backup roll contour of a stcrown tandem cold rolling mill

  • Backup roll contour of a SmartCrown tandem cold rolling mill

    Enhancing the self-maintenance of the backup roll and the work roll After the FSR backup roll is used, the states of roll contact and roll wear are improved, and the contour of G.H. Yang et aL, Backup roll contour of a SmartCrown tandem cold rolling mill 361 the backup roll and the work roll in good self-maintenance is made, and the consumption

  • Cited by: 7
  • Backup roll contour of a SmartCrown tandem cold rolling mill

    Backup roll contour of a SmartCrown tandem cold rolling mill Article in Journal of University of Science and Technology Beijing Mineral Metallurgy Material 15(3):357-361 · June 2008 with 52 Reads

  • Backup roll contour of a SmartCrown tandem cold rolling mill

    A new FSR (flexible shape backup roll) was developed and applied in 1700 mm tandem cold rolling mills. A lot of good actual effects of FSR, such as evident improvement in profile and flatness of strips, non-occurring edge spalling, wear uniform, and remarkable decrease in roll consumption were validated by long-term industrial applications.

  • Cited by: 7
  • Backup roll contour for edge drop control technology in

    Request PDF Backup roll contour for edge drop control technology in tandem cold rolling mill Based on ANSYS software and industrial rolling of edge drop control, a 3-dimensional finite element

  • Integrated Design of Roll Contours for Strip Edge Drop and

    Integrated Design of Roll Contours for Strip Edge Drop and Crown Control in Tandem Cold Rolling Mills Article in Journal of Materials Processing Technology 252 · September 2017 with 222 Reads

  • Taper Roll Contour Design for Edge Drop Control of Non

    The taper work roll of the 1700 mm tandem cold rolling mills had some problems in the course of using, and the taper roll contour was ground difficultly and the difference between the designed contour and grinding contour was very big, and the work roll and backup roll had very serious and non-uniform roll wearing and even often had roll spalling, and above those problems affected the

  • Author: Guang Hui Yang, Jie Zhang, Hong Bo Li, Jian Guo Cao, Sheng Hui Jia
  • Integrated design of roll contours for strip edge drop and

    The integrated design of roll contours for EDW (Edge Drop Control Work Rolls) and matched VCR(Varying Contact Backup Rolls) were developed to decrease the uneven deformation of roll flattening and eliminate undesired overhung contact areas for different strip widths, which provides a novel approach for high-quality control of strip edge drop and crown in 4-high tandem cold rolling mills

  • Cited by: 11
  • Analysis of Chatter in Tandem Cold Rolling Mills

    backup rolls and torsion vibration of the drive system are the examples.1,2) 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 bites.

  • Coupled Pickling Line & Tandem Cold Mill Primetals

    COUPLED PICKLING LINE & TANDEM COLD MILL High-capacity production of high-quality products For a wide range of products, the required strip thickness, flatness and surface quality can be achieved more economically by linking the pickling and cold-rolling processes.

  • Taper Roll Contour Design for Edge Drop Control of Non

    The taper work roll of the 1700 mm tandem cold rolling mills had some problems in the course of using, and the taper roll contour was ground difficultly and the difference between the designed contour and grinding contour was very big, and the work roll and backup roll had very serious and non-uniform roll wearing and even often had roll spalling, and above those problems affected the

  • Intermediate roll contour of 6-hi UCM cold rolling mill

    [Show full abstract] then a VCR (varying contact backup roll) was designed for the rolling conditions of PL-TCM (pickling line combined with tandem cold rolling mill) and has been applied to 1700

  • Cambering of Four High Cold Mill with the View of Reducing

    plex waves of normal four high cold mill effectively, but also will reduce the contact between roller ends and minish roll consumption. This technology has created economic benefits for enterprises. Keywords: Complex Waves, Strip Shape, Roll Contour, Roll Contact, Roll Consumption 1. Introduction In recent years, with the rapid development of

  • Edge Drop Constituent Analysis of Cold Rolled Strip

    Edge Drop Constituent Analysis of Cold Rolled Strip The taper work roll of the 1700 mm tandem cold rolling mills had some problems in the course of using, and the taper roll contour was ground difficultly and the difference between the designed contour and grinding contour was very big, and the work roll and backup roll had very serious and non-uniform roll wearing and even often had roll

