CN106180708A - Metal increases controlled pore reticular supporting structure during material manufactures and preparation method thereof - Google Patents
Metal increases controlled pore reticular supporting structure during material manufactures and preparation method thereof Download PDFInfo
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- CN106180708A CN106180708A CN201610526380.1A CN201610526380A CN106180708A CN 106180708 A CN106180708 A CN 106180708A CN 201610526380 A CN201610526380 A CN 201610526380A CN 106180708 A CN106180708 A CN 106180708A
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- octahedra
- profiled member
- cell cube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/40—Structures for supporting workpieces or articles during manufacture and removed afterwards
- B22F10/47—Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by structural features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/80—Data acquisition or data processing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
Metal increases the controlled pore reticular supporting structure and preparation method thereof during material manufactures, controlled pore supporting construction, including top supporting surface contact portion, intermediate body portion and bottom with profiled member and substrate contacting portion；Described intermediate body portion is made up of multiple porous element bodies, and described porous element body is big octahedra cellular construction, and described big octahedra cellular construction is spliced to form by eight first poles；The straight-bar downwardly extended with the node of the porous element body that substrate contacting portion is outside；Extension upwards, the summit of described and profiled member the porous element body that supporting surface contact portion is the top, described extension is little octahedra cellular construction and the thin bar being connected with profiled member；Described thin bar generates from the summit of big octahedra cellular construction and little octahedra cellular construction；The end face diameter of described thin bar is less than basal diameter, and the upper end of described thin bar is stretched into inside profiled member.
Description
Technical field
The present invention relates to a kind of metal and increase the controlled pore reticular supporting structure and preparation method thereof during material manufactures, mainly use
The support of arbitrarily complicated curved surface in metal increases material manufacture process, to ensure the Forming Quality of part, belongs to laser advanced person and manufactures
In rapid shaping field.
Background technology
When metal increases material manufacture forming metal parts, substantially it is required for adding supporting construction, and the addition manner pair supported
The quality impact that metal increases material manufacture forming metal parts is the biggest.Metal increases laser beam snap action during material manufactures molding to be made
Obtaining fusion of metal powder and form molten bath, if not having the support of metal solid, molten bath will be at self gravitation and the work of capillary force
Sink under with in powder, form the viscous defect such as powder, dross, time serious, affect the molding of part.On the other hand, metal solid
Big about 100 times of the pyroconductivity of thermal conductivity ratio metal dust, if not having solid support structure during molding pendency face, is equivalent to
Powder supports, and this is resulted in energy and quickly can not be spread by conduction of heat so that the excessive gas causing metal dust of energy
The phenomenons such as change, burning.Metal increases in material manufacture process, owing to laser is that snap action experienced by regional area, metal dust
Being brought rapidly up melting the process of cooled and solidified, it is big that this results in thermograde, thus produces internal stress generation buckling deformation.And prop up
The existence of support structure limits the buckling deformation of forming part.In sum, supporting construction during metal increases material manufacture molding
Being indispensable, its basic function is as follows: 1. play the effect supporting profiled member.2. prevent the buckling deformation of profiled member.3.
Prevent profiled member gasification, burning, the generation of the viscous defect such as powder, dross.
General present metal increase material manufacture during molding supporting type support a little, line support, mesh-supported,
Flat porous support etc..Point supports and is connected with forming part with the form of point cantact, can support the thickness of pole with set-point, connect
The thickness that contact portion is divided.Advantage is that profiled member is easily removed a supporting construction, if shortcoming is to support pole too carefully, and supporting surface
When horizontal level is far, causing supporting pole the thinnest but also long, the rigidity supporting self is inadequate, it is easy to deformation.Support if strengthening
Size then can waste material.The advantage that line supports is can be connect the support of crypto set on a line by regulation
The size touching tooth controls the contact area with forming part.But it can only be on a direction that line supports, and what line supported
Waste material.Mesh-supported combines the advantage that line supports, and the shape of connecting shaping part is carried out reasonable Arrangement line and supported, but line supports
Shortcoming still exist.It is to design loose structure in the online structure supported that flat porous supports so that the entity portion that line supports
Divide hollow out, which reduces the consumption of material, also reduce support strength so that be easily removed during post processing.Although these
Supporting construction has respective advantage, but shortcoming still exists.Traditional supporting construction weak point is as follows: 1, need long
During supporting construction, be not insufficient strength be exactly that material is wasted very much.2, the supporting construction lacking space is different to meet difformity
The support of position is added.3, support removeability the poorest, be difficult to after forming parts remove support, cause subsequent treatment time-consuming,
Arduously.
