WO2015015696A1 - Dispositif de coulée continue du type à levage et procédé de coulée continue du type à levage - Google Patents

Dispositif de coulée continue du type à levage et procédé de coulée continue du type à levage Download PDF

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Publication number
WO2015015696A1
WO2015015696A1 PCT/JP2014/003205 JP2014003205W WO2015015696A1 WO 2015015696 A1 WO2015015696 A1 WO 2015015696A1 JP 2014003205 W JP2014003205 W JP 2014003205W WO 2015015696 A1 WO2015015696 A1 WO 2015015696A1
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WO
WIPO (PCT)
Prior art keywords
molten metal
continuous casting
pulling
tip
type continuous
Prior art date
Application number
PCT/JP2014/003205
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English (en)
Japanese (ja)
Inventor
祐介 横田
雅文 西田
直晋 杉浦
悠人 田中
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to CN201480041425.5A priority Critical patent/CN105408038A/zh
Priority to US14/908,844 priority patent/US20160184885A1/en
Priority to EP14832248.0A priority patent/EP3028791A1/fr
Publication of WO2015015696A1 publication Critical patent/WO2015015696A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/08—Accessories for starting the casting procedure
    • B22D11/081—Starter bars
    • B22D11/083—Starter bar head; Means for connecting or detaching starter bars and ingots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/14—Plants for continuous casting
    • B22D11/145—Plants for continuous casting for upward casting

Definitions

  • the present invention relates to a pull-up type continuous casting apparatus and a pull-up type continuous casting method.
  • Patent Document 1 the inventors have proposed a free casting method as an innovative continuous casting method that does not require a mold.
  • the starter is immersed in the surface of the molten metal (molten metal) (that is, the molten metal surface) (that is, the molten metal surface)
  • the molten metal follows the starter by the surface film or surface tension of the molten metal.
  • a casting having a desired cross-sectional shape can be continuously cast by deriving and cooling the molten metal through a shape determining member installed in the vicinity of the molten metal surface.
  • the shape in the longitudinal direction is defined along with the cross-sectional shape by the mold.
  • the cast casting since the solidified metal (that is, the casting) needs to pass through the mold, the cast casting has a shape extending linearly in the longitudinal direction.
  • the shape defining member in the free casting method defines only the cross-sectional shape of the casting, and does not define the shape in the longitudinal direction.
  • regulation member can move to the direction (namely, horizontal direction) parallel to a molten metal surface, the casting in which the shape of a longitudinal direction is various is obtained.
  • Patent Document 1 discloses a hollow casting (that is, a pipe) that is formed in a zigzag shape or a spiral shape instead of being linear in the longitudinal direction.
  • the inventor has found the following problems.
  • the free casting method described in Patent Document 1 has a problem that the derivation of the molten metal by the starter is not sufficient.
  • the present invention has been made in view of the above, and includes a pulling-up-type continuous casting apparatus and a pull-up-type continuous casting method capable of improving the derivation of molten metal by a starter by devising the shape of the starter.
  • the purpose is to provide.
  • An up-drawing continuous casting apparatus includes a holding furnace for holding a molten metal, a lead-out member for leading the molten metal from a molten metal surface held in the holding furnace, and the lead-out member.
  • a shape defining member for defining a cross-sectional shape of a casting to be cast by applying an external force to the molten metal, and the lead-out member has a body portion and a horizontal sectional area smaller than that of the body portion. And a tip portion having a tip.
  • the tip has a tapered shape that becomes narrower toward the tip.
  • the angle of the tip is preferably 45 degrees or less.
  • the tip portion preferably has a plurality of the tips.
  • the lead-out member may further include at least one of a first protrusion protruding from a side surface of the tip portion or the body portion and a first recess recessed from a side surface of the tip portion or the body portion. preferable.
  • the protruding length of the first convex portion or the depth of the first concave portion is 1 mm or more.
  • the tip portion further includes at least one of an opening portion opened from the tip portion, a second convex portion projecting from the side surface of the opening portion, and a second concave portion recessed from the side surface of the opening portion. preferable.
  • the protruding length of the second convex portion or the recess depth of the second concave portion is 1 mm or more.
  • the pulling-up-type continuous casting apparatus includes a holding furnace that holds the molten metal, a lead-out member that leads the molten metal from the molten metal surface held in the holding furnace, and the lead-out member.
