WO2016084402A1 - アルミニウム合金板の熱間ブロー成形方法 - Google Patents
アルミニウム合金板の熱間ブロー成形方法 Download PDFInfo
- Publication number
- WO2016084402A1 WO2016084402A1 PCT/JP2015/062104 JP2015062104W WO2016084402A1 WO 2016084402 A1 WO2016084402 A1 WO 2016084402A1 JP 2015062104 W JP2015062104 W JP 2015062104W WO 2016084402 A1 WO2016084402 A1 WO 2016084402A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aluminum alloy
- mold
- alloy plate
- blow molding
- hot blow
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
-
- 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
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
Definitions
- the present invention relates to a method for hot blow molding of an aluminum alloy plate.
- Aluminum alloy plates are used, for example, for parts of transport equipment such as airplanes, railways and automobiles, home appliance parts such as digital cameras, personal computers and lighting equipment, and other various parts.
- a method for forming the aluminum alloy plate into a predetermined shape for example, a press forming method is used.
- the press forming method is not suitable when an aluminum alloy plate is integrally formed into a complicated shape. Therefore, in the past, in order to obtain a molded product with a complicated shape, the molded product was divided into a plurality of parts, a press molded product was produced for each part, and these press molded products were welded and integrated. . However, in this method, the frequency of reworking welding is high, and the productivity is lowered.
- a hot blow molding method has been developed as a method for solving the above problems.
- the hot blow molding method is a method in which high-pressure gas is blown onto an aluminum alloy plate in a high temperature environment, and the aluminum alloy plate is pressed against the inner surface (molding surface) of a female mold for molding.
- Patent Literature 1 discloses a hot blow molding method for an aluminum alloy plate.
- Patent Document 1 only discloses that an aluminum alloy plate is simply radially expanded and integrally formed using a hot blow molding method. For example, when an aluminum alloy plate is integrally formed into a complicated shape, particularly a shape having a deep concave surface, using the hot blow molding method, the following problems occur.
- the method for hot blow molding of an aluminum alloy plate uses the first mold, which is a female mold for molding, having a convex portion on the inner surface, and the second mold for gas introduction. Hot blow molding is performed on the alloy plate, and the temperature (T1) of the aluminum alloy plate and the temperature (T2) of the first mold immediately before the hot blow molding are (T1)-(T2). ⁇ 30 ° C. is satisfied, and (T2) is 400 ° C. or more.
- the aluminum alloy plate is moved within 30 seconds from the start of gas introduction from the second mold. It makes it contact at least one part of the said convex surface part of a 1st metal mold
- the deformation resistance of the portion of the aluminum alloy plate that contacts the convex surface portion of the inner surface of the first mold during the hot blow molding is expressed as the first gold in the aluminum alloy plate.
- the deformation resistance of the portion not in contact with the inner surface of the mold can be made higher.
- molding at the time of hot blow molding can be suppressed.
- FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3. It is sectional drawing which shows the state in which the aluminum alloy plate in Experimental example 1 contacted the molding surface of the 1st type
- FIG. 9 is a cross-sectional view taken along line IX-IX in FIG. 8. It is sectional drawing which shows the state in which the aluminum alloy plate in Experimental example 2 contacted the molding surface of the 1st type
- a hot mold is formed on the aluminum alloy plate by using a first mold that is a female mold for forming a convex portion on the inner surface and a second mold for gas introduction. Perform blow molding.
- the first mold is a concave female mold for forming an aluminum alloy plate into a female mold.
- the inner surface of the first mold is a forming surface for forming the aluminum alloy plate into a predetermined shape.
- a convex surface portion is provided on the inner surface of the first mold.
- the convex surface portion may be configured by a curved surface (R surface or the like), may be configured by a plurality of planes, or a combination thereof.
- the second mold is a gas introduction mold for introducing a high pressure gas for blow molding.
- the distance between the second mold and the aluminum alloy plate is equal to or close to the temperature of the second mold (described later (T3)) and the temperature of the aluminum alloy plate (T1). From the viewpoint, it is better to be as close as possible.
- the distance from the gas introduction surface of the second mold to the aluminum alloy plate is preferably within 50 mm.
- high pressure gas is sprayed onto an aluminum alloy plate, and the aluminum alloy plate is pressed against the inner surface (molding surface) of a first mold that is a female mold for molding.
