WO2012121445A1 - 고표면적을 가지는 다공성 금속폼 콘 어셈블리의 제조방법 - Google Patents
고표면적을 가지는 다공성 금속폼 콘 어셈블리의 제조방법 Download PDFInfo
- Publication number
- WO2012121445A1 WO2012121445A1 PCT/KR2011/001940 KR2011001940W WO2012121445A1 WO 2012121445 A1 WO2012121445 A1 WO 2012121445A1 KR 2011001940 W KR2011001940 W KR 2011001940W WO 2012121445 A1 WO2012121445 A1 WO 2012121445A1
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- WO
- WIPO (PCT)
- Prior art keywords
- metal foam
- metal
- cone
- connector
- sheet
- Prior art date
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Classifications
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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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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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
- B21D51/00—Making hollow objects
- B21D51/02—Making hollow objects characterised by the structure of the objects
- B21D51/10—Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects
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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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
- B21D5/086—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers for obtaining closed hollow profiles
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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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- the present invention relates to a porous metal foam cone assembly, and more particularly to a method for manufacturing a porous metal foam cone assembly having a high surface area used in the smoke reduction device.
- Fuel injector sleeves for internal combustion engines had limitations in the manufacture of various types of filtration or flame distribution, and even in the case of application of metal foam, only a roll type or a stack type of a multilayer structure was possible.
- the filter is a part used in the burner system to minimize the uniform flame and fuel leak, and it has been difficult to limit the difficulty of the part due to the durability of the part in the high temperature extreme environment. there was.
- the present invention is devised to solve the above problems, and an object of the present invention is to provide a method of manufacturing a metal foam assembly in the form of a cone or cylinder using a sintered metal foam having a high surface area.
- Method for producing a porous metal foam cone for achieving the above object is to provide a porous metal foam sheet, using a cutting press equipped with a knife tool to form a porous metal foam sheet of a certain shape Cutting the metal foam sheet, and placing the cut metal foam sheet on a base plate of a forming die, and then primarily forming the metal foam sheet using a cone-shaped mandrel. Secondly forming the metal foam sheet by the left and right sliders of H and pressing the overlapping portion of the metal foam sheet onto the stamping jig of the forming die after forming by the slider.
- Method for producing a porous metal foam cap comprises the steps of providing a porous metal foam frame, cutting the porous metal foam sheet in a circular shape using a cutting press equipped with a knife tool, the circular Disposing a sheet of metal foam on a second forming die equipped with an upper punch and a lower punch, and preliminarily forming the circular metal foam sheet by pressing the upper punch against the lower punch.
- a method of manufacturing a metal foam cone assembly including mounting the metal foam cone on an assembly jig, and placing the metal foam cap on an upper end of the one end of the metal foam cone, and punching an upper punch. And pressing the overlapping metal foam cone and the metal foam cap by pressing.
- the method of manufacturing the metal foam cone assembly further includes coupling a metal connector to one end of the metal foam cone assembly.
- the coupling of the metal connector is characterized in that the powder paste of powder and binder solution is applied to the metal foam cone and the metal connector, and then bonded by a connector assembly jig and then sintered.
- the coupling of the metal connector is characterized in that the coupling by pressing the one end of the metal foam cone assembly between the inner ring (inner ring) and the metal connector.
- the coupling of the metal connector is characterized in that by coupling the end of the metal foam cone assembly between the inner ring (inner ring) and the metal connector by spot welding (spot welding).
- the porous metal foam cone assembly has a high surface area.
- a fuel injector sleeve according to another embodiment of the present invention is manufactured by any of the above methods.
- porous metal foam cone assembly according to the present invention has the following effects.
- the metal foam cone assembly By applying the metal foam cone assembly to a fuel injection sleeve or the like, it can be used for various types of filtration or flame distribution applications.
- 1 is a manufacturing process of the porous metal foam cone assembly coupled to the metal connector in the present invention.
- Figure 2 is a perspective view of a porous metal foam cone assembly coupled to the metal connector according to the present invention.
