CN108161173A - Underwater electric arc increasing material manufacturing equipment - Google Patents
Underwater electric arc increasing material manufacturing equipment Download PDFInfo
- Publication number
- CN108161173A CN108161173A CN201810005299.8A CN201810005299A CN108161173A CN 108161173 A CN108161173 A CN 108161173A CN 201810005299 A CN201810005299 A CN 201810005299A CN 108161173 A CN108161173 A CN 108161173A
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- electric arc
- welding
- material manufacturing
- manufacturing equipment
- increasing material
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Classifications
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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
- B23K9/00—Arc welding or cutting
- B23K9/0061—Underwater arc 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/06—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for positioning the molten material, e.g. confining it to a desired area
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to underwater welding technology fields, and in particular to a kind of underwater electric arc increasing material manufacturing equipment.Underwater electric arc increasing material manufacturing equipment, including power supply, welding wire, welding gun, ignition tip and attaching means, the power supply is used to provide the electric current of wire melting, the welding gun is connect with the ignition tip, through-hole is provided on the welding gun and the ignition tip, the welding wire passes through the end of the through-hole and the welding wire to stretch out the welding gun, and the attaching means is connect with the welding gun, and the molten metal that the attaching means is used to form welding process constrains.In underwater electric arc increasing material manufacturing equipment provided by the invention, molten metal is constrained using attaching means, so that the constricted flow of molten metal, structural member edge is not easy to collapse, and improves the Forming Quality of structural member.
Description
Technical field
The present invention relates to underwater welding technology fields, and in particular to a kind of underwater electric arc increasing material manufacturing equipment.
Background technology
In order to develop and use marine resources, large ocean structural member is manufactured as the most important thing, moreover, large ocean knot
Component in long-term use, can constantly be corroded by seawater, cause different degrees of damage, therefore large ocean structural member
Manufacture and repair are of great significance.Wherein, underwater increases material manufacturing technology has become what large ocean structural member was manufactured and repaired
It is crucial.
At present, underwater increases material manufacturing technology mainly includes the welding of underwater laser beam, underwater agitating friction weldering and underwater electric arc
Weldering.
Underwater agitating friction weldering belongs to solid diffusivity, is not influenced in use by the depth of water, but since stirring rubs
The equipment for wiping weldering is complicated, and the water proofing property of equipment is considered in deep-sea and can increase the cost of equipment production.
For the welding of underwater laser beam due to shaping surface quality height, adaptability for materials is strong, has a wide range of applications.Chinese patent
The characteristics of application number 201610855857.0 discloses a kind of method and apparatus of underwater facility laser gain material reparation, this device
It is local dry cavity to be formed in area to be repaired, and waterproofing design is carried out to laser, this underwater facility laser gain material is repaiied
Although apparatus for coating can improve the quality for increasing material reparation, the equipment is complicated, and cost is higher.
Compared to underwater laser beam welding, underwater agitating friction weldering, underwater arc welding have equipment cost it is cheap, operation letter
It is single, deposition efficiency is high, structural member size is unrestricted, the advantages of can realizing multipoint increasing material manufacturing.
Structural member is produced using underwater electric arc increases material manufacturing technology, on the one hand, during successively accumulating, first cladding layer
Heat accumulation amount be continuously increased, weld seam molten bath mobility is accelerated, and be easy to cause structural member collapsing of the edges, structural member forming quality compared with
It is low；On the other hand, due to the presence of water, arc stability reduces, so that the shaping surface deterioration of first cladding layer, first
The shaping surface deterioration of cladding layer causes the Forming Quality of latter cladding layer also to deteriorate；In addition, work of the weld seam molten bath in water
Under, cooling velocity is too fast, and the weld defects such as the hydrogen blistering inside structural member, crackle is caused to increase, and reduces the power of structural member
Learn performance.
