The casting of a 600 mm-wide 5182 aluminum alloy strip was attempted using a single-roll caster equipped with a scraper. This caster could cast a strip at speeds ranging from 10 to 40 m/min.
Abstract. A scraper was developed and attached to a single roll caster to improve the free solidified surface of the as-cast strip. AA5182 aluminum alloy of thickness approximately from 1.5mm to 4 mm was cast at speeds up to 60 m/min.
Author: Toshio Haga, Kazuya Akitsu, Keisuke Kamakura, Shinji Kumai, Hisaki WatariSingle roll caster to cast strip with sound free solidified surface was invented. A scraper was attached to the single roll caster to improve the free solidified surface. AA5182 and AA6022 strips were cast using the single roll caster equipped with the scraper. Mechanical properties of the strip were investigated by tension test, bending test and deep drawing.
Cited by: 5A scraper was developed and attached to a single roll caster to improve the free solidified surface of the as-cast strip. AA5182 aluminum alloy of thickness approximately from 1.5mm to 4 mm was cast at speeds up to 60 m/min. With the scraper, semisolid metal on the free solidified surface was flattened. The pressure of the unit width of the scraper ranged from 0.1 N/mm to 1.0 N/mm and was ...
Author: Toshio Haga, Kazuya Akitsu, Keisuke Kamakura, Shinji Kumai, Hisaki Watari2021-3-22€wo types of high-speed twin-roll casters and a single-roll caster equipped with a scraper were proposed. One of the twin-roll casters is a vertical-type high-speed twin-roll caster, and the other twin-roll caster is an unequal-diameter twin-roll caster. The vertical-type high-speed twin-roll caster can cast strip at speeds of up to 120 m/min.
Author: Toshio HagaThe melt pool was made on the roll by the side dam plates, back dam plate and the scriber. Therefore, a tip or a nozzle was not needed. The AA5182 and AA6022 aluminum alloy strip were cast by single roll caster with scriber. The as-cast strips could be cold rolling. The microstructure of as-cast strip was not uniform at thickness direction.
Author: Kazuya Akitsu, Toshio Haga, Shinji Kumai, Hisaki Watari2003-9-22€ vertical-type twin roll caster for strip casting of aluminum alloys was devised and its properties were investigated. The strip, which was thinner than 3 mm, could be cast at speeds higher than 60 m/min. Features of the twin roll casters are as below.Copper rolls were used and lubricant was not used in order to increase the casting speed.
Cited by: 71A vertical-type twin roll caster for strip casting of aluminum alloys was devised and its properties were investigated. The strip, which was thinner than 3 mm, could be cast at speeds higher than ...
112014-4-1€ top side-pouring twin-roll caster for metal strips was proposed and three metals with different freezing ranges were cast into strips of 100 mm-wide and 2 mm-thick at speeds ranged from 36 to 60 m/min. It was found that the TSTRC could produce strips of different metals, especially the alloys with long freezing ranges.
Cited by: 92007-8-1€l16%Si and Al20%Si hypereutectic aluminum alloy with wide freezing zone were cast into the strip from low temperature melt using an unequal diameter twin roll caster. The diameter of a lower roll was 1000 mm and an upper roll was 250 mm.
Cited by: 12The melt pool was made on the roll by the side dam plates, back dam plate and the scriber. Therefore, a tip or a nozzle was not needed. The AA5182 and AA6022 aluminum alloy strip were cast by single roll caster with scriber. The as-cast strips could be cold rolling. The microstructure of as-cast strip was not uniform at thickness direction.
2021-3-22€wo types of high-speed twin-roll casters and a single-roll caster equipped with a scraper were proposed. One of the twin-roll casters is a vertical-type high-speed twin-roll caster, and the other twin-roll caster is an unequal-diameter twin-roll caster. The vertical-type high-speed twin-roll caster can cast strip at speeds of up to 120 m/min.
[PDF]2018-11-29€K Aluminium Industry Fact Sheet 18 : Aluminium Rolling 2 Strip Casting These are special processes which eliminate the need for hot rolling and its associated high capital costs. Twin-roll casting (TRC) Molten metal is fed into a converging cavity set by two internally cooled, counter-rotating rolls. The process relies on the heat transfer ...