- a high-pressure gas for blow molding for example, an inert gas such as nitrogen gas is preferably used so that the high-pressure gas and the aluminum alloy plate do not react.
- the temperature (T1) of the aluminum alloy plate and the temperature (T2) of the first mold immediately before the hot blow molding are (T1) ⁇ (T2) ⁇ 30 ° C. And (T2) is 400 ° C. or higher.
- the first in the aluminum alloy plate during hot blow molding is performed.
- the deformation resistance of the portion in contact with the convex portion of the inner surface of the mold needs to be higher than the deformation resistance of the portion not in contact with the inner surface of the first mold in the aluminum alloy plate. Therefore, it is necessary that the temperature (T1) of the aluminum alloy plate and the temperature (T2) of the first mold immediately before the hot blow molding satisfy the relationship of (T1) ⁇ (T2) ⁇ 30 ° C. More preferably, (T1) ⁇ (T2) ⁇ 50 ° C.
- Al—Mg—Si-based aluminum alloy JIS6000-based aluminum alloy; hereinafter referred to as 6000-based aluminum alloy
- 6000-based aluminum alloy which is a heat-treatable alloy
- T2 in order to sufficiently ensure the blow moldability of the aluminum alloy, (T2) needs to be 400 ° C. or higher.
- the aluminum alloy plate in the hot blow molding, is brought into contact with at least a part of the convex portion of the first mold within 30 seconds from the start of gas introduction from the second mold.
- the hot blow molding if the aluminum alloy plate cannot be brought into contact with the convex portion of the inner surface of the first die within 30 seconds from the start of gas introduction from the second die, the first from the aluminum alloy plate. Due to thermal diffusion to the mold, during hot blow molding, the deformation resistance of the portion of the aluminum alloy plate in contact with the convex portion of the inner surface of the first mold and the deformation of the portion not in contact with the inner surface of the first mold The difference from the resistance becomes small, and the crack of the aluminum alloy plate at the convex portion of the inner surface of the first mold cannot be sufficiently suppressed.
- the aluminum alloy plate contacts the entire convex portion of the inner surface of the first die with respect to the aluminum alloy plate.
- the temperature difference between the aluminum alloy plate and the first mold is preferably 30 ° C. or higher. That is, it is preferable to maintain the temperature condition ((T1) ⁇ (T2) ⁇ 30 ° C.) immediately before the hot blow molding. In this case, at the time of hot blow molding, it is possible to more stably suppress the cracking of the aluminum alloy plate that is likely to occur at the convex portion of the inner surface of the first die that is a female die for molding.
- the temperature (T3) of the second mold immediately before the hot blow molding is lower than the melting point of the aluminum alloy plate, and is equal to or higher than the (T1). It may be.
- the temperature (T1) of the aluminum alloy plate immediately before the hot blow is not lowered by controlling the temperature (T3) of the second mold immediately before the hot blow to a predetermined temperature range.
- molding at the time of hot blow molding can be suppressed more stably.
- the temperature (T3) of the second mold is aluminum. It is necessary to control below the melting point of the alloy plate.
- the hot blow molding method of the aluminum alloy plate can be applied to an aluminum alloy plate having a melting point exceeding 430 ° C., and the aluminum alloy may be selected according to use, and therefore the aluminum alloy is not particularly limited.
- the aluminum alloy is not particularly limited.
- the molded product after hot blow molding has strength and appearance quality (surface quality). A balance is required. Therefore, for example, a 5000 series aluminum alloy, a 6000 series aluminum alloy, etc. are mentioned as a suitable aluminum alloy.
- the aluminum alloy plate contains Mg: 1.1% to 6.5%, Fe: 0.01 to 0.3% by mass, with the balance being the balance. It is an aluminum alloy plate made of Al and inevitable impurities, and (T1) may be 550 ° C. or lower. In this case, the strength and appearance quality (surface quality) of the molded product after hot blow molding can be sufficiently secured by using an aluminum alloy plate made of a 5000 series aluminum alloy.
