CN113492248A - Argon arc welds build-up welding and along with welding stirring integration vibration material disk device - Google Patents
Argon arc welds build-up welding and along with welding stirring integration vibration material disk device Download PDFInfo
- Publication number
- CN113492248A CN113492248A CN202110571359.4A CN202110571359A CN113492248A CN 113492248 A CN113492248 A CN 113492248A CN 202110571359 A CN202110571359 A CN 202110571359A CN 113492248 A CN113492248 A CN 113492248A
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- welding
- argon arc
- stirring
- layer
- welds
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000003466 welding Methods 0.000 title claims abstract description 80
- 238000003756 stirring Methods 0.000 title claims abstract description 67
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 title claims abstract description 9
- 230000010354 integration Effects 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001953 recrystallisation Methods 0.000 claims abstract description 11
- 238000005204 segregation Methods 0.000 claims abstract description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 4
- 239000010937 tungsten Substances 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract 2
- 230000001360 synchronised effect Effects 0.000 claims abstract 2
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 5
- 230000007547 defect Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 13
- 238000010891 electric arc Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The utility model provides an argon arc welds build-up welding and along with welding stirring integration vibration material disk device which characterized by: it includes crossbeam (1), stirring head (2), argon arc welds nozzle (3), argon arc welds welding wire (4) and surfacing layer (5), argon arc welds nozzle (3) and stirring head (2) and sets up on crossbeam (1) and synchronous motion thereupon, two adjusting position are apart from delta X, argon arc that has the tungsten pole welds nozzle (3) and argon arc and welds welding wire (4) and accomplish welding process, form surfacing layer (5), stir through stirring head (2) after the shaping, after the stirring, dynamic recrystallization is accomplished in surfacing layer (5), every layer is said with this repetition. The invention prevents component segregation by designing an adding stirring technology, improves the microstructure by dynamic recrystallization of the material and ensures that the performance of a formed piece meets the design requirement.
Description
Technical Field
The invention relates to an additive manufacturing technology, in particular to an argon arc welding surfacing technology, and specifically relates to an additive manufacturing device integrating argon arc welding surfacing and stirring along with welding.
Background
The arc wire feeding additive manufacturing technology (WAAM) is widely applied as one of 3D printing methods at present, and the basic principle is that a welding arc is used as a heat source to melt metal wires, each layer of the wires is stacked on a substrate according to a set forming path, and the wires are stacked layer by layer until a formed metal part is formed. The electric arc additive manufacturing technology is to manufacture a compact metal solid component in a layer-by-layer overlaying mode, and is suitable for low-cost, efficient and quick near-net forming of large-size complex components due to the fact that electric arcs are used as energy carrying beams, heat input is high, forming speed is high, and the electric arc additive manufacturing technology is suitable for low-cost, efficient and quick near-net forming of large-size complex components. In the face of the requirements of manufacturing cost and reliability of special metal structures, structural parts of the metal structures are gradually developed to be large-sized, integrated and intelligent, so that the technology has the advantages of efficiency and cost which are incomparable with other additive technology in the aspect of forming large-sized structural parts. Compared with the traditional manufacturing technology, the microstructure of the arc additive is a dendritic structure, so that the mechanical property of the arc additive is lower than that of a conventional forged piece, a steel pipe and a steel plate due to segregation, anisotropy, coarse grains and the like, meanwhile, the use of the product is influenced and limited due to the occurrence of overlaying defects such as cracks and pores in the arc additive process, and meanwhile, the manufacturing efficiency is low due to reworking of the overlaying defects.
In order to solve the problems, an additive manufacturing device integrating argon arc welding surfacing and stirring along with welding is urgently needed to be designed. The device send a vibration material disk technology based on electric arc, design and add along with welding stirring process, prevent the composition segregation, the welding seam metal warp by a wide margin under the stirring simultaneously to make build-up welding metal carry out dynamic recrystallization under high temperature and improve the microstructure, make the dendrite of build-up welding become the tiny isometric crystal tissue of crystalline grain, increase substantially the mechanical properties of build-up welding product, guarantee that the performance of forming part satisfies the design requirement.
