CN107138829A - A kind of many electric arcs suitable for high-performance metal component cooperate with increasing material manufacturing method - Google Patents
A kind of many electric arcs suitable for high-performance metal component cooperate with increasing material manufacturing method Download PDFInfo
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- CN107138829A CN107138829A CN201710457628.8A CN201710457628A CN107138829A CN 107138829 A CN107138829 A CN 107138829A CN 201710457628 A CN201710457628 A CN 201710457628A CN 107138829 A CN107138829 A CN 107138829A
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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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
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Abstract
The invention belongs to increasing material manufacturing correlative technology field, increasing material manufacturing method is cooperateed with more particularly, to a kind of many electric arcs suitable for high-performance metal component, including：For hardware to be formed, the arc gum of the multiple separate and executable axle translations of XYZ tri- and angular turn is arranged, so that the relative position and operating attitude between them occur freely to change；Threedimensional model and forming path based on hardware, identical or different metal wire material is loaded onto to the wire feed system of each arc gum, and according to duty requirements, many Arc System increasing material manufacturing processes of hardware are performed using some in congruent melting pond, non-co- molten bath, this various modes of part congruent melting pond or combination.Pass through the present invention, the temperature field of deposit can be adjusted well, significantly improve metallization structure, realize higher efficiency and higher-quality electric arc increasing material manufacturing overall process, and the certain applications of the complicated hardware of some high-performance large-scales that are particularly suitable for use in.
Description
Technical field
The invention belongs to increasing material manufacturing correlative technology field, high-performance metal component is applied to more particularly, to one kind
Many electric arcs collaboration increasing material manufacturing method.
Background technology
So-called arc-melting metal wire material increases material manufacturing technology, is a kind of using electric arc as thermal source fusing metal silk material, and
So that quick increasing material manufacturing method of the silk material of fusing according to the set continuous stack shaping of forming path.Electric arc increasing material manufacturing
Technique is as small bath smelting metallurgical technology, and its accumulation horizon Metal Mechanic Property is good, and chemical composition is uniform.Electric arc increasing material manufacturing work
Skill for the increases material manufacturing technology of high energy beam (laser, electron beam) etc, with cost is low, efficiency high, space it is any
The features such as curve generating, thus suitable for the shaping of all kinds of large complicated hardwares.
In the prior art, the efficiency of electric arc fuse increasing material manufacturing is about 3kg/h-5kg/h (ferrous materials), and it shapes effect
Rate is higher compared with laser, electron beam type, but relatively low in the occasion still efficiency of molding large hardware.In addition, entering one
The research of step shows, in electric arc fuse banking process, and heat accumulation often makes stack shaping hardware coarse grains, causes
Penalty, it is impossible to meet the high performance requirements of band large-scale metal component.Correspondingly, this area need badly make it is further improve and
Improve, to conform better to the quality requirement increasingly lifted.
The content of the invention
For more than prior art not enough or Improvement requirement, high-performance metal component is applied to the invention provides one kind
Many electric arcs collaboration increasing material manufacturing method, it is special wherein by the way that monofilament electric arc fuse mechanism is changed into multifibres electric arc fuse mechanism
It is not also further multiple to specific set-up mode, manipulating principle, application conditions and the key process parameter of this multiple electric arc etc.
Aspect, which is made, targetedly to be studied and designs, and the temperature field of deposit should be able to be mutually adjusted well, metal group is significantly improved
Structure is knitted, higher efficiency and higher-quality electric arc increasing material manufacturing overall process is realized, and some high-performance that are particularly suitable for use in are big
The certain applications of type complexity hardware.
