JP2019537670A - 表面品質を制御する金属の磁気浮上加熱 - Google Patents
表面品質を制御する金属の磁気浮上加熱 Download PDFInfo
- Publication number
- JP2019537670A JP2019537670A JP2019537056A JP2019537056A JP2019537670A JP 2019537670 A JP2019537670 A JP 2019537670A JP 2019537056 A JP2019537056 A JP 2019537056A JP 2019537056 A JP2019537056 A JP 2019537056A JP 2019537670 A JP2019537670 A JP 2019537670A
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- Japan
- Prior art keywords
- metal article
- heating
- zone
- heating device
- metal
- 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.)
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Images
Classifications
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- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
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- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
- H05B6/103—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor
- H05B6/104—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor metal pieces being elongated like wires or bands
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
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- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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- B65G54/02—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/04—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering with simultaneous application of supersonic waves, magnetic or electric fields
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- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
Description
本出願は、「ROTATING MAGNET HEAT INDUCTION」という名称で2016年9月27日に出願された米国仮特許出願第62/400,426号、および、「ROTATING MAGNET HEAT INDUCTION」という名称で2017年5月14日に出願された米国仮特許出願第62/505,948号の利益を主張し、それらの開示全体は参照により本明細書に組み込まれる。
Claims (26)
- 加熱装置であって、
金属物品を受け入れるための加熱ゾーンであって、前記加熱ゾーンが、前記金属物品の温度を上昇させるための少なくとも1つの加熱デバイスを含む、加熱ゾーンと、
前記金属物品の前記温度を維持するための前記加熱ゾーンに連結された浮揚ゾーンと、を備え、前記浮揚ゾーンが、前記金属物品を浮上させるための浮揚デバイスのアレイを含み、前記少なくとも1つの加熱デバイスおよび前記浮揚デバイスのアレイのうちの少なくとも一方が、前記金属物品に隣接して位置決めされた磁気回転子のアレイを含む、加熱装置。 - 前記磁気回転子のアレイの各磁気回転子が、少なくとも1つの永久磁石を含む、請求項1に記載の加熱装置。
- 前記加熱ゾーンおよび前記浮揚ゾーンが、互いに重なり合っている、請求項1に記載の加熱装置。
- 前記少なくとも1つの加熱デバイスおよび前記浮揚デバイスのアレイの両方が、前記磁気回転子のアレイを含む、請求項3に記載の加熱装置。
- 前記浮揚ゾーンが、前記加熱ゾーンの直後に下流方向に位置付けられ、前記加熱ゾーンが、前記金属物品を連続的に受け入れるための入口を含み、前記浮揚ゾーンが、前記金属物品を連続的に排出するための出口を含む、請求項1に記載の加熱装置。
- 前記少なくとも1つの加熱デバイスが、前記磁気回転子のアレイを含む、請求項1に記載の加熱装置。
- 前記浮揚デバイスのアレイが、前記磁気回転子のアレイを含む、請求項1に記載の加熱装置。
- 前記磁気回転子のアレイが、各々が複数の横方向に離間配置された磁石を含む複数の回転子を含む、請求項7に記載の加熱装置。
- (1)冷却剤流体の源に連結され、かつ前記冷却剤流体を前記金属物品上に分配するように位置決めされた1つ以上の冷却ノズル、および
(2)前記金属物品を加熱するための1つ以上の加熱ノズル、のうちの少なくとも一方をさらに備える、請求項1に記載の加熱装置。 - 前記磁気回転子のアレイが、前記金属物品の横方向の幅に平行であり、かつ下流方向に垂直である回転軸の周りで回転する、請求項1に記載の加熱装置。
- チャンバをさらに備え、前記金属物品が、前記浮揚ゾーンおよび前記加熱ゾーンのうちの少なくとも一方の前記チャンバ内に位置決めされている、請求項1に記載の加熱装置。
- 前記チャンバが、前記金属物品を、前記浮揚ゾーンおよび前記加熱ゾーンのうちの少なくとも一方に通板させることを容易にするように、底壁から分離可能な上壁を含む、請求項11に記載の加熱装置。
- 前記チャンバが、前記チャンバを不活性ガスの供給部に接続する1つ以上のポートを含む、請求項11に記載の加熱装置。
- 方法であって、
金属物品を加熱装置の加熱ゾーンに位置決めすることと、
前記金属物品を前記加熱ゾーンで設定温度に加熱することと、
前記金属物品を浮揚ゾーンで浮上させることであって、前記金属物品を加熱することおよび前記金属物品を浮上させることのうちの少なくとも一方が、前記金属物品に隣接して変化する磁場を生成するために、少なくとも1つの磁気回転子を回転させることを含む、浮上させることと、
前記金属物品が、前記浮揚ゾーンで浮上している間、前記設定温度を一定の継続時間維持することと、を含む、方法。 - 前記少なくとも1つの磁気回転子の各々が、共通の回転軸の周りで回転可能な1つ以上の永久磁石を含む、請求項14に記載の方法。
- 前記加熱ゾーンおよび前記浮揚ゾーンが、互いに重なり合っている、請求項14に記載の方法。
- 前記金属物品を加熱することおよび前記金属物品を浮上させることの両方が、前記少なくとも1つの磁気回転子を回転させることを含む、請求項14に記載の方法。
- 前記金属物品を前記加熱ゾーンから前記浮揚ゾーンに方向付けることをさらに含み、前記浮揚ゾーンが、前記加熱ゾーンの直後に下流方向に位置付けられ、前記金属物品を前記加熱ゾーンに位置決めすることが、前記金属物品を前記加熱ゾーンに連続的に受け入れることを含む、請求項14に記載の方法。
- 前記少なくとも1つの磁気回転子の各々が、共通の回転軸の周りで回転可能な複数の横方向に離間配置された磁石を含む、請求項14に記載の方法。
- 1つ以上の冷却ノズルを使用して、前記金属物品に冷却剤流体を提供することをさらに含む、請求項14に記載の方法。
- 温度センサを使用して、前記金属物品の温度を測定することと、
前記測定された温度に基づいて、前記加熱ゾーンまたは前記冷却剤流体の前記分配を制御することと、をさらに含む、請求項20に記載の方法。 - 1つ以上の加熱ノズルを使用して、前記金属物品に熱を提供することと、
温度センサを使用して、前記金属物品の温度を測定することと、
前記測定された温度に基づいて、前記1つ以上の加熱ノズルによって、前記金属物品に提供される前記熱を制御することと、をさらに含む、請求項14に記載の方法。 - 前記少なくとも1つの磁気回転子の各々が、前記金属物品の横方向の幅に平行であり、かつ前記金属物品の下流方向に垂直である回転軸の周りで回転する、請求項14に記載の方法。
- 前記金属物品を浮上させることが、チャンバ内で前記金属物品を浮上させることと、前記チャンバを通して前記変化する磁場を生成することと、を含む、請求項14に記載の方法。
- 前記金属物品を前記チャンバ内に通板させることをさらに含み、前記金属物品を通板させることが、
前記チャンバの上壁および底壁を分離することと、
前記金属物品を前記上壁と前記底壁との間に挿入することと、
前記上壁および前記底壁を一緒に再固定することと、を含む、請求項24に記載の方法。 - 前記チャンバに不活性ガスを供給することをさらに含む、請求項24に記載の方法。
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US62/505,948 | 2017-05-14 | ||
PCT/US2017/053676 WO2018064145A1 (en) | 2016-09-27 | 2017-09-27 | Magnetic levitation heating of metal with controlled surface quality |
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