JP2001096301A - Rolling method of aluminum or aluminum alloy - Google Patents
Rolling method of aluminum or aluminum alloyInfo
- Publication number
- JP2001096301A JP2001096301A JP27777799A JP27777799A JP2001096301A JP 2001096301 A JP2001096301 A JP 2001096301A JP 27777799 A JP27777799 A JP 27777799A JP 27777799 A JP27777799 A JP 27777799A JP 2001096301 A JP2001096301 A JP 2001096301A
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- aluminum
- rolled
- temperature
- liquid nitrogen
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/023—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes by immersion in a bath
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、アルミニウムおよ
びアルミニウム合金の圧延方法、詳しくは、微細な再結
晶粒組織からなるアルミニウムとその合金板を得るため
のアルミニウムおよびアルミニウム合金の圧延方法に関
する。The present invention relates to a method for rolling aluminum and an aluminum alloy, and more particularly to a method for rolling aluminum and an aluminum alloy to obtain aluminum having a fine recrystallized grain structure and an alloy plate thereof.
【０００２】[0002]
【従来の技術】近年、自動車部材などの軽量化の要求に
伴い、部材の薄肉化のために強度と成形性に優れたアル
ミニウムおよびアルミニウム合金板の開発が要望されて
いる。アルミニウムおよびアルミニウム合金板の強度や
成形性を向上させるための手法の一つとして、微細な再
結晶粒組織とすることが知られている。2. Description of the Related Art In recent years, with the demand for weight reduction of automobile parts and the like, there has been a demand for the development of aluminum and aluminum alloy sheets having excellent strength and formability in order to make the parts thinner. As one of techniques for improving the strength and formability of aluminum and aluminum alloy sheets, it is known to form a fine recrystallized grain structure.
【０００３】微細な再結晶粒組織を得るためには、加工
による歪み（転位）を多く蓄積させて、再結晶粒の核が
生成する場所をより多く形成させ、これを急速に加熱処
理することが必要となるが、一般に、アルミニウムおよ
びアルミニウム合金においては、積層欠陥エネルギーが
高いため、常温で加工により蓄積された歪みが回復し易
く、再結晶の核となり得る歪みを多く導入することが困
難である。In order to obtain a fine recrystallized grain structure, it is necessary to accumulate a large amount of strain (dislocation) due to processing, to form more places where nuclei of recrystallized grains are formed, and to heat this rapidly. However, in general, aluminum and aluminum alloys have a high stacking fault energy, so that the strain accumulated by processing at room temperature is easily recovered, and it is difficult to introduce a large amount of strain that can be a nucleus of recrystallization. is there.
【０００４】本発明者らは、アルミニウムおよびアルミ
ニウム合金の加工歪み導入における上記の難点を解決し
て、微細な再結晶粒組織をそなえたアルミニウムおよび
アルミニウム合金板を得るために、従来の常温圧延より
導入された歪みが回復し難い低温圧延に着目して実験、
検討を行った。[0004] The present inventors have solved the above-mentioned difficulties in the introduction of processing strain of aluminum and aluminum alloys, and obtained aluminum and aluminum alloy sheets having a fine recrystallized grain structure by using conventional cold rolling. An experiment focusing on low-temperature rolling where the introduced strain is difficult to recover,
Study was carried out.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、上記の実
験、検討の結果としてなされたものであり、その目的
は、従来の常温圧延では得ることのできない微細な再結
晶組織からなるアルミニウムおよびアルミニウム合金板
の製造を達成するためのアルミニウムおよびアルミニウ
ム合金の圧延方法を提供することにある。SUMMARY OF THE INVENTION The present invention has been made as a result of the above-mentioned experiments and studies, and its object is to provide aluminum and aluminum having a fine recrystallized structure which cannot be obtained by conventional cold rolling. It is an object of the present invention to provide a method of rolling aluminum and aluminum alloy to achieve the production of an alloy plate.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
めの本発明の請求項１によるアルミニウムおよびアルミ
ニウム合金の圧延方法は、アルミニウムまたはアルミニ
ウム合金の圧延方法において、被圧延材を液体窒素によ
り０℃以下の温度まで冷却した後、直ちに圧延を行うこ
とを特徴とする。According to a first aspect of the present invention, there is provided a method for rolling aluminum and an aluminum alloy, comprising the steps of: Rolling is performed immediately after cooling to a temperature of not more than ° C.
