CN110170738A - A method of increasing material manufacturing is realized using backfill formula friction stir spot welding - Google Patents
A method of increasing material manufacturing is realized using backfill formula friction stir spot welding Download PDFInfo
- Publication number
- CN110170738A CN110170738A CN201910486417.6A CN201910486417A CN110170738A CN 110170738 A CN110170738 A CN 110170738A CN 201910486417 A CN201910486417 A CN 201910486417A CN 110170738 A CN110170738 A CN 110170738A
- Authority
- CN
- China
- Prior art keywords
- spot welding
- plate
- friction stir
- increasing material
- stir spot
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a kind of methods for realizing increasing material manufacturing using backfill formula friction stir spot welding, upper and lower two plate overlap joint is stirred friction spot welding, increasing the lower bundle depth of welding and adjusting welding parameter deliberately makes solder joint generate non-soldering connection defect, postwelding removes upper plate so that solder joint entirely stays in lower plate, and the increasing material manufacturing of lower plate is realized with this.Suitable for the material that can be all welded with backfill formula friction stir spot welding；Increase the solderable depth that material height depends on plate thickness and spot welding, secondary or even multiple spot-welded can be carried out until desired height in pad surface if you need to increase increasing material height；Increasing material size can be adjusted by changing stirring tool (stirring-head) size of backfill formula friction stir spot welding.The defect of script spot welding is converted to increasing material by the invention, is turned waste into wealth, and is of great significance to the light alloy increasing material manufacturing for being suitable for friction stir spot welding.
Description
Technical field
The present invention relates to a kind of friction stir spot welding, increases material manufacturing technology more particularly to a kind of stirred using backfill formula to rub
Wipe the method that increasing material manufacturing is realized in spot welding.
Background technique
Friction stir spot welding (FSSW) is a deriving technology of agitating friction weldering, and working principle and agitating friction weld base
This is identical, is a difference in that due to being the spot welding therefore not no continuous feed process of stirring tool.Conventional friction stir spot welding
Since stirring-head insertion stage part materials to be welded squeezes out welding section by force, terminate not having again in stirring-head extraction process in welding
Material filling is carried out to welding section, therefore postwelding remains and the approximate technique keyhole of mixing needle shape.
In order to overcome the shortcomings of spot area residual process hole, Germany GKSS (Riftec) company is proposed backfill within 1999
Formula friction stir spot welding scheme and device, technical characterstic are to use the split type stirring-head (mixing needle is cylindrical type) of planar end surface outside
One is added to be mainly used for the clamping sleeve for preventing welding section material excessive.This three of clamping sleeve, the shaft shoulder, mixing needle together constitutes back
Fill out the soldering appliance of formula friction stir spot welding.
In recent years, increasing material manufacturing becomes the direction of scientific rersearch of international the next item up hot topic, and many scientific research institutions attempt with various
Mode increases the increasing material that external filler realizes matrix on the surface of the material, including by way of being welded with agitating friction in some aluminium alloys
Material surface, which is realized, increases material, but the technology is at present still in the starting stage, and is realized and increased by backfill formula friction stir spot welding
There is presently no relevant open source informations for the idea of material.
Summary of the invention
The object of the present invention is to provide a kind of methods for realizing increasing material manufacturing using backfill formula friction stir spot welding.
The purpose of the present invention is what is be achieved through the following technical solutions:
The method for realizing increasing material manufacturing using backfill formula friction stir spot welding of the invention, comprising steps of
A, it polishes matrix plate and filler plate, clearly needs to increase the position of material in matrix plate surface mark later
It sets；
B, matrix plate and filler plate are fitted closely, filler plate is loaded on backfill formula in upper matrix plate under and stirs
It mixes on spot welding device, ensure bond pad locations using equipment itself fixture progress mount and needs to increase the position one of material
It causes；
C, welding condition is adjusted, lower bundle depth and lower bundle rate are increased, solder joint is deliberately made to occur not welding with upper plate
Close connection defect；
D, postwelding removes upper filler plate, and solder joint is entirely stayed in lower substrate plate.