- the 5000 series aluminum alloy constituting the aluminum alloy plate preferably contains Mg: 1.1% to 6.5% from the viewpoint of strength. If the Mg content is less than 1.1%, the strength required for transport equipment parts, home appliance parts, etc. cannot be obtained, and the strength may be insufficient. If the Mg content exceeds 6.5%, cracking may occur during casting or hot rolling.
- the 5000 series aluminum alloy constituting the aluminum alloy plate preferably contains Fe: 0.01 to 0.3% in order to make the crystal grains after completion of hot blow molding fine.
- Fe content 0.01 to 0.3%
- the crystal grains become coarse during hot blow molding, and the surface of the molded product is liable to cause rough skin called orange peel, which may result in poor appearance.
- the Fe content exceeds 0.3%, a coarse crystallized product is likely to be formed during casting, so that cracking may occur during hot rolling.
- the coarsening of crystal grains in the aluminum alloy plate during hot blow molding is affected not only by the chemical components of the aluminum alloy (5000 series aluminum alloy) but also by the hot blow molding conditions.
- the temperature (T1) of the aluminum alloy plate immediately before hot blow molding is preferably 550 ° C. or less, and (T1) is more preferably 530 ° C. or less.
- (T1) exceeds 550 ° C. crystal grains are coarsened during hot blow molding, and orange peel tends to occur on the surface of the molded product, which may cause the appearance of the molded product to be poor.
- the aluminum alloy plate is, in mass%, Si: 0.2% to 2.0%, Mg: 0.2% to 1.5%, Fe: 0.0.
- An aluminum alloy plate containing 01 to 0.3% and the balance being Al and inevitable impurities, and (T1) may be 550 ° C. or less.
- the strength and appearance quality (surface quality) of the molded product after hot blow molding can be sufficiently secured by using an aluminum alloy plate made of a 6000 series aluminum alloy.
- the 6000 series aluminum alloy constituting the aluminum alloy plate preferably contains Si: 0.2% to 2.0% and Mg: 0.2% to 1.5% from the viewpoint of strength. If the Si content is less than 0.2%, or if the Mg content is less than 0.2%, the strength required for transport equipment parts, home appliance parts, etc. may not be obtained, and the strength may be insufficient. is there. When the Si content exceeds 2.0% and the Mg content exceeds 1.5%, a coarse crystallized product is likely to be formed at the time of casting, so that cracking occurs during hot rolling. There is a fear.
- the 6000 series aluminum alloy constituting the aluminum alloy plate preferably contains Fe: 0.01 to 0.3% in order to make fine crystal grains after completion of hot blow molding.
- Fe content 0.01 to 0.3%
- the crystal grains become coarse during hot blow molding, and the surface of the molded product is liable to cause rough skin called orange peel, which may result in poor appearance.
- the Fe content exceeds 0.3%, a coarse crystallized product is likely to be formed during casting, so that cracking may occur during hot rolling.
- the coarsening of crystal grains in the aluminum alloy sheet during hot blow molding is affected not only by the chemical components of the aluminum alloy (6000 series aluminum alloy) but also by hot blow molding conditions.
- the temperature (T1) of the aluminum alloy plate immediately before hot blow molding is preferably 550 ° C. or less, and (T1) is more preferably 530 ° C. or less.
- (T1) exceeds 550 ° C. crystal grains are coarsened during hot blow molding, and orange peel tends to occur on the surface of the molded product, which may cause the appearance of the molded product to be poor.
- Examples of the present invention will be described below in comparison with comparative examples. These examples show one embodiment of the present invention, and the present invention is not limited thereto.
- the obtained aluminum alloy ingot was reheated to 400 ° C., and the ingot was hot-rolled to obtain a hot-rolled plate having a thickness of 5.0 mm.
- the end temperature of hot rolling was 250 ° C.
- the obtained hot-rolled plate was cold-rolled to a thickness of 1.0 mm, and then annealed at 400 ° C. for 1 hour to obtain an aluminum alloy plate for hot blow molding (blank material).
- the molding die 2 has a concave first die 21 that is a female die for molding and a second die 22 for introducing gas.
- the molding die 2 is configured such that the aluminum alloy plate 1 can be sandwiched between the first die 21 and the second die 22.
- the second mold 22 is provided with a gas introduction pipe 221 for introducing a high-pressure gas for blow molding.
- the inner surface (molding surface) 210 of the first mold 21 is provided with a convex surface portion 211 that protrudes toward the inner side of the first mold 21.
