JP2006150446A5 - - Google Patents
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- JP2006150446A5 JP2006150446A5 JP2005306753A JP2005306753A JP2006150446A5 JP 2006150446 A5 JP2006150446 A5 JP 2006150446A5 JP 2005306753 A JP2005306753 A JP 2005306753A JP 2005306753 A JP2005306753 A JP 2005306753A JP 2006150446 A5 JP2006150446 A5 JP 2006150446A5
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- 239000000314 lubricant Substances 0.000 claims description 45
- 238000005266 casting Methods 0.000 claims description 24
- 238000009749 continuous casting Methods 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 22
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 16
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 230000002093 peripheral Effects 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 239000011777 magnesium Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000903 blocking Effects 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Description
上記目的を達成するために、本発明は、溶湯受部内の合金溶湯を鋳型の一端から鋳型内に供給してアルミニウム合金鋳造棒を製造する連続鋳造装置において、上記溶湯受部と鋳型の一端との間に配置され、溶湯受部と鋳型とを連通する注湯用通路を有する断熱部材と、上記断熱部材に設けられ、注湯用通路と一体の通孔を有する仕切り層と、を備える、ことを特徴としている。 To achieve the above Symbol object, the present invention provides a continuous casting apparatus for molten alloy in the molten metal receiving portion is supplied to the mold from one end of the mold for manufacturing an aluminum alloy cast bar, the molten metal receiving portion and the mold end And a heat insulating member having a pouring passage that communicates between the molten metal receiving part and the mold, and a partition layer provided in the heat insulating member and having a through hole integral with the pouring passage. It is characterized by that.
なお、本発明では、上記鋳型の一端と仕切り層との間に断熱部材を介在させている。In the present invention, a heat insulating member is interposed between one end of the mold and the partition layer.
また、上記鋳型は水平状に配置されている、ことを特徴としている。 Further, the mold is arranged in a horizontal shape .
さらに、上記仕切り層は、通孔側周部が鋳型側に曲折して鋳型の一端に臨んでいる、ことを特徴としている。 Further , the partition layer is characterized in that the through hole side peripheral portion is bent toward the mold side and faces one end of the mold.
また、上記鋳型の一端と仕切り層との間に介在する断熱部材のうち、鋳型の中空部に臨む断熱部材の面積を、鋳型の中空部の縦断面積に対して面積比で４０〜８５％とする、ことを特徴としている。 Also, among the heat-insulating member interposed between the one end and the partition layer above the mold, the area of the heat insulating member facing the hollow portion of the mold, and 40% to 85% by area relative to the longitudinal area of the hollow portion of the mold It is characterized by that.
また、上記仕切り層は、潤滑材および気化した潤滑材を通さない材料で構成される、ことを特徴としている。 In addition , the partition layer is formed of a lubricant and a material that does not allow vaporized lubricant to pass through.
また、水平状に配置された上記鋳型の一端寄りの鋳型内周壁に設けられている潤滑材供給口が鋳型の他端寄りまで拡張されている、ことを特徴としている。 Further, the lubricant supply port provided in the inner peripheral wall of the mold near one end of the mold arranged horizontally is extended to the other end of the mold.
また、水平状に配置された上記鋳型の一端寄りの鋳型内周壁に設けられている潤滑材供給口が分岐して鋳型の他端寄りにも設けられている、ことを特徴としている。 Further, the lubricant supply port provided in the inner peripheral wall of the mold near one end of the mold arranged horizontally is branched and provided near the other end of the mold.
さらにまた、上記注湯用通路と、水平状に配置された上記鋳型との位置関係は、注湯用通路内径下部位置が、鋳型内径下部位置に対して鋳型内径の８％以上上方となっている、ことを特徴としている。 Furthermore , the pouring passage and the mold arranged horizontally are in a positional relationship such that the pouring passage inner diameter lower position is 8% or more above the mold inner diameter lower position than the mold inner diameter lower position. It is characterized by that.
