This finish helps to maintain effective lubrication during metal forming and improves the appearance of painted surfaces. Fromtheminethroughthemill howtousethispublication thispublicationenlargesupontheinformationpresentedinthealuminumassociation dvdrollingaluminum. Study of additive for aluminum cold rolling lubrication. Development and lubricating properties of rolling oil for. Conclusions a hot rolling oil was successfully developed in authors laboratory which was successfully commercialized in indian steel plant. Their uerrero plant is located in monterrey, mexico. Pipe leaving the machine is cut to the desired length. The oil press was operated to extract oils from vegetable oilseeds. Measurements of surface roughness in cold metal rolling in. Finally, the looseleaf format permits the easy insertion of product information. During the last three decades, many tribological models of. Hard drawn sae 10601075 high carbon cold drawn spring steel is a standard material for snap rings. Oil filtration unit cold rolling mill process filtra.
This method improves on slime extraction by reducing the volume of metal to dissolve. For continuous casting and cold rolling, oil and total suspended solids should be less than 5 g t and 10 gt. Oil company wocorol 0 series the wocorol 0 series of products is the workhorse of the wallover line of rolling oils. Lubrication in cold rolling pure research information. A lot of lubricating oil is consumed in the process of the cold rolling of stainless steel. The manual may also be used as a readyreference, by consulting its subheaded. Rolling is the process of reducing the thickness or changing the cross section of a long workpiece by compressive forces applied through a set of rolls, as shown in figure 51. As we all know, the friction is easy to produce excess power and waste of limited force. A set of lubricating oil recovery system is designed and constructed, which is equipped with a set of expanded size recovery oil pan for recycling splashed oil, a high efficiency twolevel. Pdf low carbon steel strips were cold rolled using various lubricants.
Sms me, and natural gasfired coil anneal furnace id no. Available and emerging technologies for reducing greenhouse gas emissions from the iron and steel industry prepared by the sector policies and programs division office of air quality planning and standards u. Pdf cold rolling of steel strips with metalworking coolants. Quaker chemical is dedicated to engineering the best cold rolling oils for your specific rolling process. Patent documents 1 to 3 disclose metal rolling oil compositions which exhibit excellent. Problems of cold rolling mill lubricating oil usage. Oil tempered sae 10701090 high carbon tempered spring steel is a standard material for spiral retaining rings and wave springs. Multiroll cold rolling mills are used to process high grade steel strip and nonferrous metal strip. Mini steel mills multilateral investment guarantee agency. This product is blended from selected base oils and high performance additives to permit excellent reduction capabilities, low oil.
In the cold rolling oils for steel sheets of the present invention, when 0. Therefore, during the cold rolling mill process, the friction coefficient of steel cold rolling mill equipment should be reduced to a minimum, thereby increasing the productivity of cold rolling mill. Increase of cold rolling performance by new lubricant and innovative work roll concepts lubwork. Analysis of cold rolling oils by nmr and ir techniques article pdf available in lubrication engineering 524 april 1996 with 57 reads how we measure reads. Our cold rolling oils and water miscible fluids allow the rod or wire to be mechanically worked into its final shape by passing through a. It is unrolled, sticky side down, onto concrete slabs or applied onto vertical concrete faces primed with bituthene primer wp3000, primer b2 or primer b2 lvc. Unfortunately, this will usually become visible only after subsequent. Cold rolling metal oil is based on highly refined paraffinic base oil and selected additives to enhance lubricity and load carrying ability benefits. Our experience with cold rolling oils dates back more than 60 years when we blended our first product for a sendzimir mill rolling stainless steel in pennsylvania. Our products today are sold world wide for all types of metals, including carbon and stainless steels, titanium, copper, brass, bronze, beryllium copper and aluminum alloys. Optimization of rolling mill oils evaluation using ftir. Oil filtration unit cold rolling mill process filtrasystems. Received 7 september 1972, and in revised form 4 may 1973 s,mmaryparticular attention has been paid to the effects of roll flattening and to the inlet zone of pressure buildup in the determination of. Investigated cold press oil extraction from nonedible.
You benefit from our 20high mills because they are packed with stateoftheart mechanics, hydraulics, electrics, and automation. After cooling, the sample surface is then dissolved, and the inclusions are filtered out of the solute. A study on the performance of rolling oil during cold rolling of stainless steel simulating industrial. Use the holding time in the salt bath as the immersion time. Multiroll cold mill stands are described using different terms depending on their type and manufacturer. Results and enefits ternium rolkleentm ep2104 tg increases quality and cost savings at ternium is a steel producer with operations in the americas. Waterproofing bituthene 3000 and bituthene low temperature.
Environmental protection agency research triangle park, north carolina 27711 september 2012. Cold rolled steels can be joined using accepted welding practices. A study on the performance of rolling oil during cold rolling of. Numerical and experimental analysis of lubrication in strip cold rolling.