  • a shape-defining member that defines a cross-sectional shape of a casting to be cast by applying an external force to the molten metal
  • the lead-out member includes a body portion and a first protrusion protruding from a side surface of the body portion. And at least one of the first recess recessed from the side surface of the body portion.
  • the protruding length of the first convex portion or the depth of the first concave portion is 1 mm or more.
  • the lead-out member preferably includes a plurality of the first convex portions or a plurality of the first concave portions.
  • the body portion may further include at least one of an opening portion opened from a front end, a second convex portion projecting from a side surface of the opening portion, and a second concave portion recessed from a side surface of the opening portion. preferable.
  • the protruding length of the second convex portion or the recess depth of the second concave portion is 1 mm or more.
  • the pulling-up-type continuous casting method includes a step of immersing a lead-out member in a molten metal surface of a molten metal held in a holding furnace, and a cross-section of a casting in which the molten metal is led out and cast by the lead-out member And passing the shape defining member that defines the shape, and the lead-out member is configured by a body portion and a tip portion having a tip having a smaller sectional area in the horizontal direction than the body portion. .
  • the tip end portion has a tapered shape that narrows toward the tip end.
  • the angle of the tip is 45 degrees or less.
  • the lead-out member may further include at least one of a first convex portion protruding from a side surface of the tip portion or the body portion and a first concave portion recessed from a side surface of the tip portion or the body portion. preferable.
  • the protruding length of the first convex portion or the depth of the first concave portion is 1 mm or more.
  • At least one of an opening that opens from the tip, a second protrusion that protrudes from a side surface of the opening, and a second recess that is recessed from the side of the opening is further provided in the tip. preferable.
  • the protruding length of the second convex portion or the recess depth of the second concave portion is 1 mm or more.
  • An up-drawing continuous casting method includes a step of immersing a lead-out member in a molten metal surface of a molten metal held in a holding furnace, and a casting for casting the molten metal led out by the lead-out member. Passing a shape defining member that defines a cross-sectional shape, and the lead-out member includes a body portion, a first convex portion projecting from a side surface of the body portion, and a first recess recessed from a side surface of the body portion. It is comprised by at least any one among 1 recessed part.
  • the protruding length of the first convex portion or the depth of the first concave portion is 1 mm or more.
  • the body portion may further include at least one of an opening portion opened from the tip, a second convex portion projecting from the side surface of the opening portion, and a second concave portion recessed from the side surface of the opening portion. preferable.
  • the protruding length of the second convex portion or the recess depth of the second concave portion is 1 mm or more.
  • the lead-out property of the molten metal by the starter can be improved.
  • FIG. 2 is a plan view of a shape defining member 102 provided in the free casting apparatus shown in FIG. 1.
  • 3 is a perspective view showing a configuration example of a starter ST provided in the free casting apparatus according to Embodiment 1.
  • FIG. It is a figure which shows the molten metal derivation
  • FIG. It is a perspective view which shows the other structural example of starter ST.
  • FIG. 2 It is a perspective view which shows the structural example of starter ST provided in the free casting apparatus which concerns on Embodiment 2.
  • FIG. It is a figure which shows the molten metal derivation
  • FIG. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST. It is a perspective view which shows the other structural example of starter ST.
  • FIG. 1 is a cross-sectional view illustrating a configuration example of a free casting apparatus according to the first embodiment.
  • the free casting apparatus according to Embodiment 1 includes a molten metal holding furnace (holding furnace) 101, an external shape defining member 102a, a support rod 103, an actuator 104, a cooling nozzle 105, and a lead-out part 106. I have.
  • the molten metal holding furnace 101 accommodates a molten metal M1 such as aluminum or an alloy thereof and holds it at a predetermined temperature.
  • a molten metal M1 such as aluminum or an alloy thereof
  • the molten metal M1 may be a metal or alloy other than aluminum.
  • the surface of the molten metal M1 that is, the molten metal surface
  • the molten metal may be replenished to the molten metal holding furnace 101 at any time during casting to keep the molten metal surface constant.
