petit hot strip mill a vendre

Hot strip mill for steel - SMS group GmbH

The X-Roll® hot strip mill from SMS group is an all-round talent in hot strip production. It is the proper solution for ultra-thin gauges up to thick gauges for all steel grades incl. LC,

China Hot Strip Mill, Hot Strip Mill Manufacturers, Suppliers,

China Hot Strip Mill manufacturers - Select 2024 high quality Hot Strip Mill products in best price from certified Chinese Production Line, Rubber Machine suppliers, wholesalers and

Hot Strip Mills Rolling Mills Hot Flat Product Mills

Get fully refurbished hot strip mills and hot flat product mills from TrueForge. Get a quote for any of our available rolling mills.

hot strip mill factory, hot strip mill factory Suppliers and ...

Find High Quality Hot Strip Mill Factory Manufacturer Hot Strip Mill Factory Suppliers and Hot Strip Mill Factory Products at the Best Price on Alibaba

New hot strip mill for PTKS in operation - SMS group GmbH

One of the world’s most modern hot strip mills started operation in May 2021. The new mill for PT. Krakatau Steel (Persero), Tbk. (PTKS) is the second we supplied to the

D'occasion Hot Strip Mill Machines en vente. Hangji

Rechercher des Hot strip mill machines d'occasion. Trouver Hangji et Unknown en vente sur Machinio.

New latest Hot Strip Mill products 2024 for sale online

Source new and latest Hot Strip Mill products in 2024 from credible China manufacturers, suppliers and factories. Contact most popular products of manufacturers, trading

Hot-Strip Mill at Usiminas: Superior Mill

2016.1.1 Primetals Technologies installed and equipped the No. 2 Hot-Strip Mill at Usiminas with some of the world’s most advanced hot-rolling technologies. The demand for a high-reduction mill capable of rolling

D'occasion Strip Mill en vente. Hangji equipment plus

HRM No.158 Used 480mm steel strip Hot rolling mill (laminoir à chaud) d'occasion. Matériel: Acier doux Capacité: 1 800 000 tonnes/a Épaisseur: 1,3-7,75 mm ; Largeur: 280

Hot Strip Mill - an overview ScienceDirect Topics

In the 1980s, the compact strip production (CSP) type of hot strip mill was developed by SMS consisting of an electric arc furnace and a thin slab caster which produced a slab

热轧带钢终轧温度的多模式控制 - USTB

摘要: 结合国内某2250 mm热连轧精轧机组, 实现速度调节、机架间水调节、速度和机架间水耦合调节三种控制模式, 能够根据热连轧过程中的不同钢种和不同工况采用相适应的控制模式, 以获取最佳的控制效果. 同时, 利用二次

Recent Development of Thin Slab Casting and Rolling

2016.9.14 Thin Slab Casting and Rolling Technology, in particular CSP® technology (Compact Strip Production), is well established for hot coil production. From its introduction in 1989, CSP® technology has been continuously developed further. Today, on a CSP® plant, nearly the full range of high-quality steel grades can be produced with tightest

(PDF) New Approach to Avoid Biting Problems

2017.5.9 rolling mill, an 84-inch hot strip mill and a 132-inch hot strip mill [2 3] while Rowe and Underwood [26] found the opposite influence of the temperature on friction coefficient.

On the use of inline phase transformation sensors in a

2023.7.30 enters a rougher mill and a multi -stand finish ing mill for thickness reduction, and subsequently the hot rolled strip is subjected to a forced -cooling process on the run -out table (ROT) befor e coiling at the down coiler [1] . Figure 1. A schematic drawing of a hot rolling process in a hot strip mill (HSM) .

Novel three-dimensional multi-objective numerical modeling for hot ...

2021.2.8 During the hot strip tandem rolling (HSTR) process, the strip is compressed and elongated continuously, causing significant elastic deformation of rolls. At the same time, the strip temperature undergoes rapid increase and decrease, and distributes unevenly along the strip width direction. Elastic deformation of rolls and strip temperature

Cut of OPEX—Sophisticated Technical Solutions for Hot Strip Mills

2018.2.19 The yield and economy during hot strip rolling depend on developing high capacity components fulfilling further the increasing customers’ demands for cost and resource effective production figures. The paper gives an overview of the latest developments for high capacity components and tools of the SMS group for conventional

(PDF) VCR and ASR technology for profile and flatness control in hot ...