Invention content
In view of this, the present invention provides a kind of underwater electric arc increasing material manufacturing equipment, to solve underwater electric arc welding
The problem of degraded performance of obtained hardware.
In order to achieve the above objectives, the present invention uses following technical scheme：
A kind of underwater electric arc increasing material manufacturing equipment, including power supply, welding wire, welding gun, ignition tip and attaching means, the power supply is used
In the electric current for providing wire melting, the welding gun connect with the ignition tip, is provided on the welding gun and the ignition tip logical
Hole, the welding wire pass through the end of the through-hole and the welding wire to stretch out the welding gun, and the attaching means connects with the welding gun
It connects, the molten metal that the attaching means is used to form welding process constrains.
Further, the underwater electric arc increasing material manufacturing equipment further includes water repellent component and air supply plant, the waterproof group
The protection hermetic seal that part is used to export the air supply plant is in welding section.
Further, the water repellent component includes waterproof cover, waterproof case and flexible piece, and the waterproof cover includes the first opening
Structure and the second hatch frame, the waterproof cover are set on the outer wall of the welding gun, the first hatch frame of the waterproof cover
It is tightly connected with the welding gun, the second opening that the flexible piece passes through the waterproof case, the attaching means and the waterproof cover
Structure connects, and injection well is additionally provided on the waterproof cover, and the injection well is connected with air supply plant sealing.
Further, the water repellent component further includes hoop part, and the first hatch frame of the waterproof cover passes through the hoop
Shape part is tightly connected with the welding gun.
Further, the cross section of the second hatch frame of the seal closure is frame-type structure, and the attaching means includes two
A restraining plate, two restraining plates are connected to the opposite sides face of the seal closure, and the waterproof case, which includes two, to be prevented
Water plate, two splash guards are connected to the other two sides of the waterproof cover.
Further, the attaching means include multiple first connection structures, the waterproof cover selectively with the constraint
The first connection structure of difference of part is tightly connected；And/or
The waterproof case includes multiple second connection structures, the waterproof cover selectively different from the waterproof case the
Two connection structures are tightly connected.
Further, the water repellent component further includes fastener, and first connection structure and/or the second connection structure are
Mounting groove, the waterproof cover selectively different mounting grooves of different mounting grooves and/or the waterproof case from the attaching means
It is tightly connected by the fastener.
Further, the flexible piece includes draining felt.
Further, the wall surface that the attaching means is contacted with the molten metal includes plane and/or curved surface.
Further, the underwater electric arc increasing material manufacturing equipment further includes wire feeder, and the wire feeder is used to convey
The welding wire.
In underwater electric arc increasing material manufacturing equipment provided by the invention, molten metal is constrained using attaching means, so as to
So that the constricted flow of molten metal, structural member edge are not easy to collapse, the Forming Quality of structural member is improved.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from.
Fig. 1 is that the structure at a visual angle of underwater electric arc increasing material manufacturing equipment provided in the specific embodiment of the invention is shown
It is intended to；
Fig. 2 is that the structure at another visual angle of underwater electric arc increasing material manufacturing equipment provided in the specific embodiment of the invention is shown
It is intended to.
In figure：
1st, power supply；
2nd, welding wire；
3rd, welding gun；
4th, ignition tip；41st, through-hole；
5th, attaching means；51st, the first connection structure；
6th, water repellent component；61st, waterproof cover；611st, the first hatch frame；6111st, the plate of middle opening；612nd, it second opens
Mouth structure；6121st, the first side plate；6122nd, the second side plate；6123rd, third side plate；6124th, the 4th side plate；613rd, injection well；62、
Waterproof case；621st, the second connection structure；63rd, flexible piece；64th, hoop part；65th, guard tube；66th, fastener；67th, lock sleeve；
7th, air supply plant；
8th, wire feeder；
9th, welding base metal.