- the height of the convex surface portion 211 from the bottom surface of the first mold 21 is 60 mm.
- the apex portion 212 of the convex portion 211 is formed by a curved surface having a curvature radius of 5 mm.
- the gas introduction into the second mold 22 is performed while the aluminum alloy plate 1 is sandwiched between the first mold 21 and the second mold 22 of the molding mold 2.
- a high-pressure gas G was introduced from the tube 221 into the molding die 2 and sprayed onto the aluminum alloy plate 1 from the second die 22 side.
- the aluminum alloy plate 1 was pressed against the inner surface (molding surface) 210 of the first mold 21 and molded into a predetermined shape.
- the distance D between the gas introduction surface of the second mold 22 and the aluminum alloy plate 1 was 50 mm. Nitrogen gas was used as the gas G.
- blow moldability is that the aluminum alloy plate does not break at the convex surface part (particularly the apex part) of the inner surface (molded surface) of the first mold during hot blow molding (O: no break) ), And those in which breakage occurred were regarded as unacceptable (x: with breakage).
- Table 2 shows the results of blow moldability of each sample.
- the forming time in Table 2 is the time from the start of gas introduction until the aluminum alloy plate comes into contact with the convex surface portion of the first mold (from the start of gas introduction to the state shown in FIG. 5).
- Samples 1 to 6 satisfy the relationship of (T1) ⁇ (T2) ⁇ 30 ° C., (T2) is 400 ° C. or higher, and the molding time is within 30 seconds. Samples 1 to 6 did not break at the convex portion of the first mold, and good blow moldability was obtained.
- Samples 7, 8, 10, 11, 14, and 15 do not satisfy the relationship of (T1) ⁇ (T2) ⁇ 30 ° C.
- Sample 17 has (T2) of less than 400 ° C. Samples 7, 8, 10, 11, 14, 15, and 17 were broken at the convex portion of the first mold.
- Samples 9, 12, 13, and 16 did not contact the convex surface portion of the first mold within 30 seconds of the molding time, and contacted the convex surface portion of the first mold after the molding time exceeded 30 seconds.
- sample 13 (T2) is less than 400 degreeC. Samples 9, 12, 13, and 16 were broken at the convex portion of the first mold.
- the molding die 2 has a concave first die 21 that is a female die for molding and a second die 22 for introducing gas.
- the molding die 2 is configured such that the aluminum alloy plate 1 can be sandwiched between the first die 21 and the second die 22.
- the second mold 22 is provided with a gas introduction pipe 221 for introducing a high pressure gas for blow molding.
- the inner surface (molding surface) 210 of the first mold 21 is provided with a convex surface portion 211 that protrudes toward the inner side of the first mold 21.
- the height of the convex surface portion 211 from the bottom surface of the first mold 21 is 70 mm.
- the apex 212 of the convex surface 211 is formed by a curved surface having a curvature radius of 6 mm.
- the gas introduction into the second mold 22 is performed while the aluminum alloy plate 1 is sandwiched between the first mold 21 and the second mold 22 of the molding mold 2.
- a high-pressure gas G was introduced from the tube 221 into the molding die 2 and sprayed onto the aluminum alloy plate 1 from the second die 22 side.
- the aluminum alloy plate 1 was pressed against the inner surface (molding surface) 210 of the first mold 21 and molded into a predetermined shape.
- the distance D between the gas introduction surface of the second mold 22 and the aluminum alloy plate 1 was 50 mm. Nitrogen gas was used as the gas G.
- blow moldability is that the aluminum alloy plate does not break at the convex surface part (particularly the apex part) of the inner surface (molded surface) of the first mold during hot blow molding (O: no break) ), And those in which breakage occurred were regarded as unacceptable (x: with breakage).
- Table 3 shows the results of blow moldability and orange peel occurrence of each sample.
- the molding time in Table 3 is the time from the start of gas introduction until the aluminum alloy plate comes into contact with the convex surface portion of the first mold (from the start of gas introduction until the state shown in FIG. 10 described above).
