jisi laser texturing for temper mill work rolls

  • Mill roll texturing using EDTScienceDirect

    1994-9-1 · Currendy shot blasting (SB) laser beam texturing (LBT) and electrical discharge texturing (EDT) are the three principal methods used to texture mill rolls however electron beam texturing (EBT) is being evaluated. Although widely used conventional SB has major limitations due to the lack of adequate process control and its inability to deal

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  • Enhanced work roll surface texture for cold and hot

    1994-9-7 · The bowls are formed by texturing a work roll surface with a focused CO 2 laser beam directed to strike the surface of a work roll at oblique incidence to the roll surface normal and then removing any rim material due to the flow of molten metal beneath the beam or any recast material on the roll surface with an appropriate post-texturing

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  • Enhanced work roll surface texture for cold and hot

    1994-9-7 · The bowls are formed by texturing a work roll surface with a focused CO 2 laser beam directed to strike the surface of a work roll at oblique incidence to the roll surface normal and then removing any rim material due to the flow of molten metal beneath the beam or any recast material on the roll surface with an appropriate post-texturing

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  • Method and device for manufacturing cold rolled metal

    22. A device according to claim 21 wherein both rolls of at least one of the pair of work rolls in the cold reduction mill and the pair of temper rolls of the temper mill include a textured surface pattern having a bidimensional deterministic pattern of spots. 23.

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  • Method for performing temper rolling on steel strip and

    Temper rolling at a total elongation percentage of 0.1 or more is performed on a steel strip using a temper rolling mill in which at least one roll stand having high roughness work rolls the center-line averaged roughness Ra of which being in the range of 3.0 to 10.0 μm is provided or at least one roll stand having bright rolls is further provided downstream of the above roll stand and

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  • PhD position Laser Implantation Surface Texturing (LITex

    2019-2-1 · Currently the surface finish of rolled products such as in steel production serving a wide range of market sectors (e.g. automotive packaging energy and construction) is achieved by roughness transfer from temper mill rolls textured by methods developed more than 3 decades ago.

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  • Method and device for manufacturing cold rolled metal

    22. A device according to claim 21 wherein both rolls of at least one of the pair of work rolls in the cold reduction mill and the pair of temper rolls of the temper mill include a textured surface pattern having a bidimensional deterministic pattern of spots. 23.

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  • Some innovative surface texturing techniques for

    2014-6-19 · A two-step nanosecond laser surface texturing process with smooth surface The influence of different work-roll texturing systems on the development of surface structure in the temper rolling process of steel sheet used in Influence of surface texturing and hard chromium coating on the wear of steels used in cold rolling mill rolls.

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  • Method and device for manufacturing cold rolled metal

    22. A device according to claim 21 wherein both rolls of at least one of the pair of work rolls in the cold reduction mill and the pair of temper rolls of the temper mill include a textured surface pattern having a bidimensional deterministic pattern of spots. 23.

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  • New Developments in Rolltexand Rollscan

    2015-11-22 · EDT preferred to other technologies e.g. laser. RolltexECO Dedicated texturing for low volume requirements steel aluminium • Objective to find replacement for Cr-VI plating of temper mill work rolls • Several options considered –EDC gave promising results. • 2 pairs of Tata standard work rolls textured with EDC • Texturing

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  • Electrical discharge texturing Semantic Scholar

    Abstract The paper outlines a low cost electrical discharge machining arrangement for the texturing of steel rolls used in the cold rolling of sheet steel and aluminium. The particular electrical discharge texturing (EDT) technique used affords a high degree of process control compared with more conventional methods and therefore optimisation of roll texture is possible through the selection

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  • Experimental Investigation of Roughness Transfer with Skin

    2021-6-25 · In skin-pass rolling which is the last stage of cold rolling the roughness is transferred to the surface of sheet materials by means of specially roughened rolls. Sheet material becomes ready for use at the end of the skin-pass rolling process. In terms of dyeing and shaping capability of the material the surface is desired to have an optimum roughness profile. In this study HC420LA grade

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  • Surface texture transfer in simulated tandem and temper

    1996-1-1 · The set of working rolls with textures corresponding to those of the temper miU (referred to subsequently as the "temper" rolls) were then substituted for the first set and one of the annealed sheets given a reduction of 0.5 the next 1.0 and the last 1.5 to correspond to a typical temper mill reduction of 0.81.0 .