- 3 to 6 are views showing a cutting process of the porous metal foam cap and cone according to the present invention.
- FIG. 7 to 11 are views showing a manufacturing process of the porous metal foam cone according to the present invention.
- FIGS. 12 to 15 are views showing a process of manufacturing a metal foam cone assembly by preforming the porous metal foam cap according to the present invention, combining the metal foam cone and the cap.
- 16 to 18 are views illustrating a process of mechanically coupling a metal connector, a metal foam cone assembly, and an inner ring by introducing an inner ring.
- FIG. 1 is a flow chart of a manufacturing process of a porous metal foam cone assembly coupled to a metal connector.
- the method of manufacturing a porous metal foam cone assembly includes providing a porous metal foam sheet (S10), cutting a metal foam sheet (S20), and forming the metal foam by a forming die. Forming a sheet in the form of a cone (S30), coupling a metal foam cap to one end of the metal foam cap (S40), and coupling a metal connector to the other end of the metal foam cone (S50).
- Figure 2 is a perspective view of a porous metal foam cone assembly coupled to the metal connector produced by the present invention.
- the method of manufacturing a porous metal foam cone is to provide a porous metal foam sheet, using a cutting press equipped with a knife tool to cut the porous metal foam sheet to a certain shape And placing the cut metal foam sheet on a base plate of a forming die, and then primarily forming the metal foam sheet using a cone-shaped jig, the left side of the forming die And secondly forming the metal foam sheet by the right slider, and pressing the overlapping portion of the metal foam sheet onto the stamping jig of the forming die after forming by the slider.
- the porous metal foam sheet may be a nickel-based or aluminum-based open porous metal foam sheet.
- the metal foam has a cell structure composed of a solid metal including a large volume fraction of pores, and the open porous metal foam forms a network in which the pores are interconnected therein.
- the porous metal foam is cut into a predetermined shape by using a cutting press 40 having a cutting tool or knife tools 3 and 5.
- the metal foam may be cut to be in the form of a cone or a cylinder (cylindrical) when the cut metal foam is rolled.
- the metal foam cut into a predetermined shape is placed on the base plate 51 of the forming die 50 to achieve a desired shape.
- the surface of the base plate 51 on which the metal foam is disposed has a concave shape so as to be rolled in a U-shape when the metal foam is pressed from above.
- the mandrel 52 is pressed by the mandrel 52 by pressing a mandrel 52 of a predetermined shape, preferably a cone or cylinder form, to the metal foam disposed on the base plate 51.
- a mandrel 52 of a predetermined shape preferably a cone or cylinder form
- the metal foam has edge portions. Keep it overlapping.
- the edge portion is of a constant length when rolled to surround the outer periphery of the mandrel 52 by the left and right sliders 53a and 53b. It is cut loosely so that it overlaps.
- the overlapping portion of the metal foam sheet is pressurized using a stamping jig 54 of the forming die so that the overlapping portion is physically sealed.
- the metal foam sheet may be provided in a plurality of layers to manufacture a metal foam cone having a multilayer structure.
- the method of manufacturing a porous metal foam cap for the implementation of the present invention comprises the steps of providing a porous metal foam sheet, cutting the porous metal foam sheet in a circular shape using a cutting press equipped with a knife tool, the circular Disposing a sheet of metal foam on a cap forming die equipped with an upper punch and a lower punch, and preliminarily forming the circular metal foam sheet by pressing the upper punch against the lower punch.
- the porous metal foam sheet for the production of the cap is the same material as the above-described open porous metal foam.
- the metal foam sheet is cut into a circular shape by using the cutting press 40 provided with the knife tool 5.
- the circular metal foam is disposed on a lower punch 73 having a flat protrusion smaller than the diameter of the metal foam, and then a tapered recess having a diameter equal to or larger than that of the metal foam and decreasing in diameter toward the inside thereof.
- the method for manufacturing a metal foam cone assembly includes the steps of mounting the metal foam cone manufactured by the above-described method to the assembly jig 79, and the metal foam cap manufactured by the above-described method ( 20) disposed on the upper end of the one end of the metal foam cone, by pressing by the upper punch 77 and the metal foam cone 10 and the metal foam cap 20 is overlapping and engaging.