- Samples 18 to 23 satisfy the relationship of (T1) ⁇ (T2) ⁇ 30 ° C., (T2) is 400 ° C. or higher, and the molding time until contact with the convex portion of the inner surface of the first mold is 30 seconds. Was within. In Samples 18 to 23, breakage did not occur at the convex portion of the first mold, and good blow moldability was obtained. Further, no orange peel occurred on the surface of the molded product after molding.
- Samples 24, 25, 27, 28, 31, and 32 do not satisfy the relationship of (T1) ⁇ (T2) ⁇ 30 ° C.
- Sample 34 has (T2) less than 400 ° C. Samples 24, 25, 27, 28, 31, 32, and 34 were broken at the convex portion of the first mold.
- Samples 26, 29, 30, and 33 did not contact the convex portion of the first mold within a molding time of 30 seconds. Then, after the molding time exceeded 30 seconds, the convex surface portion of the first mold was contacted. Among these, as for the sample 30, (T2) is less than 400 degreeC. Samples 26, 29, 30, and 33 were broken at the convex portion of the first mold.
- (T1) of the samples 28 and 32 exceeds 550 ° C.
- orange peel occurred on the surface of the molded product after molding.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
21…第1金型
210…内面(第1金型の内面)
211…凸面部
22…第2金型
<アルミニウム合金板(ブランク材)>
表1に示す化学組成を有するアルミニウム合金をDC鋳造により造塊し、同表に示す条件で均質化処理を行った後、室温まで冷却した。なお、表1における「Bal.」とは、残部(Balance)を意味する。また、アルミニウム合金5023、アルミニウム合金5083、アルミニウム合金6016の融点は、それぞれ562℃、574℃、588℃である。
(実施例1)
<成形用金型>
図1、図2に示すように、成形用金型2は、成形用雌型である凹状の第1金型21とガス導入用の第2金型22とを有する。成形用金型2は、第1金型21と第2金型22とによりアルミニウム合金板1を挟持することができるよう構成されている。第2金型22には、ブロー成形用の高圧のガスを導入するためのガス導入管221が設けられている。
図5、図6に示すように、アルミニウム合金板1に対し、前述の成形用金型2を用いて、各種条件を変更した熱間ブロー成形を行った。各種条件である熱間ブロー成形直前のアルミニウム合金板の温度(T1)、熱間ブロー成形直前の第1金型の温度(T2)、熱間ブロー成形直前の第2金型の温度(T3)、ガス圧については、後述の表2に示した。ガス圧は、0.98~0.99MPaの場合、四捨五入して1MPaと表記した。
<成形用金型>
図7に示すように、成形用金型2は、成形用雌型である凹状の第1金型21とガス導入用の第2金型22とを有する。成形用金型2は、第1金型21と第2金型22とによりアルミニウム合金板1を挟持することができるよう構成されている。第2金型22には、ブロー成形用の高圧ガスを導入するためのガス導入管221が設けられている。
図10、図11に示すように、アルミニウム合金板1に対し、前述の成形用金型2を用いて、各種条件を変更した熱間ブロー成形を行った。各種条件である熱間ブロー成形直前のアルミニウム合金板の温度(T1)、熱間ブロー成形直前の第1金型の温度(T2)、熱間ブロー成形直前の第2金型の温度(T3)、ガス圧については、後述の表3に示した。ガス圧は、0.98~0.99MPaの場合、四捨五入して1MPaと表記した。
熱間ブロー成形後の成形品の表面について、接触式の表面粗さ計を用いて表面凹凸を測定し、最大高さRz≦20μmを合格(○:発生無し)とし、最大高さRz>20μmを不合格(×:発生有り)とした。
表3に、各試料のブロー成形性、オレンジピールの発生状況の結果を示す。表3中の成形時間は、ガス導入開始からアルミニウム合金板が第1金型の凸面部に接触するまで(ガス導入開始から前述の図10の状態となるまで)の時間である。
Claims (4)
- アルミニウム合金板の熱間ブロー成形方法であって、
内面に凸面部を有する成形用雌型である第1金型とガス導入用の第2金型とを用いて、前記アルミニウム合金板に対して熱間ブロー成形を行い、
該熱間ブロー成形の直前における、前記アルミニウム合金板の温度(T1)と前記第1金型の温度(T2)とが(T1)-(T2)≧30℃の関係を満たし、かつ、前記(T2)が400℃以上であり、
前記熱間ブロー成形では、前記第2金型からのガス導入開始から30秒以内に、前記アルミニウム合金板を前記第1金型の前記凸面部の少なくとも一部に接触させることを特徴とするアルミニウム合金板の熱間ブロー成形方法。 - 前記熱間ブロー成形の直前における、前記第2金型の温度(T3)は、前記アルミニウム合金板の融点未満であり、かつ、前記(T1)以上であることを特徴とする請求項1に記載のアルミニウム合金板の熱間ブロー成形方法。
- 前記アルミニウム合金板は、質量%で、Mg:1.1%~6.5%、Fe:0.01~0.3%を含有し、残部がAl及び不可避的不純物からなるアルミニウム合金板であり、前記(T1)は、550℃以下であることを特徴とする請求項1又は2に記載のアルミニウム合金板の熱間ブロー成形方法。
