JP2019535104A - 磁気加熱を使用した予備時効システムおよび方法 - Google Patents
磁気加熱を使用した予備時効システムおよび方法 Download PDFInfo
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- JP2019535104A JP2019535104A JP2019516450A JP2019516450A JP2019535104A JP 2019535104 A JP2019535104 A JP 2019535104A JP 2019516450 A JP2019516450 A JP 2019516450A JP 2019516450 A JP2019516450 A JP 2019516450A JP 2019535104 A JP2019535104 A JP 2019535104A
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- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 254
- 239000002184 metal Substances 0.000 claims abstract description 254
- 230000032683 aging Effects 0.000 claims abstract description 73
- 230000003213 activating effect Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 description 31
- 238000012545 processing Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 14
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005555 metalworking Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
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- 229910052719 titanium Inorganic materials 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- VRAIHTAYLFXSJJ-UHFFFAOYSA-N alumane Chemical compound [AlH3].[AlH3] VRAIHTAYLFXSJJ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000005097 cold rolling Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B21B—ROLLING OF METAL
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- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- B21B39/34—Arrangements or constructional combinations specifically designed to perform functions covered by more than one of groups B21B39/02, B21B39/14, B21B39/20
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- 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
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
- B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
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- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/006—Winding articles into rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/20—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- 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
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- 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
- C21D1/62—Quenching devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
-
- 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
-
- 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
- H05B6/22—Furnaces without an endless core
- H05B6/32—Arrangements for simultaneous levitation and heating
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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
- H05B6/36—Coil arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0064—Uncoiling the rolled product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G54/00—Non-mechanical conveyors not otherwise provided for
- B65G54/02—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- 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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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- 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
- F27—FURNACES; KILNS; OVENS; RETORTS
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- F27D19/00—Arrangements of controlling devices
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Organic Chemistry (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- General Induction Heating (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Articles (AREA)
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Forging (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Manufacture Of Motors, Generators (AREA)
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Abstract
Description
本出願は、「ROTATING MAGNET HEAT INDUCTION」と題され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」と題され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、これらの開示内容は参照によりその全体が本明細書に組み込まれるものとする。
Claims (20)
- 金属ストリップを予備時効する方法であって、
磁気ロータを含む再加熱器で金属ストリップを受け取ることと、
前記再加熱器の前記磁気ロータに隣接した前記金属ストリップを通過させることと、
前記磁気ロータを回転させて前記金属ストリップ内に磁界を誘導して前記金属ストリップを予備時効温度で加熱することと、を含む方法。 - 前記金属ストリップは、前記金属ストリップが圧延された後に、前記再加熱器で受け取られる、請求項1に記載の方法。
- 前記磁気ロータが上部磁気ロータであり、前記再加熱器が、前記上部磁気ロータから垂直方向にオフセットされた下部磁気ロータをさらに含み、磁気ロータに隣接して前記金属ストリップを通過させることは、前記金属ストリップに、前記上部磁気ロータと前記下部磁気ロータとの間に画定される間隙を通過させることを含み、前記磁気ロータを回転させることは、前記上部磁気ロータおよび前記下部磁気ロータを回転させて前記金属ストリップを前記予備時効温度で加熱することを含む、請求項1に記載の方法。
- 前記上部磁気ロータおよび前記下部磁気ロータは水平方向にオフセットされている、請求項3に記載の方法。
- 前記金属ストリップの温度を検出またはモデル化することと、
前記検出またはモデル化された温度を所定の温度と比較することと、
前記磁気ロータを調節して、前記検出された温度が前記所定の温度と一致するように前記金属ストリップの加熱を調節することと、をさらに含む、請求項1に記載の方法。 - 前記磁気ロータを調節することは、前記磁気ロータの回転速度、前記磁気ロータと前記金属ストリップとの間の垂直距離、前記磁気ロータの横方向位置、または前記磁気ロータの回転方向のうちの少なくとも1つを調節することを含む、請求項5に記載の方法。
- 前記再加熱器を通る前記金属ストリップのライン速度を検出することと、
前記ライン速度が所定のライン速度以下であるときに前記磁気ロータを非活動化または制御することと、
前記ライン速度が前記所定のライン速度よりも大きいときに前記磁気ロータを活動化または制御することと、をさらに含む、請求項1に記載の方法。 - 前記金属ストリップの目標特性と、前記目標特性が前記再加熱器による前記金属ストリップの加熱を必要とするかしないかと、を決定することと、
前記目標特性が前記金属ストリップの加熱を必要としない場合には前記磁気ロータを非活動化または制御することと、
前記目標特性が前記金属ストリップの加熱を必要とする場合には前記磁気ロータを活動化または制御することと、をさらに含む、請求項1に記載の方法。 - 前記予備時効温度は約60℃から約150℃である、請求項1に記載の方法。
- 前記再加熱器は第1の再加熱器であり、前記方法は、前記金属ストリップに第2の再加熱器を通過させることをさらに含む、請求項1に記載の方法。
- 前記金属ストリップを前記第1の再加熱器で加熱した後、または前記第1の再加熱器で前記金属ストリップを受け取る前に、前記金属ストリップに前記第2の再加熱器を通過させる、請求項10に記載の方法。
- 前記第2の再加熱器は、非磁性加熱によって前記金属ストリップを加熱するように構成されている、請求項10に記載の方法。
- 前記第2の再加熱器は、ガス駆動再加熱器、赤外線再加熱器、または誘導再加熱器を含む、請求項12に記載の方法。
- 磁気ロータを備える再加熱器を含む予備時効システムであって、
前記磁気ロータは、前記再加熱器を通る金属ストリップのパスラインから所定の距離に配置され、
前記再加熱器は、
前記磁気ロータに隣接した金属ストリップを受け取り、
前記磁気ロータを回転させて前記金属ストリップ内に磁界を誘導して前記金属ストリップを予備時効温度で加熱するように構成されている、予備時効システム。 - 前記磁気ロータの回転速度、前記磁気ロータと前記金属ストリップとの間の垂直距離、前記磁気ロータの横方向位置、または前記磁気ロータの回転方向のうちの少なくとも1つが調節可能である、請求項14に記載の予備時効システム。
- 前記磁気ロータは上部磁気ロータであり、前記再加熱器は、前記上部磁気ロータから垂直方向にオフセットされた下部磁気ロータをさらに含み、前記再加熱器は、
前記上部磁気ロータと前記下部磁気ロータとの間に画定される間隙を通して前記金属ストリップを受け取り、
前記上部磁気ロータおよび前記下部磁気ロータを回転させて前記金属ストリップを前記予備時効温度で加熱するように構成されている、請求項14に記載の予備時効システム。 - 前記予備時効温度は約60℃から約150℃である、請求項14に記載の予備時効システム。
- 前記再加熱器は第1の再加熱器であり、前記予備時効システムは第2の再加熱器をさらに含み、前記第2の再加熱器は非磁性加熱によって前記金属ストリップを加熱するように構成されている、請求項14に記載の予備時効システム。
- 前記第2の再加熱器は、前記第1の再加熱器より上流または前記再加熱器より下流にある、請求項18に記載の予備時効システム。
- 前記第2の再加熱器は、ガス駆動再加熱器または誘導再加熱器を含む、請求項18に記載の予備時効システム。
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