mill roll texturing using edt

Mill roll texturing using EDT ScienceDirect

The paper discusses the techniques now available for roll texturing, the developments that have occurred over the last decade and the main advantages provided by EDT over traditional SB methods The results of an extensive series of tests aimed at evaluating operating variables when texturing steel work rolls using EDT are presentedSummary 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 arrangementsElectrical Discharge Roll Texturing (EDT) Using

EDT Texturing technology – Mill Rolls Manufacturer

EDT technique is a kind of texture method to melt the material on the barrel by sparkdischarge between the electrode and the barrel in the insulation liquid The texture pattern has a random distribution Appearance with different Ra/PC can be achieved by adjusting the pulse discharge data, discharge mode and electrode etcUsing EDT instead of other traditional texturing methods gives us greater precision and control over the final product Rockport Roll Shop’s EDT process produces improved consistency from roll to roll, higher peak count, lower waviness, and better strip control It also reduces the influence of roll hardness on the final roughness of the rollEDT and Flash Chrome Plating Rockport Roll Shop

EDT Texturing EDT Texturing Services | Chrome

Chrome Deposit Corporation’s EDT Texturing machines are capable of texturing a roll face up to 84″, diameter up to 32″ and roll weight up to 125 tons Only Chrome Deposit Corporation EDT delivers lasting consistency, elevated productivity and the highestquality endRoll Texturing High quality roll texturing carried out inhouse by experienced Sarclad engineers on purpose built Rolltex EDT machines For some of our customers, the quantity of rolls they need textured is too small to warrant the investment in dedicated Sarclad EDTRoll Texturing | Sarclad

Manos Skalidakis, Sarclad Limited Sarclad Rolltex EDT

Sarclad Rolltex EDT machine range 72 Electrodes for typical production of up to 1000 rolls per month 36 Electrodes for typical production of up to 600 rolls per month 12 Electrode for narrow strip, Z mills or low roll volume texturing Eco EDT for aluminium & low volume steel strip production up to 1000 rolls per yearelectric discharge texturing of rolls depend on UiL [V] and UiH [V] texturing voltage, I [A] texturing current, On [μs] pulse length, Off [μs] pause length, roll speed, feed speed, material of used electrodes, their shape and size of working surface Electric discharge texturing machine EDTELECTRODISCHARGE TEXTURING OF TOOLS SURFACES

Rolltex | Sarclad

Sarclad Rolltex machines deliver a fast and reliable process to provide surface textures on cold mill rolls to outstanding accuracy and consistency This achieved with lower operating costs and improved environmental conditions compared to other texturingWe also provide turnkey onsite or offsite roll shop management for both hot and cold rolling mills where we supply labor and capital resources for the roll shop construction and ongoing maintenance In the area of cold rolling, we provided EDT (ElectroDischarge Texturing), roll grinding, and chrome plating servicesSTS Hot and Cold Rolling SMSgroup

mill roll texturing using edt eiscafekindde

Mill Roll Texturing Using EDT, J Mater Process Technol, 45 Get Price SURFACE QUALITY IMPROVEMENT OF HOT DIP Roll Receiving Inspection Grinding EDT Hard Chrome Coating in which chromium is deposited from a chromic acid solution Inspection Roll Surface Inspection roll surface after receiving roll from production line Mill roll texturing using EDT Aims, equipment and procedure The aims of the present work were to evaluate the effects of the various electrical operating parameters peak current, on/offtime, capacitance polarity and tool electrode material on roll surface topography Textunng was undertaken using a lX~ servo qtull arrangement fitted Edt Roll Texturing Equipment friedelsoft

Electrical Discharge Roll Texturing (EDT) Using

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 highElectroDischarge Texturing (EDT) is a specialized texturing process that replaces shot blast and provides a superior surface texture on rolls prior to chroming It produces consistent, repeatable surfaces with tight tolerances from 50350 Ra, extremely uniform surface with little variance over the surface of the roll and superior texturedElectroDischarge Texturing (EDT) SMSgroupInc

Difficulties in characterising roll surfaces

Mill rolls finished by electrical discharge texturing (EDT) are widely used in the manufacture of steel and aluminium alloy sheet / strip Appropriate selection of process operating parameter levels: peak current, onloff time, polarity, etc, allows a limited degree of independence in specifying rollroll speed, feed speed, material of used electrodes, their shape and size of working surface Electric discharge texturing machine EDT 2100/4500 was used to research the influence of parameters of electric discharge texturing of the surface of work rolls Parameters of electric discharge rougheningELECTRODISCHARGE TEXTURING OF TOOLS SURFACES