- 前記アルミニウム合金板は、質量%で、Si:0.2%~2.0%、Mg:0.2%~1.5%、Fe:0.01~0.3%を含有し、残部がAl及び不可避的不純物からなるアルミニウム合金板であり、前記(T1)は、550℃以下であることを特徴とする請求項1又は2に記載のアルミニウム合金板の熱間ブロー成形方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2968802A CA2968802C (en) | 2014-11-24 | 2015-04-21 | Hot blow forming method for aluminum alloy sheet |
US15/528,941 US10807142B2 (en) | 2014-11-24 | 2015-04-21 | Hot blow forming method for aluminum alloy sheet |
JP2016561412A JP6294507B2 (ja) | 2014-11-24 | 2015-04-21 | アルミニウム合金板の熱間ブロー成形方法 |
EP15863475.8A EP3225323B1 (en) | 2014-11-24 | 2015-04-21 | Hot blow molding method for aluminum alloy sheet |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462083627P | 2014-11-24 | 2014-11-24 | |
US62/083,627 | 2014-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016084402A1 true WO2016084402A1 (ja) | 2016-06-02 |
Family
ID=56073987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/062104 WO2016084402A1 (ja) | 2014-11-24 | 2015-04-21 | アルミニウム合金板の熱間ブロー成形方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10807142B2 (ja) |
EP (1) | EP3225323B1 (ja) |
JP (1) | JP6294507B2 (ja) |
CA (1) | CA2968802C (ja) |
WO (1) | WO2016084402A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04167931A (ja) * | 1990-11-01 | 1992-06-16 | Mitsubishi Heavy Ind Ltd | 超塑性成形における板厚制御方法 |
JP2008062255A (ja) * | 2006-09-05 | 2008-03-21 | Kobe Steel Ltd | キャビティ発生の少ないAl−Mg−Si系アルミニウム合金板の超塑性成形方法およびAl−Mg−Si系アルミニウム合金成形板 |
DE102008014103A1 (de) * | 2008-03-13 | 2009-09-17 | Daimler Ag | Verfahren zur Herstellung von Blechenformteilen durch Umformung |
JP2012076138A (ja) * | 2010-10-05 | 2012-04-19 | Furukawa-Sky Aluminum Corp | 超塑性成形品の製造方法 |
WO2013171884A1 (ja) * | 2012-05-17 | 2013-11-21 | 新日鐵住金株式会社 | 金属材料の塑性加工方法及び塑性加工装置 |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2939002A1 (de) * | 1979-09-26 | 1981-04-02 | Linhardt & Co Metallwarenfabrik, 8374 Viechtach | Becher aus aluminium und verfahren und vorrichtung zu dessen herstellung |
US4352280A (en) * | 1980-05-16 | 1982-10-05 | Rockwell International Corporation | Compression forming of sheet material |
US5085068A (en) * | 1991-01-16 | 1992-02-04 | Extrude Hone Corporation | Die forming metallic sheet materials |
US5591369A (en) * | 1991-04-05 | 1997-01-07 | The Boeing Company | Method and apparatus for consolidating organic matrix composites using induction heating |
US5645744A (en) * | 1991-04-05 | 1997-07-08 | The Boeing Company | Retort for achieving thermal uniformity in induction processing of organic matrix composites or metals |
US6087640A (en) * | 1991-10-15 | 2000-07-11 | The Boeing Company | Forming parts with complex curvature |
US5914064A (en) * | 1991-10-15 | 1999-06-22 | The Boeing Company | Combined cycle for forming and annealing |
US5649438A (en) * | 1994-06-14 | 1997-07-22 | Owens-Corning Fiberglas Technology, Inc. | Method and apparatus for pneumatic forming of thin foil materials |
