• It is impossible to unwind rolls into a process without proper tension control at the unwind station. Telescoping, "dished" rolls, wrinkles and even web breaks will occur when tension is not controlled at the unwind station. • It is impossible to rewind rolls from a process without proper tension control at the rewind station.
A control system as set forth in claim 1 wherein each stand comprises an edger mill driven by a first motor, and a horizontal mill driven by a second motor. 14. In a control system of the interstand tension of a continuous rolling mill including a plurality of stands each provided with mill rolls driven by a motor, the improvement which comprises:
Many scholars have studied tension control systems, Ashour H et al. [40], designed a PLC and HMI (Human Machine Interface) based variable speed AC (Alternating Current) drive hardware system for ...
The integrated web tension control systems operate an accurate monitoring of the parameters variations and send the correct input to the brake. In this way the brake can adjust the torque to get the desired web tension, …
Tension Control System. KEW is the most leading manufacturer for Tension Control System. The offered range of products is widely used to experience and understand the web psychology and behavior. Our products are manufactured …
Control (Amplifier) System Tension (Machine) Output / tension is influenced only by operator adjustment. To try to keep tension constant as the roll diameter changes, the operator must adjust the control output as he thinks it is necessary. Manual Systems. Example: Driving a car equipped with a sensor that detects
Open the catalog to page 4. System configurations SYSTEM CONFIGURATION 3 More complicated machine with intermediary tension area between winder and unwinder.The intermediary area give the line speed. A master-slave system with speed difference in area B/C give required tension. All tension systems must be according the speed line in close loop.
In tension control systems, the node for dynamic compensation of disturbance caused by a change in the speed of the rolling stand of cold-rolled sheet mills can contain only one channel that compensates only for the dynamic component. The limitation of the disturbance component due to the inaccuracy in the operation of the indirect torque ...
Milled particle size range down to a D50 – 100μ to 20μ. Can be custom integrated into an existing system, for maximum design flexibility. Closed-loop "airless" milling, for minimal moisture absorption. Temperature controlled …
The modeling for the looper of a hot strip finishing mill to control the tension of the strip is presented and the noninteractive (cross) and LQG/LTR control method is suggested. The looper control of a hot strip finishing mill is one of the most important control items in the hot strip rolling mill process. Loopers are placed between finishing mill stands and control the mass flow of the …
TENSION CONTROL IN OPEN LOOP 8 I.a - Manual setting by pot. 8 - 9 I.b - Manual setting by following arm 8 - 9 II - Automatic setting by diameter reading 10-11 III - Automatic setting by diameter reading with additional functions 12-15 TENSION CONTROL IN CLOSED LOOP 16 I - Single roll tension control, automatic setting by dancer arm 16 - 21
What is Tension Control? Tension control is the process of maintaining a predetermined or set amount of stress or strain on a given material between two points to maintain its desired properties (such as form, …
USA Tension control system for universal mill . A tension control system for use with a universal mill such as an H beam mill, in which a tension force in a billet, to be rolled, between roll stands is controlled so as to be maintained at zero Providing that effective loads (Pu) are obtained by linearly summing horizontal and vertical rolling loads, the tension control system controls roll ...
The Universal X2 roll doctor machine sets the standard for machines of this size. It incorporates the latest Total Tension Control System with closed loop tension feedback to ensure it produces finished reels of the highest quality. The machine has been specifically designed to process tension . Get Price
The Warner Electric tension control system, first introduced in 1965, is the established industry standard for reliability and performance. P-771-WE 2/15 Warner Electric 800-825-6544 1 Warner Electric Tension Control Systems Warner Electric offers the most com- plete line of tensioning products avail- ...
AFP equipment is configured as post mills or lathe type machines that can only access performance closed loop PID tension control system Figure 5 Figure 6 – AFP Head Spool Backing Film Takeup Dancer Configuration and tear on the machine components such as bearing cars rails ball screws rack and
Web tension control provides the required web traction and stretch. Web tension control is used within many industries including: Converting, , laminating, Labeling, Nonwovens and Inspection. Wire-cable tension control is used to reduce breakage and control stretch. Wire-cable tension control systems are often used in: Taping/Coating ...