Manos Skalidakis, Sarclad Limited Sarclad Rolltex EDT

Sarclad Rolltex EDT machine range 72 Electrodes for typical production of up to 1000 rolls per month 36 Electrodes for typical production of up to 600 rolls per month 12 Electrode for narrow strip, Z mills or low roll volume texturing Eco EDT for aluminium & low volume steel strip production up to 1000 rolls per yearRoll Surface Technologies (RST) provide hard chrome plating, steel / polyurethane / rubber roll grinding, electro discharge ( EDT) roll texturing, chock maintenance and inspection as well as a diverse range of other services such as plant maintenance, roll turning and repair, and in plant coil logistics solutionsHOME | corerst2017 roll surface

Manufacturing Surface finishing European Aluminium

Surface texturing (EDT & Mill Finish) Background: The established surface topographies for Al autosheet are Millfinish and EDT (electric discharge texturing) Millfinish is the standard surface used in N America Although Millfinish is used in Europe, EDT is more common (particularly for outer panels)Sarclad Rolltex machines deliver a fast and reliable process to provide surface textures on cold mill rolls to outstanding accuracy and consistency This achieved with lower operating costs and improved environmental conditions compared to other texturing processes such as shot or grit blasting Advanced electronic control provides independent selection of surface roughness (Ra) and PeakRolltex | Sarclad

ElectroDischarge Texturing (EDT) SMSgroupInc

ElectroDischarge Texturing (EDT) is a specialized texturing process that replaces shot blast and provides a superior surface texture on rolls prior to chroming It produces consistent, repeatable surfaces with tight tolerances from 50350 Ra, extremely uniform surface with little variance over the surface of the roll and superior texturedmill roll texturing using edt WereldPraktijk Deze pagina vertalen 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 electrodischarge texturing (EDT) roll has a homogeneous roughness distribution and shape, andmill roll texturing machines domowequlinariapl

ELECTRODISCHARGE TEXTURING OF TOOLS SURFACES

roll speed, feed speed, material of used electrodes, their shape and size of working surface Electric discharge texturing machine EDT 2100/4500 was used to research the influence of parameters of electric discharge texturing of the surface of work rolls Parameters of electric discharge rougheningSarclad Rolltex machines deliver a fast and reliable process to provide surface textures on cold mill rolls to outstanding accuracy and consistency This achieved with lower operating costs and improved environmental conditions compared to other texturing processes such as shot or grit blasting Advanced electronic control provides independent selection of surface roughness (Ra) and PeakRolltex | Sarclad

Laser Beam Texturing for Automotive Metal Forming

grinding) or electrodischarge texturing (EDT) of mill rolls that then impart the developed finish onto the metal surface during the final rolling operation Asia and Europe additionally use laser beam texturing (LBT) or electron beam texturing (EBT) systems to induce a matte finish on millTraditionally, laser texturing of mill roller is using a rotating chopper for beam modulation and the output pulse rate is 10 kHz (Wan, 2008, pp309314) Texturing a roller with length of 1800mm and radius of 300mm will cost 132 minutes In order to meet the industrial requirements and improve the surface quality of a textured rollerTexturing Parameters and Characteristics of Multihead

Manufacturing Surface finishing European Aluminium

Surface texturing (EDT & Mill Finish) Background: The established surface topographies for Al autosheet are Millfinish and EDT (electric discharge texturing) Millfinish is the standard surface used in N America Although Millfinish is used in Europe, EDT is more common (particularly for outer panels)The roll shape and surface are machined to a high degree of accuracy Traditionally, the roll surface is textured by processes such as electrical discharge texturing (EDT), electron beam texturing (EBT), laser texturing, chemical etching, media blasting, such as sand blast, shot blast and shot peen and the like, as well as embossingWork rolls surface textured by media blasting and

IOM3 | Roll surface treatments & assessments

New developments in roll surface texturing will be discussed in the third paper The final paper in this session, from a broad consortium comprising research institutes, roll users, a roll manufacturer and a measurement system supplier, will present a project enabling mill operators to perform fast roll surface analyses directly at the end of aDesigned to provide fast and accurate real time results, using combined noncontact eddy current and ultrasonic technologies to detect surface and subsurface flaws of hot and cold mill rolls Mounted onto roll grinding equipment, Rollscan systems can be used during and after roll grinding activities to effectively detect and quantify surface defects such as rollContinue readingRollscan | Sarclad

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