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Tension Controlled Load Mills
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3BSE043764R0101 RevC Millmate Looper Tensiometer Systems
The Looper Tensiometer load cell is used for strip tension measurement in hot rolling mills. The load cell can be installed as an integrated part of the looper arm and senses the force from strip tension in both directions. The load cell comes in one version, PFTL211-CE, a mill-duty version with fixed connection cable
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Control Option Winder and Tension
tension control to provide a constant pull of a web or wire through the machine in order to ensure consistent product quality. The tension is typically measured by means of a roller mounted on a dancer arm or a load cell. Dancers are generally used where space is not a problem, and load cells in applications where the space is limited.
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VAM® SPRINT-FJ for High Tension and Maximum Clearance in ...
VAM ® SPRINT-FJ was officially launched in November 2020. The first run was completed in May of 2021, in the Delaware Basin. The casing was set at 11,800 ft up to surface. The operator expressed satisfaction with the high running efficiency at about 25 joints per hour, thanks to 4.9 turns to make up, compared with the incumbent connection's ...
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8.36 Rolling Mill Controls
The DC drive also lends itself to tension control because of its simple current-torque characteristic. It can also provide full negative, or braking, torque to a load when equipped with regenerative capability. One disadvantage of this type of drive is its poor power factor at low speeds. Installation of correc-
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Load Cells - zhiminsensor
The ZMME-L is large capacity in line threaded load cell, used for both tension and compression. The load cell is constructed with nickel plated alloy steel, with good stability. The rated capacity ranges from 100KN-6000KN, widely used in crane and weighing industry. Features: Capacity 100KN-6000KN Two sides thread mounting Nickel plated1
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PT Pamor Spinning Mills
With name of Pamor Spinning Mills, this new production unit possesses exceptional amount of 90.000 spindles. Pamor Spinning Mills is designed to be able to produce high quality yarns with effective production cost in our mind. This requires our management to always prioritize on the excellent production quality, in which aligned with our motto ...
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Optimization of mill performance by using
Therefore, ball load could be kept constant by using direct measurement. This article describes the Sensomag and presents some of the major improvements that can be achieved with it. Some other promising avenues are still to be explored. Keywords: Comminution, process control, process optimization, process instrumentation, online analysis.
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A SURVEY OF THE LOOPER-TENSION CONTROL …
looper and tension control system tension looper roll M Fig. 1. Tension and looper control in finishing mills Where, ASR: Automatic Speed Regulator, ACR: Automatic Current Regulator from mass flow unbalance. For example, in the case of low tension, the looper angle increases to get proper tension, resulting in the stable
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The Study of Continuous Rolling Mill Inter-stand Tension ...
The tension control accuracy depends on how exact the unhindered rolling torque is determined. Nevertheless, a change in tension due to this factor may …
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Tension measurement and control in cold-strip mills | IEEE ...
THE COLD rolling of steel strip on tandem mills requires the measurement and control of tension in the strip, and to meet this requirement the tensiometer herein described has been developed. The tensiometer produces a continuous indication of the tension in the strip during the rolling operation, and functions in connection with auxiliary control equipment to …
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Tension Controls - JRC Web
Our Price: $416.76. Tension Control System - Controller - 110 Volts. The controller of Magnetic Powder Brake/Clutch applies stable electricity to the magnetic coil in Brake/Clutch. When electricity passes through the magnetic coil, it will engender magnetic force to gather magnetic powder for transmitting torque.
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THE MECHANICS OF TENSION CONTROL
• If you already have a load cell tension control, it normally has the ability to display actual tension in total pounds across the web. You can also purchase load cells with only a display (no control) if you would like to measure tension within any zone in your machine. 11
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Model 41
Precision Low Profile Load Cell Model 41 DESCRIPTION Model 41 is a low profile "pancake" type load cells. These bonded foil, strain gage load cells are engineered to measure loads from 5 lb to 500,000 lb. The tension/ compression Model 41 is designed with the threaded hole running completely through the center of the cell.
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Tension Control Bolts: Properties, Benefits & Common Problems
Tension Control Bolts also known as tc bolts are used for high strength, steel to steel fastening. It is one of the most commonly used fasteners for high strength applications, even preferred over large hex bolts. The head is dome-shaped and is not designed to …
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China Web Tension Load Cell Manufacturers, Suppliers ...
