CN107876938A - Bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing - Google Patents
Bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing Download PDFInfo
- Publication number
- CN107876938A CN107876938A CN201710959782.5A CN201710959782A CN107876938A CN 107876938 A CN107876938 A CN 107876938A CN 201710959782 A CN201710959782 A CN 201710959782A CN 107876938 A CN107876938 A CN 107876938A
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- CN
- China
- Prior art keywords
- electric arc
- mechanical arm
- arm swing
- increasing material
- material manufacturing
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- 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.)
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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
-
- 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
- B23K9/095—Monitoring or automatic control of welding parameters
Abstract
Bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing.Heat melts silk material is provided using welding machine in this method, the mode of mechanical arm control forming path realizes the electric arc increasing material manufacturing of structural member.Wherein, overlap between being related to and realized by way of mechanical arm swing.First, required technological parameter is obtained by engineer testing；Secondly, slicing treatment is carried out to the threedimensional model of part, obtains the machining path that electric arc increases material；Finally, the accumulation of entity structure part is completed according to the path of planning and parameter.Single track the ratio of width to height that mechanical arm swing mode proposed by the invention shapes is larger, and the overlap joint between realizing well, when avoiding multi-track overlapping between road the problem of performance deficiency, formed parts overall performance is also improved.This method realizes the development of high-performance super large wall thickness structural member well.
Description
Technical field
The invention belongs to material increasing field, and in particular to be taken between a kind of electric arc increasing material manufacturing road based on mechanical arm swing
Connect method.
Background technology
Increases material manufacturing technology is based on discrete-accumulation principle, passes through successively fusing of the set thermal source to metal material, deposition
Growth, it is the important directions that the advanced manufacture of following structural member develops directly by threedimensional model near-net-shape high performance structural member.
Wherein, electric arc increasing material manufacturing is to use arc heat as a kind of increases material manufacturing technology that thermal source, silk material are raw material.With
Other metal increases material manufacturing technologies compare, electric arc increases material manufacturing technology have equipment cost it is low (laser of laser gain material into
Originally be several times of electric arc increasing material manufacturing whole system even upper ten times), deposition efficiency it is high (up to several per hour kilograms of depositions speed
Degree), operating cost it is low (electricity-transferred arc rate more than 85%, and electrical-optical conversion ratio at most also only have 25% or so) the advantages that.
However, for some silk materials (such as GH4169) that electric arc increases material, molten drop and poor (the angle of wetting θ of substrate wetability
>=90 °), if not by the way of mechanical arm swing, will be unable to be difficult to meet wall thickness requirement using electric arc increasing material shaping single track
Super large wall thickness (wall thickness >=20mm) structural member.
The content of the invention
Present invention solves the technical problem that it is：Overcome the deficiencies in the prior art, there is provided one kind is based on mechanical arm swing
Electric arc increasing material manufacturing road between bridging method, solve in electric arc increasing material manufacturing super large wall thickness structural member and to overlap performance not between road
The problem that foot can not even overlap.
The technical scheme is that：Bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing, step
It is as follows：
1) the mechanical arm pendulum needed for determining under the forming parameters and this group of forming parameters needed for component to be formed
Dynamic parameter area；
2) treat formed parts threedimensional model and carry out slicing treatment, obtain the machining path that electric arc increases material；
3) substrate is fixed on workbench, ensures that it is horizontal；
4) electric arc for completing to treat shaped component with mechanical arm swing parameter according to desired trajectory and forming parameters increases
Material.
The substrate need to through overpickling, polish flat after, with absolute ethyl alcohol or acetone wiped clean.
The former material that electric arc increases material is selected as any one welding wire of 0.8mm, 1.2mm and 1.6mm.
The forming parameters include：3~10m/min of wire feed rate；80~300A of welding current；Speed of welding 7~
12mm/s；The width 6-10mm of single-pass welding；1.5~3mm of height of single-pass welding.
Described mechanical arm swing parameter is：Hunting frequency 3-10Hz；Wobble amplitude 0.5-6mm；The left and right sides residence time
0.050-0.150s。
Electric arc uses 99.999% high-purity argon to carry out front protecting during increasing material, and gas flow is：20~25L/min.