【０００７】請求項２によるアルミニウムおよびアルミ
ニウム合金の圧延方法は、アルミニウムまたはアルミニ
ウム合金の圧延方法において、被圧延材を液体窒素にｔ
ｉ秒以上の時間接触させることにより０℃以下の温度に
冷却した後、ｔｏ秒以内に圧延を行うことを特徴とす
る。但し、ｔｉ≧２０Ｔ、ｔｏ≦２００Ｔ（Ｔ：アルミ
ニウムまたはアルミニウム合金板の厚さ（ｍｍ））であ
る。According to a second aspect of the present invention, there is provided a method for rolling aluminum or an aluminum alloy, comprising the steps of:
Rolling is performed within to seconds after cooling to a temperature of 0 ° C. or lower by contacting for i seconds or more. Here, ti ≧ 20T and to ≦ 200T (T: thickness (mm) of aluminum or aluminum alloy plate).
【０００８】請求項３によるアルミニウムおよびアルミ
ニウム合金の圧延方法は、請求項１または２において、
圧延前および／または圧延時、液体窒素を圧延ロールに
噴射してロールの表面温度を０〜２０℃の温度範囲に調
整して圧延を行うことを特徴とする。[0008] The rolling method of aluminum and aluminum alloy according to claim 3 is the method according to claim 1 or 2,
Before and / or at the time of rolling, liquid nitrogen is injected into the rolling roll to adjust the surface temperature of the roll to a temperature range of 0 to 20 ° C., and the rolling is performed.
【０００９】請求項４によるアルミニウムおよびアルミ
ニウム合金の圧延方法は、請求項２において、被圧延材
を液体窒素により冷却した後、前記ｔｏ秒以内の時間に
おいて被圧延材の表面に霜が付くよう、液体窒素を収容
する槽と圧延ロールとの距離および／または被圧延材の
送り速度を調整して、前記霜により生じる水滴を潤滑剤
として圧延を行うことを特徴とする。According to a fourth aspect of the present invention, there is provided a method for rolling aluminum and an aluminum alloy according to the second aspect, wherein after the material to be rolled is cooled by liquid nitrogen, frost is formed on the surface of the material to be rolled in the time within the to seconds. Rolling is performed by adjusting a distance between a tank containing liquid nitrogen and a rolling roll and / or a feed speed of a material to be rolled, and using water droplets generated by the frost as a lubricant.
【００１０】また、請求項５によるアルミニウムおよび
アルミニウム合金の圧延方法は、請求項４において、被
圧延材を液体窒素により０℃以下の温度まで冷却した
後、前記ｔｏ秒以内に圧延を行い、圧延ロールを通過し
た直後の被圧延材の温度を０℃以下にすることを特徴と
する。According to a fifth aspect of the present invention, in the method for rolling aluminum and aluminum alloy according to the fourth aspect, after the material to be rolled is cooled to a temperature of 0 ° C. or less with liquid nitrogen, the rolling is performed within the to seconds. The temperature of the material to be rolled immediately after passing through the roll is set to 0 ° C. or less.
【００１１】[0011]
【発明の実施の形態】本発明においては、アルミニウム
またはアルミニウム合金の圧延方法、好ましい実施態様
としては、コイルを巻き戻しながら圧延ロールを通して
圧延を行うアルミニウムまたはアルミニウム合金板（以
下、総称してアルミニウム板という）の圧延方法におい
て、被圧延材のアルミニウム板を液体窒素の槽を通して
０℃以下の温度まで冷却した後、直ちに圧延を行う。DETAILED DESCRIPTION OF THE INVENTION In the present invention, a method for rolling aluminum or an aluminum alloy, and in a preferred embodiment, an aluminum or aluminum alloy plate (hereinafter collectively referred to as an aluminum plate) which is rolled through a rolling roll while unwinding a coil. ), The aluminum plate as the material to be rolled is cooled to a temperature of 0 ° C. or less through a bath of liquid nitrogen, and then immediately rolled.
【００１２】本発明の圧延を実施するための装置の概念
図を図１に示す。図１において、コイル状に巻かれたア
ルミニウム板Ｍは、アンコイラー１から巻き戻され、液
体窒素槽４に導入された液体窒素と接触して０℃以下の
温度まで冷却される。アルミニウム板Ｍは、０℃以下の
温度に冷却後、直ちに圧延ロール７を通過してコイラー
２によりコイルとして巻き取られる。６は、圧延板の板
厚を測定するための板厚計である。FIG. 1 is a conceptual diagram of an apparatus for carrying out the rolling according to the present invention. In FIG. 1, an aluminum plate M wound in a coil shape is unwound from an uncoiler 1, contacts liquid nitrogen introduced into a liquid nitrogen tank 4, and is cooled to a temperature of 0 ° C. or lower. After cooling to a temperature of 0 ° C. or less, the aluminum plate M immediately passes through the rolling roll 7 and is wound as a coil by the coiler 2. Reference numeral 6 denotes a thickness gauge for measuring the thickness of the rolled plate.