  • the external shape defining member 102a is made of, for example, ceramics or stainless steel, and is disposed in the vicinity of the molten metal surface. In the example of FIG. 1, the external shape defining member 102 a is disposed so as to contact the molten metal surface. However, the external shape defining member 102a may be installed such that the main surface on the lower side (the hot water surface side) thereof does not contact the hot water surface. Specifically, a predetermined gap (for example, about 0.5 mm) may be provided between the lower main surface of the external shape defining member 102a and the molten metal surface.
  • the external shape defining member 102a defines the external shape of the casting M3 to be cast.
  • the casting M3 shown in FIG. 1 is a prismatic casting in which the shape of a horizontal section (hereinafter referred to as a transverse section) is quadrangular. That is, more specifically, the external shape defining member 102a defines the outer diameter of the cross section of the casting M3.
  • FIG. 2 is a plan view of the external shape defining member 102a.
  • the cross-sectional view of the external shape defining member 102a in FIG. 1 corresponds to the II cross-sectional view in FIG.
  • the external shape defining member 102a has, for example, a rectangular planar shape, and has a rectangular opening at the center. This opening becomes a molten metal passage portion 102b through which the molten metal passes.
  • the shape defining member 102 is configured by the external shape defining member 102a and the molten metal passage portion 102b.
  • the lead-out unit 106 includes a starter (lead-out member) ST that is immersed in the molten metal M1 and a puller PL that drives the starter ST in the vertical direction, for example.
  • the molten metal M1 is pulled up following the starter ST while maintaining its outer shape by its surface film and surface tension, and passes through the molten metal passage portion 102b.
  • the molten metal pulled up from the molten metal surface following the starter ST (or the casting M3 formed by solidification of the molten metal M1 derived by the starter ST) by the surface film or surface tension of the molten metal M1 is retained in the molten metal M2. Call it. Further, the interface between the casting M3 and the retained molten metal M2 is a solidification interface.
  • the starter ST is formed of, for example, a material having a high melting point equal to or higher than the melting point of the molten metal M1. Thereby, the melting damage of the starter ST can be suppressed to some extent.
  • the starter ST is the same aluminum as the molten metal M1.
  • the starter ST is not limited to aluminum, and may be formed of stainless steel, iron, an alloy thereof, ceramic, or the like.
  • FIG. 3 is a perspective view showing a configuration example of the starter ST according to the first embodiment.
  • the starter ST shown in FIG. 3 includes a body portion 107 and a tip portion 108.
  • the body portion 107 and the tip portion 108 are integrally formed.
  • the body portion 107 has a prismatic shape.
  • tip part 108 has the front-end
  • the tip 109 of the tip 108 has a smaller horizontal cross-sectional area (cross-sectional area) than the body 107.
  • cross-sectional area cross-sectional area
  • the distal end portion 108 has a tapered shape (pointed shape) that narrows toward the distal end 109.
  • the support rod 103 supports the external shape defining member 102a.
  • the support rod 103 is connected to the actuator 104.
  • the actuator 104 has a function of moving the external shape defining member 102 a in the vertical direction (vertical direction) and the horizontal direction via the support rod 103. Thereby, the external shape defining member 102a can be moved downward as the molten metal surface is lowered due to the progress of casting. Further, since the external shape defining member 102a can be moved in the horizontal direction, the shape of the casting M3 in the longitudinal direction can be freely changed.
  • the cooling nozzle (cooling unit) 105 is for spraying a cooling gas (air, nitrogen, argon, etc.) on the starter ST or the casting M3 to cool it. While the casting M3 is pulled up by the puller PL connected to the starter ST and the starter ST and the casting M3 are cooled by the cooling gas, the retained molten metal M2 in the vicinity of the solidification interface is sequentially solidified to continuously form the casting M3. It will be done.
  • a cooling gas air, nitrogen, argon, etc.
  • FIG. 4 is a diagram showing a molten metal derivation method for the free casting apparatus according to the first embodiment.
  • the molten metal M1 is set in the molten metal holding furnace 101 (S101 in FIG. 4).
  • the pointed starter ST is lowered, and the tip end portion 108 of the starter ST is brought into contact with the molten metal surface of the molten metal M1 through the molten metal passage portion 102b (S102 in FIG. 4). Thereafter, the starter ST is further lowered, and the starter ST is immersed in the molten metal M1 by breaking through the oxide film formed on the molten metal surface of the molten metal M1 at the tip end portion 108 (S103 in FIG. 4).