また、上記アルミニウム合金の合金溶湯は、マグネシウムの含有量が０．５質量％以上である、ことを特徴としている。 The molten alloy of the aluminum alloy is characterized in that the magnesium content is 0.5% by mass or more.
また、上記アルミニウム合金の合金溶湯の成分を、Ｓｉ（含有率０．０５〜１．３質量％）、Ｆｅ（含有率０．１〜０．７質量％）、Ｃｕ（含有率０．１〜２．５質量％）、Ｍｎ（含有率０．０５〜１．１質量％）、Ｍｇ（含有率０．５〜３．５質量％）、Ｃｒ（含有率０．０４〜０．４質量％）、およびＺｎ（含有率０．０５〜８質量％以下）を含むものとする、ことを特徴としている。 Moreover , the component of the molten alloy of the aluminum alloy is Si (content 0.05 to 1.3% by mass), Fe (content 0.1 to 0.7% by mass), Cu (content 0.1 to 0.1%). 2.5% by mass), Mn (content 0.05-1.1% by mass), Mg (content 0.5-3.5% by mass), Cr (content 0.04-0.4% by mass) ) And Zn (content 0.05 to 8% by mass or less).
さらに、本発明は、溶湯受部内の合金溶湯を鋳型の一端から鋳型内に供給してアルミニウム合金鋳造棒を製造する連続鋳造方法において、上記溶湯受部と鋳型の一端との間に配置され、溶湯受部と鋳型とを連通する注湯用通路を有する断熱部材に、その注湯用通路と一体の通孔を有する仕切り層を設け、鋳造時に鋳型に供給されて断熱部材に滲みだした潤滑材を仕切り層で遮りつつ連続鋳造を行う、ことを特徴としている。 Furthermore, the present invention is a continuous casting method for producing an aluminum alloy casting rod by supplying molten alloy in the molten metal receiving part from one end of the mold into the mold, and is disposed between the molten metal receiving part and one end of the mold, Lubricant that is provided with a partition layer having a through hole integral with the pouring passage in the heat insulating member having a pouring passage that communicates the molten metal receiving part and the mold, and is supplied to the mold during casting and begins to ooze into the heat insulating member It is characterized by performing continuous casting while blocking the material with a partition layer.
また、本発明に係る連続鋳造方法では、上記鋳型は水平状に配置されている、ことを特徴としている。 The continuous casting method according to the present invention is characterized in that the mold is arranged horizontally.
また、水平状に配置されている上記鋳型の一端寄りの鋳型内周壁に設けられている潤滑材供給口が鋳型の他端寄りまで拡張されている、ことを特徴としている。 Further, the lubricant supply port provided on the inner peripheral wall of the mold near one end of the mold arranged horizontally is extended to the other end of the mold.
また、水平状に配置されている上記鋳型の一端寄りの鋳型内周壁に設けられている潤滑材供給口が分岐して鋳型の他端寄りにも設けられている、ことを特徴としている。 Further, the lubricant supply port provided on the inner peripheral wall of the mold near one end of the mold arranged horizontally is branched and provided near the other end of the mold.
また、上記注湯用通路と、水平状に配置されている上記鋳型との位置関係は、注湯用通路内径下部位置が、鋳型内径下部位置に対して鋳型内径の８％以上上方となっている、ことを特徴としている。 Further , the positional relationship between the pouring passage and the mold arranged horizontally is such that the lower portion of the pouring passage inner diameter is 8% or more above the inner diameter of the casting mold with respect to the lower portion of the inner diameter of the casting mold. It is characterized by that.
このほか、本発明は、アルミニウム合金鋳造棒であって、上記した連続鋳造方法の何れかを用いて製造した、ことを特徴としている。 In addition, the present invention is an aluminum alloy cast rod, which is manufactured using any one of the continuous casting methods described above.