【００１３】アルミニウム板Ｍは、液体窒素槽４内にお
いて、数回ループする間に液体窒素温度まで冷却され
る。好ましくは、被圧延材のアルミニウム板を液体窒素
にｔｉ秒以上の時間接触させることにより０℃以下の温
度に冷却した後、ｔｏ秒以内に圧延を行う（但し、ｔｉ
≧２０Ｔ、ｔｏ≦２００Ｔ、Ｔ：アルミニウム板の厚さ
（ｍｍ））。The aluminum plate M is cooled to the liquid nitrogen temperature in the liquid nitrogen bath 4 while looping several times. Preferably, after rolling the aluminum plate as a material to be rolled to a temperature of 0 ° C. or less by contacting the aluminum plate with liquid nitrogen for a time of ti seconds or more, rolling is performed within to seconds (however, ti
≧ 20T, to ≦ 200T, T: thickness of aluminum plate (mm)).
【００１４】板幅１００ｍｍ、長さ１５０ｍｍの工業用
純アルミニウム板（１０５０）について、板厚と常温か
ら液体窒素温度に到達するまでの時間との関係を図２に
示す。また、板厚と液体窒素で冷却した後大気中に放置
した際に常温に到る時間との関係を図３に示す。FIG. 2 shows the relationship between the thickness of a commercial pure aluminum plate (1050) having a plate width of 100 mm and a length of 150 mm, and the time required to reach the liquid nitrogen temperature from room temperature. FIG. 3 shows the relationship between the plate thickness and the time to reach room temperature when left in air after cooling with liquid nitrogen.
【００１５】図２によれば、例えば、純アルミニウム板
の板厚が１ｍｍの場合、常温より液体窒素温度以下に到
達する時間は約２０秒である。従って、浸漬できるアル
ミニウム板の長さが３．５ｍの液体窒素槽を使用した場
合には、１０ｍ／分程度のライン速度（圧延速度、送り
速度）で液体窒素温度に到達する。また、液体窒素槽か
ら圧延ロールまでの距離が５００ｍｍの場合、この純ア
ルミニウム板が１０ｍ／分の速度で液体窒素槽から出て
圧延ロールに到達するまでの時間は約３秒であるから、
図３によれば、圧延ロールに到達する時点での純アルミ
ニウム板の温度は−１５０℃程度となる。According to FIG. 2, for example, when the thickness of the pure aluminum plate is 1 mm, it takes about 20 seconds to reach a temperature lower than the liquid nitrogen temperature from room temperature. Therefore, when a liquid nitrogen bath having an aluminum plate length of 3.5 m for immersion is used, the liquid nitrogen temperature is reached at a line speed (rolling speed, feed speed) of about 10 m / min. When the distance from the liquid nitrogen tank to the rolling roll is 500 mm, the time required for the pure aluminum plate to exit the liquid nitrogen tank at a speed of 10 m / min and reach the rolling roll is about 3 seconds.
According to FIG. 3, the temperature of the pure aluminum plate at the time when it reaches the rolling roll is about -150 ° C.
【００１６】図４は、低温に冷却された約１ｍｍ厚さの
前記純アルミニウム板を１０〜１８％の圧下率で低温圧
延した場合における圧延後の材料（純アルミニウム板）
の温度を示したものである。図４によれば、圧延後の材
料の温度は、圧下率が１０％では約−４０℃、１８％で
は約−２０℃となる。同じ板厚の純アルミニウム板を同
様の圧下率で常温（２５℃）で圧延すると約４０℃とな
った。FIG. 4 shows a rolled material (pure aluminum plate) when the above-mentioned pure aluminum plate cooled to low temperature and having a thickness of about 1 mm is cold-rolled at a rolling reduction of 10 to 18%.
FIG. According to FIG. 4, the temperature of the material after rolling is about −40 ° C. when the rolling reduction is 10%, and about −20 ° C. when the rolling reduction is 18%. When a pure aluminum plate having the same thickness was rolled at the same rolling reduction at a normal temperature (25 ° C.), the temperature reached about 40 ° C.