  • the starter ST is started to be pulled up at a predetermined speed (S104 in FIG. 4).
  • the molten metal M1 is pulled up (derived) from the molten metal surface by the surface film or surface tension to form the retained molten metal M2.
  • the retained molten metal M2 is formed in the molten metal passage portion 102b. In other words, a shape is imparted to the retained molten metal M2 by the external shape defining member 102a.
  • the starter ST and the casting M3 are cooled by the cooling gas blown out from the cooling nozzle 105. Thereby, the retained molten metal M2 is solidified in order from the upper side to the lower side, and the casting M3 grows. In this way, the casting M3 can be continuously cast.
  • the starter ST includes a tip portion having a tip having a smaller cross-sectional area in the horizontal direction than the body portion (pointed).
  • the free casting apparatus according to the present embodiment can easily immerse the starter ST in the molten metal M1 by breaking through the oxide film formed on the molten metal surface of the molten metal M1. Derivability can be improved.
  • the starter ST is immersed in the molten metal M1
  • the oxide film on the molten metal surface adheres to the wall surface at the tip of the starter ST, and when the starter is pulled up with the oxide film adhered, It tends to get worse.
  • the starter ST When the starter ST is immersed, when the starter ST breaks through the oxide film and the starter ST tip enters the non-oxidized melt, the oxide film hardly adheres to the wall surface of the starter ST tip, and the non-oxidized melt adheres to the tip. If a non-oxidized molten metal adheres to the tip of the starter ST, the molten metal tends to be derived relatively stably during subsequent pulling, and it is unlikely that the molten metal breaks out partway along the way.
  • FIGS. 5 and 6 are perspective views showing other configuration examples of the starter ST.
  • the tip end portion 108 has a prismatic shape with a smaller cross-sectional area (cross-sectional area) in the horizontal direction than the body portion 107.
  • the distal end portion 108 has a plurality of distal ends 109.
  • FIG. 7 is a cross-sectional view illustrating a configuration example of the free casting apparatus according to the second embodiment.
  • the free casting apparatus shown in FIG. 7 differs from the free casting apparatus shown in FIG. 1 in the shape of the starter ST.
  • the other configuration of the free casting apparatus shown in FIG. 7 is the same as that of the free casting apparatus shown in FIG.
  • FIG. 8 is a perspective view showing a configuration example of the starter ST according to the second embodiment.
  • the starter ST shown in FIG. 8 includes a body portion (in this example, a prismatic body portion) 107 and a convex portion (first convex portion) 110.
  • drum 107 and the convex part 110 are integrally formed.
  • the convex portion 110 is provided so as to protrude from the side surface of the body portion 107.
  • the starter ST is pulled up, the molten metal M1 is lifted by the convex portion 110. More specifically, when the starter ST is pulled up, the surface solidified layer formed in the vicinity of the molten metal surface of the molten metal M1 is lifted by the convex portion 110.
  • the coupling force between the starter ST and the molten metal M1 is improved.
  • FIG. 9 is a diagram illustrating a molten metal derivation method for the free casting apparatus according to the second embodiment.
  • the molten metal M1 is set in the molten metal holding furnace 101 (S201 in FIG. 9).
  • the starter ST having the convex portion 110 is lowered, and the starter ST is brought into contact with the molten metal surface of the molten metal M1 through the molten metal passage portion 102b (S202 in FIG. 9). Thereafter, the starter ST is further lowered, and the starter ST is immersed in the molten metal M1 (S203 in FIG. 9).
  • the starter ST is started to be pulled up at a predetermined speed (S204 in FIG. 9).
  • the molten metal M1 is pulled up (derived) from the molten metal surface by the surface film or surface tension to form the retained molten metal M2.
  • the surface solidified layer formed in the vicinity of the molten metal surface of the molten metal M1 is lifted by the convex portion 110 of the starter ST, the molten metal M1 is led without being broken by the gravity of the surface solidified layer to form the retained molten metal M2.
  • the retained molten metal M2 is formed in the molten metal passage portion 102b. In other words, a shape is imparted to the retained molten metal M2 by the external shape defining member 102a.
  • the starter ST and the casting M3 are cooled by the cooling gas blown out from the cooling nozzle 105. Thereby, the retained molten metal M2 is solidified in order from the upper side to the lower side, and the casting M3 grows. In this way, the casting M3 can be continuously cast.