Supporting the purpose added is to enable profiled member molding smoothly, occurs without the defects such as buckling deformation, dross, burning,
The Forming Quality of overhung structure to be ensured.And what kind of selects support, supports the density added to forming metal parts
Affect the biggest.So the supporting construction optimized should possess following main points: 1, support and profiled member contact area is wanted rationally,
Profiled member should be supported, prevent dross defect.Make energy can pass through the heat biography of metal solid again
Lead and scatter and disappear, prevent burning defect.2 supported amount contacted with profiled member are wanted enough, to prevent the warpage of profiled member from becoming
Shape.3 supports contacted with profiled member can not be too thick, and intensity can not be too big, will be beneficial to the removal of follow-up support.4, in the middle of supporting
Part to have enough intensity to prevent from supporting self-deformation, the damage of material to be reduced as far as on the premise of intensity is enough
Consumption, is also beneficial to the removal of follow-up support.5, the shape of supporting construction profiled member to be adapted to, position, increases the suitable of supporting construction
The property used.
Due to the indispensable property of supporting construction, in conjunction with conventional support structure advantage, remove its shortcoming, design optimization
Metal increase material manufacture supporting construction significant.
Summary of the invention
Manufacturing, in order to overcome existing metal to increase material, the disadvantages mentioned above that supporting construction exists, the present invention provides a kind of metal to increase material
Controlled pore reticular supporting structure in manufacture and preparation method thereof, this structure has that consumptive material is few, intensity is high, easy removal, adaptation
Property the advantage such as good, and holey supporting construction uses UG Parametric designing modeling method so that the design of support, interpolation,
Amendment becomes flexible, shortens supported design, supports the time added；And the ease of removal of supporting construction make to mold zero
Part has more preferable Forming Quality.The technical solution used in the present invention is:
Metal increases the manufacture method of the controlled pore reticular supporting structure during material manufactures, it is characterised in that: described making
Method is as follows:
S1, by UG parametric modeling method design controlled pore reticular supporting structure: use UG parametric modeling side
Method builds the cell cube of controllable porous structure；The design following parameter of initial setting: cell cube length, cell cube width, cell cube
Height and four parameters of cell cube holder radius, after setting parameter, when UG models use set parameter retrain；
Only have only to revise parameter during subsequent modification and can be achieved with the adjustment of cell cube size, porosity；
S2, according to part need add supporting surface shape, array goes out controlled pore reticular supporting structure, according to part
The number of cell cube is highly increased or decreased；It is to extend from network cells body node with the supporting surface contact portion of profiled member
The thin bar gone out.
S3, layout add the point supported: drawing thin bar from the strong point, a part for thin bar puts in profiled member, stretches into molding
The length of part determines to support the bond strength between profiled member；
S4, determine the height of the strong point and thin bar after, each point deducts bearing height from the height of substrate and is support
Cell cube overall height；Height and the number of each cell cube determine according to overall height；；After determining cell cube number,
Overall height is divided into set hop count, and the midpoint of every section is the node of cell cube pole, and cell cube pole is from this node
Place generates；
S5, cell cube include big unit body and junior unit body, and the pole of little octahedra unit is from the pole of big unit body
Point midway generates, and thin bar generates from the summit of big unit body and junior unit body.
The metal made according to manufacture method described above increases the controlled pore supporting construction during material manufactures, and its feature exists
In: include top supporting surface contact portion, intermediate body portion and bottom with profiled member and substrate contacting portion；
Described intermediate body portion is made up of multiple porous element bodies, and described porous element body is big octahedra unit
Structure, described big octahedra cellular construction is spliced to form by eight first poles；
The straight-bar downwardly extended with the node of the porous element body that substrate contacting portion is outside；
The summit of described and profiled member the porous element body that supporting surface contact portion is the top extension upwards
Point, described extension is little octahedra cellular construction and the thin bar being connected with profiled member；
Described little octahedra unit is spliced to form by eight second poles, and the second described pole is arranged on described the
The point midway of one pole；The half of the length of a length of second pole of the first described pole, described is little octahedra single
The height of meta structure is the half of the height of big octahedra cellular construction.
