Reduction is 8% Per Roll; Roll size: " diameter; Overall dimensions: 102" x 24" x 48" high; Estimated weight: 2000 Lbs. The maximum input for this machine is " Inch (square wire 5mm) and the machine has standard reduction, normally used only for solid wire. Inlet wire size measures approximately " .
Get Price700KW x 4sets DC 1250rpm. Coiler motor. 430KW DC 1400rpm. DC motor control. Siemens 6RA80. Electric control system. Thickness gauge 4sets, tension meter 3sets, Siemens PLC, MTS displacement sensor, etc. The tandem continuous rolling mill is a complex production line, we need customers to tell us their conditions and requirements, then design ...
Get PriceThe WHEMCO companies in Pennsylvania and Ohio, USA manufacture a full range of mill rolls – spun cast iron, cast steel and forged steel. We manufacture both cast and forged rolls for the most flat hot and cold rolling appliions. We are now the sole producer of both cast work rolls and backup rolls in .
Get PriceIn this paper, premature failure of a forged backup roll from a continuous tandem mill was investigated. Microstructural evolutions of the spalled specimen and surface of the roll were characterized by optical microscopy, Xray diffraction, scanning electron microscopy and ferritscopy, while hardness value of the specimen was measured by Vickers hardness testing.
Get PriceJun 01, 2008 · Enhancing the selfmaintenance 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 Yang et aL, Backup roll contour of a SmartCrown tandem cold rolling mill 361 the backup roll and the work roll in good selfmaintenance is made, and the consumption ...
Get Price, We are looking for scrap work rolls backup rolls from cold rolling mill. We are giving our requirement of rolls size as given below. We need 100150/mt per month. 1. Barrel Diameter of rolls150mm – 850mm. 2. Barrel length of rolls700mm – 3500mm and above. 1. IMR Rolls 2. Cold Rolling Mills Rolls 3. Skin PASS Rolls 4. 6HI Mills Rolls 5.
Get PriceComplete line projects include Coupled Pickling Tandem Cold Strip Mill (PLTCM) for POSCO Gwangyang Works and Bridle Steering Unit line for POSCO VST STS SPL. Equipment supplied includes Leveler Roll Assembly for Hyundai Steel Dangjin Works, Back Up Roll Assembly at JFE Steel Chiba Works, and Pinch Roll Assembly at Dongkuk Steel Dangjin Works.
Get PriceOur Precis. Founded in the year 2011, we, Bajrang Tools And Rolls Pvt. Ltd., are a distinguished Manufacturer, Supplier and Exporter of a broad range of Cold Rolling Mill Rolls and Hot Rolling Mill Rolls used in mills. These products are widely used in the metal forming industry owing to their robust design, outstanding performance and minimal maintenance.
Get PriceWe are manufacturer of forged work rolls, backup rolls for CRM etc and other mill rolls such as Leveller rolls, Levelling rolls, pinch rolls, table rolls etc. We are manufacturing the work rolls and back rolls duly induction hardened to achieve maximum case depth of 3040 mm approx on roll induction hardening machine duly designed state of art ...
Get PriceMacroscopic investigations of spalled 3% Crvariety forged steel workrolls used in the tandem mill of an integrated steel plant showed steel strip welding on roll surfaces. Microstructural observations of roll samples at regions away from stripwelded zones showed the desired uniform dispersion of fine globular carbides in tempered martensite. Quantitative image analysis of all investigated ...
Get PriceAug 01, 2021 · Further thickness reductions may follow on a tandem cold rolling mill. A tandem rolling mill typically consists of 3 to 8 mill stands that have to be synchronized by control. Fig. 1 outlines the tandem hot strip rolling mill considered in this work. Each of its fourheight mill stands features 2 work rolls and 2 backup rolls, which minimize ...
Get PriceInnovative technologies. One of the most outstanding products in the ANDRITZ Metals portfolio is its patented S6high rolling mill. This mill is increasingly used for stainless steel strip rolling, either as inline tandem mill for cold rolling or in the entry section of hotstrip stainless steel annealing and pickling lines to roll black hot strip with highest pass reductions and simultaneous ...
Get PriceThe continuous pickling line coupled with a multistand tandem cold mill provides significant improvements in terms of plant efficiency, productivity, product quality and cost savings. These are the results of the elimination of the intermediate storage of pickled coils and the need for strip threading, improving material yield and running time.
Get PriceMill rolls production: Melting: In order to be able to produce virtually all types and dimensions of rolls, we work with EAF, ESR, and Induction smelting equipment.. Forging: Automated forging presses can process the heaviest plate mill back up rolls.. Casting: Cast Rolls are produced in vertical and horizontal spin casters, and static casters.. Heat Treatment: 16 different furnaces, electric ...
Get PriceThere are a large number of formulae for the calculation of the capacity of a milling tandem. Hugot gives the following formula: A = c·n·√N· (·n·D)·L·D 2 /f. where. c. is a factor dependent on the cane preparation equipment, c. = if the tandem is preceded by a shredder. n.
Get PriceAbstract: 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 nonuniform roll wearing and even often had roll spalling, and above those problems affected ...
Get PriceJan 01, 2013 · Table 1 Fabriion process, alloys, and mechanical properties of the rolls used in the hot rolling process Hot mill F1 F2 F3 F4 F5 F6 X X X X X X X X X X X X Appliion Back up roll Back up roll Work roll Work roll Young's modulus (MPa) 195 200 220 180 Poisson modulus Material Cast steel Forged steel High chromium ...
Get PriceTandem mill rolls can be produced up to a maximum weight of 60 tonnes. The maximum finished weight limit for plate mill rolls is 170 tonnes. Tandem mill backup roll can be supplied with barrel hardness levels within the range 55 to 75 Shore C. Surface hardness is constant throughout the working life of the roll.
Get PriceAbstract SmartCrown was a new system developed by VAI for improving the strip profile and flatness control first applied in 1700 mm tandem cold rolling mills at Wuhan Iron Steel (Group) Corporation (WISCO). After tracing and testing, the appliion of the conventional crown backup roll matching the SmartCrown work roll of the production mill led to heavy and nonuniform wear, and the edge ...
Get PriceAs picture shows, it is the tandem rolling mill which contains five six roll mill. There are work roll,intermediate roll,back up roll in each mill. The work roll is directly contact with the rolling plate which should bear high rolling pressure, intermediate roll coordinate cooperation of backup roll and work roll for better shape of plate.
Get PriceBased on the fact that the backup roll for 2250 CVC tandem mill in hot rolling has serious and nonuniform wear, and the edge spalling often happens, a new backup roll .
Get PriceWe are manufacturer and supplier of high quality heavy duty rolls which are used in tube mills. The high quality range of tube mill roll sets is manufactured in accordance with the requirements of the clients. The tube mill rolls are are manufactured using highgrade material and are efficient, durable and are capable of achieving high tolerance for heavy duty operation in a tube rolling mill. .
Get Price