2008.4.1 The roll contour pattern and variety of work and backup rolls in service and its effect on profile and flatness control performance in 1 700 mm hot strip mill at Wuhan Iron and Steel (Group ...

热连轧钢材力学性能在线预报的研究与应用 - 知乎

2022.9.20 热连轧钢材力学性能在线预报的研究与应用. 传统的产品力学性能检测是一种建立在统计学随机抽样理论基础上的检验方法，即在实验室中对取样板卷的头尾部切割样品进行检测，检测结果代表整批产品的力学性能。. 由于钢材生产流程长，生产过程控制参数存

ESTAD: Presentations on Hot and Cold Rolling - Metals

2015.5.1 Third-octave mill chatter, typically occurring in a frequency range between 90 Hz and 150 Hz, is a self-excited vibration phenomenon that normally takes place in the final stands of tandem cold-rolling mills. It can produce significant gauge variations, strip defects and even cause strip breakage.

Algorithm design and application of novel GM-AGC based on mill

2014.3.16 The novel GM-AGC system has been applied successfully in a hot strip mill, the application results show that the thickness control precision is improved significantly, with the novel GM-AGC system, over 98.6% of the strip thickness deviation of 3.0 mm class can be controlled within the target tolerances of ±20 μm.

Design of a control system for a hot strip finishing mill

,4utomatica, Vol. 5, pp. 433-447. Pergamon Press, 1969. Printed in Great Britain. Design of a Control System for a Hot Strip Finishing Mill* Calcul d'un syst~me de commande pour un laminoir finisseur de bandes a chaud Entwurf eines Regel--und Steuersystems ftir eine Heissbandfertigungsanlage Pacc~eT CrtCTeMbI ynpaB~enn~ )XJIa roHe~Horo

Structure Computer Automation Systems for Wide Hot Strip Mills

1972.6.1 The Hot Strip Mill Process The hot strip mill process for rolling steel has four distinct phases: -Heating Slabs 15-30 cm thick, 100-200 cm wide, and 5-10 m long are heated in gas or oil fired multi-zone furnaces to a temperature of approximately l2500 C. Slab residence time in reheat furnaces varies from 90 to 180 minutes. -Initial Reduction ...

Five facts about Ilyich Steel’s 1700 hot strip mill - Metinvest

2019.9.17 Ilyich Steel in Mariupol, Ukraine is modernising its 1700 hot strip mill (HSM), which produces hot-rolled coils. The mill will undergo an almost complete revamp with equipment and technology supplied by Primetals Technologies Austria. Metinvest plans to invest around US$110 million in the modernisation. The revamp of the 1700 HSM

Advanced run-out table cooling technology based on

2017.8.23 for hot strip thicknesses between 6 mm and 3 mm [5−6]. These cooling rates were more than 5 times larger than that obtained by the classical run-out table cooling, such as laminar cooling [7]. In 2002, NKK’s Fukuyama Works completed installation of the Super-OLAC H (on-line accelerated cooling for hot strip mill) system at the

热连轧宽度自适应模型优化 - neu.cn

2016.4.20 摘要：为提高热连轧粗轧宽度控制精度,提出了一种宽展模型参数自适应方法. 该方法将宽展模型中自然宽展系数和狗骨宽展系数作为待优化参数向量,以此为基础对自适应目标函数进行构建,并使用Nelder-Mead算法进行目标函数的最优化求解,得到了满足条件的

Recent Progress in the Rolling Mills - J-STAGE

In the hot strip mills, it was largely due to in-creased slab weight that ensured greater rolling pro-ductivity and keeping of desired end temperature. To stabilize the product quality, on the other hand, fully continuous, rather than semi continuous, roughers bacame popular, though in recent years quasi-con- ...