Bottoming is carried out on substrate, after the completion of bottoming, forming parameters is used instead and carries out entity part accumulation；In bottoming and reality
Body portion banking process uses C+P patterns, i.e. cold metal transfer+pulse mode, and the use of three layers of bottom is bigger than forming current by 20
~60A welding current bottoming, top are accumulated to obtain entity using forming parameters by path planning.
Mechanical arm swing type in mechanical arm swing parameter includes sinusoidal pattern swing, round swing and 8 fonts and swung.
During entity part accumulation, entity part is a pair of angle steel joints with outer course arcing point per Ceng Nei roads, 2n+1
Layer is identical with the arcing point of the 2nd (n+1) layer, and adjacent layer welding gun direction of travel is opposite；Wherein n is zero-based integer, when n is
During even number, arcing point is one pair of which angle steel joint；When n is odd number, arcing point is another pair angle steel joint.
After finishing every Ceng Nei roads, welding gun offsets certain offset and completes the accumulation of outer course again with good between realizing
Overlap joint, the width that welding gun offset is chosen for single-pass welding subtract 2~5mm.
The present invention compared with prior art the advantages of be：The present invention carries out electric arc increasing by the way of mechanical arm swing
Material, it for various metal materials, can play a part of allowing metal fully to sprawl, make single cladding slice width height bigger, can be very
Overlapped between realizing well, some materials are insufficient without performance is overlapped between can not overlap when swinging and road when avoiding multi-track overlapping
The problem of, formed parts overall performance is also improved, and realizes high-performance super large wall thickness (wall thickness >=20mm) knot well
The development of component.
Brief description of the drawings
Fig. 1 is 3 kinds of different swing schematic diagrames for swinging type；
Fig. 2 is bonding state schematic diagram；
Structural member path schematic diagram when Fig. 3 is increases material.
Embodiment
Overlapped between a kind of electric arc increasing material manufacturing road based on mechanical arm swing, step is as follows：
1) the mechanical arm pendulum needed for determining under the forming parameters and this group of forming parameters needed for component to be formed
Dynamic parameter area；
2) treat formed parts threedimensional model and carry out slicing treatment, obtain the machining path that electric arc increases material；
3) substrate is fixed on workbench, ensures that it is horizontal；
4) electric arc for completing to treat shaped component with mechanical arm swing parameter according to desired trajectory and forming parameters increases
Material.
The substrate need to through overpickling, polish flat after, with absolute ethyl alcohol or acetone wiped clean.
It is 0.8mm, 1.2mm and 1.6mm welding wire that the former material of electric arc increasing material, which is selected,.
The forming parameters include：3~10m/min of wire feed rate；80~300A of welding current；Speed of welding 7~
12mm/s；The width 6-10mm of single-pass welding；1.5~3mm of height of single-pass welding.
Described mechanical arm swing parameter is：Hunting frequency 3-10Hz；Wobble amplitude 0.5-6mm；The left and right sides residence time
0.050-0.150s。
Electric arc uses 99.999% high-purity argon to carry out front protecting during increasing material, and gas flow is：20~25L/min.
Bottoming is carried out on substrate, after the completion of bottoming, forming parameters is used instead and carries out entity part accumulation；In bottoming and reality
Body portion banking process uses C+P patterns, i.e. cold metal transfer+pulse mode, and the use of three layers of bottom is bigger than forming current by 20
~60A welding current bottoming, top are accumulated to obtain entity using forming parameters by path planning.
As shown in figure 1, the mechanical arm swing type in mechanical arm swing parameter includes sinusoidal pattern swing, round swing and 8
Font is swung.
During entity part accumulation, entity part is a pair of angle steel joints with outer course arcing point per Ceng Nei roads, 2n+1
Layer is identical with the arcing point of the 2nd (n+1) layer, and adjacent layer welding gun direction of travel is opposite；Wherein n is zero-based integer, when n is
During even number, arcing point is one pair of which angle steel joint；When n is odd number, arcing point is another pair angle steel joint.
