CN113118275A - Cylindrical ultra-deep aluminum alloy fender superplastic forming process method - Google Patents
Cylindrical ultra-deep aluminum alloy fender superplastic forming process method Download PDFInfo
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- CN113118275A CN113118275A CN201911407531.1A CN201911407531A CN113118275A CN 113118275 A CN113118275 A CN 113118275A CN 201911407531 A CN201911407531 A CN 201911407531A CN 113118275 A CN113118275 A CN 113118275A
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- forming
- die
- superplastic
- aluminum alloy
- forming process
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- 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
- 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
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/01—Selection of materials
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a process method for superplastic forming of a cylindrical ultra-deep aluminum alloy fender, belongs to the technical field of metal material processing and forming, and aims to solve the problem that the conventional processing process method cannot use a metal material to process and form an ultra-deep part with the part depth of more than 350 mm.
Description
Technical Field
The invention belongs to the technical field of metal material processing and forming.
Background
The fender part structure of traditional red flag motorcycle type is drum ship formula spatial structure, there is the negative angle all in three directions, the part degree of depth is more than 350mm, it can't use metal material machine-shaping to have led to the fact this part always, but the glass steel material of having adopted easy processing relatively, and all be not as good as metal material in all aspects between the automobile body of fender of glass steel material and metal material, consequently, how to use this kind of drum formula ultra-deep aluminum alloy fender of metal material processing is the technical problem that needs to solve at present.
Disclosure of Invention
In order to solve the problem, the invention provides a cylindrical ultra-deep aluminum alloy fender superplastic forming process method which comprises the following specific steps:
1) preparing a press machine, an inflatable device and a temperature control system; the press machine is a common hydraulic press 1000T; the gas expansion device is a device capable of adjusting the gas outlet pressure of the liquid nitrogen gas bottle; the temperature control system has heating, heat preservation and cooling function systems.
2) Spraying a layer of graphite on the surface of a preformed mold, and heating the preformed mold to 450 ℃;
3) spraying graphite on the front and back surfaces of an aluminum alloy plate, and putting the plate into a pre-forming die when the temperature of the pre-forming die reaches 450 ℃;
4) heating the pre-forming die and the plate material together to 475 ℃, and carrying out hot forming to produce a hot forming process piece;
5) and continuously controlling the temperature at 475 ℃, enabling the press machine to downwards punch at the downward pressing speed of 10mm/S, simultaneously opening an air expansion device to fill nitrogen into the preformed die, enabling the hot forming process piece to be pasted on the upper die of the preformed die when the air pressure is 0.6Mpa and the forming time is 30 +/-10 minutes, completing the reverse expansion forming to generate a pre-superplastic process piece, and enabling the central forming depth of the plate to reach 250 mm.
6) And (3) spraying graphite on the surfaces of the final superplastic die and the pre-superplastic process piece, integrally heating to 475 ℃, and enabling the pre-superplastic process piece to be filmed to the lower die of the final superplastic die within 50 +/-10 minutes under the condition that the air pressure is 0.4-0.6Mpa, so as to finish the final superplastic forming process piece, wherein the forming depth reaches 110mm, and the integral forming depth of the piece reaches 360 mm.
7) And laser cutting, namely performing laser cutting on the final superplastic forming process part to obtain the shape of a product, and performing alkali washing and acid washing on the surface of the product to obtain the cylindrical ultra-deep aluminum alloy fender.
The invention has the beneficial effects that:
according to the invention, through a two-step superplastic forming mode, the forming depth of the center of the plate reaches 250mm in the first step, and the forming depth of the plate reaches 360mm in the second step, so that the problem of ultrahigh deep drawing of metal products is solved, the problem that the cylindrical ultra-deep aluminum alloy fender cannot adopt a product made of a metal material due to the structure of the cylindrical ultra-deep aluminum alloy fender is solved, and metal forming can be realized through the process.
Drawings
FIG. 1 is a schematic structural view of a cylindrical ultra-deep aluminum alloy fender;
FIG. 2 is a view showing a structure of a hot-formed work piece;
FIG. 3 is a view showing a structure of a pre-superplastic forming process part;
FIG. 4 is a drawing of a sheet resulting from final superplastic forming;
fig. 5 is a cylindrical ultra-deep aluminum alloy fender product.