Aluminum Automatic Continuous Caster (CC) The function of the casting line is to convert the raw material charge into a coil of strip cast alloy suitable for cold rolling. The process of the continuous caster is as follows: The molten metal refined in the holding furnace will be further. refined through the degassing and filtration system.
2017-6-22€ single-roll caster equipped with two scrapers and an unequal-diameter twin-roll caster equipped with two scrapers are proposed for casting clad strip without centerline porosity or segregation. Although usually found in roll cast 5182 strip, no centerline porosity or segregation occurred in the 5182 strip, which was the overlay clad strip ...
[PDF]fication-deformation zone in the roll gap. Conventional twin-roll casters for aluminum alloy have steel rolls, which have a separating force of 2,5-5103 kN/mm. Lubricant is sprayed on the rolls to prevent the strip from sticking to the roll. The molten metal solidifies against the
[PDF]2017-6-14€wo types of Twin Roll Casters for Aluminium Alloy Clad Strip Toshio Haga Department of Mechanical Engineering, Osaka Institute of Technology, Japan ... D.C. casting, scalping, hot rolling and cold rolling are used to make single strips. Moreover, cleaning the strip, edge welding and hot rolling are used to bond single strips into the clad strip.
Production of aluminum alloy clad strips requires many processes, and a reduction in the number of processes has long been demanded. A method to cast clad strips directly from molten metal using a twin roll caster with copper rolls is proposed in this work. Two types of twin roll casters were designed and tested. One was a vertical-type tandem twin roll caster and the other was a twin roll ...
A 7.4 mm thick strip of 3003 aluminum alloy produced by the industrial twin-roll casting (TRC) process was homogenized at 500 C for 12 hours, after which it was cold rolled in two conditions: 1) to reduce the strips thickness by 67%, and 2) to reduce it by 91%. The alloy was annealed at 400 C for 1
AbstrAct Purpose: of this paper is to clear the possibility of high speed roll casting of aluminum alloy strip. In the body of the automobiles, a sheet of 6016 aluminum alloy is adopted for the outer panel. Therefore, casting of 6016 was tried in this study. Characteristics of roll cast 6016 were investigated. Design/methodology/approach: was a high speed twin roll caster.
A SRCES (Single-Roll Caster Equipped with a Scraper) was devised in order to improve the free-solidified surface. A scraper contacted to the free-solidified surface at the constant force. The some amount of semisolid metal on the solid layer was removed and the surface condition becomes flat. The melt pool was mounted on the top of the roll.
Aluminum Automatic Continuous Caster (CC) The function of the casting line is to convert the raw material charge into a coil of strip cast alloy suitable for cold rolling. The process of the continuous caster is as follows: The molten metal refined in the holding furnace will be further. refined through the degassing and filtration system.
[PDF]2018-11-29€K Aluminium Industry Fact Sheet 18 : Aluminium Rolling 2 Strip Casting These are special processes which eliminate the need for hot rolling and its associated high capital costs. Twin-roll casting (TRC) Molten metal is fed into a converging cavity set by two internally cooled, counter-rotating rolls. The process relies on the heat transfer ...
2018-12-29€ single-roll caster equipped with two scrapers and an unequal-diameter twin-roll caster equipped with two scrapers are proposed for casting clad strip without centerline porosity or segregation. Although usually found in roll cast 5182 strip, no centerline porosity or segregation occurred in the 5182 strip, which was the overlay clad strip ...
[PDF]2020-2-27€2. In single drum casters (Figure 3210.04.02), a supply of molten metal is delivered to the surface of a rotating drum that is internally water-cooled. The molten metal is dragged onto the surface of the drum to form a thin strip of metal, which cools on contact with the surface of the drum. 3.
2017-6-22€ single-roll caster equipped with two scrapers and an unequal-diameter twin-roll caster equipped with two scrapers are proposed for casting clad strip without centerline porosity or segregation. Although usually found in roll cast 5182 strip, no centerline porosity or segregation occurred in the 5182 strip, which was the overlay clad strip ...