A rolling mill is a complex machine having two or more working rollers, supporting rollers, roll stands, drive motor, reducing gear, flywheel, coupling gear etc. Surface finish cold rolled steels are manufactured with a matte finish obtained by rolling with specially roughened rolls on the cold mill and the temper mill. Process references are optimized to provide power, force and tension distributions between the stands to produce a quality product. At a steel rolling mill, scro is applied directly to the metal as it passes through the mills rollers, providing lubrication and protecting the metal. Rolling tension was constant because it could not be adjusted at each reduction. Tata steel offers a comprehensive range of coldrolled steel comprising both continuouslyannealed and batchannealed products. Cold rolling oils and water miscible fluids etna products. Increase of cold rolling performance by new lubricant and innovative. This product is blended from selected base oils and high performance additives to permit excellent reduction capabilities, low oil consumption, and excellent cooling ability. Based on theoretical minimum energy consumption shown in table e1. Waste water treatment scale and oilcontaining process water. Atkins department of mechanical engineering, university of michigan, ann arbor, u.
Hot rolling 110 2 220 264 2 4 98 196 50 100 55 62 cold rolling 173 243 346 486 4 8 98 196 4 8 98 188 stainless melting 208 416 260 520 note. Figure 8 roll temperatures in the depth direction for the cold rolling. Some process variables were studied like the rolling speed, the crosssection reduction, and lubricant viscosity. Pdf emulsions versus neat oils in the cold rolling of carbon. Storage of products outside after painting, pickling. Tss, oil and grease, ammonian, cyanide, phenolic compounds, dissolved iron, toxic organic pollutants, metals depending on operation rolling, casting, and inishing operations. A conventionally used cold rolling oil includes a substance such as a mineral oil, animal and. Wiping of oils and emulsion from steel strip in cold rolling mills introduction in the cold rolling process, the surface of the rolled strip is contaminated by cooling oil or emulsion and other pollutants that could considerably influence the final quality of the strip. Rollers may be plain or grooved depends upon the shape of rolled product. The rolling oil contained 15% ester and about 1% alcohol in a mineral oil of viscosity 4. These references include speeds, tensions, forces and thickness settings. Recovery of lubricating oil for cold strip rolling. Our advanced and ultra highstrength cold rolled steels dp600, dp800, dp and hq1500 are.
The variety of properties available in aluminum foils make them. The cold rolling oil filter also has a minimum of moving parts, as it does not clam shell open and close, which provides better overall plant hygiene, reduced maintenance costs. Therefore, during the cold rolling mill process, the friction coefficient of steel cold rolling mill equipment should be reduced to a. Cold mill setup csu cold mill setup calculates process regulator references and gains for rolling a specific product. Evaluation of lubricants for cold rolling aluminum strips springerlink. Its viscosity has a significant effect on the quantity of lubricant entering the roll bite and the control of the rolling operation. Cold crucible cc melting 17 inclusions are first concentrated at the surface of the melted sample as in eb melting.
Further, a concentration of the resulting cold rolling oils does not decrease even in case of. This means we can tailor our offer to meet your precise requirements for formability, strength, surface finish or flatness. Development and lubricating properties of rolling oil for stainless steel cold rolling article in china petroleum processing and petrochemical technology 2. Conclusions a hot rolling oil was successfully developed in authors laboratory which was successfully commercialized in. The specific oil consumption for this period was 77. Methods such as ultrafiltration may be used for oil emulsions. Tata steel offers a comprehensive range of cold rolled steel comprising both continuouslyannealed and batchannealed products. Pdf the efficiency of cold rolling of steel strip in the main depends on the quality of technological lubricant and its cost. Tensile strength and yield strength are maximized as a result of the oil tempered martensitic structure. Our cold rolling oils and water miscible fluids allow the rod or wire to be mechanically worked into its final shape by passing through a series of rolling mills at. Pdf the rheological behavior of oilinwater emulsions has been studied as a function of oil concentration, shear strain rate, pressure and. Pdf analysis of cold rolling oils by nmr and ir techniques. The use of cold rolling oils on rolling mills, the expectations and specifications set for this usage and the problems encountered, initiated research over a wide front in materials research and included a number of specialized areas. The unit operates at higher pressure, which enables it to produce thicker, drier solids discharge, as well as better filtration throughout the cold rolling mill process.
Other conclusions that can be drawn from the findings are as follows. Exposure of wastewater used for cooling or descaling related to rolling. Received 7 september 1972, and in revised form 4 may 1973 s,mmaryparticular attention has been paid to the effects of roll flattening and to the. The oil recovery is very important due to some reasons, such as the cost of production and environmental pollution. The present invention provides a metal rolling oil composition excellent in both an emulsion. In order to prevent whipping of the work rolls, they are supported by means of intermediate.
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