Detailed Description
The technical solution of the invention is further explained and illustrated in the form of specific embodiments.
A cylindrical ultra-deep aluminum alloy fender superplastic forming process method comprises the following specific steps:
1) preparing a press machine, an inflatable device and a temperature control system; the press machine is a common hydraulic press 1000T; the gas expansion device is a device capable of adjusting the gas outlet pressure of the liquid nitrogen gas bottle; the temperature control system has heating, heat preservation and cooling function systems.
2) Spraying a layer of graphite on the surface of a preformed mold, and heating the preformed mold to 450 ℃;
3) spraying graphite on the front and back surfaces of an aluminum alloy plate, and putting the plate into a pre-forming die when the temperature of the pre-forming die reaches 450 ℃;
4) heating the pre-forming die and the plate material together to 475 ℃, and carrying out hot forming to produce a hot forming process piece;
5) and continuously controlling the temperature at 475 ℃, enabling the press machine to downwards punch at the downward pressing speed of 10mm/S, simultaneously opening an air expansion device to fill nitrogen into the preformed die, enabling the hot forming process piece to be pasted on the upper die of the preformed die when the air pressure is 0.6Mpa and the forming time is 30 +/-10 minutes, completing the reverse expansion forming to generate a pre-superplastic process piece, and enabling the central forming depth of the plate to reach 250 mm.
6) And (3) spraying graphite on the surfaces of the final superplastic die and the pre-superplastic process piece, integrally heating to 475 ℃, and enabling the pre-superplastic process piece to be filmed to the lower die of the final superplastic die within 50 +/-10 minutes under the condition that the air pressure is 0.4-0.6Mpa, so as to finish the final superplastic forming process piece, wherein the forming depth reaches 110mm, and the integral forming depth of the piece reaches 360 mm.
7) And laser cutting, namely performing laser cutting on the final superplastic forming process part to obtain the shape of a product, and performing alkali washing and acid washing on the surface of the product to obtain the cylindrical ultra-deep aluminum alloy fender.
Claims (1)
1. A cylindrical ultra-deep aluminum alloy fender superplastic forming process method comprises the following specific steps:
1) preparing a press machine, an inflatable device and a temperature control system; the press machine is a common hydraulic press 1000T; the gas expansion device is a device capable of adjusting the gas outlet pressure of the liquid nitrogen gas bottle; the temperature control system has a heating, heat preservation and cooling function system;
2) spraying a layer of graphite on the surface of a preformed mold, and heating the preformed mold to 450 ℃;
3) spraying graphite on the front and back surfaces of an aluminum alloy plate, and putting the plate into a pre-forming die when the temperature of the pre-forming die reaches 450 ℃;
4) heating the pre-forming die and the plate material together to 475 ℃, and carrying out hot forming to produce a hot forming process piece;
5) continuously controlling the temperature at 475 ℃, enabling the press machine to downwards punch at the downward pressing speed of 10mm/S, simultaneously opening an air expansion device to fill nitrogen into the preformed die, enabling the hot forming process piece to be pasted on an upper die of the preformed die when the air pressure is 0.6Mpa and the forming time is 30 +/-10 minutes, completing the reverse expansion forming to generate a pre-superplastic process piece, and enabling the central forming depth of the plate to reach 250 mm;
6) spraying graphite on the surfaces of a final superplastic die and a pre-superplastic process piece, integrally heating to 475 ℃, and enabling the pre-superplastic process piece to be filmed to a lower die of the final superplastic die for 50 +/-10 minutes under the condition that the air pressure is 0.4-0.6MPa, so as to complete the final superplastic forming process piece, wherein the forming depth reaches 110mm, and the integral forming depth of the piece reaches 360 mm;
7) and laser cutting, namely performing laser cutting on the final superplastic forming process part to obtain the shape of a product, and performing alkali washing and acid washing on the surface of the product to obtain the cylindrical ultra-deep aluminum alloy fender.
