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Using 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 roll.
Established in 1952, Neo Industries is a worldwide leader in work roll surface technology. In 1964 we pioneered the industry with our chrome plating and EDT texturing technologies, and we now offer work roll grinding, mechanical plating, copper molds nickel plating, machining, and logistic services.
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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 12.5 tons. Only Chrome Deposit Corporation EDT delivers lasting consistency, elevated productivity and the highest-quality end …
Dec 10, 1998· What is claimed is: 1. A single or plurality of surfaces of rolls treated with a texturing means to provide an extended surface area to said surfaces of rolls, to provide a single or plurality of treated roll surfaces wherein said treated roll surfaces, which optionally are plated, are placed in a single or plurality of roll sets, said roll sets being configured to roll a work piece whereby a ...
Roll Texturing. For some of our customers, the quantity of rolls they need textured is too small to warrant the investment in dedicated Sarclad EDT. However, the advantages of electro-discharge textures can still be obtained by making use of our in-house roll texturing service. We can service a wide range of roll sizes and texture requirements ...
Chrome Deposit Corporation provides superior work roll reconditioning and maintenance services to the steel and aluminum rolling industries. From grinding and chrome plating to EDT and more, Chrome Deposit Corporation brings customers a new level of productivity, cost …
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Sep 13, 2017· The aim of the current work is to capture the physics of the electrical discharge texturing (EDT) on a surface assuming random generation of multiple sparks with respect to (i) space, (ii) time, and (iii) energy. A uniform heat disk assumption is taken for each individual spark. ... Mill Roll Texturing Using EDT," J. Mater. Process. Technol.
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EDT rolling transfers this exact finish onto the strip during the final rolling pass. Crucial here is a specific roughness on the work rolls created by electric discharged texturing (EDT). Once it is applied to the roll barrel, this roughness transfers precisely onto the strip surface.
EDT: Roll texturing technology as a base of modern surfaces in automotive cold mill flat products ... such as the skin-pass mill roll to control the surface profile of the sheet steel and meet the ...
Aug 06, 2018· EDT technique is a kind of texture method to melt the material on the barrel by spark-discharge 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 etc.
With texture ranges from Ra 0.5 to 12 µm, regardless of roll hardness, the most stringent requirements for coated and uncoated strip qualities can be satisfied Machines of various sizes and specifications operate continuously to provide textured rolls for Tandem, Temper, Skin pass, Sendzimir, reversing mills and speciality strip producers.
Jul 29, 2021· SMS Technical Services is a fully owned subsidiary of the large German OEM mill and metals processing provider, SMS group. We provide comprehensive maintenance and spare part services for steel works / continuous casting (flat and long products), tubes, welded pipe, forging, non-ferrous technology and heat treating from one single source.
In the temper rolling process the effect of transferring the roll-surface structure to the steel sheet is purposely used to adjust a defined sheet-surface structure required for further processing. At the moment four different texturing techniques (SBT, EDT, EBT, LT) are available for the production of specified roll-surface structures; these ...
Reproducible roll barrel geometries and a faultless surface are essential for flawless products and a continuously high manufacturing quality in the cold rolling mill. The basis for high quality end products is provided by WaldrichSiegen roll grinding and electrical discharge texturing machines worldwide.
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duces a roughened texture or matte finish. This method produces a somewhat nonuniform and variable finish. Figure 1 shows the 3D surface of steel produced from blasted finish mill rolls as compared to the steel surface in Fig. 2, pro-duced by EDT-processed mill rolls. EDT in-volves applying a pulsed electric field between Todd Daenzer Greer ...
2.6 Temper Mill Reduction After the roll texturing process has been finished, the roll-surface structure has to be transferred to the sheet metal. This process is obtained through the Temper Mill ...
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