Specific embodiment
Below based on embodiment, present invention is described, it should be understood by one skilled in the art that provided herein
Attached drawing is provided to the purpose of explanation, and attached drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise throughout the specification and claims " comprising ", "comprising" etc. are similar
Word should be construed to the meaning included rather than exclusive or exhaustive meaning；That is, it is containing for " including but not limited to "
Justice.
Shown referring to Figures 1 and 2, the present invention provides a kind of underwater electric arc increasing material manufacturing equipment, for Underwater Welding.
Underwater electric arc increasing material manufacturing equipment includes power supply 1, welding wire 2, welding gun 3, ignition tip 4 and attaching means 5, the power supply 1
For providing the electric current of the fusing of welding wire 2, the welding gun 3 is connect with the ignition tip 4, and the welding gun 3 for example can be underwater wet
Method welding welding-gun 3, is provided with through-hole 41 on the welding gun 3 and the ignition tip 4, the welding wire 2 pass through the through-hole 41 and
The welding gun 3 is stretched out in the end of the welding wire 2.
The attaching means 5 is connect with the welding gun 3, and the attaching means 5 constrains the molten metal of welding process, with
Structural member collapsing of the edges caused by preventing weld seam molten bath flow faster.
In order to avoid influence of the water to arc stability, the underwater electric arc increasing material manufacturing equipment further includes water repellent component 6
And air supply plant 7, the protection hermetic seal that the water repellent component 6 is used to export the air supply plant 7 is in welding section.Preferably,
When welding wire 2 is flux-cored wire, the protection gas that the air supply plant 7 provides is air, when the welding wire 2 is solid core welding wire,
The protection gas that the air supply plant 7 provides is carbon dioxide, argon gas, carbon dioxide and argon gas gaseous mixture, carbon dioxide and oxygen
Gaseous mixture, carbon dioxide and argon gas and oxygen mixture.
A kind of matrix embodiment of the water repellent component 6 is that the water repellent component 6 includes waterproof cover 61, waterproof case 62
With flexible piece 63.The waterproof cover 61 includes the first hatch frame 611 and the second hatch frame 612, and the waterproof cover 61 is arranged
On the outer wall of the welding gun 3, the first hatch frame 611 and the welding gun 3 of the waterproof cover 61 are tightly connected, it is preferable that
The water repellent component 6 further includes hoop part 64, and the first hatch frame 611 of the waterproof cover 61 passes through the hoop part 64 and institute
Welding gun 3 is stated to be tightly connected.
The flexible piece 63 passes through the waterproof case 62, the second hatch frame of the attaching means 5 and the waterproof cover 61
612 connections, it is preferable that the flexible piece 63 includes draining felt, and the water repellent component includes lock sleeve 67, the draining felt
It is connected on the waterproof case 62 and the attaching means 5 by the lock sleeve 67, during welding, the draining felt
It is bonded with the molten metal, so that the gas in the air supply plant 7 is from the draining felt and the molten metal
Joint place be discharged into water, and water can not enter welding section from the joint place of the draining felt and the molten metal.Certainly,
When not welded, the draining felt is bonded with welding base metal 9.
Preferably, the cross section of the second hatch frame 612 of the seal closure is frame-type structure, and the attaching means 5 includes
Two restraining plates, two restraining plates are connected to the opposite sides face of the seal closure 61, and the waterproof case 62 includes
Two splash guards, two splash guards are connected to the other two sides of the waterproof cover 61.It is appreciated that it is oppositely arranged
The distance between the inner wall of the attaching means 5 be less than the width of molten metal, can be realized in this way to molten metal side wall
Mechanical constraint.Preferably, the waterproof cover 61 includes the first side plate 6121, the second side plate 6122, third side plate 6123 and the
Four side plates, 6124 (not shown), first side plate 6121, the second side plate 6122,6123 and the 4th side plate of third side plate
6124 form frame-type structure, and the frame-type structure forms the second hatch frame 612, and the waterproof cover 61 further includes middle opening
Plate 6111, the plate 6111 of the middle opening are arranged on one end of second hatch frame 612, the middle opening
Plate 6111 forms the first hatch frame 611.