  • the starter ST is provided with a convex portion protruding from the side surface of the body portion 107.
  • FIGS. 10 to 16 are perspective views showing other configuration examples of the starter ST.
  • the starter ST shown in FIG. 10 is provided with a plurality of convex portions 110 protruding from the side surface of the body portion 107.
  • the starter ST shown in FIG. 11 includes a convex portion 110 that protrudes from the side surface of the body portion 107 in the pulling direction.
  • the starter ST shown in FIG. 12 includes a concave portion (first concave portion) 111 that is recessed from the side surface of the body portion 107 in place of the convex portion 110.
  • the starter ST shown in FIG. 13 includes a plurality of recesses 111 that are recessed from the side surface of the body portion 107.
  • the starter ST shown in FIG. 14 further includes an opening 112 that opens from the center of the front end of the body portion 107, and a protrusion (second protrusion) 113 that protrudes from the side surface of the opening 112.
  • a concave portion (second concave portion) recessed from the side surface of the opening 112 may be provided.
  • the shape of the starter ST described in the first embodiment and the shape of the starter ST described in the second embodiment may be combined.
  • the convex portion 110 may protrude not only from the side surface of the body portion 107 but also from the side surface of the tip portion 108
  • the concave portion 111 is not only from the side surface of the body portion 107 but from the side surface of the tip portion 108. It may be depressed.
  • the opening 112 opens from the tip of the tip portion 108.
  • the starter ST can be easily immersed in the molten metal M1 by breaking through the oxide film formed on the molten metal surface of the molten metal M1, and the binding force between the starter ST and the molten metal M1 can be improved.
  • a starter ST shown in FIG. 15 further includes a convex portion 110 protruding from the side surface of the body portion 107 in addition to the shape of the starter ST shown in FIG.
  • the starter ST shown in FIG. 15 has an arrow shape when viewed from the front.
  • the starter ST shown in FIG. 16 has a shape similar to that of the starter ST shown in FIG. 15. However, when viewed from the front, a part of the side surface in the longitudinal direction of the rectangular plate material is cut out, and It can be easily formed by cutting off the corners.
  • the starter ST is made of an aluminum alloy (A5052), and is kept at room temperature before being immersed in the molten metal M1.
  • the molten metal M1 is also an aluminum alloy (A5052), and is kept at 720 ° C.
  • the pulling speed of the starter ST is 1 mm / sec.
  • FIG. 17 is a diagram showing an experimental result of the derivation success rate according to the tip angle of the starter ST.
  • the derivation success rate here is a rate at which the starter ST can be immersed in the molten metal M1 by breaking through the oxide film formed on the molten metal surface of the molten metal M1. is there.
  • the smaller the tip angle A the higher the derivation success rate.
  • the derivation success rate increases to nearly 100%.
  • FIG. 18 is a photograph showing the experimental result of the derivation success rate according to the tip angle A of the starter ST.
  • the photograph on the left shows an example in which the leading end angle A is large and the derivation of the molten metal M1 is not successful.
  • the photograph on the right shows an example where the tip angle A is small and the molten metal M1 has been successfully derived.
  • the oxide film formed on the molten metal surface of the molten metal M1 could be broken through, the oxide film does not affect the shape of the molded product.
  • FIG. 19 is a diagram showing an experimental result of the derivation success rate according to the protrusion length L of the convex portion 110 of the starter ST.
  • the derivation success rate here is a rate at which the molten metal M1 can be derived with high accuracy by raising the surface solidified layer formed near the molten metal surface of the molten metal M1 by the convex portion 110 when the starter ST is pulled up (experiment). The ratio of success to the total number).
  • FIG. 20 is a photograph showing an experimental result of the derivation success rate according to the protrusion length L of the convex portion 110 of the starter ST.
  • the photograph on the left shows an example in which the protrusion length L is short and the derivation of the molten metal M1 was not successful.
  • the convex part 110 cannot support the gravity of the surface solidified layer, and the derived molten metal M1 is almost broken by the gravity of the surface solidified layer.
  • the photograph on the right shows an example in which the protrusion length L is long and the molten metal M1 has been successfully derived.
  • the convex part 110 can support the gravity of the surface solidified layer, and the molten metal M1 is led without being broken by the gravity of the surface solidified layer.