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  • New Developments in Rolltexand Rollscan

    2015-11-22 · EDT preferred to other technologies e.g. laser. RolltexECO Dedicated texturing for low volume requirements steel aluminium • Objective to find replacement for Cr-VI plating of temper mill work rolls • Several options considered –EDC gave promising results. • 2 pairs of Tata standard work rolls textured with EDC • Texturing

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  • Method for performing temper rolling on steel strip and

    Temper rolling at a total elongation percentage of 0.1 or more is performed on a steel strip using a temper rolling mill in which at least one roll stand having high roughness work rolls the center-line averaged roughness Ra of which being in the range of 3.0 to 10.0 μm is provided or at least one roll stand having bright rolls is further provided downstream of the above roll stand and

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  • Some innovative surface texturing techniques for

    2014-6-19 · A two-step nanosecond laser surface texturing process with smooth surface The influence of different work-roll texturing systems on the development of surface structure in the temper rolling process of steel sheet used in Influence of surface texturing and hard chromium coating on the wear of steels used in cold rolling mill rolls.

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  • An Intelligent Concurrent Knowledge-Based System for

    M. F. El-MENSHAWY and M. S. AHMED (1985). Monitoring and Control of Electro-discharge Texturing Process for Steel Cold Mill Work Rolls NAMRAC-13 Conference Berkeley

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  • Method for performing temper rolling on steel strip and

    Temper rolling at a total elongation percentage of 0.1 or more is performed on a steel strip using a temper rolling mill in which at least one roll stand having high roughness work rolls the center-line averaged roughness Ra of which being in the range of 3.0 to 10.0 μm is provided or at least one roll stand having bright rolls is further provided downstream of the above roll stand and

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  • The influence of different work-roll texturing systems on

    1994-9-1 · 3. Temper rolling tests 3.1 Test rolls Industrial tests were performed on a temper mill in the cold rolling mill II at Thyssen Stahl AG Duisburg (Germany) to investigate the transfer characteristics. Only one set of work roils was used for this purpose. These rolls were structured by fitting axially adjacent strips with different surface

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  • METHOD AND ARRANGEMENT FOR THE LIQUID-ASSISTED LASER

    A method and arrangement for the texturing of a moving steel strip wherein a texture is applied to a surface of a moving steel strip by ablation by means of a single laser beam or a plurality of laser beams directed at the surface of the moving steel strip and wherein a liquid is supplied on the moving steel strip over a surface area on the moving steel strip that covers the working area of

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  • Top quality Laser Texturing factory

    Laser Texturing Equipment Laser Texturing Machine Laser Texturing Surface. It can meet the needs of texturing processing of cold roller and the texturing requirements of various work rolls such as temper mill finisher rolling mill and tandem mill. Laser texturing for Roll. Laser texturing for Roll. Laser texturing

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  • Enhanced work roll surface texture for cold and hot

    1994-9-7 · The bowls are formed by texturing a work roll surface with a focused CO 2 laser beam directed to strike the surface of a work roll at oblique incidence to the roll surface normal and then removing any rim material due to the flow of molten metal beneath the beam or any recast material on the roll surface with an appropriate post-texturing

    Chat Online
  • METHOD AND ARRANGEMENT FOR THE LIQUID-ASSISTED LASER

    A method and arrangement for the texturing of a moving steel strip wherein a texture is applied to a surface of a moving steel strip by ablation by means of a single laser beam or a plurality of laser beams directed at the surface of the moving steel strip and wherein a liquid is supplied on the moving steel strip over a surface area on the moving steel strip that covers the working area of

    Chat Online
  • PhD position Laser Implantation Surface Texturing (LITex

    2019-2-1 · Currently the surface finish of rolled products such as in steel production serving a wide range of market sectors (e.g. automotive packaging energy and construction) is achieved by roughness transfer from temper mill rolls textured by methods developed more than 3 decades ago.

    Chat Online
  • Some innovative surface texturing techniques for

    2014-6-19 · A two-step nanosecond laser surface texturing process with smooth surface The influence of different work-roll texturing systems on the development of surface structure in the temper rolling process of steel sheet used in Influence of surface texturing and hard chromium coating on the wear of steels used in cold rolling mill rolls.

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  • Toll processor cold rollingFerrous Metal Processing

    2017-1-9 · cold-mill memory. For the manufac-turer producing laser-cut parts there are no internal stresses that the cutting process relieves to cause springback. The result no distorted parts and no costly damage to laser optics. FMP has a laser texturing machine for preparing the surface of the work rolls a capability of interest to coil coaters.