US5749254A (en) * | 1994-10-25 | 1998-05-12 | Owens-Corning Fiberglas Technology, Inc. | Air bearing assist in pneumatic forming of thin foil materials |
US6880377B2 (en) * | 2002-10-17 | 2005-04-19 | General Motors Corporation | Method for double action gas pressure forming sheet material |
US6886383B2 (en) * | 2002-11-04 | 2005-05-03 | General Motors Corporation | Method for stretch forming sheet metal by pressing and the application of gas pressure |
US7112249B2 (en) * | 2003-09-30 | 2006-09-26 | General Motors Corporation | Hot blow forming control method |
US7210323B2 (en) * | 2003-12-16 | 2007-05-01 | General Motors Corporation | Binder apparatus for sheet forming |
US7028519B2 (en) * | 2004-01-12 | 2006-04-18 | General Motors Corporation | High throughput quick-plastic-forming |
US7049548B1 (en) * | 2005-03-21 | 2006-05-23 | The Boeing Company | System and method for processing a preform vacuum vessel to produce a structural assembly |
TW200833434A (en) * | 2006-09-04 | 2008-08-16 | Ind Origami Inc | Apparatus for forming large-radii curved surfaces and small-radii creases in sheet material |
US7389665B1 (en) * | 2006-11-30 | 2008-06-24 | Ford Motor Company | Sheet metal forming process |
US7472572B2 (en) * | 2007-04-26 | 2009-01-06 | Ford Global Technologies, Llc | Method and apparatus for gas management in hot blow-forming dies |
US20090272171A1 (en) * | 2008-05-05 | 2009-11-05 | Ford Global Technologies, Llc | Method of designing and forming a sheet metal part |
US10843291B2 (en) * | 2008-11-15 | 2020-11-24 | The Boeing Company | Welding in preparation for superplastic forming |
US7997110B2 (en) * | 2009-01-30 | 2011-08-16 | GM Global Technology Operations LLC | Cleaning dies for hot forming of aluminum sheets |
US8297091B2 (en) * | 2009-06-03 | 2012-10-30 | GM Global Technology Operations LLC | Nanocomposite coating for hot metal forming tools |
US20110239721A1 (en) * | 2010-04-06 | 2011-10-06 | Gm Global Technology Operations, Inc. | Fluid cooling during hot-blow-forming of metal sheets and tubes |
CN103260784B (zh) * | 2010-12-17 | 2016-06-15 | 麦格纳国际公司 | 用于由多个片状金属坯料形成成形制品的设备和方法 |
CN202803878U (zh) * | 2011-12-22 | 2013-03-20 | 黄启瑞 | 金属板材的成型系统 |
EP3055087B1 (en) * | 2013-10-10 | 2018-05-30 | Rohr, Inc. | Method of forming a complexly curved metallic sandwich panel |
EP2907597B1 (en) * | 2014-02-17 | 2016-02-17 | C.R.F. Società Consortile per Azioni | Method for forming a sheet made of an aluminium alloy by high pressure into a component of complex shape, particularly a motor-vehicle component |
US9511404B1 (en) * | 2015-07-01 | 2016-12-06 | Po Ming Huang | Sheet molding device |
US10166590B2 (en) * | 2015-09-25 | 2019-01-01 | Tesla, Inc. | High speed blow forming processes |
US10189227B2 (en) * | 2015-10-14 | 2019-01-29 | GM Global Technology Operations LLC | Tailored panel assembly and method of manufacturing the same |
US9919352B2 (en) * | 2015-12-28 | 2018-03-20 | Spirit Aerosystems, Inc. | Apparatus and method for stabilizing a formable material while forming |