- the metal foam cone assembly is mounted to the assembly jig 79 for seating the metal foam cone, and then the metal foam can is disposed at the end of the small diameter of the metal foam cone to the upper punch 77. By pressing, the metal foam cone and the metal foam cap can be sealed.
- the metal foam cone 10 and the metal foam cap 20 have an open porous structure, the metal foam cone 10 and the metal foam cap 20 are pressurized to each other so that the metal foam of the cell structure can be networked together to be mechanically sealed.
- the metal foam cone assembly further comprises coupling the metal connector 30 to one end of the assembly.
- the metal foam cone assembly may couple the metal connector 30 for coupling with the counterpart for application as a final product.
- the coupling of the metal connector 30 is to apply a powder paste of a powder and a binder solution to the metal foam cone assembly and the metal connector 30, and then bonded by a connector assembly jig and then sintered. Can be.
- the powder paste is made by mixing a powder material of the same or similar component as the metal foam in a binder solution, and applying the paste to the contact area when the metal foam and the metal connector are combined.
- the powder paste may be prepared in the form of a slurry by mixing nickel or nickel-based powder with an aqueous polyvinylpyrrolidone solution in a constant ratio.
- the mixing ratio of the powder and the polypyrrolidone aqueous solution may be made up of 86% powder and 14% polypyrrolidone aqueous solution.
- the grain size of the powder is preferably 32 ⁇ m or less.
- the polypyrrolidone aqueous solution may be prepared by mixing the polypyrrolidone powder in a ratio of 10g to 90g of water.
- the metal foam cone assembly and the metal connector 30 may be mounted by sintering at a constant temperature. Make it more stable to bond.
- the coupling of the metal connector may be coupled by pressing one end of the metal foam cone assembly between the inner ring (35) and the metal connector (30).
- a plurality of protrusions 37 may be formed along the circumference of the inner ring 35 on the surface of the inner ring 35 which is in contact with the metal connector 30, and the inner ring 35 may be formed.
- the corresponding portion of the metal connector 30 in contact with the c) is formed with a groove through which the protrusion 37 of the inner ring 35 can pass.
- the inner ring may be pressed by pressing the protrusion 37 of the inner ring 35 protruding from the groove of the metal connector 30.
- the protrusion 37 of the 35 is pressed to the outside of the metal connector 30 so that the inner ring 35, the metal foam assembly, and the metal connector 30 are stably coupled.
- the coupling of the metal connector 30 is to fasten one end of the metal foam cone assembly between the inner ring (35) and the metal connector 30, the inner ring 35 and the metal The parts can be joined by spot welding the connector 30.
- a fuel injector sleeve can be produced. That is, the porous metal foam cone assembly coupled to the metal connector is applicable to the fuel injector sleeve.
- 3 to 6 is a view showing a cutting process of the porous metal foam cap and cone according to the present invention.
- FIGS. 4 and 5 show the shape of a knife tool for cutting the metal foam into a cone shape and a circle shape, respectively.
- FIG. 6 is a view illustrating a metal foam cone 10 and a metal foam cap 20 cut using a cutting press equipped with the knife tool.
- FIG. 7 is a view illustrating a forming die for manufacturing a metal foam cone in a dried state in the shape of a mandrel 52 using the cut preliminary metal foam cone 10.
- the preliminary metal foam cone 7 is placed between the mandrel 52 and the base plate 51.
- the base plate 51 on which the preliminary metal foam cone 7 is disposed is formed with a concave groove into which the mandrel 52 and the preliminary metal foam cone 7 can be inserted.
- the preliminary metal foam cone 7 is formed into the shape of the mandrel 52 along the outer circumference of the mandrel 52 by the left and right sliders 53a and 53b, the left and right sliders 53a and 53b.
- the boundary of the metal foam, which is dried by) overlaps one edge of the metal foam past the other edge.