To achieve the above object, it is proposed, according to the invention, cooperateed with there is provided a kind of many electric arcs suitable for high-performance metal component
Increasing material manufacturing method, it is characterised in that this method includes：
(a) hardware to be formed is directed to, multiple separate arc gums are arranged, these arc gums are respectively provided with solely
Vertical power supply, and each both rectilinear movement can be performed along X-axis, Y-axis and Z-direction, also it can perform using Z axis as rotary shaft
Angle adjustment in the range of [0 °, 60 °], so that the relative position and operating attitude between them occur freely to change
Become；
(b) threedimensional model and forming path based on hardware, to the wire feed system of each arc gum load onto it is identical or
Different metal wire materials, and according to duty requirements, metal structure is performed using one kind or any combination in following operating modes
Many Arc System increasing material manufacturing processes of part：
(b1) congruent melting pond mode of operation：Relative spacing between the multiple arc gum is set smaller than 10mm,
Thus the cooperation of multiple arc gums is passed through in this case so that it is cold that the hardware of banking process obtains comparatively faster first
But speed；
(b2) not congruent melting pond mode of operation：Relative spacing between the multiple arc gum is set greater than
18mm, thus passes through the cooperation of multiple arc gums in this case so that the hardware of banking process obtains relatively slow
Second cooling velocity；
(b3) part congruent melting pond mode of operation：Relative spacing between the multiple arc gum is set at
The interval range of [10mm, 18mm], thus passes through the cooperation of multiple arc gums in this case so that the metal structure of banking process
Part obtains the 3rd cooling velocity, wherein the 3rd cooling velocity between first cooling velocity and second cooling velocity it
Between.
As it is further preferred that under described congruent melting pond mode of operation, each arc gum enters relative to the angle of Z axis
One step preferably set in (30 °, 60 °] interval range；Under described not congruent melting pond mode of operation, each arc gum is relative
Further preferably be set in the angle of Z axis (0 °, 10 °] interval range；In addition, in described part congruent melting pond Working mould
Under formula, each arc gum be further preferably set at relative to the angle of Z axis (10 °, 30 °] interval range.
Conceive more than, increasing material manufacturing process, monolithic molding effect are performed as a result of multifibres electric arc fuse mechanism
Rate is greatly improved, and the forming efficiency of such as 5 beam electric arc fuse increasing material manufacturings at least can reach 15kg/h (ferrous materials), significantly subtract
The curring time of band large-scale metal component is lacked；In addition, to relative distance and work posture between multi beam electric arc etc. more than
Key process parameter exclusively carries out research and designed, and actual test shows can Effective Regulation temperature field so that the gold of banking process
Important stage of the metal elements in cooling procedure especially from 800 DEG C to 300 DEG C can obtain the tissue of more high tenacity and higher intensity
Construction, while avoiding excessive grain from growing up；In addition, above-mentioned technique is also convenient for the synchronous increasing material manufacturing of a variety of different materials, and
Various modes can be adjusted flexibly according to demand, be therefore particularly suitable for the high-performance metal component manufacture field of many material gradient structures
Close.
As it is further preferred that the quantity of the multiple arc gum is preferably more than 5, and it each is equipped with position and appearance
State governor motion.
As it is further preferred that congruent melting pond mode of operation is preferably applied to, alloy content is high, easily form martensite
The hardware electric arc increasing material manufacturing process of tissue.
As it is further preferred that not congruent melting pond mode of operation is preferably applied to mild steel, micro alloyed steel, or not
Easily form the hardware electric arc increasing material manufacturing process of martensitic structure.
As it is further preferred that the part congruent melting pond mode of operation is preferably applied to low-alloy steel or may shape
Into the hardware electric arc increasing material manufacturing process of martensitic structure.
As it is further preferred that the hardware is preferably many material gradient structures.
In general, possess following compared with prior art, mainly by the contemplated above technical scheme of the present invention
Technological merit：
1st, it is remarkably improved electric arc and increases material forming efficiency：The efficiency of the shaping of list electric arc fuse increasing material manufacturing at present is only 3-
5kg/h (ferrous materials), by the present invention, for example when using 5 beam electric arc fuse increasing material manufacturing, its forming efficiency is at least up to
15kg/h (ferrous materials), reduces the curring time of band large-scale metal component；
2nd, importantly, by regulating and controlling relative distance and operating attitude between multi beam electric arc in the present invention, and to it
Specific span makes further targeted design, accordingly can effectively reach the temperature in regulation and control hardware banking process
Purpose, it is ensured that stage of the hardware in whole cooling procedure especially from 800 DEG C to 300 DEG C can obtain various appropriate
Different cooling, accordingly obtains high tenacity, high intensity and crystal grain and will not cross to be divided into big metal structure, and then needed for obtaining
High-performance large-scale hardware；
3rd, the present invention can also realize the increasing material manufacturing simultaneously of a variety of different materials.For example, can be in the respective wire feed of multi beam electric arc
The silk material of heterogeneity is put in system, thus the increasing material manufacturing simultaneously of the different metal wire material of Multiple components is easy to processing to be formed
The hardware of many material gradient structures and performance；
4th, according to the above method of the present invention while forming efficiency is improved, additionally it is possible in order to manipulate, strong adaptability
Mode regulate and control stack shaping hardware microstructure and property, realize high efficiency, the height of the complicated hardware of high-performance large-scale
Performance stack shaping, the electric arc for being therefore particularly suitable for the high-performance large-scale hardware on for example naval vessel, aviation etc increases material system
Make application scenario.