After finishing every Ceng Nei roads, welding gun offsets certain offset and completes the accumulation of outer course again with good between realizing
Overlap joint, the width that welding gun offset is chosen for single-pass welding subtract 2~5mm.
Heat melts silk material is provided using welding machine in the inventive method, the mode of mechanical arm control forming path realizes structure
The electric arc increasing material manufacturing of part.For those molten drops and the material of substrate wetability poor (angle of wetting θ >=90 °), as shown in Figure 2
To overlap schematic diagram without adjacent twice in the case of swing and swing, in the case of not swinging, adjacent twice overlap joint, which occurs, " fills out not
It is full " defect, fully sprawling for overlay can be realized by the swing of mechanical arm, can thus be realized well between adjacent twice
Overlap joint.First pass through forming parameters (such as wire feed rate and speed of welding) and the group tested and obtained shaping needed for the component
The scope of mechanical arm swing parameter (frequency, amplitude and stand-by period etc.) needed under forming parameters；Secondly, to part three
Dimension module carries out slicing treatment, obtains the machining path that electric arc increases material；Then, the substrate through overpickling is polished flat and uses nothing
It is fixed on after water-ethanol or acetone wiped clean on workbench, ensures that it is horizontal；Finally, according to desired trajectory and forming technology
Parameter completes the electric arc increasing material manufacturing of structural member with mechanical arm swing parameter.
Hereafter the specific method of the present invention is illustrated by example：
Example：The electric arc increasing material manufacturing of 25mm thickness GH4169 high temperature alloys rectangular structural member
Specific implementation method is：It is poor with substrate wetability for GH4169 high-temperature alloy materials, and single track shapes
It is difficult to the wall thickness demand for meeting 25mm, therefore the mode for being considered as mechanical arm swing and multi-track overlapping completes the electric arc of the structural member
Increasing material manufacturing.The parameter that requirement is met by fundamental technology experiment is as follows：Welding current 205A, wire feed rate 8m/min,
Speed of welding 6mm/s；Swing situation is：Sinusoidal pattern is swung, frequency 6Hz, amplitude 5mm, left and right sides stand-by period 0.1s；Single-run welding
Slit width degree 16mm, height 2mm, welding gun offset is 13mm；Using 99.999% high-purity argon carry out front protecting, flow (20~
25)L/min；Hierarchy slicing is carried out to rectangular structural member according to every layer of 2mm, specific path schematic diagram is as shown in Figure 3；Will be through peracid
The substrate washed polishes flat and fixed on the table after using acetone wiped clean, ensures that its is horizontal；Increase material path according to electric arc
Increase material with forming parameters and the reciprocal electric arc of mechanical arm swing parameter cyclic to shape to obtain long 400mm, wide 200mm, it is high
400mm, wall thickness 25mm GH4169 rectangular structural members.
Unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.Those skilled in the art easily manages
Solution, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in the spiritual and former of the present invention
All any modification, equivalent and improvement made within then etc., should be included within the scope of the present invention.
Claims (10)
1. bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing, it is characterised in that step is as follows：
1) the mechanical arm swing ginseng needed for determining under the forming parameters and this group of forming parameters needed for component to be formed
Number scope；
2) treat formed parts threedimensional model and carry out slicing treatment, obtain the machining path that electric arc increases material；
3) substrate is fixed on workbench, ensures that it is horizontal；
4) increase the machining path of material according to obtained electric arc and forming parameters are completed to be formed with mechanical arm swing parameter
The electric arc of component increases material.
2. bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing according to claim 1, its feature
It is：The substrate need to through overpickling, polish flat after, with absolute ethyl alcohol or acetone wiped clean.
3. bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing according to claim 1, its feature
It is：The former material that electric arc increases material is selected as any one welding wire of 0.8mm, 1.2mm and 1.6mm.
4. bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing according to claim 1, its feature
It is：The forming parameters include：3~10m/min of wire feed rate；80~300A of welding current；Speed of welding 7~
12mm/s；The width 6-10mm of single-pass welding；1.5~3mm of height of single-pass welding.
5. bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing according to claim 1, its feature
It is：Described mechanical arm swing parameter is：Hunting frequency 3-10Hz；Wobble amplitude 0.5-6mm；The left and right sides residence time
0.050-0.150s。
6. bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing according to claim 1, its feature
It is：Electric arc uses 99.999% high-purity argon to carry out front protecting during increasing material, and gas flow is：20~25L/min.
7. bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing according to claim 1, its feature
It is：Bottoming is carried out first on substrate when increasing material, after the completion of bottoming, forming parameters is used instead and carries out entity part accumulation；
Use C+P patterns, i.e. cold metal transfer+pulse mode in bottoming and entity part banking process, the use of three layers of bottom liken to
Big 20~the 60A of shape electric current welding current bottoming, top are accumulated to obtain entity using forming parameters by path planning.
8. bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing according to claim 1-7 is any,
It is characterized in that：Mechanical arm swing type in mechanical arm swing parameter includes sinusoidal pattern swing, round swing and 8 fonts pendulum
It is dynamic.
A kind of 9. aluminum alloy junction component multilayer two pass electric arc increasing material manufacturing method according to claim 7, it is characterised in that：
During the entity part accumulation, entity part is a pair of angle steel joints, 2n+1 layers and the 2nd (n with outer course arcing point per Ceng Nei roads
+ 1) arcing point of layer is identical, and adjacent layer welding gun direction of travel is opposite；Wherein n is zero-based integer, when n is even number, is risen
Acnode is one pair of which angle steel joint；When n is odd number, arcing point is another pair angle steel joint.
10. a kind of aluminum alloy junction component multilayer two pass electric arc increasing material manufacturing method according to claim 7, its feature exist
In：After finishing every Ceng Nei roads, welding gun offsets certain offset and completes the accumulation of outer course again with the good overlap joint between realizing,
The width that welding gun offset is chosen for single-pass welding subtracts 2~5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959782.5A CN107876938A (en) | 2017-10-16 | 2017-10-16 | Bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing |
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|---|---|---|---|
| CN201710959782.5A CN107876938A (en) | 2017-10-16 | 2017-10-16 | Bridging method between a kind of electric arc increasing material manufacturing road based on mechanical arm swing |
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| CN107876938A true CN107876938A (en) | 2018-04-06 |
Family
ID=61781470
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941858A (en) * | 2018-09-04 | 2018-12-07 | 中国人民解放军陆军装甲兵学院 | A kind of fracture plate MIG arc-welding increasing material reproducing method |
| CN109530859A (en) * | 2018-12-26 | 2019-03-29 | 北京航星机器制造有限公司 | A kind of GH4099 high temperature alloy structural member electric arc increasing material manufacturing method |
| CN110625219A (en) * | 2019-09-04 | 2019-12-31 | 上海工程技术大学 | Electric arc additive manufacturing process for thick-wall aluminum alloy structural parts with different thicknesses |
| CN110883402A (en) * | 2019-12-04 | 2020-03-17 | 中国航空制造技术研究院 | Electric arc additive manufacturing method |
| CN110899905A (en) * | 2019-12-03 | 2020-03-24 | 天津工业大学 | Arc additive manufacturing-based polygonal component sharp-angle path correction method |
| CN111014886A (en) * | 2019-12-30 | 2020-04-17 | 中国电子科技集团公司第二十研究所 | Manufacturing method of aluminum alloy box body type part based on electric arc additive |
| CN111390344A (en) * | 2020-03-23 | 2020-07-10 | 北京航星机器制造有限公司 | Method for planning electric arc additive manufacturing path without lap joint in layer |
