WO2018150509A1 - 摩擦撹拌接合を用いたワーク品製品製造方法及び複数のワーク品とワークから複数のワーク品が切り出された後の残留ワーク - Google Patents

摩擦撹拌接合を用いたワーク品製品製造方法及び複数のワーク品とワークから複数のワーク品が切り出された後の残留ワーク Download PDF

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Publication number
WO2018150509A1
WO2018150509A1 PCT/JP2017/005685 JP2017005685W WO2018150509A1 WO 2018150509 A1 WO2018150509 A1 WO 2018150509A1 JP 2017005685 W JP2017005685 W JP 2017005685W WO 2018150509 A1 WO2018150509 A1 WO 2018150509A1
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WO
WIPO (PCT)
Prior art keywords
workpiece
workpieces
friction stir
stir welding
thickness
Prior art date
Application number
PCT/JP2017/005685
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English (en)
French (fr)
Japanese (ja)
Inventor
ヨウン－ファン ジュ
里香 朝倉
久孝 織田
康弘 富山
Original Assignee
株式会社ブイテックス
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ブイテックス filed Critical 株式会社ブイテックス
Priority to KR1020177016507A priority Critical patent/KR20180111480A/ko
Priority to PCT/JP2017/005685 priority patent/WO2018150509A1/ja
Publication of WO2018150509A1 publication Critical patent/WO2018150509A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
    • B23K20/2336—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer both layers being aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/24—Preliminary treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof

Definitions

  • the present invention relates to a workpiece product manufacturing method using friction stir welding and a plurality of workpieces and a remaining workpiece after a plurality of workpieces are cut out from the workpiece.
  • the stirring pin is a butted surface between the members to be joined Friction stir welding that joins the members to be joined in a solid state by inserting them in the vicinity and moving the FSW tool along the abutting surface while pressing the bottom surface of the FSW tool against the top surface of the members to be joined is wide. Has been done.
  • Patent Document 2 the stirring pin inserted in the tab portion is moved to perform friction stirring on the abutting portion, and when the other tab portion ends friction stirring, the stirring pin is folded back and friction stirring is performed again. It has been proposed.
  • Patent Document 3 proposes that a plurality of works each having the first and second members butted together are arranged side by side, and the butted portions of each work are collectively joined by friction stir welding and separated into each work.
  • the valve casing of the gate valve used in the vacuum processing apparatus is enlarged, and the plate material used has a thickness of 20 to 80 mm, and friction stir welding that can handle this thickness. It will be necessary.
  • a block material having dimensions suitable for friction stir welding is ordered in-house, and the block material is processed into dimensions suitable for friction stir welding in-house. In some cases, it was difficult to obtain the block material at an appropriate time.
  • the present invention can apply friction stir to a large workpiece such as a valve casing of a large gate valve to improve the material yield and shorten the processing time.
  • the purpose is to solve the problems that occur when applied.
  • Friction stir welding has many features such as the fact that joining materials can be joined at a low temperature below its melting point, so there is less distortion compared to arc welding, and there are no joint defects such as bubbles and cracks. It is a typical void defect generated in FSW, and is said to occur when FSW construction is performed with an excessive stirring region, an insufficient stirring region, an insufficient pressure on the stirring metal, or an insufficient number of rotations of the tool.
  • the thickness of the plate material used for friction stir welding is 20 to 80 mm.
  • internal defects remain on the workpiece along the joining surfaces of both materials generated in the friction stir welding start process or the friction stir welding end process of the friction stir welding.
  • This internal defect is due to the fact that the friction stir welding surface in the joining depth direction is long, and it is considered that the vicinity of the joining line remains in the joint when stirring with the rotary tool. It remains almost vertically in the deep part.
  • the present invention manufactures a plurality of work products from a work having the same cross-sectional shape by joining two or more members made of an aluminum material by friction stirring.
  • One of the two or more members made of aluminum material is one having a thickness l of 20 mm or more in the height direction, and a length L in the width direction that is a length L that is a total width Lo or more of a plurality of workpieces.
  • the cross-sectional shape has the same shape, the joining surface in the thickness direction is abutted against the joining surface of the other member at the same height, and alignment is performed over the length L.