Brief description of the drawings
Fig. 1 is the exemplary many electric arcs collaboration increasing material manufacturing method being shown as constructed by the present invention by taking 5 beam electric arcs as an example
Electric arc arrangement schematic diagram；
Fig. 2 is the angle schematic diagram relative to Z-direction for the single electric arc being particularly shown in Fig. 1；
Fig. 3 a are the arc gum position views for being particularly shown under the congruent melting pond mode of operation according to the present invention；
Fig. 3 b are the arc gum position views for being particularly shown under the not congruent melting pond mode of operation according to the present invention；
Fig. 3 c are the arc gum position views for being particularly shown under the part molten bath mode of operation according to the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below each other it
Between do not constitute conflict can just be mutually combined.
Analysis based on foregoing Background Section, the performance of stack shaping component depends primarily on microscopic structure.According to
Metallography is theoretical with Welding Metallurgy, in the case where metal wire material composition is certain, to electric arc increasing material manufacturing deposit component groups
Knit play a decisive role be hardware in banking process temperature field, particularly cooling velocity from 800 DEG C to 300 DEG C.Phase
Ying Di, the application considers the structural transformation figure using deposit, and by way of more finely removing regulating and controlling temperature, it is ensured that
Appropriate different cooling can be obtained to come by high tenacity structural transformation area, and then ensure hardware in structural transformation process
Middle formation high tenacity, the tissue of high intensity, and avoid the problem of excessive grain is grown up as far as possible.
Fig. 1 is the exemplary many electric arcs collaboration increasing material manufacturing method being shown as constructed by the present invention by taking 5 beam electric arcs as an example
Electric arc arrangement schematic diagram.As shown in figure 1, the space length of this 5 beam electric arc, posture can independently regulate and control, namely these are mutual
5 independent beam electric arcs are arranged by certain form, and each electric arc is independent, and each own independent current source and position and attitude regulation mechanism
Deng can neatly adjust position and the posture of arc arc gum.In this way, closed by the relative position adjusted between 5 beam electric arcs
System and work posture etc., make to be formed under congruent melting pond, part congruent melting pond, three kinds of not congruent melting pond state, different conditions between 5 beam electric arcs
Cooling velocity of the hardware from 800 DEG C to 300 DEG C is different, obtains different microstructure and properties, realizes electric arc increasing material manufacturing gold
The regulation and control of metal elements microstructure and property.
More specifically, this five independent arc gums can be separately fixed on a mechanical device, wherein arc gum 1 can edge
X-axis, Y-axis and Z axis (namely left and right horizontal direction, pass perpendicularly through paper direction and vertical direction up and down, these three directions are total to
With the conventional XYZ coordinate system of construction) linear relative movement for example is produced via guide rail, it can also carry out in addition using Z axis as rotary shaft
Angle adjustment, wherein the angle between Z axis is integrally maintained in the range of 0~60 ° as shown in Figure 2, be derived from not
With the relative position and operating attitude of combination.Correspondingly, by the cooperation between these arc gums, congruent melting pond, part can be formed
The mode of operation of the three kinds of different conditions in congruent melting pond and not congruent melting pond, realizes that band large-scale metal component high efficiency, high-performance electric arc increase material
Manufacture.
As shown in Figure 3 a, when the relative spacing between 5 beam electric arcs is set smaller than 10mm, and can be further preferred
So that each arc gum relative to Z axis angle for example in (30 °, 60 °] interval range when, be now in congruent melting pond work
Pattern；In such a mode, arc heat is big in the accumulation of deposit component, cooling of the deposit component from 800 DEG C to 300 DEG C
Speed is slower；Further investigation revealed that, this mode of operation is suitable for that alloy content is higher, easily forms the metal of martensitic structure
Component electric arc increasing material manufacturing.
As shown in Figure 3 b, the relative spacing between 5 beam electric arcs is set greater than 18mm, now may be used
Still further preferably so that each arc gum relative to Z axis angle for example in (0 °, 10 °] interval range when, now locate
In non-molten bath mode of operation；In such a mode, arc heat is smaller in the heat accumulation of deposit component, deposit component from
800 DEG C to 300 DEG C of cooling velocity is fast；Further investigation revealed that, this mode of operation is suitable for mild steel, micro alloyed steel, no
Easily form the hardware electric arc increasing material manufacturing of martensitic structure.
As shown in Figure 3 c, when the relative spacing between 5 beam electric arcs is set at the interval range of [10mm, 18mm],
Now can also further preferably by each arc gum relative to Z axis angle for example in (10 °, 30 °] interval range when, this
When be in part molten bath mode of operation；In such a mode, arc heat deposit component heat accumulation between congruent melting pond and not
Between congruent melting pond, cooling velocity of the deposit component from 800 DEG C to 300 DEG C is also between congruent melting pond and not congruent melting pond；Enter
The research of one step is found, is suitable for low-alloy steel under this mode of operation, it is possible to form the hardware electric arc of martensitic structure
Increasing material manufacturing.
During stack shaping, 5 electric arcs of the above work simultaneously, and forming efficiency is at least up to 15kg/h (steel materials
Material), greatly improve stack shaping efficiency.In addition, controlling temperature by regulating and controlling the relative position of 5 electric arcs and the regulation of work posture
Field is spent, large-scale high-performance metal component high efficiency, high-performance increasing material manufacturing is realized.
In addition, electric arc increasing material manufacturing forming process provided by the present invention specifically may include the following steps：
1st, to multi beam electric arc melting bath condition regulation：By adjusting distance, the posture of multi beam electric arc gun body, to constitute congruent melting
Pond, part congruent melting pond and the various states in not congruent melting pond；
2nd, three-dimensional modeling and path planning：The large-scale of increasing material manufacturing can be drawn out using UG or Pro/E 3D sculpting softwares
The three-dimensional CAD model of hardware, and cook up forming path；
3rd, temperature field regulates and controls：By the composition of molding metallic material, determine that deposit component is cold from 800 DEG C to 300 DEG C
But speed, the tissue regions for making cooling velocity be obtained by needs, adjust the relative position between many electric arcs as congruent melting pond, portion
Divide congruent melting pond and specific state in not congruent melting pond；
4th, stack shaping：By given technological parameter, the large-scale high-performance metal component of electric arc increasing material manufacturing is carried out.
The multiple specific embodiments for providing different application occasion are continued with, more clearly visible to explain the present invention.
Embodiment 1
Certain naval vessel key member, the tensile strength of component is in more than 1000MPa, and moulding material has higher alloying element to contain
During amount, stack shaping, if cooling velocity is too fast, the relatively low lamellar martensite tissue of toughness is also easy to produce.In order to avoid sheet
The generation of martensite, obtains high tenacity tissue, increasing material manufacturing is performed exemplified by by the way of 5 beam electric arc congruent melting ponds.Specifically
Step is as follows：
1) distance of 5 beam electric arcs is adjusted, it is ensured that its distance each other (is congruent melting pond shape within 10mm for 6mm
State), the angle of electric arc gun body and Z axis is 39 °, is now congruent melting pond state for 5 beam electric arcs；
2) three-dimension modeling：The three-dimensional CAD model of parts is drawn out using UG 3D sculpting softwares, robot is generated
Numerical control code and forming path software；
3) temperature field regulates and controls：Schemed to determine cooling velocity size of the deposit component from 800 DEG C to 300 DEG C, regulation by CCT
Electric current, voltage, the arc arc gum speed of travel are accumulated, coordinate congruent melting pond, by stack shaping hardware from 800 DEG C to 300 DEG C
Cooling velocity control is in selected scope；
4) stack shaping：By given electric current, voltage, arc arc gum speed of travel stack shaping.
The performance data actual measurement of the hardware obtained is as shown in table 1 below：
Table 1
Embodiment 2
Certain heavy construction key member, component tensile strength is in more than 500MPa, and moulding material is low-alloy carbon steel.In order to
Excessive grain is avoided to grow up, the cooling velocity from 800 DEG C to 300 DEG C can not be too slow.Therefore, in order to obtain high intensity, high-ductility
The hardware of property, increasing material manufacturing is carried out with 5 electric arc non-co- molten bath states.Comprise the following steps that：
1) distance of 5 beam electric arcs is adjusted, it is ensured that (more than 18mm is non-co- molten bath shape to its distance each other for 20mm
State), the angle of electric arc gun body and Z axis is 9 °, is now not congruent melting pond state for 5 beam electric arcs；
2) three-dimension modeling：The three-dimensional CAD model of parts is drawn out using 3D sculpting software Pro/E, machine is generated
Device people numerical control code and forming path software；
3) temperature field regulates and controls：Schemed to determine cooling velocity of the deposit component from 800 DEG C to 300 DEG C by structural transformation CCT
It should adjust accumulation electric current, voltage, the arc arc gum speed of travel at 10 DEG C/s or so, coordinate not congruent melting pond, by stack shaping gold
Cooling velocity control of the metal elements from 800 DEG C to 300 DEG C is in selected scope；
4) stack shaping：By given electric current, voltage, arc arc gum speed of travel stack shaping.
The performance data actual measurement of the hardware obtained is as shown in table 2 below：
Table 2
Embodiment 3
Certain large pressurized vessel key member, component tensile strength is in more than 780MPa, and moulding material is low-alloy carbon steel.
Excessive grain should be avoided to grow up, the generation of horse back body is prevented again, the cooling velocity from 800 DEG C to 300 DEG C is moderate.Cause
This, in order to obtain the hardware of high intensity, high tenacity, increasing material manufacturing is carried out using 5 arc portions congruent melting ponds.Specific steps are such as
Under：
1) distance of 5 beam electric arcs is adjusted, it is ensured that its distance each other be that 12mm (be to be partly total between 10mm~18mm
Molten bath state), the angle of gun body posture is 25 °, is now part congruent melting pond state for 5 beam electric arcs；
2) three-dimension modeling：The three-dimensional CAD model of parts is drawn out using UG 3D sculpting softwares, robot is generated
Numerical control code and forming path software；
3) temperature field regulates and controls：Schemed to determine cooling velocity size of the deposit component from 800 DEG C to 300 DEG C, regulation by CCT
Accumulate electric current, voltage, the arc arc gum speed of travel, mating part congruent melting pond state, by stack shaping hardware from 800 DEG C to
300 DEG C of cooling velocity control is in selected scope；
4) stack shaping：By given electric current, voltage, arc arc gum speed of travel stack shaping.
The performance data actual measurement of the hardware obtained is as shown in table 3 below：
Table 3
Embodiment 4
Certain steel-making equipment key member, outer surface requires resistant to elevated temperatures 0Cr13NiMo martensitic stain less steels, and centre is transition
Layer 0Cr17Ni9 stainless steels, inner surface is 42CrMo steel alloys.In order to realize many material gradient structures, inner surface be electric arc 1 with
Electric arc 2 uses 42CrMo silk materials, and congruent melting pond, and electric arc 3 uses 0Cr17Ni9 silk materials, and electric arc 4 is used with electric arc 5
0Cr13NiMo silk materials, and congruent melting pond.Their three's not congruent melting ponds, when carrying out many materials with gradient-structure increasing material manufacturing, specific step
It is rapid as follows：
1) distance of 5 beam electric arcs is adjusted, electric arc 1, the distance between 2 is 6mm, is congruent melting pond state, electric arc gun body and Z axis
Angle be 21 °.Electric arc 3 is 18mm with electric arc 1, the distance between 2, and the angle of arc gum 3 and Z axis is 5 ° of electric arcs 3 and electric arc
1st, 2 be non-co- molten bath state.Electric arc 4, the distance between 5 is 6mm, is congruent melting pond state, and the angle of electric arc gun body and Z axis is
21°.Electric arc 3 is 18mm with electric arc 4, the distance between 5, and electric arc 3 is non-co- molten bath state with electric arc 4,5.Therefore in many materials
During the increasing material manufacturing of gradient-structure, there is congruent melting pond between electric arc, there is not congruent melting pond again；
2) three-dimension modeling：The three-dimensional CAD model of parts is drawn out using 3D sculpting software Pro/E, machine is generated
Device people numerical control code and forming path software；
3) three kinds of silk materials required for shaping are placed individually into corresponding wire feeder, electric arc 1,2 is 42CrMo
Material, electric arc 3 is 0Cr17Ni9 silk materials, and electric arc 4,5 is 0Cr13NiMo silk material silk materials；
4) stack shaping：By given electric current, voltage, arc arc gum speed of travel stack shaping, as corresponding many materials
Expect gradient-structure.
To sum up, according to the above method of the present invention while forming efficiency is improved, additionally it is possible in order to manipulate, adaptability
Strong mode regulates and controls stack shaping hardware microstructure and property, realize the complicated hardware of high-performance large-scale high efficiency,
High-performance stack shaping, the electric arc for being therefore particularly suitable for the high-performance large-scale hardware on for example naval vessel, aviation etc increases material
Manufacture application scenario.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (7)
1. a kind of many electric arcs suitable for high-performance metal component cooperate with increasing material manufacturing method, it is characterised in that this method includes：
(a) hardware to be formed is directed to, multiple separate arc gums are arranged, these arc gums are respectively provided with independent
Power supply, and each both can perform rectilinear movement along X-axis, Y-axis and Z-direction, also can perform by rotary shaft of Z axis [0 °,
60 °] in the range of angle adjustment so that relative position between them and operating attitude occur freely to change；
(b) threedimensional model and forming path based on hardware, are loaded onto identical or different to the wire feed system of each arc gum
Metal wire material, and according to duty requirements, hardware is performed using one kind or any combination in following operating modes
Many Arc System increasing material manufacturing processes：
(b1) congruent melting pond mode of operation：Relative spacing between the multiple arc gum is set smaller than 10mm, thus
Pass through the cooperation of multiple arc gums in this case so that the hardware of banking process obtains comparatively faster first cooling speed
Degree；
(b2) not congruent melting pond mode of operation：Relative spacing between the multiple arc gum is set greater than 18mm, by
This passes through the cooperation of multiple arc gums in this case so that the hardware of banking process obtains the second relatively slow cooling
Speed；
(b3) part congruent melting pond mode of operation：Relative spacing between the multiple arc gum is set at [10mm,
18mm] interval range, thus pass through the cooperation of multiple arc gums in this case so that the hardware of banking process is obtained
3rd cooling velocity, wherein the 3rd cooling velocity are between first cooling velocity and second cooling velocity.
2. the method as described in claim 1, it is characterised in that under described congruent melting pond mode of operation, each arc gum phase
For Z axis angle be further preferably set at (30 °, 60 °] interval range；In described not congruent melting pond mode of operation
Under, each arc gum be further preferably set at relative to the angle of Z axis (0 °, 10 °] interval range；In addition, described
Part congruent melting pond mode of operation under, each arc gum be further preferably set at relative to the angle of Z axis (10 °, 30 °]
Interval range.
3. method as claimed in claim 1 or 2, it is characterised in that the quantity of the multiple arc gum is preferably more than 5,
And it each is equipped with position and attitude regulation mechanism.
4. the method as described in claim 1-3 any one, it is characterised in that congruent melting pond mode of operation is preferably applied to
Alloy content is high, easily form the hardware electric arc increasing material manufacturing process of martensitic structure.
5. the method as described in claim 1-4 any one, it is characterised in that not congruent melting pond mode of operation is preferably applicable
In mild steel, micro alloyed steel, or it is difficult to form the hardware electric arc increasing material manufacturing process of martensitic structure.
6. the method as described in claim 1-5 any one, it is characterised in that the part congruent melting pond mode of operation is preferably fitted
For low-alloy steel or it is likely to form the hardware electric arc increasing material manufacturing process of martensitic structure.
7. method as claimed in any one of claims 1 to 6, it is characterised in that the hardware is preferably many material gradients
Structure.
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| CN109834408A (en) * | 2017-11-29 | 2019-06-04 | 林肯环球股份有限公司 | Method and system for tool increasing material manufacturing |
| CN109834409A (en) * | 2017-11-29 | 2019-06-04 | 林肯环球股份有限公司 | Method and system for increasing material manufacturing |
| CN112518073A (en) * | 2020-10-27 | 2021-03-19 | 青岛科技大学 | Automatic wire changing device of arc fuse metal printer |
| CN112739489A (en) * | 2018-09-20 | 2021-04-30 | 弗罗纽斯国际有限公司 | Method for producing a metal structure |
| CN114160923A (en) * | 2021-12-29 | 2022-03-11 | 南京理工大学 | Triangular three-wire synergetic efficient MIG electric arc additive device and method |
| CN114211091A (en) * | 2021-12-29 | 2022-03-22 | 南京理工大学 | Efficient MIG electric arc material increase method and device without co-melting pool |
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