【００１７】本発明では、図１に示すように、圧延ロー
ル７に向けて液体窒素噴射ノズル５を配設し、圧延前お
よび／または圧延時、液体窒素タンク３から液体窒素を
液体窒素噴射ノズル５を通して圧延ロール７に噴射して
ロールの表面温度を０〜２０℃の温度範囲に調整して圧
延を行うとさらに効果的である。In the present invention, as shown in FIG. 1, a liquid nitrogen injection nozzle 5 is provided toward a rolling roll 7, and before and / or during rolling, liquid nitrogen is supplied from a liquid nitrogen tank 3 to a liquid nitrogen injection nozzle. It is more effective to perform the rolling by injecting the roll 5 through the roll 5 and adjusting the surface temperature of the roll to a temperature range of 0 to 20 ° C.
【００１８】また、本発明においては、圧延時、とくに
潤滑油を使用しなくてもよく、被圧延材のアルミニウム
板を液体窒素により冷却した後、前記ｔｏ秒以内の時間
においてアルミニウム板の表面に霜が付くよう、液体窒
素槽４と圧延ロール７との距離またはアルミニウム板の
送り速度を調整し、あるいは液体窒素槽４と圧延ロール
７との距離とアルミニウム板の送り速度の両方を調整し
て、表面に付いた霜により生じる水滴を潤滑剤として圧
延を行うことができる。Further, in the present invention, it is not necessary to use a lubricating oil at the time of rolling, and after cooling the aluminum plate of the material to be rolled with liquid nitrogen, the surface of the aluminum plate is kept within the above-mentioned to seconds. Adjust the distance between the liquid nitrogen tank 4 and the rolling roll 7 or the feed speed of the aluminum plate, or adjust both the distance between the liquid nitrogen tank 4 and the rolling roll 7 and the feed speed of the aluminum plate so that frost is formed. Rolling can be performed using water droplets generated by frost on the surface as a lubricant.
【００１９】さらに、本発明においては、被圧延材のア
ルミニウム板を液体窒素により０℃以下の温度まで冷却
した後、前記ｔｏ秒以内に圧延を行い、圧延ロールを通
過した直後の被圧延材の温度を０℃以下にするのが微細
な再結晶組織を得る上でより好ましい。本発明、とくに
上記請求項４〜５に記載の発明を実施するために、圧延
の対象となる各アルミニウム合金について、前記図１〜
４に相当する関係図を作成して、液体窒素槽の長さ、液
体窒素槽と圧延ロールとの距離、圧延速度（送り速度）
などの調整を行うのがよい。Furthermore, in the present invention, after the aluminum plate as the material to be rolled is cooled to a temperature of 0 ° C. or less with liquid nitrogen, rolling is performed within the above-mentioned to seconds, and the material to be rolled immediately after passing through the rolling rolls is cooled. It is more preferable to set the temperature to 0 ° C. or lower in order to obtain a fine recrystallized structure. In order to carry out the present invention, in particular, the invention according to claims 4 to 5, for each aluminum alloy to be rolled,
The relation diagram corresponding to No. 4 is created, and the length of the liquid nitrogen tank, the distance between the liquid nitrogen tank and the rolling roll, the rolling speed (feed speed)
It is better to make adjustments such as
【００２０】[0020]
【実施例】以下、本発明の実施例を説明する。なお、本
実施例は、本発明の好ましい一実施態様を説明するため
のものであって、これにより本発明が制限されるもので
はない。Embodiments of the present invention will be described below. It should be noted that the present example is for describing a preferred embodiment of the present invention, and the present invention is not limited thereto.
【００２１】実施例１ 板幅１００ｍｍ、厚さ２５ｍｍの３００４合金板（以
下、合金板）を厚さ１．０ｍｍまで常温で圧延した後、
本発明に従って５〜８回のパス回数で厚さ０．１〜０．
３ｍｍまで低温圧延した。低温圧延は、合金板を送り速
度１０ｍ／分で送り、各パス毎に合金板を液体窒素槽内
に浸漬して−１９６℃の温度まで冷却した後、３〜５秒
以内に、合金板の表面に霜が付いたことを確認した時点
で圧延を開始した。Example 1 A 3004 alloy plate having a width of 100 mm and a thickness of 25 mm (hereinafter referred to as an alloy plate) was rolled at a normal temperature to a thickness of 1.0 mm.
According to the invention, the thickness of 0.1-0.
It was cold rolled to 3 mm. In the low-temperature rolling, the alloy plate is fed at a feed speed of 10 m / min, and after each pass, the alloy plate is immersed in a liquid nitrogen bath and cooled to a temperature of -196 ° C. Rolling was started when it was confirmed that frost had formed on the surface.