Injection well 613 is additionally provided on the waterproof cover 61, the injection well 613 is connected with the air supply plant 7 sealing.
Preferably, the water repellent component 6 further includes guard tube 65, and the injection well 613 on the waterproof cover 61 passes through the guard tube 65
It is connected with the air supply plant 7 sealing.
In order to enable the underwater electric arc increasing material manufacturing equipment of the present invention is in use, attaching means 5 and waterproof case 62 away from
Can be adjusted with a distance from cladding layer so that attaching means 5 to the effect of contraction and water repellent component 6 of cladding layer to welding section
Waterproof action can be with the height change for the weld seam successively accumulated, the attaching means 5 includes multiple first connection structures 51, institute
Stating waterproof cover 61, selectively the first connection structures 51 different from the attaching means 5 are tightly connected, and the waterproof case 62 includes
Multiple second connection structures 621, selectively different second connection structures 621 are close from the waterproof case 62 for the waterproof cover 61
Envelope connection.Preferably, the water repellent component 6 further includes fastener 66,51 and second connection structure 621 of the first connection structure
For mounting groove, the waterproof cover 61 is selectively installed from the different mounting grooves of the attaching means 5, the different of the waterproof case 62
Slot is tightly connected by the fastener 66.
It is appreciated that under water during electric arc increasing material manufacturing production structural member, caused by welding rod is replaced in order to prevent
Inconvenience, the underwater electric arc increasing material manufacturing equipment further include wire feeder 8, and the wire feeder 8 is used to convey the welding wire 2,
So that when production, work continuously, save the time.
In order to generate structural member of different shapes, the attaching means 5 includes with the wall surface that the molten metal contacts
The combination of plane, curved surface, plane and curved surface, to complete the manufacture of the entity of different shape structural member.
It is further preferred that the material of the attaching means 5, waterproof case 62, waterproof cover 61 is red copper, the thermal conductivity of red copper compared with
Height, molten metal are not easy to be connected in red copper when solidifying.
The application method of the underwater electric arc increasing material manufacturing equipment of the present invention includes the following steps：
Step 1：Distance between two 5 inner walls of attaching means is set, it is made to be less than the width of molten metal, is led described in setting
Sparking plug 4 arrives the distance of welding base metal 9, and is moved to position to be welded；
Step 2：First hatch frame 611 of the waterproof cover 61 is sealably coupled on the outer wall of the welding gun 3, institute
It states and the waterproof case 62 and the attaching means 5 is tightly connected on the second hatch frame 612 of waterproof cover 61；
Step 3：The draining felt is sealably coupled to the lower end of the attaching means 5 and the waterproof case 62 respectively, is adjusted
Mounting groove on the whole attaching means 5 and the waterproof case 62 makes the lower end of the draining felt closely be pasted with welding base metal 9
It closes, then welding gun 3 is fixed on welding robot；
Step 4：Start air supply plant 7, be passed through protection gas in advance, observation draining felt is bonded with the welding base metal 9
Whether place has bubble effusion；
Step 5：When there is bubble effusion in the joint place of draining felt and welding base metal 9, the source of welding current 1, same time shift are connected
Dynamic welding gun 3, carries out the welding of the first cladding layer on welding base metal 9, closes the source of welding current 1 after the completion, is closed after a period of time
Air supply plant 7 is closed, to prevent water is too fast from entering in welding section, and then reduces the cooling velocity in weld seam molten bath；
Step 6：Welding gun 3 is lifted up by welding robot, ensures 4 bottom end of ignition tip to the first overlay
The distance on surface is equal to the distance that ignition tip 4 in step 1 arrives welding base metal 9, adjusts the constraint being connect with the seal closure
The mounting groove of part 5, the waterproof case 62 makes to be connected to the draining felt on attaching means 5 and is fitted closely with welding base metal 9,
The draining felt being connected on the waterproof case 62 is fitted closely with the first cladding layer；
Step 7：Continue startup air supply plant 7 and be passed through protection gas, in the first cladding when having bubble effusion at draining felt
The surface of layer carries out the welding of the second cladding layer, closes the source of welding current 1 after the completion, and air supply plant 7 is closed after a period of time；
Step 8：Repeat third layer, the 4th layer to n-th layer of deposition, until realizing the entity manufacture of structural member.