Tension Control System For Universal Mill. Influential laws of roll velocity difference on interstand tension, tensions on web forwardslip, flange spread,.Design of universal-edging rolling process and the establishment of rolling mathematical models for automatic control system as well as mill.
Basis of Tension Control System Construction 8 Application Examples 9 Trouble Examples and Corrective Actions 10 Questions and Answers Chapter 1 This section introduces an example of a process in which tension control is used in a production line for lithium-ion batteries. 1-4-2 Example: Lithium-ion battery production line
The automated control system (ACS) of the continuous roughing train of the 2000 mill includes the tension control system (TCS) intended to keep the tension close to zero. It is a control program executed by the ACS controller that sets motor speeds for the horizontal mill stands (hereafter the standard term "horizontal stand" is used to ...
We claim: 1. A system for controlling the tension in rod or bar products being rolled continuously in first and second roll stands, said roll stands being independently driven by drive motors, said system comprising: a first surface velocity gauge positioned at the delivery side of said first roll stand and a second surface velocity gauge positioned at the entry side of said …
What is claimed is: 1. A tension control system for use in a continuous rolling mill system comprising a plurality of rolling mills each having horizontal and vertical rolls for simultaneously applying rolling loads on the same section of a billet to be rolled, electric motor means for driving said rolls, means for determining the horizontal and vertical rolling loads, means for …
A gauge and tension control system for a tandem mill comprises a delivered strip thickness deviation calculating unit for detecting output strip thickness at each of rolling stands, a tension calculating unit for arithmetically determining interstand tensions between two adjacent rolling stands on the basis of armature currents of drive motors and rolling loads at every rolling …
Tension Control Systems Japanese English Chinese. Tension general catalog Japanese English. TM340 Japanese English. TM310T Japanese English Chinese. MJ Tension Sensor Japanese English Chinese. CJ Tension Sensor Japanese English. Intrinsically Safe Explosion-Proof Tension Sensors.
Synthesis of Tension Control Systems for Winders of Cold Rolling Russian Electrical Engineering Pub Date :, DOI: 10.3103/s1068371220070111 A. A. Pushkina, V. A. Kushnarev, M. A. Grigorev Abstract
Looper and tension control in hot rolling mills developed a tension meter using load cells and applied it to width Tension is controlled by changing looper Tension Control Systems Stemin Breitbach cated closed loop dancer and load cell systems Products for Controlling Tension – Overview 2 Three bolts mount the brake to the arm of the mill roll
A gauge and tension control system for a tandem mill comprises a delivered strip thickness deviation ... an automatic tension control system ... IEEE Xplore Abstract - Gauge and tension control system ...
Double Looper and Mill Entry Tension . In the process of cold rolling,the stability controlled by the tension plays a vital role in the quality of the product.The design of the mill entry and double looper tension control system was given which used in 1 450 mm tandem cold mill based on the principle of indirect and direct tension control.When double looper run at the …
of machine and the tension control installed. This should help you choose the right solution, taking into consideration the results you want to achieve. All the product characteristics and dimensions are included for every product. Tension Control Systems Applying the appropriate Tension Control will help you n save material
One of the basic equipment required on a good machine (on which a roll is processed) is the tension control system. These are required to maintain the tension of the web on the unwind side – as it goes from the unwinder to the process section (1st station in a machine ; coating section in a coating machine and so on…) and on the rewind side – as the web goes …
The Universal Crown Control mill (UCM mill) with work roll bending, intermediate roll bending, intermediate roll shifting and all straight roll application ensure enhanced flatness control. Also strip flatness measuring equipment mounted at one or both ends of the mill combined with multi-zone work-roll cooling to meet the highest demands for ...
Tension control system for universal mill -, Ltd. Jan 18, 1977 · A tension control system for use with a universal mill such as an H beam mill, in which a tension force in a billet, to be rolled, between roll stands is controlled so as to be maintained at zero. Authors: Yasuo Morooka · Shinya TanifujiAffiliation: [PDF]
Download Citation | Tension control system for hot strip mills | The looper control of a hot strip finishing mill is one of the most important control items in the hot strip rolling mill process.