Disclosure of Invention
The purpose of the invention is:
aiming at the problems of low forming efficiency, poor forming structure performance and the like of the existing electric arc additive manufacturing technology, the additive manufacturing device integrating argon arc welding surfacing and stirring along with welding is designed.
The technical scheme of the invention is as follows:
the utility model provides an argon arc welds build-up welding and along with welding stirring integration vibration material disk device which characterized by: the argon arc welding device comprises a cross beam 1, a stirring head 2, an argon arc welding nozzle 3, an argon arc welding wire 4 and a surfacing layer 5, wherein the argon arc welding nozzle 3 and the stirring head 2 are arranged on the cross beam 1 and move synchronously with the cross beam, the two adjusting positions are separated by a distance delta X, the argon arc welding nozzle 3 with a tungsten electrode and the argon arc welding wire 4 finish a welding process to form the surfacing layer 5, the stirring is carried out through the stirring head 2 after forming, after the stirring is finished, the dynamic recrystallization of the surfacing layer 5 is finished, and each layer is repeated.
Adding a stirring procedure after argon arc welding overlaying; the argon arc welding nozzle 3 and the argon arc welding wire 4 form a surfacing layer, and then are stirred by the rotating stirring head 2; the rotating speed of the stirring head 2 is 50 r/s-150 r/s; segregation is easily generated in the formation process of the overlaying layer 5, so that the overlaying layer 5 has harmful defects and the quality is reduced; the structure state of the overlaying layer is an as-cast structure and is of a columnar dendritic structure, the stirring head 2 rotates and stirs the overlaying layer with high-temperature viscoplasticity, coarse grains of the overlaying layer 5 are fully crushed, the components of the overlaying layer are uniform, the overlaying layer 5 is stirred by the stirring head 2 to flow and deform, power is provided for subsequent dynamic recrystallization, and therefore the structure grains are refined and are converted into fine and uniform isometric crystals.
The distance delta X between the argon arc welding nozzle 3 and the stirring head 2 is adjusted according to the following formula:
in the formula:
t1: the temperature during argon arc welding surfacing;
t2: the temperature after friction stir welding;
t: cooling rate of the metal in air/s;
The invention has the beneficial effects that:
the invention is based on the electric arc wire feeding additive manufacturing technology, prevents component segregation by designing and adding a welding-following stirring technology, improves the microstructure through dynamic recrystallization of materials, and ensures that the performance of a formed piece meets the design requirement.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1.
The argon arc welding surfacing and welding stirring integrated material increase manufacturing device comprises a cross beam 1, a stirring head 2, an argon arc welding nozzle 3, an argon arc welding wire 4 and a surfacing layer 5, wherein the cross beam 1 is arranged on welding equipment and can move up, down, left and right on the welding equipment, the argon arc welding nozzle 3 and the stirring head 2 are arranged on the cross beam 1 and synchronously move along with the cross beam, the adjusting positions of the two are separated by delta X, the argon arc welding nozzle 3 with a tungsten electrode and the argon arc welding wire 4 complete a welding process to form the surfacing layer 5, stirring is carried out through the stirring head 2 after forming, after stirring is finished, the surfacing layer 5 completes dynamic recrystallization, and each layer is repeated. The invention adds a stirring procedure after argon arc welding overlaying; the argon arc welding nozzle 3 and the argon arc welding wire 4 form a surfacing layer, and then are stirred by the rotating stirring head 2; the rotating speed of the stirring head 2 is 50 r/s-150 r/s; segregation is easily generated in the formation process of the overlaying layer 5, so that the overlaying layer 5 has harmful defects and the quality is reduced; the structure state of the overlaying layer is an as-cast structure and is of a columnar dendritic structure, the stirring head 2 rotates and stirs the overlaying layer with high-temperature viscoplasticity, coarse grains of the overlaying layer 5 are fully crushed, the components of the overlaying layer are uniform, the overlaying layer 5 is stirred by the stirring head 2 to flow and deform, power is provided for subsequent dynamic recrystallization, and therefore the structure grains are refined and are converted into fine and uniform isometric crystals. The distance delta X between the argon arc welding nozzle 3 and the stirring head 2 is important for ensuring that the stirred overlaying layer is in the recrystallization temperature range and meeting the required temperature of stirring. Can be adjusted according to the following formula:
in the formula:
t1: the temperature during argon arc welding surfacing;
t2: the temperature after friction stir welding;
t: cooling rate of the metal in air/s;
Specific examples are:
and (3) performing surfacing by adopting an ER308L argon arc welding wire, wherein the temperature (T1) during surfacing is about 1400 ℃, the required temperature (T2) of friction stir welding is 900-1000 ℃, the cooling rate of the metal in the air is 100 ℃/s, and the welding speed of a welding machine is controlled to be 5 mm/s. Calculated according to the formula in the claims: DeltaX is 25 mm.