Priority Applications (1)
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CN201911407531.1A CN113118275A (en) | 2019-12-31 | 2019-12-31 | Cylindrical ultra-deep aluminum alloy fender superplastic forming process method |
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CN201911407531.1A CN113118275A (en) | 2019-12-31 | 2019-12-31 | Cylindrical ultra-deep aluminum alloy fender superplastic forming process method |
Publications (1)
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CN113118275A true CN113118275A (en) | 2021-07-16 |
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CN201911407531.1A Pending CN113118275A (en) | 2019-12-31 | 2019-12-31 | Cylindrical ultra-deep aluminum alloy fender superplastic forming process method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112091047A (en) * | 2020-06-29 | 2020-12-18 | 上海方柚智能科技有限公司 | Superplastic forming process for automobile parts |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19806761A1 (en) * | 1998-02-18 | 1999-08-19 | Volkswagen Ag | Seat bowl for vehicle seat |
US20040079129A1 (en) * | 2002-10-23 | 2004-04-29 | Krajewski Paul Edward | Method of producing surface features in sheet metal using superplastic forming |
JP2004130350A (en) * | 2002-10-10 | 2004-04-30 | Kobe Steel Ltd | Method for forming aluminum alloy automobile panel |
CN1954935A (en) * | 2005-10-25 | 2007-05-02 | 北京机电研究所 | Inflation shaping process of alluminium alloy vehicle covering |
JP2009056491A (en) * | 2007-08-31 | 2009-03-19 | Kobe Steel Ltd | Press shaping method and press device for aluminum alloy plate |
CN101786128A (en) * | 2010-02-25 | 2010-07-28 | 机械科学研究总院先进制造技术研究中心 | Hot stamping and superplastic gas-bulging combined forming process |
CN103071717A (en) * | 2013-02-04 | 2013-05-01 | 王国峰 | Superplastic forming die for aluminum alloy coating parts for railway vehicles and forming method for superplastic forming die |
CN103358433A (en) * | 2013-07-29 | 2013-10-23 | 北京超塑新技术有限公司 | Super-plastic forming die and method thereof |
CN103394592A (en) * | 2013-07-29 | 2013-11-20 | 北京超塑新技术有限公司 | Superplastic forming mold and superplastic forming method |
CN204620799U (en) * | 2015-05-25 | 2015-09-09 | 北京机电研究所 | A kind of adjustable positive and negative inflation shape test mould |
US20180214924A1 (en) * | 2015-07-20 | 2018-08-02 | Jaswinder Pal Singh | Ultra high strength body and chassis components |
-
2019
- 2019-12-31 CN CN201911407531.1A patent/CN113118275A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19806761A1 (en) * | 1998-02-18 | 1999-08-19 | Volkswagen Ag | Seat bowl for vehicle seat |
JP2004130350A (en) * | 2002-10-10 | 2004-04-30 | Kobe Steel Ltd | Method for forming aluminum alloy automobile panel |
US20040079129A1 (en) * | 2002-10-23 | 2004-04-29 | Krajewski Paul Edward | Method of producing surface features in sheet metal using superplastic forming |
CN1954935A (en) * | 2005-10-25 | 2007-05-02 | 北京机电研究所 | Inflation shaping process of alluminium alloy vehicle covering |
JP2009056491A (en) * | 2007-08-31 | 2009-03-19 | Kobe Steel Ltd | Press shaping method and press device for aluminum alloy plate |
CN101786128A (en) * | 2010-02-25 | 2010-07-28 | 机械科学研究总院先进制造技术研究中心 | Hot stamping and superplastic gas-bulging combined forming process |
CN103071717A (en) * | 2013-02-04 | 2013-05-01 | 王国峰 | Superplastic forming die for aluminum alloy coating parts for railway vehicles and forming method for superplastic forming die |
CN103358433A (en) * | 2013-07-29 | 2013-10-23 | 北京超塑新技术有限公司 | Super-plastic forming die and method thereof |
CN103394592A (en) * | 2013-07-29 | 2013-11-20 | 北京超塑新技术有限公司 | Superplastic forming mold and superplastic forming method |
CN204620799U (en) * | 2015-05-25 | 2015-09-09 | 北京机电研究所 | A kind of adjustable positive and negative inflation shape test mould |
US20180214924A1 (en) * | 2015-07-20 | 2018-08-02 | Jaswinder Pal Singh | Ultra high strength body and chassis components |
Non-Patent Citations (1)
Title |
---|
刘鑫: "快速超塑成形技术在汽车翼子板中的应用", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112091047A (en) * | 2020-06-29 | 2020-12-18 | 上海方柚智能科技有限公司 | Superplastic forming process for automobile parts |
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