  • Edge Drop Control Technology of 4-Hi Tandem Cold Rolling

    For gaining strip edge drop controllability and increasing roll grinding precision, the edge drop control work roll (EDW) was developed and designed in 1700 mm tandem cold rolling mill. During the rolling trial, the roll configuration between EDW and conventional backup roll didn’t match well because of the large fluctuation of strip edge drop, the lower shape control ability and non-uniform

  • Axial Force Analysis and Roll Contour Configuration of

    In order to analyze the influence of technical parameters on work roll axial force of four-high continuous variable crown (CVC) mill, the deformation analyzing model with top roll system and strip was established based on influence function method. Then a CVC work roll curve designing scheme was proposed and it was carried out on some cold rolling mill considering the requirement of

  • tandem mill back up rolls in valparaiso

    Premature failure analysis of forged cold back-up roll in,A spalled sample from a forged back-up roll used in a 5 stand 4 Hi tandem mill was investigated The chemical composition and detailed specifications of the forged back-up and work cold rolls are given in

  • Spalling Prevention and Wear Improvement of SpringerLink

    Abstract. Rolls are key components in hot strip mill. Roll wear and fatigue are inevitable phenomena during hot-rolling process. Finite element (FE) analysis shows that roll profiles, especially work roll wear profile, have significant effects on contact stress distributions.

  • A set-up model for tandem cold rolling mills ScienceDirect

    24/10/2001· It is well known that experience is playing a vital role in the selection of operating parameters in tandem cold rolling mills. In the present work, an attempt is made to develop a set-up model for tandem cold rolling mill to maximize the throughput.

  • Spalling Prevention and Wear Improvement of Rolls in Steel

    Rolls are key components in hot strip mill. Roll wear and fatigue are inevitable phenomena during hot-rolling process. Finite element (FE) analysis shows that roll profiles, especially work roll wear profile, have significant effects on contact stress distributions. Long-term effect of huge contact

  • Roll Contour Design of 4-high Mill with Variable Crown by

    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 found.The difference between CVC UPC work rolls and

  • Cambering of Four High Cold Mill with the View of Reducing

    Related technology can’t be copied to tandem cold rolling with heavy reduction rate which is aimed at managing complex seas. The patent, entitled “A back-up roll configuration curve which cooperate with the working roll configuration curve of continuous variable crown mill”, the application number is CN200510024680.1 [7]; the patent, entitled “A back-up roll configuration curve which

  • A New Approach of Strip Steel Tempering and Straightening

    This paper firstly analyzes the problems that exist in the cold rolling of steel industry. Secondly, a new approach is proposed to temper and straighten the strip steel based on the temper leveling mill, shortly, TLM. The required high quality of the wave, surface and mechanical properties can be achieved only with TLM. TLM holds the functions of both temper machine and straightening mill and

  • DESIGN AND OPTIMIZATION OF ROLLING MILL CHOCK

    rolling. Rolling mill configuration and four high stand of reversing cold mill are shown in figure 1 and 2 respectively. Figure [1] Rolling mill configuration 3. Types of Roll Chocks The roll chocks are broadly categorized into 4 types which is shown in fig 3Top Back up Roll Chock 1. Top Work Roll Chock 2. Bottom Work Roll Chock 3. Bottom Back

  • Integrated design of roll contours for strip edge drop and

    Integrated design of roll contours for strip edge drop and crown control in tandem cold rolling mills. Author links open overlay panel Cao

  • Influence of Roll Profile Configuration on High-Strength

    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

  • Stability Analysis of a Nonlinear Coupled Vibration Model

    Mill chatter in tandem cold rolling mill is a major rejection to the quality and production of the strips. In most mill vibration models, either the roll mass is usually limited to vibrate in vertical direction and vertical-horizontal directions, or the multiple rolls system is simplified to a single mass system. However, the torsional chatter is also a typical type of mill chatter, and the

  • AISTech Paper Form Version 8 140221 Steel Plantech

    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

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