And adjusting the distance between surfacing and stirring according to the calculated delta X. A welding wire with a diameter of 1.6mm is selected and placed on a wire feeder with the welding wire in place. Setting the welding current of the welding machine to be 130A, the welding voltage to be 13V, the welding speed to be 5mm/s and the welding parameters to be in place. The stirring head rotation rate was set at 80 r/s.
And starting a welding machine, melting welding wires to form a surfacing layer, wherein the temperature of the surfacing layer is about 1400 ℃, the formed surfacing layer moves to a stirring position for stirring, the lowest temperature is 900 ℃ after the stirring is finished, the stirred surfacing layer is dynamically recrystallized at the temperature to form isometric crystals, and after the completion of one step, the next surfacing layer is formed according to the same steps. Comparing the performance of the surfacing layer after surfacing and the performance of the surfacing layer after stirring:
the structure, the stirring depth and the like of the parts which are not related to the invention, such as the stirring needle, are the same as or can be realized by the prior art.
Claims (3)
1. The utility model provides an argon arc welds build-up welding and along with welding stirring integration vibration material disk device which characterized by: it includes crossbeam (1), stirring head (2), argon arc welds nozzle (3), argon arc welds welding wire (4) and surfacing layer (5), argon arc welds nozzle (3) and stirring head (2) and sets up on crossbeam (1) and synchronous motion thereupon, two adjusting position are apart from delta X, argon arc that has the tungsten pole welds nozzle (3) and argon arc and welds welding wire (4) and accomplish welding process, form surfacing layer (5), stir through stirring head (2) after the shaping, after the stirring, dynamic recrystallization is accomplished in surfacing layer (5), every layer is said with this repetition.
2. The additive manufacturing apparatus of claim 1, wherein: adding a stirring procedure after argon arc welding overlaying; the argon arc welding nozzle (3) and the argon arc welding wire (4) form a surfacing layer, and then are stirred by the rotating stirring head (2); the rotating speed of the stirring head (2) is 50 r/s-150 r/s; segregation is easily generated in the forming process of the overlaying layer (5), so that the overlaying layer (5) has harmful defects and the quality is reduced; the structure state of the overlaying layer is an as-cast structure and is of a columnar dendritic structure, the stirring head (2) is used for rotationally stirring the overlaying layer with high-temperature viscoplasticity, coarse grains of the overlaying layer (5) are fully crushed, the components of the overlaying layer are uniform, the overlaying layer (5) is stirred by the stirring head (2) to flow and deform, power is provided for subsequent dynamic recrystallization, and therefore the structure grains are refined and are converted into fine and uniform isometric crystals.