Preferably, the distance between two 5 inner walls of attaching means be 4-10mm, 4 end of ignition tip to welding base metal 9 away from
It is 20-50L/min from the throughput for 10-20mm, the air supply plant 7, the air supply plant 7 delays the time as 10-30s.
In underwater electric arc increasing material manufacturing equipment provided by the invention, first, during electric arc deposited, two constraints are utilized
The inner wall distance of part 5 is less than the width of practical molten metal, realizes that attaching means 5 shapes the pressure of molten metal, raising finishes
The precision of component reduces the loose of sedimentary and collapses, so that the dense structure of structural member；Secondly, attaching means 5 uses
Red copper material so that molten metal will not be connected when solidifying with attaching means 5, ensure that deposition rate；Furthermore it is sought using gas is protected
The gaseous environment of welding section is made, so as to improve arc stability, and then improves welding quality；Finally, it is of the invention underwater
Electric arc increasing material manufacturing equipment cost is cheap, easy to operate, has and is widely applied very much value.
For those skilled in the art it is easily understood that under the premise of not conflicting, above-mentioned each preferred embodiment can be free
Ground combination, superposition.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For, the present invention can have various modifications and changes.All any modifications made within spirit and principles of the present invention are equal
Replace, improve etc., it should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of underwater electric arc increasing material manufacturing equipment, which is characterized in that including power supply, welding wire, welding gun, ignition tip and attaching means,
The power supply is used to provide the electric current of wire melting, and the welding gun is connect with the ignition tip, the welding gun and the ignition tip
On be provided with through-hole, the welding wire passes through the end of the through-hole and the welding wire to stretch out the welding gun, the attaching means with
The welding gun connection, the molten metal that the attaching means is used to form welding process constrain.
2. underwater electric arc increasing material manufacturing equipment according to claim 1, which is characterized in that the underwater electric arc increasing material manufacturing
Equipment further includes water repellent component and air supply plant, and the water repellent component is used to exist the protection hermetic seal that the air supply plant exports
Welding section.
3. underwater electric arc increasing material manufacturing equipment according to claim 2, which is characterized in that the water repellent component includes waterproof
Cover, waterproof case and flexible piece, the waterproof cover include the first hatch frame and the second hatch frame, and the waterproof cover is set in institute
It states on the outer wall of welding gun, the first hatch frame and the welding gun of the waterproof cover are tightly connected, and the flexible piece passes through described
Waterproof case, the attaching means are connect with the second hatch frame of the waterproof cover, and injection well, institute are additionally provided on the waterproof cover
Injection well is stated to connect with air supply plant sealing.
4. underwater electric arc increasing material manufacturing equipment according to claim 3, which is characterized in that the water repellent component further includes hoop
Shape part, the first hatch frame of the waterproof cover are tightly connected by the hoop part and the welding gun.
5. underwater electric arc increasing material manufacturing equipment according to claim 3, which is characterized in that the second opening of the seal closure
The cross section of structure is frame-type structure, and the attaching means includes two restraining plates, and two restraining plates are connected to described
The opposite sides face of seal closure, the waterproof case include two splash guards, and two splash guards are connected to the waterproof
The other two sides of cover.
6. underwater electric arc increasing material manufacturing equipment according to claim 3, which is characterized in that the attaching means includes multiple the
One connection structure, selectively the first connection structures different from the attaching means are tightly connected the waterproof cover；And/or
The waterproof case include multiple second connection structures, the waterproof cover selectively it is different from the waterproof case second companies
Binding structure is tightly connected.