Optimization of continuous variable crown work roll shifting

2021.10.26 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

(PDF) Improvement of Contact Stress Distribution Between

2022.9.1 For hot strip mills, the mill type option, roll contour design, technological setup and control system modeling are key factors for the high performance of the profile and flatness control system ...

Oxidation and wear behavior of high-speed steel and semi

2021.11.6 Depending on various properties such as hardness, roughness, friction coefficient, wear resistance, and oxidation behavior, different grades of steel can be used in hot strip mills. In this paper, two grades were investigated: one grade of semi-high-speed steel and one grade of high-speed steel. They differ in their chemical composition,

Research and application of multiple constrained hot

2017.8.25 In conclusion, constraints based on hot strip mill pro-duction means are as follows: (a) Due window constraint (b) Hot strip mill unit capacity constraint 3. Energy consumption constraints At present, energy saving and cost reducing based on hot charge rolling or direct hot charge rolling (HCR/ DHCR) have drawn great attentions, but

Endless Hot Strip Rolling SpringerLink

2015.1.1 To meet these requirements, the completely continuous finish rolling, so called” endless hot strip rolling “,has been developed and put into a practical operation at Kawasaki Steel Corporation (now, JFE Steel Corporation) in 1996. This unique technology has realized finish rolling under an uninterrupted tension between rolling stands.

State of the art in hot rolling process control - ScienceDirect

2001.9.1 This paper describes the state of the art in hot rolling process control, especially in hot strip mill. Firstly, the new trend of hot strip mill line is described. Then, the recent progress of mathematical model, sensor, actuator, control theory application and rolling schedule of hot strip mill is discussed. Finally, a summary of plate rolling ...

Implementation of an on-line run-out table model in a hot strip mill ...

2005.11.10 The salient feature of the Tata Steel's hot strip mill and the brief description of run-out table at HSM are presented in this section. Specification of the mill is listed below: • Material: low-high carbon, HSLA (high tensile steels), D/DD (deep drawing)/EDD (extra deep drawing), HR coils for CR, TMBP (tinplate). • FRT: 810–925 °C. •

Dynamic modeling and rolling data analysis of the tandem hot

2016.12.12 The hot strip mill is a complex unit including many processes and control loops and its modeling is a challenging task owing to the variety of phenomena that occur within the mill. Model validation is also challenging owing to a scarcity of measurements. In this study, a computer simulative emulation that can analyze the dynamic behaviors of ...

Progress in Sizing Press for Hot Strip Mill Line

2024.1.15 The first slab-width sizing press at the Kashima Works of Sumitomo Metal Industries was installed in 1985. 13 similar presses have been installed and operated at steel producers during the last 20 years. Before the emergence of the sizing press, Hot Strip Mill (HSM) lines consisted of multiple vertical and horizontal rolling mill stands.

Finisher Automatic Width Control in Hot Strip Mill Based on

2009.5.19 P predictive control method which depends a little on the model and RBF network to approximate the control rule directly, it shots online computing time that passes over solving Diophantine and inversing Matrix and it is suitable for the fast rolling process. In order to increase the qualified ratio of the products and the precision of the width in

High precision shape model and presetting strategy for strip hot ...

2019.3.1 The above shape model has been applied to the hot strip mill line of a steel plant, and the actual production data show that the shape model has satisfactory accuracy. Three continuous rolling schedules are chosen as a sample to evaluate the hit rates of crown and flatness. The sample is composed of five different steel grades including low ...

Modern materials for cast rolls of hot strip mills

5 天之前 V. Goryany, O. Myronova Modern materials for cast rolls of hot strip mills ZASTITA MATERIJALA 63 (2022) broj 3 301 forces and a low rolling speed, which leads to a

IOP Conference Series: Materials Science and

are rolled in a roughing mill to a thickness of about 20 to 30 mm using 5 or 7 passes. The width of the work piece is adjusted in a vertical edger. Figure 1. Arrangement of tandem hot mill rolling line and control unit After that the work piece is rolled down to a strip of about 1.5-16.0 mm thickness, using a four-

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