3. The additive manufacturing apparatus of claim 1, wherein: the distance delta X between the argon arc welding nozzle (3) and the stirring head (2) is adjusted according to the following formula:
in the formula:
t1: the temperature during argon arc welding surfacing;
t2: the temperature after friction stir welding;
t: cooling rate of the metal in air/s;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571359.4A CN113492248A (en) | 2021-05-25 | 2021-05-25 | Argon arc welds build-up welding and along with welding stirring integration vibration material disk device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571359.4A CN113492248A (en) | 2021-05-25 | 2021-05-25 | Argon arc welds build-up welding and along with welding stirring integration vibration material disk device |
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| Publication Number | Publication Date |
|---|---|
| CN113492248A true CN113492248A (en) | 2021-10-12 |
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| CN202110571359.4A Pending CN113492248A (en) | 2021-05-25 | 2021-05-25 | Argon arc welds build-up welding and along with welding stirring integration vibration material disk device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939715A (en) * | 2022-06-13 | 2022-08-26 | 哈尔滨工业大学 | Different-axis additive and synchronous-processing stirring friction additive manufacturing device and method |
| CN115475968A (en) * | 2022-09-05 | 2022-12-16 | 潍坊鑫精合智能装备有限公司 | Synchronous accompanying type low-stress manufacturing equipment and method |
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| CN103846544A (en) * | 2012-11-30 | 2014-06-11 | 中国科学院沈阳自动化研究所 | Welding with trailing extrusion device for friction stir welding and welding with trailing extrusion method thereof |
| CN104741736A (en) * | 2015-03-17 | 2015-07-01 | 昆明理工大学 | Open arc surfacing method |
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| WO2016080101A1 (en) * | 2014-11-18 | 2016-05-26 | 株式会社日立製作所 | Bonding method and bonding apparatus |
| CN107160029A (en) * | 2017-07-12 | 2017-09-15 | 山东大学 | A kind of additional heating source auxiliary friction stir welding method and device |
| CN108176913A (en) * | 2018-02-01 | 2018-06-19 | 三峡大学 | Electromagnetic field and the electric arc increasing material manufacturing method and apparatus for being forced to process compound auxiliary |
| CN112743249A (en) * | 2020-12-24 | 2021-05-04 | 西南交通大学 | Method and system for stirring and strengthening welding seam of composite layer based on electric arc melting of base material |
-
2021
- 2021-05-25 CN CN202110571359.4A patent/CN113492248A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729077A (en) * | 2001-11-02 | 2006-02-01 | 波音公司 | Apparatus and method for forming weld joints having compressive residual stress patterns |
| US20060086707A1 (en) * | 2004-10-21 | 2006-04-27 | Sindo Kou | Arc-enhanced friction stir welding |
| CN103846544A (en) * | 2012-11-30 | 2014-06-11 | 中国科学院沈阳自动化研究所 | Welding with trailing extrusion device for friction stir welding and welding with trailing extrusion method thereof |
| WO2016080101A1 (en) * | 2014-11-18 | 2016-05-26 | 株式会社日立製作所 | Bonding method and bonding apparatus |
| CN204673122U (en) * | 2014-12-23 | 2015-09-30 | 昆明理工大学 | A stirring device for open arc surfacing welding |
| CN104741736A (en) * | 2015-03-17 | 2015-07-01 | 昆明理工大学 | Open arc surfacing method |
| CN107160029A (en) * | 2017-07-12 | 2017-09-15 | 山东大学 | A kind of additional heating source auxiliary friction stir welding method and device |
| CN108176913A (en) * | 2018-02-01 | 2018-06-19 | 三峡大学 | Electromagnetic field and the electric arc increasing material manufacturing method and apparatus for being forced to process compound auxiliary |
| CN112743249A (en) * | 2020-12-24 | 2021-05-04 | 西南交通大学 | Method and system for stirring and strengthening welding seam of composite layer based on electric arc melting of base material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939715A (en) * | 2022-06-13 | 2022-08-26 | 哈尔滨工业大学 | Different-axis additive and synchronous-processing stirring friction additive manufacturing device and method |
| CN115475968A (en) * | 2022-09-05 | 2022-12-16 | 潍坊鑫精合智能装备有限公司 | Synchronous accompanying type low-stress manufacturing equipment and method |
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Application publication date: 20211012 |
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