  • the starter ST includes the distal end portion 108 having the distal end 109 having a smaller cross-sectional area in the horizontal direction than the body portion 107, or the body portion 107.
  • a convex portion 111 protruding from the side surface is provided.
  • the case of casting a prismatic casting has been described as an example, but the present invention is not limited to this.
  • the present invention can also be applied to casting of other shapes such as a rectangular tube shape, a columnar shape, and a cylindrical shape.
  • FIG. 21 and FIG. 22 the case of casting a rectangular tube-shaped casting will be briefly described.
  • FIG. 21 is a cross-sectional view showing another configuration example of the free casting apparatus according to the present invention.
  • the free casting apparatus shown in FIG. 21 further includes an internal shape defining member 102c in addition to the external shape defining member 102a.
  • the internal shape defining member 102c defines the internal shape of the casting M3 to be cast
  • the external shape defining member 102a defines the external shape of the cast M3 to be cast.
  • the casting M3 shown in FIG. 21 is a hollow casting (that is, a pipe) having a horizontal cross section (hereinafter referred to as a cross section) having a tubular shape. More specifically, the inner shape defining member 102c defines the inner diameter of the cross section of the casting M3, and the outer shape defining member 102a defines the outer diameter of the cross section of the casting M3.
  • FIG. 22 is a plan view of the internal shape defining member 102c and the external shape defining member 102a.
  • the sectional views of the inner shape defining member 102c and the outer shape defining member 102a in FIG. 21 correspond to the II-II sectional view in FIG.
  • the external shape defining member 102a has, for example, a rectangular planar shape, and has a rectangular opening at the center.
  • the internal shape defining member 102c has a rectangular planar shape, and is disposed at the center of the opening of the external shape defining member 102a.
  • a gap between the inner shape defining member 102c and the outer shape defining member 102a becomes a molten metal passage portion 102b through which the molten metal passes.
  • the shape defining member 102 is configured by the internal shape defining member 102c, the external shape defining member 102a, and the molten metal passage portion 102b. With such a configuration, a rectangular tube-shaped casting is cast.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

L'invention concerne un dispositif de coulée continue du type à levage, qui comporte ce qui suit : un four de maintien de métal fondu (101) pour maintenir un métal fondu (M1), un organe d'amorçage (ST) pour amener le métal fondu (M1) hors d'une surface du métal fondu (M1) maintenu dans le four de maintien de métal fondu (101) ; et un élément de régulation de forme (102) pour réguler la forme en section transversale d'une pièce coulée (M3) qui est coulée par application d'une force externe au métal fondu maintenu (M2) qui a été extrait par l'organe d'amorçage (ST). L'organe d'amorçage (ST) est pourvu d'un fût (107) et une section d'extrémité avant (108) ayant une extrémité avant (109) qui a une aire de section transversale dans la direction horizontale plus petite que celle du fût (107).
PCT/JP2014/003205 2013-07-30 2014-06-16 Dispositif de coulée continue du type à levage et procédé de coulée continue du type à levage WO2015015696A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201480041425.5A CN105408038A (zh) 2013-07-30 2014-06-16 上引式连续铸造装置以及上引式连续铸造方法
US14/908,844 US20160184885A1 (en) 2013-07-30 2014-06-16 Pulling-up-type continuous casting apparatus and pulling-up-type continuous casting method
EP14832248.0A EP3028791A1 (fr) 2013-07-30 2014-06-16 Dispositif de coulée continue du type à levage et procédé de coulée continue du type à levage

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JP2013-158205 2013-07-30
JP2013158205A JP5999044B2 (ja) 2013-07-30 2013-07-30 引上式連続鋳造装置及び引上式連続鋳造方法

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WO2015015696A1 true WO2015015696A1 (fr) 2015-02-05

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US (1) US20160184885A1 (fr)
EP (1) EP3028791A1 (fr)
JP (1) JP5999044B2 (fr)
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WO (1) WO2015015696A1 (fr)

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CN108064194B (zh) * 2016-09-08 2020-11-03 江西理工大学 一种药芯焊条成型模块、制备装置及其制备方法
CN107186188B (zh) * 2017-03-06 2020-05-26 灏明有限公司 冷拉加工设备及其加工方法

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