本発明では、断熱部材に仕切り層を設け、鋳型に供給されて断熱部材へ滲みだした潤滑材を仕切り層で遮るので、潤滑材が合金溶湯と反応したり、溶湯受部側に回り込むのを仕切り層で防止することができ、潤滑材の無駄な消費を抑制して潤滑材を低減することができる。したがって、高速鋳造を潤滑材を低減しても安定して円滑に行うことができる。また、断熱部材の周壁やその近傍で発生していた潤滑材反応生成物も発生せず、鋳塊不良を大幅に減らすことができる。 In the present invention , a partition layer is provided on the heat insulating member, and the lubricant that is supplied to the mold and oozes out to the heat insulating member is blocked by the partition layer. This can be prevented by the partition layer, and wasteful consumption of the lubricant can be suppressed and the lubricant can be reduced. Therefore, high-speed casting can be performed stably and smoothly even if the lubricant is reduced. Moreover, the lubricant reaction product generated on the peripheral wall of the heat insulating member and the vicinity thereof is not generated, and the ingot defects can be greatly reduced.
また、鋳型の一端と仕切り層との間に断熱部材を介在させるようにしたので、熱を伝えやすい仕切り層を設けた場合でも、熱を保持したままで合金溶湯を鋳型に供給することができる。したがって、鋳型内での合金溶湯の凝固位置は適正に維持され、安定した鋳造を行うことができる。 In addition , since a heat insulating member is interposed between one end of the mold and the partition layer, even when a partition layer that easily transfers heat is provided, the molten alloy can be supplied to the mold while maintaining heat. . Therefore, the solidification position of the molten alloy in the mold is properly maintained, and stable casting can be performed.
また、仕切り層の通孔側周部が鋳型側に曲折して鋳型の一端に臨むように構成したので、鋳型の一端と仕切り層との間の断熱部材は、注湯用通路の部分でも合金溶湯と接触しない。したがって、潤滑材の断熱部材を介しての合金溶湯との反応や溶湯受部側への回り込みを、より一層確実に防止することができる。 Moreover , since the through hole side peripheral portion of the partition layer is bent toward the mold side so as to face one end of the mold, the heat insulating member between the one end of the mold and the partition layer is made of an alloy even in the portion of the pouring passage. Do not contact with molten metal. Therefore, the reaction of the lubricant with the molten alloy through the heat insulating member and the wraparound to the molten metal receiving part side can be more reliably prevented.
また、鋳型の一端と仕切り層との間に介在する断熱部材のうち、鋳型の中空部に臨む断熱部材の面積を、鋳型の中空部の縦断面積に対して面積比で４０〜８５％としたので、断熱に必要な面積を有する断熱部材が鋳型の中空部に確実に臨むこととなる。このため、合金溶湯が鋳型に供給されても、合金溶湯の熱が鋳型の一端側から逃げて放出され冷えるのを抑制することができる。したがって、鋳型内での合金溶湯の凝固位置は適正に維持され、安定した鋳造を行うことができる。 Moreover , the area of the heat insulation member which faces the hollow part of a casting_mold | template among the heat insulation members interposed between the end of a casting_mold | template and a partition layer was 40 to 85% by area ratio with respect to the longitudinal cross-sectional area of the hollow part of a casting_mold | template. Therefore, the heat insulation member having an area necessary for heat insulation will surely face the hollow portion of the mold. For this reason, even if the molten alloy is supplied to the mold, it is possible to prevent the heat of the molten alloy from being released from one end side of the mold and released and cooled. Therefore, the solidification position of the molten alloy in the mold is properly maintained, and stable casting can be performed.