- FIG. 10 is a view showing that the overlapping portion is sealed by pressing the overlapping portion of the metal foam by the stamping jig 54.
- FIG. 11 is a view illustrating a metal foam 60 having a cone shape formed by the forming die 50.
- FIG. 13 to 15 show that the above-described metal foam cone is mounted on the assembly jig 79, and then applied to the upper punch 77 to bond the metal foam cone and the cap while overlapping to manufacture the metal foam cone assembly.
- the figure shown. 15 is a view showing a manufactured metal foam cone assembly.
- Slurry (paste) of a mixture of nickel-based powder and polyvinylpyrrolidone aqueous solution was applied to the joint portion of the metal foam cone assembly and the metal connector, and the metal foam cone assembly was mounted on the metal connector assembly jig and then bonded.
- the metal foam cone assembly to which the connector is stably coupled may be manufactured by sintering the metal foam cone assembly to which the metal connector is coupled.
- 16 to 18 introduce an inner ring 35 to arrange the inner ring 35 between the metal foam cone assembly and the metal connector 30, and the inner ring 35 and the metal.
- Protrusions 37 are formed on the surface of the inner ring 35 that the connector 30 contacts, and holes are formed in the connector 30 that the inner ring 35 and the metal connector 30 contact.
- the inner ring 35 and the metal connector 30 are combined, the protrusion of the inner ring 35 is pressed to contact the protrusion 37 with the metal connector 30 in a pressed state.
- 30 shows that the cone assembly 30 is stably coupled.
- the inner ring 35 and the metal connector 30 After joining the cone assembly, the inner ring 35 and the metal connector 30, the contact portion of the inner ring 35 and the metal connector 30 along the circumference of the inner ring in three spot welding ( spot welding) to fabricate a metal foam cone assembly in which the metal connector 30 is coupled.
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Abstract
Description
Claims (9)
- 다공성의 금속폼 시트(sheet)를 제공하는 단계;나이프 툴(knife tool)이 구비된 컷팅 프레스기를 이용하여 상기 다공성의 금속폼 시트를 일정한 형상으로 컷팅하는 단계;컷팅된 상기 금속폼 시트를 포밍 다이(forming die)의 베이스 플레이트상에 배치한 후 콘(cone) 형상의 맨드릴(mandrel)을 이용하여 상기 금속폼 시트를 일차적으로 포밍하는 단계;상기 포밍 다이의 좌측 및 우측 슬라이더에 의해 상기 금속폼 시트를 이차적으로 포밍하는 단계; 및상기 슬라이더에 의해 포밍한 후 상기 금속폼 시트의 오버랩 부분을 상기 포밍 다이의 스탬핑 지그로 프레싱하는 단계;를 포함하는 다공성 금속폼의 콘(cone) 제조방법.
- 다공성 금속폼 시트를 제공하는 단계;나이프 툴이 구비된 커팅 프레스기를 이용하여 상기 다공성의 금속폼 시트를 원형으로 컷팅하는 단계;상기 원형의 금속폼 시트를 상부 펀치와 하부 펀치가 장착된 캡 포밍 다이에 배치하는 단계;상기 상부 펀치를 상기 하부 펀치에 대하여 가압하여 상기 원형의 금속폼 시트를 예비적으로 성형하는 단계;를 포함하는 다공성 금속폼의 캡(cap) 제조방법.
- 제 1 항에 의해 제조된 금속폼 콘을 조립용 지그에 장착하는 단계; 및제 2 항에 의해 제조된 금속폼 캡을 상기 금속폼 콘의 일단의 상부에 배치하고,상부 펀치에 의해 가압함으로써 상기 금속폼 콘과 상기 금속폼 캡이 오버랩 되어 물리적으로 결합시키는 단계;를 포함하는 금속폼 콘 어셈블리의 제조방법.
- 제 3 항에 있어서,상기 금속폼 콘 어셈블리 일단에 금속 커넥터를 결합시키는 단계를 더 포함하는 금속폼 콘 어셈블리의 제조방법.