Described thin bar generates from the summit of big octahedra cellular construction and little octahedra cellular construction；Described thin bar
End face diameter less than basal diameter, the upper end of described thin bar is stretched into inside profiled member.
Further, the X-direction length of described big octahedra cellular construction and Y-direction length and pole diameter dimension are adjustable
Joint.
Further, the X-direction length of described big octahedra cellular construction is 1.4mm～4mm, Y-direction length 1.4mm～
4mm, pole diameter dimension is 1.5mm～3mm.
Further, the height of described porous element body is 2mm～6mm.
Further, the top diameter of described thin bar, base diameter and height adjustable, top diameter and base diameter are arranged
Scope is 0.1mm～0.5mm, and the scope that highly arranges is 1mm～2mm.
Further, it is 0.1mm～0.8mm that described thin bar stretches into the scope that arranges of the length within profiled member.
The part shape that the present invention is likely to occur according to metal increasing material manufacture devises netted of 3 kinds of different controlled pore
Support structure, it is proposed that three kinds support the method added, specific as follows:
1, for large-area part: devise the controlled pore reticular supporting structure of regular octahedron.The big portion of supporting construction
Subdivision body is regular octahedron type, can be controlled by the height of adjustment unit body, length, width and cell cube stent diameter
Make its porosity, intensity.This unit body size is relatively big, decreases disappearing of material on the premise of proof strength is enough as far as possible
Consumption.The least, closeer with the cell cube of profiled member contact portion.This is to ensure that abundant tiny pole and molding
Part contacts.The method for designing of junior unit body is that pole is extended at the center taking big unit body rod, pole a length of big unit body
The half of pole length, is the most also the half of big unit height.So the most with the cell cube of profiled member contact portion
One times.And the support density degree that can need according to oneself of this controlled holey supporting construction and design junior unit
The division number of times of body.The most more tiny pole contacts with profiled member, can prolong from the center that junior unit body rod is sub again
Boom forms new little octahedron, thus reaches the requirement of required tiny pole.
2, for irregular little area portions: devise another controlled pore reticular supporting structure, mentality of designing
Similar regular octahedron controlled pore reticular supporting structure, the width of design cell body reduces, and eliminates unnecessary pole.
3, for the surface of straight line class: combine the advantage of loose structure on the basis of straight support, devising straight line can
Control holey supporting construction.
Three kinds of supporting constructions set forth above can adapt to difform supporting surface, uses when supporting surface is large area
Octahedral porous support structure, little area or marginal portion are then by other two kinds of supporting constructions.Three kinds of collocation supported
Use and can be good at meeting different support demands, it is achieved the support to arbitrary surface is added, add the suitable of supporting construction
Ying Xing.
The metal material of the present invention is rustless steel, pure titanium, titanium alloy, cochrome.
Beneficial effects of the present invention is embodied in:
(1) present invention utilizes UG parametrization to be designed modeling, it is possible to quickly modify holey supporting construction,
Save the exploitation design time.
(2) reticulated porous structures i.e. ensures the strength and stability of supporting construction, reduces again the process time of supporting construction,
Improve efficiency.
(3) the controlled pore reticular supporting structure designed is reasonable with the contact area of profiled member, can play a supporting role,
The defect such as dross, burning can be prevented again, it is ensured that Forming Quality.
(4) supported amount that the controlled pore reticular supporting structure designed contacts with profiled member can increase according to demand
Subtract, it is achieved that support density controllable function.I.e. prevent the buckling deformation of profiled member, the removal of follow-up support can be made again.
Supported design becomes porous network structure to advantageously reduce the weight of supporting construction self and the consumption of material, and rear
Processing procedure can be easy to remove and support and the surface roughness of supporting surface is preferably minimized.Accompanying drawing explanation
Fig. 1 is that metal of the present invention increases material manufacture controlled pore supporting construction external overall structural representation.
Fig. 2 is that metal of the present invention increases material manufacture controlled pore supporting construction Unit agent structure schematic diagram.
Fig. 3 is that metal of the present invention increases material manufacture controlled pore supporting construction array schematic diagram.
Fig. 4 is the controlled pore supporting construction thin bar structural representation that metal of the present invention increases during material manufactures.
