backup roll contour of a smartcrown tandem cold rolling mill

backup roll contour of a smartcrown tandem cold rolling mill

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  • AISTech Paper Form Version 8 140221

    Those two separate functions make strip centering stably and accurately at the entry side of the mill 5-stand Tandem Cold Mill Most modern Tandem Cold Mill of five (5) stands with all 6-high mill is provided Positive and negative Roll Benders for Work Rolls and Intermediate Rolls, Roll Shift Device for Intermediate Rolls are provided for...

  • Roll Contour Design of 4

    The gap crown between two work rolls of plate mills and the strip shape can be adjusted by axial shifting of the work rolls, both of them have a special contour By the research on the function of the work roll contour especially on the 3 power series function and the CVC roll contour function a way to determine the contour parameters was foundThe difference between CVC UPC work rolls and ....

  • US5746081A

    The invention relates to an installation for cold rolling strip-shaped rolling material, with a reversing stand disposed between two reel-up or unreeling coils or reels Approximately 450,000 tons of hot rolled strip can be rolled in the course of one year into cold strips in such single stand reversing trains In order to be able to roll 700,000 tons of cold strip per year, a second reversing ....

  • US6142000A

    A method of operating a rolling mill for hot-rolling and cold-rolling of flat products in one or more roll stands each having two or more rolls, wherein the roll gaps are regulated so as to correct the differential force between the drive side and the operator side of the roll stands, while compensating the adjustment value-controlled regulation of the roll gaps which corrects the bending and ....

  • 20 hi cold rolling mill defects

    Backup roll contour of a SmartCrown tandem cold rolling mill Hot rolled and cold rolled are the process of steel plate or profile forming They have a great influence on the structure and performance of steel The rolling of steel is mainly hot rolling, and cold rolling is usually used only for the production of steel with precise sizes such as...

  • EP0276743B1

    EP0276743B1 EP19880100774 EP88100774A EP0276743B1 EP 0276743 B1 EP0276743 B1 EP 0276743B1 EP 19880100774 EP19880100774 EP 19880100774 EP 88100774 A EP88100774 A EP 88100774A EP 0276743 B1 EP0276743 B1 EP 0276743B1 Authority EP European Patent Office Prior art keywords work rolls f1 f7 strip roll Prior art date 1987-01-24 Legal status (The legal status is an ,...

  • Influence of Roll Profile Configuration on High

    According to the characteristic of high-strength strip, the roll profile configuration and change of CVC tandem cold mill are analyzed Through the establishment of FEM model, the influences of three representative forms of roll profile configuration on high-strength strip flatness control in CVC cold rolling mill are compared, which are conventional back-up roll / CVC intermediate roll, back ....

  • Analysis of Chatter in Tandem Cold Rolling Mills

    backup rolls and torsion vibration of the drive system are the exampl1,2) The most likely instability caused in tan-dem cold rolling mills is due to vertical oscillations of rolls, and the typical frequency of chatter ranges from 150 to 250Hz Also, it has been recognised to have close relation with friction conditions in roll bit...

  • SmartCrown work roll contour of a 4

    Request PDF | SmartCrown work roll contour of a 4-hi tandem cold rolling mill | The new SmartCrown profile and flatness control technology was first adopted in a wide strip tandem cold rolling mill...

  • US4658620A

    A tandem mill has a plurality of stands and has at each stand one mill suitably selected from a common four-high mill, a sleeve sliding mill, an intermediate back-up roll shifting mill, and a sleeve expanding mill...

  • Backup Rolls Manufacturers India,Back ,

    Backup Rolls For Rolling Mills Back up roll is the largest and heaviest roll of a rolling mill Using the weight, it delivers the rolling force to the work roll and supports it We at our manufacturing unit are involved in casting and fabricating of heavy duty backup rolls which uses excellent steelmaking and forging technology to manufacture clean and flawless back up rolls for cold rolling ....

  • Spalling Prevention and Wear Improvement of ,

    Spalling Prevention and Wear Improvement of Rolls in Steel Strip Hot-Rolling Process , SS Indimath, G Mukhopadhyay, S Bhattacharyya, Failure of a work roll of a thin strip rolling mill: a case study Procedia Eng 86 , G Yang, J Cao, J Zhang, S Jia, R Tan, Backup roll contour of a SmartCrown tandem cold rolling mill J Univ Sci ....

  • (PDF) SmartCrown

    SmartCrown was a new system developed by VAI for improving the strip profile and flatness control first applied in 1700 mm tandem cold rolling mills at Wuhan Iron & Steel (Group) Corporation (WISCO)...

  • Method and apparatus for rolling rolled strips

    Jul 29, 1997· These and other aspects of the invention, which shall become apparent hereafter, are achieved by a Method and Apparatus for Rolling Rolled Strips, comprising at least two rolling stands with horizontally adjustable top and bottom work rolls with each work roll being backed up directly or through an intermediate roll, by a backup roll, or a ....

  • US3733878A

    A roll for a rolling mill, the roll having end reliefs that reduce substantially roll end spalling and increase substantially the range of roll contour control by roll bending The end reliefs of the roll comprise two symmetrically located, smoothly curving exponential functions extending either (1) from the center line of the roll face to the two ends of the roll, or (2) from two locations ....

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