- 제 4 항에 있어서,상기 금속 커넥터의 결합은 분말과 바인더 용액의 분말 페이스트를상기 금속폼 콘 어셈블리 및 금속 커넥터에 도포한 후 커넥터 조립 지그에 의해 결합한 후 소결(sintering)시키는 것을 특징으로 하는 금속폼 콘 어셈블리의 제조방법.
- 제 4 항에 있어서,상기 금속 커넥터의 결합은 이너링(innter ring)과 상기 금속 커넥터의 사이에 상기 금속폼 콘 어셈블리의 일단을 체결한 후 가압하여 결합시키는 것을 특징으로 하는 금속폼 콘 어셈블리의 제조방법.
- 제 4 항에 있어서,상기 금속 커넥터의 결합은 이너링(inner ring)과 상기 금속 커넥터의 사이에 상기 금속폼 콘 어셈블리의 일단을 체결한 후 스폿 용접(spot welding)에 의해 결합시키는 것을 특징으로 하는 금속폼 콘 어셈블리의 제조방법.
- 제 3 항 내지 제 7 항 중 어느 한 항의 방법에 의해 제조되는 고표면적을 가지는 다공성 금속폼 콘 어셈블리.
- 제 4 항 내지 제 7 항 중 어느 한 항의 방법에 의해 제조되는 연료분사기 슬리브(fuel injector sleeve).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201180069165.9A CN103402668B (zh) | 2011-03-10 | 2011-03-22 | 具有高表面积的多孔性金属泡沫锥形组件的制造方法 |
US14/003,521 US9296032B2 (en) | 2011-03-10 | 2011-03-22 | Method of manufacturing porous metal foam cone assembly having high surface area |
DE112011104914T DE112011104914T5 (de) | 2011-03-10 | 2011-03-22 | Verfahren zum Herstellen einer porösen Metallschaumkegelanordnung mit einer grossen Oberfläche |
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KR1020110021573A KR101310240B1 (ko) | 2011-03-10 | 2011-03-10 | 고표면적을 가지는 다공성 금속폼 콘 어셈블리의 제조방법 |
KR10-2011-0021573 | 2011-03-10 |
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WO2012121445A1 true WO2012121445A1 (ko) | 2012-09-13 |
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PCT/KR2011/001940 WO2012121445A1 (ko) | 2011-03-10 | 2011-03-22 | 고표면적을 가지는 다공성 금속폼 콘 어셈블리의 제조방법 |
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US (1) | US9296032B2 (ko) |
KR (1) | KR101310240B1 (ko) |
CN (1) | CN103402668B (ko) |
DE (1) | DE112011104914T5 (ko) |
WO (1) | WO2012121445A1 (ko) |
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JP6056781B2 (ja) * | 2013-04-10 | 2017-01-11 | トヨタ自動車株式会社 | マフラー製造方法及びマフラー |
GB201312228D0 (en) * | 2013-07-08 | 2013-08-21 | Ludlow Michael | A lip skin and a method and apparatus for forming a lip skin |
KR20170139533A (ko) * | 2015-04-24 | 2017-12-19 | 스미토모덴키고교가부시키가이샤 | 복합 재료 및 그의 제조 방법 |
US20180179629A1 (en) * | 2015-06-25 | 2018-06-28 | Vladimir Mancevski | Apparatus and Methods for High Volume Production of Graphene and Carbon Nanotubes on Large-Sized Thin Foils |
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- 2011-03-22 US US14/003,521 patent/US9296032B2/en active Active
- 2011-03-22 DE DE112011104914T patent/DE112011104914T5/de not_active Withdrawn
- 2011-03-22 CN CN201180069165.9A patent/CN103402668B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
DE112011104914T5 (de) | 2013-12-12 |
CN103402668B (zh) | 2015-09-23 |
KR20120103348A (ko) | 2012-09-19 |
US9296032B2 (en) | 2016-03-29 |
US20130340879A1 (en) | 2013-12-26 |
CN103402668A (zh) | 2013-11-20 |
KR101310240B1 (ko) | 2013-09-23 |
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