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agc cylinder rolling mill

Huge Capacity Tandem Cold Rolling Mill Line With Double ...

Max exit rolling speed 280m/min Coiler tension ≤70KN Work roller dimensions φ230×750 mm Backup roller dimensions φ630×730 mm Hydraulic AGC system pressure Max 21Mpa Hydraulic AGC cylinders φ480mm x 70mm, 2pcs Main motors

HOT STRIP MILL

Hydraulic AWC system for Hot Rolling Mill Hydraulic AGC system for Hot Rolling Mill Hydraulic AGC system Excellent thickness accuracy can be achieved, from top end to tail end of the production, by providing hydraulic gap adjusting cylinders with the AGC system on mill stands. The hydraulic gap adjusting cylinders are located under bottom back ...

HAGC Rebuild Services (Hydraulic Cylinders) for Steel ...

HAGC Rebuild Services. What can we do for you today? We have a complete line of equipment spare parts, engineering services, equipment rebuild service and on-site field service.

Rolling Mills - My experiences..

Before Hydraulic AGC Cylinders became a standard fixture in flat rolling mills, electrical DC motors were used to adjust top rolls for roll gap adjustment. Different systems from Ward Leonard to SCR's controlled bridge rectifiers1 with or without circulating current were used to fasten the response of screw down motor controls.

Rolling Mill Technology - HAINZL

Rolling Mill Lubrication. We have supplied the gear and bearing lubrication for the hot rolled strip mill with the highest output in the world, located in America. It requires specialist knowledge to design the inside of the tank for optimum water and air separation, especially when it comes to lubrication systems.

(PDF) Hot rolling mill hydraulic gap control (HGC ...

Automated gauge control (AGC) system has taken a wide area of the recent studies that deals with hot and cold rolling mill. These studies had concentrated to …

4-Hi Rolling Mill from Xi'an Hani New Energy and ...

AGC 4-hi rolling mill control accuracy, especially suitable for high precision cold-rolled strip production. 4. Suitable for common carbon steel, stainless steel, rolled steel, special aluminum or copper tape strip etc.. Please Feel free to give your inquiry in the form below. We will reply you in 24 hours. Cancel reply

Aluminum Cold Rolling Mill - uemco.com

rolling, consisting of mandrel, travelling support, vertical gear reducer, snubber roll, expansion cylinder and motor drive etc. The gear reducer can freely slide controlled by the centering system to ensure the coil center is aligned with the line center. …

Automation and Thickness Control in Hot Strip Mill – IspatGuru

Fig 1 Structure of a typical automation system for hot strip mill process. Level 0 – It is the lowest level of control and includes, for example, the control loops for hydraulic capsules used to position the rolls in the rolling mills and for the main electric motors powering the mill.. Level 1 – It is primarily concerned with in-piece control. At this level, the quality parameters …

Hot Rolling Mill Hydraulic Gap Control

as one of the most important functions of the basic automation of the rolling mill the hydraulic gap control hgc is the inner loop of the automatic gauge control agc therefore the good dynamic characteristics of the hgc system are very important to the agc system the hgc system consists of twoacting hydraulic cylinders per stand and one per housing housing window.

Rolling Mill | Temposonics

Rolling mills depend on linear position sensors to precisely control the roller displacement using Automatic Gauge Control (AGC) cylinders. The sensor models with SSI output and optional linearization provide the speed and accuracy required for this application.

Automatic Gauge Control

AGC calculations and provides the necessary analog and digital interfaces to the rolling mill. The DSP based system is connected to a host computer via a USB or Ethernet interface. The basic AGC system utilizes the proven mass flow concept. …

SMS group : USA

· Rolling mill gear box, gearing, and drive spindle repairs (SIEFLEX spindle repairs) · AGC cylinder and bending block reconditioning and testing · Reel and mandrel new manufacturing and repairs · Large-part general machining and fabrication (CNC milling and turning) · Sub-arc roll welding, general fabrication, and stress relieving

Automatic Gauge Control System | Walco

Walco's Next Generation of Automatic Gauge Control Technology Enhances Metal Output Quality with Heightened Speed, Performance and Consistency.The next generation of automatic gauge control system technology from Walco efficiently solves the classical problems presented by outdated closed-loop AGC systems on cold reduction mills.

Custom Hydraulic Cylinders for Steel Mills, Heavy ...

Application: Hot Rolling Mills and Steel Manufacturers. Our Automatic Gauge Control (AGC) Cylinders and Push-Up Cylinders, also called Roll Force Cylinders, are used by high-volume hot rolling mills in the steel industry. These high-force cylinders provide the hydraulic power to flatten and form long steel products into the desired thickness.