The mechanical measurement of the tension sensor and the servo water pressure control system are used in machines in paper mills, steel mills, foil production plants, cable laying and sawmills. Typical applications include paper tension testing, mooring control of oil platforms, and others. Mounting of Tension Sensors: 1.
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Web Tension Control Fundamentals - Paper, Film & Foil ...
ABB's web tension system is the perfect choice for measuring web tension in paper mills or converting applications such as , laminating, coating, slipping, sheeting etc. Accurate web tension measurement is a prerequisite for keeping the web tension constant within the desired range, during both acceleration and deceleration.
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Bolted Joint Design | Fastenal
The tension load, no matter how small, will add to the stress in the bolt and/or partially relieve the joint. The bolts in a tension joint must act like clamps. The tightening of the bolt and nut produces a tensile pre-stress, which is approximately equal to …
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ABB strip tension load cells in processing lines
Tension control is one of the most important process parameters in strip processing lines. In order to achieve good tension control you need reliable input of the actual tension. Therefore the selection of reliable tension load cells is crucial. For Outokumpu the choice stood between Pressduc-tor technology and strain gauge technology. In
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2-1 - Tohnichi
is controlled by the generated tensile force after releasing the load. Axial tension can be directly controlled. Torsion stress of the bolt is not generated. The tightening device and bolts are specially made. High cost. Heating method Tightening is controlled by the variation of the elongation before and after heating the bolt.
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Development of a Tension Control System for Hot Finishing ...
Results of Tension Control The looperless rolling system was applied to the tensions t 1 and t2' Fig.9 shows the results of on-line control of tension tl' which atta.ins the desired tension ( 1 kg / mm2 ) within 1 to 2 sec. after the top of the strip passes the second stand. This rise time is several times faster than that of looper.
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Tension Control for Flexible Packaging Manufacturing
Flexible Packaging Tension Control. Flexible packaging manufacturing involves a variety of processes. Whether its converting, slitting, , laminating, etc, each process shares a common trait – high quality tension control is the difference between profit and scrap. The demand for flexible packaging is rapidly increasing and as a result ...
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Design of LTBC Controller for Tension Control in Down ...
control by reduction the tension fluctuation by the torque disturbance in the down coiler process of hot strip mills. The proposed controller is a combination of an LTC to control the overload at load-on in the mandrel and an LBC to regulate the
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US2168777A - Tension control for strip mills - Google Patents
TENSION CONTROL FOR STRIP MILLS Filed May 5, 1937 Alfred D. MCC/Guwy ratemecl Aug. 8, 1939 UNITED STATES PATENT OFFICE TENSION CONTROL FOR STRIP MILLS Application May 5, 1937, Serial No. 140,800 . 3 Claims. This invention relates to the art of rolling and, in particular, to the rolling of strip. ...
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Basics of Web Tension Control Summary
Basics of Web Tension Control Summary Presenter: Darrell Whiteside, Sales Channel Manager – Tension Control Maxcess International This presentation is intended to take the mystery out of web tension control. It is intended for operators, designers and …
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Montalvo Tension and Torque Control | Antech Converting
U4 Open Loop-Diameter Based Tension Controller. The U4 brings advanced features (typically found only in closed-loop control systems) such as soft start, anti-coast and taper tension, to open loop tension control. Compatible with variety of inputs the U4 ensures accurate tension control from full roll to core in open loop control systems.
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Web Tension - HAEHNE Elektronische Messgeräte
Web tension sensors for web tension measurement. Tension measurement and tension control is one of our core competencies. Depending on the application, different designs are recommended. Special requirements can be covered with our extended options. We are familiar with almost every requirement in connection with web tension measurement.
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Unified gauge-tension control in cold rolling mills: A ...
In this paper, the unified gauge-tension control problem is formulated by defining the exit strip thickness of stands and interstand tensions as controlled outputs. It is shown that cold rolling process can be described by a nominal model perturbed by an additive uncertainty. This model is used to design a robust tracking controller, based on H∞ control theory, to …
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Robust Tension Control of Strip for 5-Stand Tandem Cold Mills
Tandem cold rolling process is a nonlinear complex system with external and internal uncertainties and significant disturbances. The improvement in the quality of the final output depends on the control strategy of centerline thickness and interstand tension. This paper focuses on interstand tension control problem in 5-stand tandem cold rolling mills.