Strip casting was commercialized in the early 1950s. Aluminum alloy sheets are mainly produced in a twin roll caster. In this process, the molten metal is introduced between a pair of counter rotating horizontal casting rolls wherein solidification is initiated when the molten metal contacts the rolls.
[PDF]2017-6-14€wo types of Twin Roll Casters for Aluminium Alloy Clad Strip Toshio Haga Department of Mechanical Engineering, Osaka Institute of Technology, Japan ... D.C. casting, scalping, hot rolling and cold rolling are used to make single strips. Moreover, cleaning the strip, edge welding and hot rolling are used to bond single strips into the clad strip.
caster wheel of aluminum rod mill . GM stone crusher machine is designed to achieve maximum productivity and high reduction ratio. From large primary jaw crusher and impact crusher to cone crusher and VSI series for secondary or tertiary stone crushing, GM can supply the right crusher as well as complete crushing plant to meet your material ...
SINGLE ROLL CASTER TO CAST ALUMINUM ALLOY STRIP Toshio Haga, Kazuya Akitsu, Keisuke Kamakura, Shinji Kumai, Hisaki Watari PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE ON ALUMINUM ALLOYS (ICAA13) 157 - 162 2012
Single roll caster to cast strip with sound free solidified surface was invented. A scraper was attached to the single roll caster to improve the free solidified surface. AA5182 and AA6022 strips were cast using the single roll caster equipped with the scraper. Mechanical properties of the strip were investigated by tension test, bending test and deep drawing.
A SRCES (Single-Roll Caster Equipped with a Scraper) was devised in order to improve the free-solidified surface. A scraper contacted to the free-solidified surface at the constant force. The some amount of semisolid metal on the solid layer was removed and the surface condition becomes flat. The melt pool was mounted on the top of the roll.
2018-12-29€ single-roll caster equipped with two scrapers and an unequal-diameter twin-roll caster equipped with two scrapers are proposed for casting clad strip without centerline porosity or segregation. Although usually found in roll cast 5182 strip, no centerline porosity or segregation occurred in the 5182 strip, which was the overlay clad strip ...
[PDF]2020-2-27€2. In single drum casters (Figure 3210.04.02), a supply of molten metal is delivered to the surface of a rotating drum that is internally water-cooled. The molten metal is dragged onto the surface of the drum to form a thin strip of metal, which cools on contact with the surface of the drum. 3.
2021-3-22€igh Speed Roll Caster for Aluminum Alloy ... twin-roll caster is superior to the vertical-type high-speed twin-roll caster at the point of conveyance of the cast strip. A single-roll caster equipped with a scraper can cast strip without center-line segregation at
[PDF]This result showed that the free solidified surface could be improved up to the roll contact surface by the scraper and cold rolling. Furthermore, in this study, the scraper was applied to a twin roll caster. The aluminum alloy clad strip was cast by twin roll caster
[PDF]A 7.4 mm thick strip of 3003 aluminum alloy produced by the industrial twin-roll casting (TRC) process was homogenized at 500 C for 12 hours, after which it was cold rolled in two conditions: 1) to reduce the strips thickness by 67%, and 2) to reduce it by 91%. The
[PDF]2016-12-19€isadvantages of the conventional twin-roll caster for aluminum alloy (CTRCA) are low casting speeds and limited choices of alloys that are castable by this processing. The vertical-type high-speed twin-roll caster (HST RC) used in the present study was
2021-11-20€oll casting of aluminum alloy strip by a single roll caster equipped with a scraper T.Haga.Akitsu.Kumai.Watari ( ) Advanced Materials Research 445 307 - 312 2012 ┒
Strips of magnesium alloy AZ31-B were cast on a simulator of a horizontal single belt caster incorporating a moving mold system. Mixtures of CO 2 and sulfur hexafluoride (SF 6 ) gases were used as protective atmosphere during melting and casting. The castability of the AZ31-B strips was investigated for a smooth, low carbon steel substrate, and six copper substrates with various textures and ...