【００２２】圧延ロールは、予め液体窒素を噴射するこ
とにより冷却し、表面温度を１５〜２０℃とした。圧延
直前の合金板の温度は−１７０〜−１５０℃であり、圧
延後の合金板の温度は−２０〜−３０℃であった。圧延
中、合金板の表面に付いた霜により生じる水滴が潤滑剤
として作用し、良好な圧延潤滑性が得られた。また、
０．３ｍｍまで低温圧延を行った合金板は、同じ圧下率
で全て常温で圧延したものに比べ、圧延面の硬さ（常温
での硬さ）は１０％増大しており、常温圧延と比較して
低温圧延による歪み増大効果が認められた。The rolling roll was previously cooled by injecting liquid nitrogen to adjust the surface temperature to 15 to 20 ° C. The temperature of the alloy sheet immediately before rolling was -170 to -150C, and the temperature of the alloy sheet after rolling was -20 to -30C. During rolling, water droplets generated by frost on the surface of the alloy plate acted as a lubricant, and good rolling lubricity was obtained. Also,
The hardness of the rolled surface (hardness at room temperature) of the alloy plate that has been cold-rolled to 0.3 mm at the same rolling reduction is 10% higher than that of the plate rolled at room temperature. As a result, the effect of increasing strain by low-temperature rolling was recognized.
【００２３】圧延後、得られた合金板を５００℃で５秒
間熱処理して再結晶させた後、再結晶粒径を測定した。
再結晶粒径は、圧延方向と平行な断面について偏光顕微
鏡で観察し、これにより得られた２００倍の組織写真に
ついて切断法により求めた。その結果、０．３ｍｍ厚ま
で圧延された合金板では４〜５μｍの微細結晶粒組織を
示した。同じ圧下率で常温で圧延した合金板の結晶粒径
は７〜８μｍであり、低温圧延による結晶粒微細化の効
果が確認された。また、厚さ０．１ｍｍまで圧延された
合金板の結晶粒径は３〜４μｍとさらに微細であった。After rolling, the obtained alloy plate was heat-treated at 500 ° C. for 5 seconds to recrystallize, and the recrystallized grain size was measured.
The recrystallized grain size was obtained by observing a cross section parallel to the rolling direction with a polarizing microscope, and obtaining a 200-fold structure photograph obtained by the cutting method. As a result, the alloy plate rolled to a thickness of 0.3 mm showed a fine grain structure of 4 to 5 μm. The crystal grain size of the alloy sheet rolled at room temperature at the same rolling reduction was 7 to 8 μm, and the effect of crystal grain refinement by low-temperature rolling was confirmed. The crystal grain size of the alloy sheet rolled to a thickness of 0.1 mm was even finer, 3 to 4 μm.
【００２４】[0024]
【発明の効果】本発明によれば、アルミニウムおよびア
ルミニウム合金を低温で圧延することにより、再結晶の
核となる歪みが多く蓄積され、熱処理を施すことによっ
て微細な再結晶組織を有するアルミニウムおよびアルミ
ニウム合金板が得られる。According to the present invention, by rolling aluminum and an aluminum alloy at a low temperature, a large amount of strain serving as a nucleus for recrystallization is accumulated, and aluminum and aluminum having a fine recrystallized structure are obtained by heat treatment. An alloy plate is obtained.
【図１】本発明を実施するための圧延装置の概念図であ
る。FIG. 1 is a conceptual diagram of a rolling device for carrying out the present invention.
【図２】工業用純アルミニウム板について、板厚と常温
から液体窒素温度に到達するまでの時間との関係を示す
グラフである。FIG. 2 is a graph showing the relationship between the thickness of an industrial pure aluminum plate and the time from normal temperature to the temperature of liquid nitrogen.
【図３】工業用純アルミニウム板について、板厚と液体
窒素で冷却した後大気中に放置した際に常温に到る時間
との関係を示すグラフである。FIG. 3 is a graph showing the relationship between the thickness of an industrial pure aluminum plate and the time it takes to reach room temperature when left in air after cooling with liquid nitrogen.
【図４】低温圧延した純アルミニウム板の圧下率と圧延
後の純アルミニウム板の温度との関係を示すグラフであ
る。FIG. 4 is a graph showing the relationship between the rolling reduction of a low-temperature rolled pure aluminum plate and the temperature of the pure aluminum plate after rolling.