ROLL ECCENTRICITY CONTROL WITH THE FORCE FEED FORWARD AGC …

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The Force Feed Forward (FFF) System is the only hot strip mill AGC system in the world today which does not incorporate the BISRA principle for gage control. Instead, using a revolutionary control algorithm, FFF has proven in five installations in North and South America, that steelmakers need not …

Hydmark Applicon - AGC Cylinders

Description In rolling mill, the accuracy & quality of strip thickness at exit are very important factors. To realize high accuracy in the strip exit thickness, the Automatic Gauge Control (AGC) system is used. HAGC cylinders with an integrated position transducer are used to achieve this level of precision under maximum loading.

Roll Force & Special Cylinders - Veljan

Heavy duty Roll Force Cylinders find application in Automatic Gauge control systems (AGC) in Cold Rolling Mill Installations. These cylinders are designed and manufactured by Veljan, have been installed in United States of America, Canada, …

agc cylinder rollingmill

Rolling metalworking Wikipedia. agc cylinder rolling mill The sensor built in rolling mill AGC hydraulic cylinder comprises a cylinder body a cylinder cover a piston Description In rolling mill the accuracy quality of strip thickness at exit are very important factors To realize high accuracy in the strip exit thickness the In a traditional rolling mill rolling is done in several …

CN202271156U - Auto gauge control (AGC) hydraulic servo ...

AGC hydraulic servo cylinder weight is bigger, is installed in mill housing crossbeam bottom, for depressing form; Built-in pressure magnetic appearance is installed on the servoBcylinder.When changing the AGC hydraulic servo cylinder, need hang the hydraulic cylinder pull bar, and press pull bar, AGC servoBcylinder and pressure magnetic appearance are extruded the cylinder …

Enhanced Speed Measurement for AGC-Mass Flow

Mass Flow, Automatic Gauge Control (AGC) is a technique used for many years to control strip thickness in Tandem Cold Rolling Mills. It enables tighter control of thickness by providing faster and more accurate control of the roll gap. Utilizing Mass Flow AGC control techniques permit operations to achieve specified thick-

Automatic Gauge Control System | Walco

Powered by an 80MHz Motorola DSP56303 processor, the DSP performs all AGC calculations providing critical analog and digital interfaces to the rolling mill. The DSP processor rack is connected directly to a host computer via USB or industrial Ethernet interface.

hydraulic cylinder for roller mills

hydraulic cylinder for lateral adjustment of mill roll stand. Monitoring AGC is applied to control the position of the hydraulic cylinder, speed of roller,, Mill operation can only adjust the roll gap S 0,, Chat Online >>.

Hydraulic fault diagnosis, analysis and measures for AWC ...

When the rolling mill works normally, the servo valve controls the AWC servo hydraulic cylinder to work, and its function is to achieve the purpose of positioning the roll gap of the rolling mill and online controlling the width of the strip steel; The second is the bypass circuit (maintenance circuit).

China Hydraulic AGC Cold Rolling Mill Line Manufacturers ...

Hydraulic AGC cold rolling mill line introduction. Either 4-Hi or 6-Hi cold rolling mill, either reversible or tandem cold rolling mill, the hydraulic AGC press-down or press-up system can be available. Hydraulic Automatic Gauge Control is high …

Hot Rolling Mill Hydraulic Gap Control (HGC) …

cylinders are installed. The position of the cylinders is controlled by servo valves and the corresponding position controllers. This hydraulic servo is often called HGC (Hydraulic Gap Control) cylinder. The AGC system provides the reference value for the HGC positioning system. Figure 1 Schematic structure of a hot rolling mill

(PDF) On the Optimization Procedure of Rolling Mill Design

The window height is mainly determined by the roll size and the hydraulic AGC cylinder ... Simulation, and Practical Application for Modern Crown and Shape Control Devices of …

AGC | Scientific.Net

The dynamic behaviour of the rolling mill's AGC (automatic gap adjustment) system mainly depends on the correct operation of hydraulic actuators and servo valves. These equipments are great value, planned maintenance is essential for reliable correct operation. The maintenance includes the refurbish of damaged, worn surfaces inside the ...

AWC Cylinder for Steel Mill

AWC cylinder is known as " Automatic Width Control " Cylinder. It is a large rolling mill equipment used to control the width of iron plate which required by our customers. Over the years, we have built countless steel mill cylinders over the years, include AGC (Automatic Gauge Control), tilt cylinders, lifting cylinders, rotary cylinders ...

AGC - SlideShare

The rolling mill undergoes an elastic deformation since it comesThe rolling mill undergoes an elastic deformation since it comes back to its original shape when the separating force is zero (otherwiseback to its original shape when the separating force is zero (otherwise it would be destroyed). ... AGC mainly controls the loading of cylinder ...

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