used 6 hi cold rolling mill rm products
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Apr 2012 sep 20131 year 6 months new delhi area india spearheaded cold rolling process production6 hi new flat rolling mill analyzed customers and competitors in detail to formulate a business plan managed control and automation of the mill.
thus it was desired to develop a new type of mill which is capable of controlling the rolled strip shape even with changes in rolling conditions the performance of a conventional 4high mill is not satisfactory in these requirements a new 6high cold rolling mill hereinafter hcmill has been developed in order to solve these shape problems.
Cold rolled strip steel finishes coldrolled strip steel finishes are usually specified to one of the finishes below number 1 or matte dull finish a finish without luster produced by rolling on rolls roughened by mechanical or other means this finish is especially suitable for paint adhesion.
Cold rolling and process lines measuring range 01 mm to 25 mm description rm 210 cm strip thickness gauge for processing lines entryexit of hdgl electrogalv electrolytic tin and other metal coating lines slitting lines pickling lines and other reroll linescold rolling mills single stand reversing mills tandem mills and z mills.
Cold rolling mill control systems by using meticulous autocontrol and abundant monitoring and recovery functions these systems achieve the worlds highest quality level as they control steel thickness tension and shape through the adoption of advanced control.
Cold rolling rolling of steel normally flat products below the recrystallisation temperature of steel normally at room temperature to produce cold rolled sheets strips coils mills used for the purpose are called cold rolling mills 2hi4 hi6 hi20 hi mills rolling mills are classified as 2high 2 hi 4 hi and so on depending on.
Coldrolled sheets can be produced using one of these two main methods cutting coils on special cutting machines or using combined cutting followed by straightening packing and marking finished sheets processing hotrolled sheets on nonreversing coldrolling mills in this case hotrolled coils cut to sheets are used as feedstock.
Coldrolling mills provide precise realtime measurements during highspeed production of aluminum plate sheet and foil the sensor physicists in our application lab have developed sophisticated alloy compensation algorithms based on fundamental physical properties to help you meet the tightest tolerances for all alloys and clad products on.
Degassing may follow steel making the products may be rolled and supplied in asrollednormalizing normalizing rollingcontrolled rollingaccelerated cooling conditions as per the agreement between the purchaser and the manufacturersupplier 63 material produced by rerolling finished products virgin or used or scrap or by rolling.
Dimensional tolerances for coldrolled sheet thicknesses 01 mm to 035 mm 0004 to 0014 inch flatness tolerances to within 15 mmm 316 inchfoot for cold rolling 55 mmm 58 inchfoot for hot rolling hot rolling and sand casting produce similar ranges for surface finish.
Divided in to cold heavy rolling mill and cold finishing rolling mill the stand type of it is four high cold rolling mill cold rolling aluminum novelis operates a variety of types and sizes of cold roll mills at locations around the world including some that run at exit speeds as high as 3000 meters per minute stages in cold rolling.
Due to their excellent features sundwig s6high supported 6high rolling mills are mainly used for cold rolling of a wide range of strip hardnesses widths and gauges either in processing lines as highcapacity reduction mills or offline as reversing reduction mills a special feature of sundwig s6high rolling mills are the sidesupported.
Dull buffed en no 2j for cold rolled a semidull finish with a uniform grain generally applied to the supplied surface of the mill finish stainless steel no pregrinding is involved so only the smoother mill finishes such as 2a or 2b can be used this finish is obtained using a bristle type brush or fine abrasives it is used.
technical information about the six high mill roughness freq of roll diameter mm ra micron change work roll 425 max 380 min 05 06 500 tonnes intermediate rolls 490 max 440 min 06 07 1000 tonnes back up rolls 1250 max 1050 min 06 08 10000 tonnes 5 7.
Find new and used 4 high rolling mills for sale from suppliers near you united bliss fenn and more.
Guarantee for key process technique 1adopt advanced production process routine cold rolled dq and ddq products pass hot metal pretreatment top and bottom combined blowing bof rh vacuum refining furnace 2250 hot rolling mill pltcm and batch annealing furnace skin pass mill finishing mill.
Hot amp cold rolling this united engineering rolling mill can withstand 600 tons of force while rolling cold reductions as great as 70 have been performed on material 6 inches wide roll diameter 8 roll width 12 tolerances on cold rolled rod material will be in the range of 0015 to 0005 depending on the diameter and condition.
Hot and cold rolling mill hotrolling mill equipment on which solidified steel preheated to a high temperature is continuously rolled between two rotating cylinders cold rolling mill equipment that reduces the thickness of flat steel products by rolling the metal between alloy steel cylinders at.
Hot rolling mills the modern hot strip mill is furnished with a tremendous amount of equipment from the reheat furnaces all the way down to the coil processing equipment fortunately for both our ferrous and nonferrous customers alike butech bliss can provide equipment and technical services for nearly every element of the hot strip mill.
Jfe manufactures tin mill products under strict operating in order to meet customer requirement for example since the inclusion defect in substrate is controlled in steel making process and thickness prole is controlled in hot and cold strip mill jfes tin mill products can be applied to drawing can and easyopen endeoe usage.
the cold reduction process so you are looking for cold rolled coils well to achieve it hot rolled pampo is sent through a series of tandem rolling mill stands 4high or 6high vertically stacked rolls as the material exits each stand it is a fraction thinner than the original hot rolled pampo when it leaves the last stand the material is.
the fourhigh rolling mills are used for rolling of plates and strips in case of hot rolling and strips in case of cold rolling these mills are both nonreversing and reversing types of the rolling mills six high mills in six high rolling mills there are six.
the vgr experiments were carried out on a fourhigh coldrolling mill the diameter of work roll is 105 mm diameter of backup roll 300 mm roll width 300 mm and maximum rolling force is 1000 kn the strip of mild steel with 100 mm width 2 mm thickness and 235 mpa yield strength was rolled in the fourhigh mill.
Machine 13308 manaufacturer united engineering usa type mill 4 high reversing rolling mill coil thickness as used 00078 0060 0215 mm coil width max 20 500 mm line speed max 960 fpm 300mpm material stai.
weidlich f braga apv da silva lima lgdb j nior mb souza rm 2019 the influence of rolling mill process parameters on roll thermal fatigue int j adv manuf tech 6 linghu k jiang z zhao j li f wei db xu jz zhang xm zhao xm 2014 3d fem analysis of strip shape during multipass rolling in a 6high cvc cold rolling mill.
Mcc abb ims type 6hi cold rolling mill built 2009 stopped 2017 annual capacity 220000 tonyear annual running time hour 6480 strip width 8001250 mm thickness entry 1535 mm exit 02 12 mm decoiler od 10002000 mm decoil id 610 mm decoil weight max 25 t coil od 10002000 mm coil id 610 mm coil weight max 25 t mill max speed 1300 mmin threading.
N hot and cold rolling mills 4 the demands on mill profitability productivity and product quality are on the rise at the same time mill flexibility has to match the growing variety of products strip quality and mill throughput are influenced by various factors such as.
cluster mill or sendzimir mill stand in this rolling mill stand each of the work rolls is supported by two backing rolls cluster mill and sendzimir mill are used for rolling thin strips of high strength materials and foils 00025 mm thick the work roll in these mills can be as small as 6 mm diameter made of tungsten carbide.
Primetals technologies supplies standalone and inline skinpass mills in either single or twostand design for adjusting the final mechanical properties flatness and surface finish of coldrolled strip due to its higher rolling forces the 6 high ucmmill is the preferred skinpass mill solution to meet the continually increasing demands.
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