１ アンコイラー ２ コイラー ３ 液体窒素タンク ４ 液体窒素槽 ５ 液体窒素噴射ノズル ６ 板厚計 ７ 圧延ロール DESCRIPTION OF SYMBOLS 1 Uncoiler 2 Coiler 3 Liquid nitrogen tank 4 Liquid nitrogen tank 5 Liquid nitrogen injection nozzle 6 Thickness gauge 7 Rolling roll
───────────────────────────────────────────────────── フロントページの続き (71)出願人 000004743 日本軽金属株式会社 東京都品川区東品川二丁目２番20号 (71)出願人 000005290 古河電気工業株式会社 東京都千代田区丸の内２丁目６番１号 (71)出願人 000176707 三菱アルミニウム株式会社 東京都港区芝２丁目３番３号 (72)発明者 江崎 宏樹 東京都港区新橋５丁目11番３号 住友軽金 属工業株式会社内 (72)発明者 渋江 和久 東京都港区新橋５丁目11番３号 住友軽金 属工業株式会社内 ──────────────────────────────────────────────────続 き Continuation of front page (71) Applicant 000004743 Nippon Light Metal Co., Ltd. 2-2-2 Higashi Shinagawa, Shinagawa-ku, Tokyo (71) Applicant 000005290 Furukawa Electric Co., Ltd. 2-6-1 Marunouchi, Chiyoda-ku, Tokyo No. (71) Applicant 000176707 Mitsubishi Aluminum Co., Ltd. 2-3-3 Shiba, Minato-ku, Tokyo (72) Inventor Hiroki Ezaki 5-11-3 Shimbashi, Minato-ku, Tokyo Sumitomo Light Metal Industries, Ltd. (72 ) Inventor Kazuhisa Shibue 5-11-3 Shimbashi, Minato-ku, Tokyo Sumitomo Light Metal Industries Co., Ltd.
Claims (5)
圧延方法において、被圧延材を液体窒素により０℃以下
の温度まで冷却した後、直ちに圧延を行うことを特徴と
するアルミニウムまたはアルミニウム合金の圧延方法。1. A method for rolling aluminum or an aluminum alloy, comprising rolling a material to be rolled immediately after cooling the material to be rolled to a temperature of 0 ° C. or lower with liquid nitrogen.
圧延方法において、被圧延材を液体窒素にｔｉ秒以上の
時間接触させることにより０℃以下の温度に冷却した
後、ｔｏ秒以内に圧延を行うことを特徴とするアルミニ
ウムおよびアルミニウム合金の圧延方法。但し、ｔｉ≧
２０Ｔ、ｔｏ≦２００Ｔ（Ｔ：アルミニウムまたはアル
ミニウム合金板の厚さ（ｍｍ））。2. A method of rolling aluminum or an aluminum alloy, wherein the material to be rolled is cooled to a temperature of 0 ° C. or less by contacting it with liquid nitrogen for a time of ti seconds or more, and then rolling is performed within to seconds. Method for rolling aluminum and aluminum alloys. Where ti ≧
20T, to ≦ 200T (T: thickness of aluminum or aluminum alloy plate (mm)).
を圧延ロールに噴射してロールの表面温度を０〜２０℃
の温度範囲に調整して圧延を行うことを特徴とする請求
項１または２記載のアルミニウムおよびアルミニウム合
金の圧延方法。3. Before and / or during rolling, liquid nitrogen is sprayed onto a rolling roll to adjust the surface temperature of the roll to 0 to 20 ° C.
3. The method for rolling aluminum and an aluminum alloy according to claim 1, wherein the rolling is performed by adjusting the temperature to the range described above.
前記ｔｏ秒以内の時間において被圧延材の表面に霜が付
くよう、液体窒素を収容する槽と圧延ロールとの距離お
よび／または被圧延材の送り速度を調整して、前記霜に
より生じる水滴を潤滑剤として圧延を行うことを特徴と
する請求項２記載のアルミニウムおよびアルミニウム合
金の圧延方法。4. After the material to be rolled is cooled by liquid nitrogen,
By adjusting the distance between the tank containing liquid nitrogen and the rolling roll and / or the feed speed of the material to be rolled so that frost is formed on the surface of the material to be rolled in the time within to seconds, water droplets generated by the frost are removed. 3. The method for rolling aluminum and aluminum alloy according to claim 2, wherein rolling is performed as a lubricant.