また、鋳型の一端寄りの鋳型内周壁に設けられている潤滑材供給口を鋳型の他端寄りまで拡張したので、鋳型の他端寄りからも潤滑材を供給することができる。高速鋳造の場合、鋳塊の凝固位置が鋳型の他端側に移動する傾向があり、その他端側まで潤滑材を供給するために従来は鋳型の一端寄りで必要以上に多量の潤滑材を供給していたが、潤滑材供給口の拡張により、他端寄りの位置で的確に潤滑材を供給することができる。すなわち、潤滑材が必要な箇所に適量供給されるので、不必要な潤滑材を供給することがなくなり、高速鋳造を、潤滑材を低減しても安定して円滑に行うことができる。 Further , since the lubricant supply port provided on the inner peripheral wall of the mold near one end of the mold is extended to the other end of the mold, the lubricant can be supplied also from the other end of the mold. In the case of high-speed casting, the ingot solidification position tends to move to the other end of the mold, and in order to supply lubricant to the other end, conventionally, a larger amount of lubricant is supplied near one end of the mold. However, by extending the lubricant supply port, the lubricant can be supplied accurately at a position near the other end. That is, since an appropriate amount of the lubricant is supplied to the necessary portions, unnecessary lubricant is not supplied, and high-speed casting can be performed stably and smoothly even if the lubricant is reduced.
また、鋳型の一端寄りの鋳型内周壁に設けられている潤滑材供給口を分岐して鋳型の他端寄りにも設けたので、鋳型の他端寄りからも潤滑材を供給することができる。高速鋳造等の場合、鋳塊の凝固位置が鋳型の他端側に移動する傾向があり、その他端側まで潤滑材を供給するために従来は鋳型の一端寄りで必要以上に多量の潤滑材を供給していたが、潤滑材供給口の分岐により、他端寄りの位置で的確に潤滑材を供給することができる。すなわち、潤滑材が必要な箇所に適量供給されるので、不必要な潤滑材を供給することがなくなり、高速鋳造を、潤滑材を低減しても安定して円滑に行うことができる。 Further , since the lubricant supply port provided in the inner peripheral wall of the mold near one end of the mold is branched and provided also near the other end of the mold, the lubricant can be supplied also from the other end of the mold. In the case of high speed casting, etc., the ingot solidification position tends to move to the other end of the mold, and in order to supply the lubricant to the other end, conventionally, a larger amount of lubricant is required near one end of the mold. Although it was supplied, the lubricant can be supplied accurately at a position near the other end by the branch of the lubricant supply port. That is, since an appropriate amount of the lubricant is supplied to the necessary portions, unnecessary lubricant is not supplied, and high-speed casting can be performed stably and smoothly even if the lubricant is reduced.
さらに、断熱部材に形成された注湯用通路と、鋳型との位置関係を、注湯用通路内径下部位置が、鋳型内径下部位置に対して鋳型内径の８％以上上方となるようにしたので、従来鋳塊の温度バランスを均一化するために鋳型内径下部に注湯用通路が位置するようにしていた場合に比べて、鋳型の一端側下部に供給される合金溶湯の温度が低くなって鋳塊下部での凝固殻形成が速やかに行われるようになり、潤滑材の供給量を低減しても安定した鋳造を行うことができる。したがって、高速鋳造を、潤滑材を低減しても安定して円滑に行うことができる。また、鋳型の一端側下部に供給される合金溶湯の温度が低くなるので、潤滑材のガス化を抑えることができ、ガス化した潤滑材の鋳塊への巻き込みによる鋳塊不良の発生を防止することができる。 Furthermore , the positional relationship between the pouring passage formed in the heat insulating member and the mold is such that the lower position of the pouring passage inner diameter is 8% or more of the inner diameter of the casting mold relative to the lower position of the inner diameter of the casting mold. Compared to the conventional case where the pouring passage is located in the lower part of the inner diameter of the mold in order to make the temperature balance of the ingot uniform, the temperature of the molten alloy supplied to the lower part on the one end side of the mold becomes lower. Solidified shell formation at the lower part of the ingot is rapidly performed, and stable casting can be performed even if the supply amount of the lubricant is reduced. Therefore, high-speed casting can be performed stably and smoothly even if the lubricant is reduced. In addition, since the temperature of the molten alloy supplied to the lower part at one end of the mold is lowered, the gasification of the lubricant can be suppressed and the occurrence of ingot defects due to the gasified lubricant being caught in the ingot is prevented. can do.