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  • Method for performing temper rolling on steel strip and

    Temper rolling at a total elongation percentage of 0.1 or more is performed on a steel strip using a temper rolling mill in which at least one roll stand having high roughness work rolls the center-line averaged roughness Ra of which being in the range of 3.0 to 10.0 μm is provided or at least one roll stand having bright rolls is further provided downstream of the above roll stand and

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  • Electrical Discharge Roll Texturing (EDT) Using Different

    The paper gives the results of a series of tests aimed at evaluating the effect of the electrical discharge texturing (EDT) process on the surface integrity of mill work rolls using two different electrical generator and dielectric flushing arrangements. Investigations were conducted using both a Spark Tec dual voltage DC pulse generator and a Charmilles Robofil 200 employing a single high

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  • Experimental Investigation of Roughness Transfer with Skin

    2021-6-25 · In skin-pass rolling which is the last stage of cold rolling the roughness is transferred to the surface of sheet materials by means of specially roughened rolls. Sheet material becomes ready for use at the end of the skin-pass rolling process. In terms of dyeing and shaping capability of the material the surface is desired to have an optimum roughness profile. In this study HC420LA grade

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  • IOM3 Enabling technologies to boost roll mill performance

    Enabling technologies to boost roll mill performance. 21 July 2021 1pm3pm. Webinar. From the superb full conference programme scheduled for Rolls 6 we are now offering a selection of papers in a special series of Rolls for Metal Rolling Online Seminars. Presenters from research institutes and from the roll-making and roll-using

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  • IOM3 Enabling technologies to boost roll mill performance

    Enabling technologies to boost roll mill performance. 21 July 2021 1pm3pm. Webinar. From the superb full conference programme scheduled for Rolls 6 we are now offering a selection of papers in a special series of Rolls for Metal Rolling Online Seminars. Presenters from research institutes and from the roll-making and roll-using

    Chat Online
  • An Intelligent Concurrent Knowledge-Based System for

    M. F. El-MENSHAWY and M. S. AHMED (1985). Monitoring and Control of Electro-discharge Texturing Process for Steel Cold Mill Work Rolls NAMRAC-13 Conference Berkeley

    Chat Online
  • New Developments in Rolltexand Rollscan

    2015-11-22 · EDT preferred to other technologies e.g. laser. RolltexECO Dedicated texturing for low volume requirements steel aluminium • Objective to find replacement for Cr-VI plating of temper mill work rolls • Several options considered –EDC gave promising results. • 2 pairs of Tata standard work rolls textured with EDC • Texturing

    Chat Online
  • mill roll texturing machinesdomowequlinaria.pl

    As the actual temper mill is used this data will be adopted to another actual temper mill for the application and operation of this experiment. The conclusions are as follows The electro-discharge texturing (EDT) roll has a homogeneous roughness distribution and shape and also a sinuous peak surface and the life time is 2 times longer than

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  • Electrical Discharge Roll Texturing (EDT) Using Different

    The paper gives the results of a series of tests aimed at evaluating the effect of the electrical discharge texturing (EDT) process on the surface integrity of mill work rolls using two different electrical generator and dielectric flushing arrangements. Investigations were conducted using both a Spark Tec dual voltage DC pulse generator and a Charmilles Robofil 200 employing a single high

    Chat Online
  • Method for performing temper rolling on steel strip and

    Temper rolling at a total elongation percentage of 0.1 or more is performed on a steel strip using a temper rolling mill in which at least one roll stand having high roughness work rolls the center-line averaged roughness Ra of which being in the range of 3.0 to 10.0 μm is provided or at least one roll stand having bright rolls is further provided downstream of the above roll stand and

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  • how to use cylindrical grinding machine

    2021-5-23 · crusher electrical problems fluorite ore prices limestone tender for longterm supply concrete crusher specification jisi laser texturing for temper mill work rolls uses of the latest hammer crusher cost of crushed for use on the rolls of a rolling mill or the like Feb 6 1990 Toshiba Kikai Kabushiki Kaisha A grinder or across a work

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  • Some innovative surface texturing techniques for

    2014-6-19 · A two-step nanosecond laser surface texturing process with smooth surface The influence of different work-roll texturing systems on the development of surface structure in the temper rolling process of steel sheet used in Influence of surface texturing and hard chromium coating on the wear of steels used in cold rolling mill rolls.

    Chat Online
  • METHOD AND ARRANGEMENT FOR THE LIQUID-ASSISTED LASER

    A method and arrangement for the texturing of a moving steel strip wherein a texture is applied to a surface of a moving steel strip by ablation by means of a single laser beam or a plurality of laser beams directed at the surface of the moving steel strip and wherein a liquid is supplied on the moving steel strip over a surface area on the moving steel strip that covers the working area of

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  • (PDF) A critical assessment of surface texturing for

    In contrast to that surface texturing is highly 17 P. Baumgart D.J. Krajnovich T.A. Nguyen A.C. Tam A new laser texturing technique for high performance magnetic disk drives IEEE Trans. Magn. 31 application dependent and must be carefully evaluated for each (1995) 2946–2951. tribological system.

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  • Difficulties in characterising roll surfaces

    2014-5-17 · Mill rolls finished by electrical discharge texturing (EDT) are widely used in the when temper rolling with textured rolls. The level of transfer is dependent on the 75 mm long) were used for texturing the rolls (45 mm diameter 550 mm long) which were made of AISI E52100 alloy steel heat treated to give a hardness of -760 HV.

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