度まで冷却した後、前記ｔｏ秒以内に圧延を行い、圧延
ロールを通過した直後の被圧延材の温度を０℃以下にす
ることを特徴とする請求項４記載のアルミニウムおよび
アルミニウム合金の圧延方法。5. After the material to be rolled is cooled to a temperature of 0 ° C. or less with liquid nitrogen, rolling is performed within the above to seconds, and the temperature of the material to be rolled immediately after passing through the rolling roll is reduced to 0 ° C. or less. 5. The method for rolling aluminum and aluminum alloy according to claim 4, wherein:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27777799A JP2001096301A (en) | 1999-09-30 | 1999-09-30 | Rolling method of aluminum or aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27777799A JP2001096301A (en) | 1999-09-30 | 1999-09-30 | Rolling method of aluminum or aluminum alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001096301A true JP2001096301A (en) | 2001-04-10 |
Family
ID=17588180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27777799A Pending JP2001096301A (en) | 1999-09-30 | 1999-09-30 | Rolling method of aluminum or aluminum alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001096301A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002087803A1 (en) * | 2001-05-01 | 2002-11-07 | Air Products And Chemicals, Inc. | A process and roll stand for cold rolling of a metal strip |
| EP2197600A1 (en) * | 2007-08-28 | 2010-06-23 | Air Products and Chemicals, Inc. | Discharging cryogen onto work surfaces in a cold roll mill |
| WO2010070310A1 (en) * | 2008-12-19 | 2010-06-24 | Siemens Vai Metals Technologies Ltd. | Rolling mill temperature control |
| CN102059250A (en) * | 2010-11-09 | 2011-05-18 | 燕山大学 | Electro-plastic two-roll mill of low-temperature liquid nitrogen cooling medium |
| CN103911500A (en) * | 2014-03-26 | 2014-07-09 | 苏州市职业大学 | Method for fabricating gradient ultra-fine metal grains |
| US9016076B2 (en) | 2007-08-28 | 2015-04-28 | Air Products And Chemicals, Inc. | Apparatus and method for controlling the temperature of a cryogen |
| US9200356B2 (en) | 2006-08-28 | 2015-12-01 | Air Products And Chemicals, Inc. | Apparatus and method for regulating cryogenic spraying |
| CN105525240A (en) * | 2015-12-11 | 2016-04-27 | 北京奥普科星技术有限公司 | Rolling heat treatment technology for improving strength and plasticity of 6063 aluminium alloy |
| CN106077113A (en) * | 2016-08-24 | 2016-11-09 | 湖南浩森胶业有限公司 | A kind of aluminium flake chiller |
| CN109351787A (en) * | 2018-12-19 | 2019-02-19 | 燕山大学 | A kind of cold-strip liquid nitrogen cold sperm intelligent control device |
| CN109746268A (en) * | 2019-01-16 | 2019-05-14 | 中南大学 | A kind of monolithic band intelligence deep cooling experimental mill and milling method with tension |
| CN109746269A (en) * | 2019-01-16 | 2019-05-14 | 中南大学 | A kind of asynchronous experimental mill of monolithic band intelligence deep cooling friction speed and milling method with tension |
| CN109746267A (en) * | 2019-01-16 | 2019-05-14 | 中南大学 | A kind of deep cooling milling train and its deep cooling milling method with insulating box |
| CN110125208A (en) * | 2019-05-08 | 2019-08-16 | 张振亮 | A kind of aluminium plate deep processing processing unit |
-
1999
- 1999-09-30 JP JP27777799A patent/JP2001096301A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309493C (en) * | 2001-05-01 | 2007-04-11 | 气体产品与化学公司 | Process and roll stand for cold rolling of a metal strip |
| KR100776227B1 (en) * | 2001-05-01 | 2007-11-16 | 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 | A process and roll stand for cold rolling of a metal strip |
| WO2002087803A1 (en) * | 2001-05-01 | 2002-11-07 | Air Products And Chemicals, Inc. | A process and roll stand for cold rolling of a metal strip |
| US9200356B2 (en) | 2006-08-28 | 2015-12-01 | Air Products And Chemicals, Inc. | Apparatus and method for regulating cryogenic spraying |
| US9016076B2 (en) | 2007-08-28 | 2015-04-28 | Air Products And Chemicals, Inc. | Apparatus and method for controlling the temperature of a cryogen |
| EP2197600A1 (en) * | 2007-08-28 | 2010-06-23 | Air Products and Chemicals, Inc. | Discharging cryogen onto work surfaces in a cold roll mill |
| EP2197600A4 (en) * | 2007-08-28 | 2011-10-05 | Air Prod & Chem | Discharging cryogen onto work surfaces in a cold roll mill |
| WO2010070310A1 (en) * | 2008-12-19 | 2010-06-24 | Siemens Vai Metals Technologies Ltd. | Rolling mill temperature control |