Fig. 5 is that the metal of the present invention increasing material manufacture controlled pore supporting construction strong point determines schematic diagram.
Fig. 6 is that metal of the present invention increases the controlled pore supporting construction during material manufactures and profiled member schematic diagram.
Fig. 7 is that metal of the present invention increases the controlled pore supporting construction during material manufactures and profiled member front view.
Fig. 8 and Fig. 9 is that the other two kinds of metals of the present invention increase material manufacture controlled pore supporting construction schematic diagram.
Detailed description of the invention
Embodiment 1
Referring to figs. 1 through Fig. 9, metal increases the manufacture method of the controlled pore reticular supporting structure during material manufactures, described system
Make method as follows:
S1, by UG parametric modeling method design controlled pore reticular supporting structure: use UG parametric modeling side
Method builds the cell cube of controllable porous structure；The design following parameter of initial setting: cell cube length, cell cube width, cell cube
Height and four parameters of cell cube holder radius, after setting parameter, when UG models use set parameter retrain；
Only have only to revise parameter during subsequent modification and can be achieved with the adjustment of cell cube size, porosity；
S2, according to part need add supporting surface shape, array goes out controlled pore reticular supporting structure, according to part
The number of cell cube is highly increased or decreased；It is to extend from network cells body node with the supporting surface contact portion of profiled member
The thin bar gone out.
S3, layout add the point supported: drawing thin bar from the strong point, a part for thin bar puts in profiled member, stretches into molding
The length of part determines to support the bond strength between profiled member；
S4, determine the height of the strong point and thin bar after, each point deducts bearing height from the height of substrate and is support
Cell cube overall height；Height and the number of each cell cube determine according to overall height；；After determining cell cube number,
Overall height is divided into set hop count, and the midpoint of every section is the node of cell cube pole, and cell cube pole is from this node
Place generates；
S5, cell cube 4 include big unit body and junior unit body, and the pole of little octahedra unit is from the pole of big unit body
Point midway generates, and thin bar generates from the summit of big unit body and junior unit body.
The metal made according to manufacture method described above increases the controlled pore supporting construction during material manufactures, including top
Supporting surface contact portion 1, intermediate body portion 2 and bottom with profiled member with substrate contacting portion 3；
Described intermediate body portion 2 is made up of multiple porous element bodies, and described porous element body is big octahedra single
Meta structure, described big octahedra cellular construction is spliced to form by eight first poles；
The straight-bar downwardly extended with the node of the porous element body that substrate contacting portion 3 is outside；
The extension upwards of the summit of described and profiled member 5 the porous element body that supporting surface contact portion 1 is the top
Part, described extension is little octahedra cellular construction 11 and the thin bar 6 being connected with profiled member；
Described little octahedra unit is spliced to form by eight second poles, and the second described pole is arranged on described the
The point midway of one pole；The half of the length of a length of second pole of the first described pole, described is little octahedra single
The height of meta structure is the half of the height of big octahedra cellular construction.
Described thin bar 6 generates from the summit of big octahedra cellular construction and little octahedra cellular construction；Described thin bar
End face diameter 8 less than basal diameter 7, it is internal that profiled member 5 is stretched in the upper end of described thin bar 6.
Further, the X-direction length of described big octahedra cellular construction and Y-direction length and pole diameter dimension are adjustable
Joint.
Further, the X-direction length of described big octahedra cellular construction is 1.4mm～4mm, Y-direction length 1.4mm～
4mm, pole diameter dimension is 1.5mm～3mm.
Further, the height of described porous element body is 2mm～6mm.
Further, the top diameter 8 of described thin bar, base diameter 7 and height 9 are adjustable, top diameter 8 and base diameter
7 to arrange scope be 0.1mm～0.5mm, and highly 9 to arrange scope be 1mm～2mm.
Further, it is 0.1mm～0.8mm that described thin bar 6 stretches into the scope that arranges of the length within profiled member.
