Looper and tension control in hot rolling mills: A survey
Tension and looper control in finishing mills: ASR—Automatic Speed Regulator, ACR—Automatic Current Regulator. A looper installed at inter-stand positions reduces tension …
Tension and looper control in finishing mills: ASR—Automatic Speed Regulator, ACR—Automatic Current Regulator. A looper installed at inter-stand positions reduces tension …
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Two control loop configurations are studied in this work. The configurations are illustrated in Figs. 5 and 6. In the first control scheme, the …
The looper control of hot strip finishing mill is one of the most critical control items in hot strip rolling mill process. It is a highly complex nonlinear system, with strong states coupling and uncertainty that present a difficult control challenge.
The control target in the looper-tension control of (hot rolling mills) is to maintain looper angle and strip tension simultaneously at their desired values.
Gambar 2 Porsi Konsumsi Energi Pada Keseluruhan Proses Produksi Baja PT XYZ (Sumber: PT XYZ, 2018) Porsi konsumsi energi pada proses HSM ditunjukkan pada gambar 3. Dalam gambar tersebut ditunjukkan bahwa porsi konsumsi energi pada proses HSM adalah 30% energi listrik … Design of Interchange Loop Ramps and Pavement/ …
PDF | On Jan 1, 2021, Américo Ferreira Neto and others published Looper angle and looper tension control between roll stands in hot strip finishing mills in adaptive, predictive Proportional ...
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Basic principle of looper control. The looper is a means to detect and adjust the speed relationship between adjacent stands to achieve tension-free rolling. Looper control is …
A hot strip mill (HSM) is a process that rolls steel slabs into coiled strips. The finishing mill (FM), where the strip takes the final thickness, is the most critical process in an HSM because ...
Abstract— In this article, the development of parameterization of the controller for looper control angle and tension in hot strip finishing mills is traced based on Inverse Linear Quadratic (ILQ) and Proportional Integral (PI) mode control, mainly considering, in the rolled material, thickness and width in the steel strip.
Increased material defects and rejected products in a hot rolling mill caused by non-rotating looper rolls – this problem led a customer to turn to Hübner Giessen for help. In our new Case Study, we present our complete tailor-made solution for the rolling mill.
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looper designs. Remotely actuated motors on entry and exit hold-down rollers allow rapid elevation adjustment up to 50 m, keeping the operator at a safe distance from the mill. Our new lubricated-hinged safety cage doors open to expose the top of the equipment, eliminating the need for risky crane side-lifts during maintenance. QUALITY FOCUSED
Loopers have a simple purpose in the manufacturing process. This equipment manages the material in steel rolling mills by regulating the movement and processing of hot steel bars. These loopers comprise a set sequence of rollers that assist …
tension between the finishing mill roll stands, the looper angle must be reduced, as shown in Figure 3, to reduce the strip tension [1]. Due to the changes in looper angle and torque, caused by changes in strip height and length between roll stands, the looper angle value must remain constant, creating a flexible system to absorb mass flow
Loopers have a simple purpose in the manufacturing process. This equipment manages the material in steel rolling mills by regulating the movement and processing of hot …
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Increased material defects and rejected products in a hot rolling mill caused by non-rotating looper rolls – this problem led a customer to turn to Hübner Giessen for help. In …
Tension and looper control in finishing mills: ASR—Automatic Speed Regulator, ACR—Automatic Current Regulator. A looper installed at inter-stand positions reduces tension variations by changing its angle, so it can contribute to the quality of products.
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Basic principle of looper control. The looper is a means to detect and adjust the speed relationship between adjacent stands to achieve tension-free rolling. Looper control is based on measuring the difference in metal flow rate between adjacent stands.
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Abstract— In this article, the development of parameterization of the controller for looper control angle and tension in hot strip finishing mills is traced based on Inverse Linear Quadratic (ILQ) …
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looper designs. Remotely actuated motors on entry and exit hold-down rollers allow rapid elevation adjustment up to 50 m, keeping the operator at a safe distance from the mill. Our …
For example, in case of low strip tension between the finishing mill roll stands, the looper angle must be increased in order to increase the strip tension, as shown in Figure 2; in the opposite ...