KR101773803B1 (ko) * | 2015-12-29 | 2017-09-12 | 주식회사 성우하이텍 | 멀티 성형 방법 |
-
2015
- 2015-04-21 WO PCT/JP2015/062104 patent/WO2016084402A1/ja active Application Filing
- 2015-04-21 CA CA2968802A patent/CA2968802C/en active Active
- 2015-04-21 US US15/528,941 patent/US10807142B2/en active Active
- 2015-04-21 EP EP15863475.8A patent/EP3225323B1/en active Active
- 2015-04-21 JP JP2016561412A patent/JP6294507B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04167931A (ja) * | 1990-11-01 | 1992-06-16 | Mitsubishi Heavy Ind Ltd | 超塑性成形における板厚制御方法 |
JP2008062255A (ja) * | 2006-09-05 | 2008-03-21 | Kobe Steel Ltd | キャビティ発生の少ないAl−Mg−Si系アルミニウム合金板の超塑性成形方法およびAl−Mg−Si系アルミニウム合金成形板 |
DE102008014103A1 (de) * | 2008-03-13 | 2009-09-17 | Daimler Ag | Verfahren zur Herstellung von Blechenformteilen durch Umformung |
JP2012076138A (ja) * | 2010-10-05 | 2012-04-19 | Furukawa-Sky Aluminum Corp | 超塑性成形品の製造方法 |
WO2013171884A1 (ja) * | 2012-05-17 | 2013-11-21 | 新日鐵住金株式会社 | 金属材料の塑性加工方法及び塑性加工装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3225323A4 * |
Also Published As
Publication number | Publication date |
---|---|
JPWO2016084402A1 (ja) | 2017-09-28 |
US20170341123A1 (en) | 2017-11-30 |
EP3225323A1 (en) | 2017-10-04 |
CA2968802C (en) | 2019-08-13 |
US10807142B2 (en) | 2020-10-20 |
JP6294507B2 (ja) | 2018-03-14 |
EP3225323B1 (en) | 2021-09-29 |
EP3225323A4 (en) | 2018-05-23 |
CA2968802A1 (en) | 2016-06-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5858208B1 (ja) | 高強度容器用鋼板及びその製造方法 | |
JP2006265700A (ja) | 高温特性に優れたボトル缶用アルミニウム合金板 | |
JP4019083B2 (ja) | 高温特性に優れたボトル缶用アルミニウム合金冷延板 | |
JP5018843B2 (ja) | 高加工性3ピース溶接缶用鋼板およびその製造方法 | |
JP2009160655A (ja) | フランジ付き成形部材のプレス成形方法 | |
CN107002185A (zh) | 适合于铝瓶的高速生产的铝合金及其制造工艺 | |
TWI493053B (zh) | 三片式罐體及其製造方法 | |
JP2011137223A (ja) | 缶用鋼板およびその製造方法 | |
TWI650427B (zh) | 鈦板 | |
WO2014003074A1 (ja) | ブロー成形用アルミニウム合金板およびその製造方法 | |
JP6294507B2 (ja) | アルミニウム合金板の熱間ブロー成形方法 | |
JP2007023340A (ja) | 陽圧缶蓋用アルミニウム合金板及びその製造方法 | |
JP2015151620A (ja) | 缶用鋼板および缶用鋼板の製造方法 | |
JP2008163390A (ja) | 異型缶用鋼板 | |
JP2006265702A (ja) | 高温特性に優れたボトル缶用アルミニウム合金冷延板 | |
JP2005138112A (ja) | プレス加工方法 | |
JP6468405B1 (ja) | 鋼板およびその製造方法と王冠およびdrd缶 | |
JP2008144221A (ja) | キャップ用アルミニウム合金板及びその製造方法 | |
JP2004353079A (ja) | キャップ用アルミニウム合金板及びその製造方法 | |
JP4392263B2 (ja) | 包装容器エンド用アルミニウム合金板およびその製造方法 | |
JP2004353080A (ja) | キャップ用アルミニウム合金板及びその製造方法 | |
KR20170104586A (ko) | 병마개용 강판, 병마개용 강판의 제조 방법 및 병마개 | |
JP2023006447A (ja) | タブ用アルミニウム合金塗装板 | |
JPH09118928A (ja) | フランジ加工性およびネック成形性に優れる溶接缶用鋼板の製造方法 | |
JP2005042195A (ja) | 耐胴切れ性に優れるボトル缶用アルミニウム合金板 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15863475 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016561412 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15528941 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2968802 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2015863475 Country of ref document: EP |