As seen from the above technical solution provided by the invention, provided in an embodiment of the present invention to be rubbed using the stirring of backfill formula
The method that increasing material manufacturing is realized in spot welding is wiped, due to realizing.
Detailed description of the invention
Fig. 1 is that the method provided in an embodiment of the present invention for realizing increasing material manufacturing using backfill formula friction stir spot welding is illustrated
Figure.
In figure:
1, lower substrate plate, 2, backfill formula friction stir spot welding head, 3, upper filler plate.
Specific embodiment
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
The method for realizing increasing material manufacturing using backfill formula friction stir spot welding of the invention, preferable specific embodiment
As shown in Figure 1:
Comprising steps of
A, it polishes matrix plate and filler plate, clearly needs to increase the position of material in matrix plate surface mark later
It sets；
B, matrix plate and filler plate are fitted closely, filler plate is loaded on backfill formula in upper matrix plate under and stirs
It mixes on spot welding device, ensure bond pad locations using equipment itself fixture progress mount and needs to increase the position one of material
It causes；
C, welding condition is adjusted, lower bundle depth and lower bundle rate are increased, solder joint is deliberately made to occur not welding with upper plate
Close connection defect；
D, postwelding removes upper filler plate, and solder joint is entirely stayed in lower substrate plate.
In the step C, specific parameter setting is depending on different combinations of materials.
If you need to increase material height, then replace the lesser friction stir spot welding tool of diameter existing bond pad locations repeat with
Upper process.
The of the invention method for realizing increasing material manufacturing using backfill formula friction stir spot welding, by upper and lower two plate overlap into
Row friction stir spot welding, increasing the lower bundle depth of welding and adjusting welding parameter deliberately makes solder joint generate non-soldering connection defect,
Postwelding removes upper plate so that solder joint entirely stays in lower plate, and the increasing material manufacturing of lower plate is realized with this.The invention is suitable for
The material that can be all welded with backfill formula friction stir spot welding；Increase material height and depends on the solderable of plate thickness and spot welding
Depth can carry out secondary or even multiple spot-welded until desired height in pad surface if you need to increase increasing material height；It is big to increase material
It is small to be adjusted by changing stirring tool (stirring-head) size of backfill formula friction stir spot welding.The invention is by script spot welding
Defect be converted to increasing material, turn waste into wealth, to be suitable for friction stir spot welding light alloy increasing material manufacturing be of great significance.
The present invention carries out overlap joint spot welding to plate using backfill formula friction stir spot soldering equipment, and postwelding removes down upper plate,
Solder joint is completely stayed in lower plate, lower plate increasing material manufacturing is realized with this.Basis material of the lower plate as increasing material is overlapped, on
Plate is as filler.
The scope of application of the present invention is identical as the backfill scope of application of formula friction stir spot welding, and phase can be made by overlapping plate up and down
It is also possible to dissimilar material with material, can independently carries out combination of materials according to material demand is increased.
Lower plate is stayed in order to guarantee that solder joint smoothly falls off with upper plate, to the welding parameter of backfill formula friction stir spot welding
Adjust, by taking most common 6xxx line aluminium alloy plate as an example, welding parameter specifically include that mixing needle revolving speed, lower bundle depth,
Lower bundle rate, backfill rate etc., under pricking depth under should suitably increasing on original parameter basis for being conducive to welding and improve
Rate is pricked, solder joint is more advantageous to and falls off with upper plate.
Increasing material shape of the invention is cylindrical body, and the one-pass molding height for increasing material depends on the upper plate thickness of filler the most
And the weldable thickness of backfill formula friction stir spot welding, it can be with upper process in the multiple point of same position if you need to increase height
Weldering, stirring tool diameter used, which should gradually successively decrease, is less than last increasing material diameter with the stylish material diameter that increases once welded.
Method of the invention realizes increasing material manufacturing, first with basis material and filler is determined, by filler in upper matrix
It fits closely to be loaded on backfill formula friction stir spot soldering equipment under and carries out spot-welded, postwelding peels off upper plate, solder joint
Lower plate is entirely stayed in complete to increase material.Specifically adopt the following technical scheme that
(1) it polishes matrix and filler plate, clearly needs to increase the position of material in matrix surface mark later.