そして、マグネシウムの含有量が０．５質量％以上のアルミニウム合金の鋳造に、上記した本発明を適用したので、従来潤滑材を増量しないと安定した鋳造が困難であったマグネシウム含有アルミニウム合金の鋳造であっても、潤滑材の低減、潤滑材反応生成物発生の抑制、安定した円滑な鋳造、鋳塊不良発生の防止等の、高速鋳造の場合に発揮するのと同様の効果を発揮することができる。 And since the above-mentioned present invention was applied to the casting of an aluminum alloy having a magnesium content of 0.5% by mass or more, the casting of the magnesium-containing aluminum alloy, which was difficult to stably cast without increasing the amount of the conventional lubricant. Even so, the same effects as in high-speed casting, such as reduction of lubricant, suppression of generation of lubricant reaction products, stable smooth casting, and prevention of ingot defects, should be exhibited. Can do.
Claims (16)
上記溶湯受部と鋳型の一端との間に配置され、溶湯受部と鋳型とを連通する注湯用通路を有する断熱部材と、
上記断熱部材に設けられ、注湯用通路と一体の通孔を有する仕切り層と、を備え、
上記鋳型の一端と仕切り層との間に断熱部材を介在させる、
ことを特徴とする連続鋳造装置。 In a continuous casting apparatus that manufactures an aluminum alloy casting rod by supplying molten alloy in the molten metal receiving part from one end of the mold into the mold,
A heat insulating member disposed between the molten metal receiving part and one end of the mold, and having a pouring passage for communicating the molten metal receiving part and the mold;
The provided thermal insulating members, Bei give a, a partition layer having a pouring passage integral with through holes,
Interposing a heat insulating member between one end of the mold and the partition layer;
A continuous casting apparatus characterized by that.
上記溶湯受部と鋳型の一端との間に配置され、溶湯受部と鋳型とを連通する注湯用通路を有する断熱部材に、その注湯用通路と一体の通孔を有する仕切り層を設け、鋳造時に鋳型に供給されて断熱部材に滲みだした潤滑材を仕切り層で遮りつつ連続鋳造を行う、A partition layer having a through hole integral with the pouring passage is provided on a heat insulating member having a pouring passage disposed between the molten metal receiving portion and one end of the mold and communicating the molten metal receiving portion and the mold. , Continuous casting while blocking the lubricant supplied to the mold during casting and oozing into the heat insulating member with the partition layer,
ことを特徴とする連続鋳造方法。A continuous casting method characterized by that.
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| JP2005306753A JP4757602B2 (en) | 2004-10-25 | 2005-10-21 | Continuous casting apparatus, continuous casting method, and aluminum alloy casting rod |
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| CN102672122A (en) * | 2012-05-25 | 2012-09-19 | 王建军 | Broad-width horizontal multiple continuous casting device |
| CN103060572B (en) * | 2013-01-28 | 2014-04-23 | 梧州漓佳铜棒有限公司 | Method for producing copper bar alloy material by horizontal continuous casting production of scrap copper |
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| JPH11170014A (en) * | 1997-12-03 | 1999-06-29 | Kobe Steel Ltd | Horizontal continuous casting machine |
| JPH11170009A (en) * | 1997-12-05 | 1999-06-29 | Kobe Steel Ltd | Horizontal continuous casting method |
| JP4768925B2 (en) * | 2001-03-30 | 2011-09-07 | 昭和電工株式会社 | Method for manufacturing aluminum alloy ingot for plastic working, method for manufacturing aluminum alloy plastic processed product, and aluminum alloy plastic processed product |
| JP4217560B2 (en) * | 2002-07-22 | 2009-02-04 | 昭和電工株式会社 | Aluminum alloy continuous casting rod manufacturing equipment |
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2005
- 2005-10-21 JP JP2005306753A patent/JP4757602B2/en active Active
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