| CN112846445A (en) * | 2020-12-31 | 2021-05-28 | 南京英尼格玛工业自动化技术有限公司 | Metal structure multilayer multi-channel composite electric arc additive manufacturing method and system |
| CN113695709A (en) * | 2021-09-06 | 2021-11-26 | 上海航天精密机械研究所 | Aerospace force-bearing structure arc fuse additive path planning method for designing tail stock |
| CN114951924A (en) * | 2022-05-28 | 2022-08-30 | 上海航天精密机械研究所 | Electric arc additive manufacturing method for magnesium alloy cabin with inner flange structure |
| CN115007969A (en) * | 2022-06-10 | 2022-09-06 | 成都飞机工业（集团）有限责任公司 | CMT + P arc additive manufacturing surface forming quality control method |
| CN115319420A (en) * | 2022-08-29 | 2022-11-11 | 中国电子科技集团公司第十四研究所 | Manufacturing method of titanium alloy disc type part based on electric arc additive |
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| CN107008996A (en) * | 2017-06-02 | 2017-08-04 | 河南科技大学 | A kind of method of metal cold welding increasing material manufacturing |
| CN107052520A (en) * | 2017-04-17 | 2017-08-18 | 北京航星机器制造有限公司 | A kind of single track electric arc, which is swung, increases the method that material shapes big wall thickness aluminum alloy junction component |
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| CN106825859A (en) * | 2017-01-16 | 2017-06-13 | 北京航星机器制造有限公司 | A kind of aluminum alloy junction component multilayer two pass electric arc increasing material manufacturing method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941858A (en) * | 2018-09-04 | 2018-12-07 | 中国人民解放军陆军装甲兵学院 | A kind of fracture plate MIG arc-welding increasing material reproducing method |
| CN109530859A (en) * | 2018-12-26 | 2019-03-29 | 北京航星机器制造有限公司 | A kind of GH4099 high temperature alloy structural member electric arc increasing material manufacturing method |
| CN110625219A (en) * | 2019-09-04 | 2019-12-31 | 上海工程技术大学 | Electric arc additive manufacturing process for thick-wall aluminum alloy structural parts with different thicknesses |
| CN110899905B (en) * | 2019-12-03 | 2024-04-16 | 天津工业大学 | Correction method for polygonal member sharp angle path based on arc additive manufacturing |
| CN110899905A (en) * | 2019-12-03 | 2020-03-24 | 天津工业大学 | Arc additive manufacturing-based polygonal component sharp-angle path correction method |
| CN110883402A (en) * | 2019-12-04 | 2020-03-17 | 中国航空制造技术研究院 | Electric arc additive manufacturing method |
| CN111014886A (en) * | 2019-12-30 | 2020-04-17 | 中国电子科技集团公司第二十研究所 | Manufacturing method of aluminum alloy box body type part based on electric arc additive |
| CN111390344A (en) * | 2020-03-23 | 2020-07-10 | 北京航星机器制造有限公司 | Method for planning electric arc additive manufacturing path without lap joint in layer |
| CN112846445A (en) * | 2020-12-31 | 2021-05-28 | 南京英尼格玛工业自动化技术有限公司 | Metal structure multilayer multi-channel composite electric arc additive manufacturing method and system |
| CN112846445B (en) * | 2020-12-31 | 2022-04-15 | 南京英尼格玛工业自动化技术有限公司 | Metal structure multilayer multi-channel composite electric arc additive manufacturing method and system |
| CN113695709A (en) * | 2021-09-06 | 2021-11-26 | 上海航天精密机械研究所 | Aerospace force-bearing structure arc fuse additive path planning method for designing tail stock |
| CN114951924B (en) * | 2022-05-28 | 2023-08-11 | 上海航天精密机械研究所 | Arc additive manufacturing method for magnesium alloy cabin with inner flange structure |
| CN114951924A (en) * | 2022-05-28 | 2022-08-30 | 上海航天精密机械研究所 | Electric arc additive manufacturing method for magnesium alloy cabin with inner flange structure |
| CN115007969A (en) * | 2022-06-10 | 2022-09-06 | 成都飞机工业（集团）有限责任公司 | CMT + P arc additive manufacturing surface forming quality control method |
| CN115007969B (en) * | 2022-06-10 | 2023-08-04 | 成都飞机工业（集团）有限责任公司 | Surface forming quality control method for CMT+P arc additive manufacturing |
| CN115319420A (en) * | 2022-08-29 | 2022-11-11 | 中国电子科技集团公司第十四研究所 | Manufacturing method of titanium alloy disc type part based on electric arc additive |
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