(2) matrix and filler plate are fitted closely, filler plate is loaded on the stirring of backfill formula in upper matrix plate under
On spot welding device, ensures bond pad locations using equipment itself fixture progress mount and need to increase the position consistency of material.
(3) welding condition is adjusted, lower bundle depth and lower bundle rate are increased, solder joint is deliberately made to occur not welding with upper plate
Connection defect is closed, specific parameter setting should be depending on different combinations of materials.
(4) postwelding removes upper filler plate, and solder joint is entirely stayed in lower substrate plate.It can be more if you need to increase material height
It changes the lesser friction stir spot welding tool of diameter and repeats the above process in existing bond pad locations.
By adopting the above-described technical solution, the invention has the advantages that and effect:
(1) application cost is low, easy to operate, can be completed using existing backfill formula friction stir spot soldering equipment and increases material system
It makes, only needs adjusting process parameter no replacement is required new equipment；
(2) applied widely, it is special as long as the method for the present invention can be used in the material for being suitable for backfill formula friction stir spot welding
It is not with aluminium alloy for main light alloy, is currently the main study subject of material increasing field；
(3) turn waste into wealth, environmentally protective, agitating friction welds inherently a kind of connection of the new green environment protection of low pollution
Mode, and the non-soldering of solder joint and base material connection is a kind of defect of backfill formula friction stir spot welding originally, the present invention utilizes this
Kind defect realizes increasing material manufacturing, provides a kind of new approaches for the field, more saving material, is that qualified energy conservation subtracts
Row.
Traditional backfill formula friction stir spot welding be in order to which upper and lower plate is welded together, therefore can adjusting process parameter
The defects of avoiding the occurrence of " burn-through ", non-soldering connection as far as possible, and the present invention is then on the contrary, occur solder joint and upper plate not
Soldering connection defect the solder joint of postwelding fall off from upper plate as far as possible to stay in lower plate.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (3)
1. a kind of method for realizing increasing material manufacturing using backfill formula friction stir spot welding, which is characterized in that comprising steps of
A, it polishes matrix plate and filler plate, clearly needs to increase the position of material in matrix plate surface mark later；
B, matrix plate and filler plate are fitted closely, filler plate is loaded on the stirring of backfill formula in upper matrix plate under and rubs
It wipes on spot-welding equipment, ensure bond pad locations using equipment itself fixture progress mount and needs to increase the position consistency of material；
C, welding condition is adjusted, lower bundle depth and lower bundle rate are increased, so that solder joint and upper plate non-soldering is occurred and connects
Connect defect；
D, postwelding removes upper filler plate, and solder joint is entirely stayed in lower substrate plate.
2. the method according to claim 1 for realizing increasing material manufacturing using backfill formula friction stir spot welding, which is characterized in that
In the step C, specific parameter setting should be depending on different combinations of materials.
3. the method according to claim 2 for realizing increasing material manufacturing using backfill formula friction stir spot welding, which is characterized in that
If you need to increase material height, then the lesser friction stir spot welding tool of diameter is replaced in existing bond pad locations and repeats the above process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486417.6A CN110170738B (en) | 2019-06-05 | 2019-06-05 | Method for realizing additive manufacturing by using backfill type friction stir spot welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486417.6A CN110170738B (en) | 2019-06-05 | 2019-06-05 | Method for realizing additive manufacturing by using backfill type friction stir spot welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110170738A true CN110170738A (en) | 2019-08-27 |
| CN110170738B CN110170738B (en) | 2021-04-02 |
Family