  • Friction stir welding is performed over the length of the total length Lo of a plurality of workpieces plus a length that is at least twice the thickness l of one member along the joined surface.
  • the friction stir welded workpiece A plurality of workpieces are cut out from the workpiece subjected to friction stir welding by a cutting machine in a direction perpendicular to the friction stir welding surface, and one of the members is placed on each side of the plurality of workpieces before cutting.
  • the present invention is characterized in that a plurality of workpieces having the same width are cut out from a workpiece subjected to friction stir welding while leaving a cutting allowance larger than the thickness l on the workpiece.
  • the present invention provides a method for manufacturing a plurality of workpieces using the friction stir welding described above, and performs an operation in the pressing direction in the thickness direction in the friction stir welding start process or the friction stir welding end process to eliminate internal defects generated. It is characterized by preventing internal defects from remaining in a plurality of cut workpieces by cutting the workpiece with the cutting allowance remaining on the workpiece.
  • the present invention provides a method of manufacturing a plurality of workpieces using friction stir welding as described above, wherein the workpiece has a thickness l of 20 to 80 mm in the height direction made of an aluminum material and both ends of the member on the one side. It is a rectangular parallelepiped work formed from the other member arranged on the side, A plurality of workpieces have a cut surface cut over the entire surface from adjacent workpieces, and each workpiece has one of two or more members made of an aluminum material with a height of 20 to 80 mm in the height direction.
  • the remaining workpiece is cut only on both sides of each of a plurality of cut workpieces, with a cutting allowance that is longer than the thickness l of one member and less than 1/2 of the width of each workpiece. It is characterized by the fact that generations remain.
  • the present invention is a residual work after a plurality of workpieces and a plurality of workpieces manufactured from a workpiece formed by joining two or more members made of an aluminum material by friction stirring,
  • a plurality of workpieces have a cut surface cut over the entire surface from adjacent workpieces, and each workpiece has one of two or more members made of an aluminum material with a height of 20 to 80 mm in the height direction. It has a thickness l, a friction stir joint surface with the other member, and has the same shape
  • the remaining workpiece has a length larger than the thickness l of one member and a cutting margin smaller than 1/2 of the width of each workpiece on only both sides of each of the plurality of workpieces cut out. It is characterized by this.
  • the present invention provides a gate valve in which a workpiece is composed of two one members and two other members in the above-described plurality of workpieces and the remaining workpiece after the plurality of workpieces are cut out from the workpiece. It is a gate material for a gate valve having a valve casing shape.
  • a plurality of workpieces are One of the two or more members each made of an aluminum material has a thickness l of 20 to 80 mm in the height direction and the same cross-sectional shape, and the joining surface of the thickness portion has the same height as the other member.
  • the friction stir welding surface of With a plurality of workpieces having the same width, the same length and the same shape, having the same length of the friction stir joint surface and having a cut surface cut in a direction perpendicular to the friction stir joint surface by a cutting machine Yes, The remaining workpiece has a cutting allowance of a length larger than the thickness l of one member on each side; A plurality of workpieces can be manufactured in which the length of each cutting allowance is smaller than 1/2 of the width of each workpiece.
  • friction stir welding is applied to large workpieces such as the valve casing of large gate valves to improve material yield and shorten processing time, and friction stir welding is applied to large workpieces.
  • the possibility that internal defects generated in the friction stir welding start process and the friction stir welding end process remain in each workpiece can be solved.
  • FIG. The figure which shows the member structure used for the workpiece manufacturing method.
  • FIG. The figure which shows the state which presses the friction stirring butt
  • FIG. 1 to 7 show a workpiece product manufacturing method using friction stir welding, in which a plurality of workpieces are manufactured from workpieces having the same shape by joining two or more members made of an aluminum material by friction stirring.
  • FIG. Friction stir welding is applied to large workpieces such as valve casings of large gate valves to improve material yield and machining time, and friction stir welding is applied to large workpieces. It is a figure which shows the process which eliminates the possibility that the internal defect which generate
  • FIG. 1 is a diagram showing a step 1 and a member configuration used in a workpiece manufacturing method.
  • a large workpiece 100 includes a plate-like component 1, a component 2, a square-like component 3, and a component 4.
  • the constituent member 1, the constituent member 2, the constituent member 3, and the constituent member 4 have a shape in which a purchased standard block material is cut into a predetermined size in a factory.
  • the constituent member 1 and the constituent member 2 have the same shape, and are arranged with a space above and below.
  • the plate-like constituent member 1 and the constituent member 2 are made of an aluminum material, have a thickness of 20 to 80 mm, are quadrangular, and have the same cross-sectional area in any direction.
  • the longitudinal direction (left and right direction in the drawing) of the constituent members 3 and 4 is referred to as the X-axis direction
  • the 90-degree direction thereof is referred to as the Y-axis direction
  • the longitudinal direction is referred to as the Z-axis direction. If the width of the space of the structural member 1 and the structural member 2 is a valve gate, it becomes an opening area of the valve.
  • the length in the X-axis direction of the component member 1 and the component member 2 is a length determined by the shape of the workpiece that is the product, and the length in the Y-axis direction is the width of the workpiece to be cut x the number of workpieces Also has a large length.
  • the component member 3 and the component member 4 are made of an aluminum material, and a rectangular parallelepiped square member is formed in a substantially rectangular parallelepiped shape with a part thereof cut off.
  • the structural member 3 and the structural member 4 respectively have rectangular parallelepiped cutout portions 5 and 6 on the surfaces of the structural member 1 and the structural member 2.
  • the dimensions of the notches 5 and 6 in the Z-axis direction are the thicknesses of the constituent member 3 and the constituent member 4 when the tolerance is not taken into account, and the dimensions in the X-axis direction are the ends of the constituent member 3 and the constituent member 4.
  • the dimension in the Y-axis direction is the dimension in the Y-axis direction of the component member 3 and the component member 4, that is, the width length of the component member 3 and the component member 4.
  • the component member 3 and the component member 4 are formed with the surface 7 having the butt line 8 on the upper surface, and the tag portions 9 and 10 are formed on both sides facing the notch portions 5 and 6. Is done.
  • These tag portions 9 and 10 have a block shape.
  • FIG. 2 is a diagram showing Step 2 in which the constituent member 1 and the constituent member 2 are combined with the constituent member 3 and the constituent member 4.
  • One of the two or more members made of aluminum material is one having a thickness l of 20 mm or more in the height direction, and a length L in the width direction that is a length L that is a total width Lo or more of a plurality of workpieces.
  • the joint surface in the thickness direction is abutted with the joint surface of the other member at the same height, and alignment is performed over the length L.
  • the ends of the constituent member 1 and the constituent member 2 on the X-axis side are placed in the notches 5 and 6 formed in the constituent member 3 and the constituent member 4.
  • a box-like body 101 having a space portion 11 therein and having the Y-axis direction side opened is formed.
  • the constituent member 1 and the constituent member 2, the constituent member 3 and the constituent member 4 are in contact with each other.
  • the box-like body 101 is formed from four constituent members, but a U-shaped form may be formed by three constituent members. In this example, an example in which the box-shaped body 101 is formed will be described.
  • the box-like body 101 has a flat upper surface and lower surface, and a friction stir butt line is formed along the butt line 8.
  • this line is referred to as a friction stir butt line 8.
  • FIG. 3 is a diagram showing the step 2 and showing a state in which the friction stir butting line 8 formed by abutting the constituent member 1 and the constituent member 2 with the constituent member 3 and the constituent member 4 is pressed from the X-axis direction. is there. Pressing by pressing means (not shown).
  • Mechanical engaging means for mechanically engaging the constituent member 1 and the constituent member 2 with the constituent member 3 and the constituent member 4 can be provided in the constituent member 1, the constituent member 2, the constituent member 3, and the constituent member 4. .
  • the mechanical engagement means is, for example, a wedge-shaped engagement means. By this engagement, both members are firmly fixed at the time of abutment in FIG. By providing such means, the two members to be separated at the time of friction stir welding are held in the initial pressed state and the closely fixed state.
  • FIG. 4 shows the process 4 and shows a state in which the constituent member 1, the constituent member 2, the constituent member 3, and the constituent member 4 are joined by FSW.
  • Friction stir welding is performed over the length of the total length Lo of a plurality of workpieces plus a length that is at least twice the thickness l of one member along the joined surface. To produce a friction stir welded workpiece.
  • ⁇ FSW joining is performed along the friction stir butt line 8.
  • the FSW extends beyond the friction stir butt line 8 to the tab portions 9 and 10.
  • this line is referred to as a friction stir welding line (FSW joining line) and 12.
  • the friction stir butt line 8 extends to the tab portions 9 and 10.
  • the tab portion 10 becomes a running section 14 for friction stirring.
  • a pressing operation in the Z-axis direction and a friction stirring operation in the Y-axis direction are performed.
  • the length of this run-up section was determined depending on the size of the stirring pin.
  • FIG. 8 is a diagram showing a state of joining by FSW.
  • An FSW tool (probe) 80 for friction stir welding (FSW) provided with a rotating body 81 and a stirring pin 82 suspended from the bottom surface thereof is used, and the stirring pin 82 is a thick plate (components 1, 2) that is a member to be joined. ) And thick plates (components 3 and 4) are inserted in the vicinity of the abutting surface between the plate thicknesses, and the FSW tool is pressed along the abutting surface while rotating the FSW tool while pressing the bottom surface of the FSW tool against the upper surface of the member to be joined. As a result, the members to be joined are joined in a solid state.
  • the constituent members 1 and 2 have a thickness of 20 to 80 mm, and the constituent members 3 and 4 have a thickness greater than that.
  • the stir pin is first pressed in the Z-axis direction and then moved in the Y-axis direction.
  • internal defects in the state of friction stir welding line remaining substantially in the vertical direction may occur.
  • An internal defect in the friction stir welding line state can be generated only in the tab portion 10 by appropriately setting the friction stir welding line length in the tab portion 10 to prevent occurrence in the friction stir butt line 8 portion. Can do.
  • the diameter of the stirring pin is smaller than the thickness of the constituent member 1 and the constituent member 2.
  • the same internal defect may occur on the tab 9 side.
  • the end section 13 is similarly secured on the tab portion 9 side related to the pressing operation.
  • the internal defect can be limited to occur in the tab portion 9. It is sufficient to secure the length portion by minimizing the length corresponding to the thickness length of the constituent member 1 and the constituent member 2, and to make it longer is to reduce the waste material by cutting the tab portion 10 described later. Will increase. It is recommended to make it within 1/2, preferably within 1/4 of one work described later.
  • FIG. 5 is a diagram showing a state in which the formed box-like body 101 is cut to a necessary length, showing Step 5.
  • a plurality of workpieces are cut out from the workpiece subjected to friction stir welding by a cutting machine in a direction perpendicular to the friction stir welding surface, and one of the members is placed on each side of the plurality of workpieces before cutting.
  • a plurality of workpieces having the same width are cut out from the workpiece subjected to friction stir welding, leaving a cutting allowance larger than the thickness l in the workpiece.
  • the box-like body 101 is indicated by a dotted line. It was set to be cut in the X-axis direction and cut into five in the Y-axis direction. In the drawing, seven workpieces 71 to 75 are cut out, but the number is not limited to five.
  • FIG. 6 is a top view of the shape shown in FIG. Six cutting lines AF are shown.
  • one has a thickness l of 20 mm or more in the height direction and a length L that is more than the total width Lo of a plurality of workpieces in the width direction and has the same cross-sectional shape. Then, alignment is performed by abutting the joint surface of the thickness portion with the joint surface having the same height of the other member.
  • the thickness of one member, and the total width Lo of a plurality of workpieces within the above-mentioned length L is at least twice as long as the thickness l of one member. Friction stir welding is performed over the length added.
  • the total width Lo of the plurality of workpieces subjected to friction stir welding is cut by a cutting machine in a direction perpendicular to the joining surface in accordance with the number of the plurality of workpieces.
  • the workpiece is cut while leaving a cutting allowance larger than the thickness l of one member on both sides, and a plurality of workpieces are cut out from the workpiece subjected to friction stir welding.
  • One of the two or more members each made of an aluminum material has a thickness l of 20 to 80 mm in the height direction and the same cross-sectional shape, and the joining surface of the thickness portion has the same height as the other member.
  • the friction stir welded surface has the same length and the cut surface cut in the direction perpendicular to the friction stir welded surface by a cutting machine, and has the same width and the same length.
  • the remaining workpiece has a cutting allowance of a length larger than the thickness l of one member on each side;
  • the length of each cutting allowance is less than 1/2, preferably 1/4, of the width of each workpiece.
  • a plurality of workpieces have a cut surface that is cut across the entire surface from adjacent workpieces, and each workpiece has one of two or more members made of aluminum in the height direction.
  • the thickness of one member is 80 mm in thickness l, has a friction stir joint surface with the other member, has the same shape, and the remaining workpiece is only on both sides of each of a plurality of cut workpieces.
  • a cutting allowance smaller than 1/2 of the width of each workpiece remains with a length greater than 1 l.
  • FIG. 7 shows the step 6 and shows a single product after cutting and finishing.
  • the single product after cutting is a rectangular parallelepiped cylinder 102 having an opening.
  • a final finishing process is performed on the rectangular parallelepiped cylinder 102.
  • a workpiece 103 as a final product is formed.
  • the workpiece 103 has a valve casing shape of a gate valve configured by two one members and two other members.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
PCT/JP2017/005685 2017-02-16 2017-02-16 摩擦撹拌接合を用いたワーク品製品製造方法及び複数のワーク品とワークから複数のワーク品が切り出された後の残留ワーク WO2018150509A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020177016507A KR20180111480A (ko) 2017-02-16 2017-02-16 마찰 교반 접합을 이용한 워크품 제품 제조 방법 및 복수의 워크품과 워크로부터 복수의 워크품이 잘려진 후의 잔류 워크
PCT/JP2017/005685 WO2018150509A1 (ja) 2017-02-16 2017-02-16 摩擦撹拌接合を用いたワーク品製品製造方法及び複数のワーク品とワークから複数のワーク品が切り出された後の残留ワーク

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Application Number Priority Date Filing Date Title
PCT/JP2017/005685 WO2018150509A1 (ja) 2017-02-16 2017-02-16 摩擦撹拌接合を用いたワーク品製品製造方法及び複数のワーク品とワークから複数のワーク品が切り出された後の残留ワーク

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110434450A (zh) * 2019-05-29 2019-11-12 陕西飞机工业（集团）有限公司 一种阶梯型焊缝的搅拌摩擦焊工艺方法
CN110666338A (zh) * 2019-10-22 2020-01-10 沈阳航空航天大学 一种基于搅拌摩擦焊接的箱体结构精密制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003211326A (ja) * 2002-01-16 2003-07-29 Hitachi Ltd 金属部品の製造方法および金属部品
JP4352814B2 (ja) * 2003-08-27 2009-10-28 日本軽金属株式会社 摩擦攪拌接合方法
JP4732109B2 (ja) * 2005-10-06 2011-07-27 山下ゴム株式会社 複数ワークの分離方法
JP2011218363A (ja) * 2010-04-02 2011-11-04 Furukawa-Sky Aluminum Corp 摩擦攪拌接合方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003211326A (ja) * 2002-01-16 2003-07-29 Hitachi Ltd 金属部品の製造方法および金属部品
JP4352814B2 (ja) * 2003-08-27 2009-10-28 日本軽金属株式会社 摩擦攪拌接合方法
JP4732109B2 (ja) * 2005-10-06 2011-07-27 山下ゴム株式会社 複数ワークの分離方法
JP2011218363A (ja) * 2010-04-02 2011-11-04 Furukawa-Sky Aluminum Corp 摩擦攪拌接合方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110434450A (zh) * 2019-05-29 2019-11-12 陕西飞机工业（集团）有限公司 一种阶梯型焊缝的搅拌摩擦焊工艺方法
CN110666338A (zh) * 2019-10-22 2020-01-10 沈阳航空航天大学 一种基于搅拌摩擦焊接的箱体结构精密制造方法

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