7. underwater electric arc increasing material manufacturing equipment according to claim 6, which is characterized in that the water repellent component further includes tightly
Firmware, first connection structure and/or the second connection structure be mounting groove, the waterproof cover selectively with the attaching means
Different mounting grooves and/or the different mounting grooves of the waterproof case be tightly connected by the fastener.
8. underwater electric arc increasing material manufacturing equipment according to claim 3, which is characterized in that the flexible piece includes draining hair
Felt.
9. underwater electric arc increasing material manufacturing equipment according to claim 1, which is characterized in that the attaching means and the melting
The wall surface of metal contact includes plane and/or curved surface.
10. underwater electric arc increasing material manufacturing equipment according to claim 1, which is characterized in that the underwater electric arc increases material system
Manufacturing apparatus further includes wire feeder, and the wire feeder is used to convey the welding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005299.8A CN108161173A (en) | 2018-01-03 | 2018-01-03 | Underwater electric arc increasing material manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005299.8A CN108161173A (en) | 2018-01-03 | 2018-01-03 | Underwater electric arc increasing material manufacturing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108161173A true CN108161173A (en) | 2018-06-15 |
Family
ID=62517331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810005299.8A Pending CN108161173A (en) | 2018-01-03 | 2018-01-03 | Underwater electric arc increasing material manufacturing equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817611A (en) * | 2018-06-29 | 2018-11-16 | 山东大学 | It is a kind of to force to restrain type electric arc metal increasing material manufacturing device |
| CN108971717A (en) * | 2018-09-17 | 2018-12-11 | 山东船舶技术研究院 | A kind of the electric arc air bag auxiliary steady experimental device and its application method of wet process welding |
| CN110814467A (en) * | 2019-12-03 | 2020-02-21 | 天津工业大学 | Path correction method for eliminating edge collapse of arc additive manufacturing component |
| CN111558776A (en) * | 2019-02-13 | 2020-08-21 | 赛峰航空器发动机 | Device for three-dimensional printing by metal deposition |
| CN113618195A (en) * | 2021-07-29 | 2021-11-09 | 华南理工大学 | Underwater all-position local dry pulse MIG welding system and welding method |
| CN113977035A (en) * | 2021-10-20 | 2022-01-28 | 哈尔滨工业大学（威海） | Protective device for liquid protection welding and using method thereof |
| CN115213576A (en) * | 2022-08-02 | 2022-10-21 | 哈尔滨工业大学（威海） | Ultrasonic-assisted underwater laser arc composite material increase equipment |
| CN117548692A (en) * | 2024-01-11 | 2024-02-13 | 广东腐蚀科学与技术创新研究院 | High-pressure environment laser cladding material increase experiment platform device |
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| US6889889B2 (en) * | 2003-06-05 | 2005-05-10 | General Electric Company | Fusion-welding of defective components to preclude expulsion of contaminants through the weld |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817611A (en) * | 2018-06-29 | 2018-11-16 | 山东大学 | It is a kind of to force to restrain type electric arc metal increasing material manufacturing device |
| CN108971717A (en) * | 2018-09-17 | 2018-12-11 | 山东船舶技术研究院 | A kind of the electric arc air bag auxiliary steady experimental device and its application method of wet process welding |
| CN111558776A (en) * | 2019-02-13 | 2020-08-21 | 赛峰航空器发动机 | Device for three-dimensional printing by metal deposition |
| CN111558776B (en) * | 2019-02-13 | 2023-10-20 | 赛峰航空器发动机 | Device for three-dimensional printing by metal deposition |
| CN110814467A (en) * | 2019-12-03 | 2020-02-21 | 天津工业大学 | Path correction method for eliminating edge collapse of arc additive manufacturing component |
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Application publication date: 20180615 |
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