ID=67697114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910486417.6A Active CN110170738B (en) | 2019-06-05 | 2019-06-05 | Method for realizing additive manufacturing by using backfill type friction stir spot welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110170738B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522273A (en) * | 2014-10-22 | 2016-04-27 | 上海航天设备制造总厂 | Secondary back-filling type friction stir spot welding method |
| US20160175981A1 (en) * | 2014-12-17 | 2016-06-23 | Aeroprobe Corporation | Solid state joining using additive friction stir processing |
| US20160250727A1 (en) * | 2015-02-26 | 2016-09-01 | Airbus Group Sas | Friction stir welding: method and device for filling a hole at the end of welding or for repairing a welding defect |
| CN106862749A (en) * | 2017-01-23 | 2017-06-20 | 沈阳航空航天大学 | A kind of backfill formula friction stir spot welding method |
| CN108274110A (en) * | 2018-04-24 | 2018-07-13 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of speed variable backfill formula friction stir spot welding method |
| CN109175669A (en) * | 2018-09-17 | 2019-01-11 | 上海航天设备制造总厂有限公司 | A kind of friction spot welding increasing material manufacturing method |
-
2019
- 2019-06-05 CN CN201910486417.6A patent/CN110170738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522273A (en) * | 2014-10-22 | 2016-04-27 | 上海航天设备制造总厂 | Secondary back-filling type friction stir spot welding method |
| US20160175981A1 (en) * | 2014-12-17 | 2016-06-23 | Aeroprobe Corporation | Solid state joining using additive friction stir processing |
| US20160250727A1 (en) * | 2015-02-26 | 2016-09-01 | Airbus Group Sas | Friction stir welding: method and device for filling a hole at the end of welding or for repairing a welding defect |
| CN106862749A (en) * | 2017-01-23 | 2017-06-20 | 沈阳航空航天大学 | A kind of backfill formula friction stir spot welding method |
| CN108274110A (en) * | 2018-04-24 | 2018-07-13 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of speed variable backfill formula friction stir spot welding method |
| CN109175669A (en) * | 2018-09-17 | 2019-01-11 | 上海航天设备制造总厂有限公司 | A kind of friction spot welding increasing material manufacturing method |
Non-Patent Citations (2)
| Title |
|---|
| ZHIWU XU，ZHENGWEI LI，SHUDE JI，LIGUO ZHANG: "Refill friction stir spot welding of 5083-O aluminum alloy", 《JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY》 * |
| 石瑶，等: "回填式搅拌摩擦点焊的研究进展", 《机械制造文摘(焊接分册)》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110170738B (en) | 2021-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105081520A (en) | Full-automatic 9% Ni steel medium-thin plate vertical butt joint FCAW one-side welding and double-side molding technological method | |
| CN106862730A (en) | A kind of vertical butt welding method of slab | |
| CN104400215A (en) | Stirring head for friction stir overlap welding for reducing size of interface defect and welding method thereof | |
| CN101412142A (en) | Welding procedure of 0Cr11Ni2MoNbV light sheet material handwork tungsten electrode argon arc | |
| CN109877442A (en) | Improve the method for Aluminum Alloy Friction Stir Welding performance | |
| CN201645034U (en) | Resistance-type duplex spot welding soldering set | |
| CN110170738A (en) | A method of increasing material manufacturing is realized using backfill formula friction stir spot welding | |
| CN107378219A (en) | A kind of disk part by performing mash welder of convenient regulation | |
| CN205927480U (en) | Novel lithium cell spot welder | |
| CN208004973U (en) | A kind of welder for dust shroud repair welding | |
| CN102179618A (en) | Gluing and welding compound connection method | |
| CN109590599A (en) | A kind of double end Friction Stir Welding device and method | |
| CN206952331U (en) | A kind of ceramic substrate for exempting from back chipping welding procedure | |
| CN202846020U (en) | Resistance-heat-assistant backfill type friction electric-welding device | |
| CN104607745A (en) | Swirler vacuum brazing method | |
| CN207982661U (en) | A kind of right angle welding assistor | |
| CN202622181U (en) | Full-automatic laser welding machine | |
| CN204053209U (en) | The numerical control arc welding machine of a kind of all positon laser aiming, manually adjustment | |
| CN201227717Y (en) | Parallel welding and butt welding integrated machine | |
| CN202571547U (en) | Run-on tab for submerged-arc welding | |
| CN207735746U (en) | One kind connecing equipment for wind tower doorframe semiautomatic submerged arc welding | |
| CN207735768U (en) | Radium bonding wire carrier lifting body | |
| CN207914780U (en) | A kind of novel agitating friction repair-welding device | |
| CN207171221U (en) | Copper aluminium friction welding apparatuses | |
| CN206898556U (en) | A kind of metal welding wire welding equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |