algorithms use hundreds of variables from various sensors and drives to ...

State of the art in hot rolling process control ...

01.09.2001 · The process technology of hot strip mill has matured; however, the development of advanced control in this area is still active, for the reason that the demand to improve quality has become increasingly severe. Furthermore, the market needs for high tensile and ultrathin gauge hot strip have increased recently. Owing to these demands, various kinds of innovations have been promoted …

Production Planning And Control In Hot Roll Mill …

Advanced Process and Quality Control in Hot Rolling Mills. 3.1 Key Feature of Process Control: Detection of Periodic Defects Rolls and rollers are the most heavily used parts of a rolling mill. Due to wear from contacting hot material with great force, their lifetime is limited. Although rolls are refurbished in the roll shop regularly, they occasionally crack before the end of the usual ...

Control of Strip Tension in a Rolling Mill Based on ...

Control of Strip Tension in a Rolling Mill Based on Loopers and Impedance Control A. Steinboeck G. Mu hlberger A. Kugi Automation and Control Institute, Vienna University of Tec hnology, Gu hausstra e 27-29, 1040 Vienna, Austria (e-mail: [email protected]) Abstract: A mathematical model of a strip-looper system of a hot strip tande m rolling mill is developed using Hamiltons ...

The Hot Rolling Process - California Steel Industries

The primary function of the Hot Strip Mill is to reheat semi-finished steel slabs of steel nearly to their melting point, then roll them thinner and longer through 12 successive rolling mill stands driven by motors totaling 77,000 hp, and finally coiling up the lengthened steel sheet for transport to the next process. The Hot Mill rolls slabs weighing up to 30 tons between 30” and 74 ...

HOT STRIP MILLS Mechanical Equipment - SMS group

SMS DEMAG Hot Strip Mills 10 The drum-type shear installed between the roughing and finishing mills of a hot strip mill crops the trans-fer bar at its head and tail. In special applications, the drum-type shear also serves to divide transfer bars and finished plates. Based on the experience gained from more than 60 drum-type shears built so far,

Hot strip mills (Steel) | SMS group

Youll appreciate X-Roll ® hot strip mills from SMS group as all-round plants for high-quality hot strip. They are designed to produce flat steel from thin strip with a minimum final gauge of 1.2 millimeters to high-strength pipe steels up to 25.4 millimeters thick, including stainless steel grades.

How does it work: hot-strip rolling mill - YouTube

ThyssenKrupp Steel Europe spent a quarter of a million euros on renovating its hot-strip rolling mill in Duisburg. The animation shows how it all works.

Strip shape control capability of hot wide strip …

At present choosing the type of hot strip rolling mills and building the automatic control model of strip shape are the two main methods to control strip shape quality in hot rolling [l-41. In this article, based on the analysis of 1500-mill, 1700-mill, and 2150-mill, which are the three typical mills in hot wide strip rolling, their strip shape control capabilities were researched. This can ...

The Study of Cooling Process on Runout Table by …

References. A. Suebsomran and S. Butdee, “Cooling process on run out table by simulation method,” Case Studies in Thermal Engineering, 2013. View at: Publisher Site | Google Scholar A. Mukhopadhyay and S. Sikdar, “Implementation of an on-line run-out table model in a hot strip mill,” Journal of Materials Processing Technology, vol. 169, no. 2, pp. 164–172, 2005.

Experimental Study and Application of Process …

The performance of hot strip mill depends on the cooling process after hot rolling. One important point of improving the technology of controlled cooling after rolling is understanding the effect of process parameters. Heat transfer coefficient is a significant physical parameter during the cooling process. However, there are a lot of difficulties to...

Hot Strip Mill - YouTube

SAMPLE VIDEO FOR ROLLING MILLS

Designing of Hot Strip Rolling Mill Control System

Y. J. Wu 415 Figure 2. Diagram of coiler control process. Table 1. The tension value of Ut of hot roll strip mill.

Rolling of hot strip and strip defects – IspatGuru

Control of strip thickness and cross-section is a real challenge in a hot strip rolling mill. In order to continuously monitor the thickness of strip being rolled, x-ray or gamma ray sensors are used. Precise control of gauge of rolled strip can be done by adjusting the roll gap. Gauge control in hot strip rolling mills is achieved through measurement of strip thickness using x-ray gauge and ...

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