| CN102256714A (en) * | 2008-12-19 | 2011-11-23 | 西门子Vai金属科技有限公司 | Rolling mill temperature control |
| RU2523177C2 (en) * | 2008-12-19 | 2014-07-20 | СИМЕНС ПиЭлСи | Rolling mill temperature control |
| US8978436B2 (en) | 2008-12-19 | 2015-03-17 | Siemens Plc | Rolling mill temperature control |
| CN102059250A (en) * | 2010-11-09 | 2011-05-18 | 燕山大学 | Electro-plastic two-roll mill of low-temperature liquid nitrogen cooling medium |
| CN103911500A (en) * | 2014-03-26 | 2014-07-09 | 苏州市职业大学 | Method for fabricating gradient ultra-fine metal grains |
| CN105525240A (en) * | 2015-12-11 | 2016-04-27 | 北京奥普科星技术有限公司 | Rolling heat treatment technology for improving strength and plasticity of 6063 aluminium alloy |
| CN106077113A (en) * | 2016-08-24 | 2016-11-09 | 湖南浩森胶业有限公司 | A kind of aluminium flake chiller |
| CN109351787A (en) * | 2018-12-19 | 2019-02-19 | 燕山大学 | A kind of cold-strip liquid nitrogen cold sperm intelligent control device |
| CN109746268A (en) * | 2019-01-16 | 2019-05-14 | 中南大学 | A kind of monolithic band intelligence deep cooling experimental mill and milling method with tension |
| CN109746269A (en) * | 2019-01-16 | 2019-05-14 | 中南大学 | A kind of asynchronous experimental mill of monolithic band intelligence deep cooling friction speed and milling method with tension |
| CN109746267A (en) * | 2019-01-16 | 2019-05-14 | 中南大学 | A kind of deep cooling milling train and its deep cooling milling method with insulating box |
| CN110125208A (en) * | 2019-05-08 | 2019-08-16 | 张振亮 | A kind of aluminium plate deep processing processing unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2001096301A (en) | Rolling method of aluminum or aluminum alloy | |
| JP2965969B1 (en) | Continuous plating method for steel sheet | |
| JP3113490B2 (en) | Manufacturing method of ultra-thin scale steel sheet | |
| JP2004169141A (en) | Production process of high-grade non-oriented magnetic steel sheet | |
| JP3334521B2 (en) | Al-containing hot-dip galvanized steel sheet excellent in spangle uniformity and method for producing the same | |
| JP5752406B2 (en) | Steel plate manufacturing method and equipment excellent in chemical conversion treatment | |
| JP2965970B1 (en) | Continuous processing line and continuous processing method for steel sheet | |
| JP3806172B2 (en) | Manufacturing method of hot-rolled steel sheet with good surface properties and pickling properties by continuous hot-rolling process | |
| JP3370239B2 (en) | Aluminum hard thin plate for electrolytic capacitor and method for producing the same | |
| JP3413180B2 (en) | Continuous hot rolling method and rolling equipment | |
| JP4189309B2 (en) | Method for producing ultra-low carbon steel sheet for galvanization with excellent surface properties | |
| JP3334522B2 (en) | Al-containing hot-dip galvanized steel sheet excellent in spangle uniformity and method for producing the same | |
| JPH07166292A (en) | Hot rolled high strength steel plate excellent in drawability and production thereof | |
| JP3872538B2 (en) | Method for producing hot-rolled steel sheet with good surface properties and pickling properties | |
| JP2820805B2 (en) | Method for producing thin hot rolled steel sheet with excellent surface properties | |
| JP3872537B2 (en) | Method for producing hot-rolled steel sheet with good surface properties and pickling properties | |
| JP2578040B2 (en) | Manufacturing method of ultra-high silicon electrical steel sheet | |
| CN115254953A (en) | Cast-rolled 3004 checkered plate and preparation method thereof | |
| JP3216532B2 (en) | Method for producing hot rolled steel sheet with excellent pickling properties | |
| JPH093551A (en) | Production of ferritic stainless steel sheet excellent in roping resistance, ridging resistance, and deep drawability | |
| JPS5830925B2 (en) | Manufacturing method for low-grade electrical steel sheets | |
| JPH09235653A (en) | Hot rolled steel plate excellent in scale adhesion by continuous hot rolling process and its production | |
| JPH10263622A (en) | Hot rolled ferritic stainless steel sheet excellent in corrosion resistance and manufacture thereof | |
| JPH0559450A (en) | Production of thin hot rolled steel sheet excellent in surface characteristic | |
| JPH0957303A (en) | Continuous hot rolling equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20040202 |