In view of Forming Quality, shaping strength and stability, devise the internal structure of supportive body, the list of internal structure
Unit's body is designed to octahedra cell cube.As shown in Figure 2.Internal structure design is become octahedra cellular construction, so can protect
On the premise of card support strength and stability, the intensity of supporting construction being reduced, that can reduce again support uses powder amount, adds
The ease of removal supported.The size of cell cube changes according to forming part height difference.As it is shown on figure 3, cell cube grid
Size can change flexibly, and cell cube X-direction length, Y-direction length and cell cube pole diameter can be according to required intensity
Being adjusted, increase length, reduce pole size, grid becomes big, adds the ease of removal of support, but intensity reduces.And prop up
Support overall height then according to profiled member height be adjusted, cell cube number and each cell cube height then according to
Support overall height determines.
Fig. 4 shows supporting construction and the partial enlarged drawing of forming part junction.5 is profiled member, and 4 is supporting construction.6
Can be adjusted according to required support strength for thin bar, base diameter 7 and top diameter 8.Typically make base diameter big,
Top diameter is little.It is designed to thin bar and further reduces the contact area of single pole and profiled member, reduce single pole
Intensity, increases the ease of removal supported further.The height 9 of thin bar is also adjustable parameter.The height changing thin bar can regulate
Support the bonding strength with profiled member, the removal difficulty of support can be changed.Thin bar is high, and intensity is low, it is easier to removing, thin bar is short
The most contrary.Support some and put in profiled member, put in shown in a length of 10, can by adjust this length change support with
The bond strength of profiled member, prevents profiled member from because of internal stress, buckling deformation occurring.11 is little octahedra cellular construction, effect
Being to increase the thin bar being connected with profiled member, thin bar is all to extend out from junior unit body and big unit body top.So with
The thin bar density that profiled member connects can be adjusted by the number adjusting junior unit body, it is achieved that the controlled merit of support density
Energy.
Fig. 5 is the top view of profiled member supporting surface, determines the position of the cell cube strong point according to top view.12 is molding
The supporting surface of part, 13 is the required point adding and supporting.And the size of cell cube grid X-direction and Y-direction can be according to required
Intensity is adjusted.
Embodiment 2
Determine that method is for an example with catenoid, reality according to the cell cube described in embodiment 1 and the strong point
Execute example 2 structural representation such as Fig. 6.
Profiled member 14 has a curved surface dangled, and overhang length reaches the magnitude of tens millimeters, it is necessary to add support
Can guarantee that Forming Quality and the dimensional accuracy etc. in pendency face.So it is necessary for adding support.As in figure, 15 parts design exactly
Controlled pore supporting construction.The distribution of the strong point is arranged according to the method described in embodiment 1.And the height of each cell cube
Degree determines according to profiled member overall height, is illustrated in figure 7 the front view of structural representation.Support the thin bar being connected with profiled member
Highly 16 determine according to required intensity.The height that remaining height 17 just supports for cell cube, by height 17 according to individual unit
The height of body is divided into several sections, figure is divided into three section 18,19,20.Each cell cube node location draws from the midpoint of institute's segmentation
Going out, 21 are the cell cube pole of extraction.The node location of remaining element body also obtains by the method.
Fig. 8, Fig. 9 are to be suitable for little area or the controlled pore supporting construction of marginal portion, and cell cube remains unchanged by octahedron
Composition, is slightly different with profiled member coupling part.
The present invention proposes controlled pore supporting construction, devises internal structure and the connecting portion structure of support, proposes
Inner porosity with octahedron as unit and little octahedral top support structure.Regulated by each parameter of regulation and prop up
The intensity of support and ease of removal.And the thin bar supported amount contacted with profiled member can increase and decrease according to demand, it is achieved that
Support density controllable function.And porous element height can be revised according to the height of forming surface neatly with number.Real
Incumbent meaning hangs the interpolation that face supports.The two kinds of supporting constructions additionally designed are applicable to little area or marginal portion.Controlled pore
Parameters of braced structure is flexible, simplifies support, reduces powder consumption, in turn ensure that intensity, processes flexibly, adds support
Ease of removal.
Content described in this specification embodiment is only enumerating of the way of realization to inventive concept, the protection of the present invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also and in art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies means.
Claims (7)
1. metal increases the manufacture method of the controlled pore reticular supporting structure during material manufactures, it is characterised in that: described making side
Method is as follows:
S1, by UG parametric modeling method design controlled pore reticular supporting structure: use UG parametric modeling method structure
Build the cell cube of controllable porous structure；The design following parameter of initial setting: cell cube length, cell cube width, the height of cell cube
Degree and four parameters of cell cube holder radius, after setting parameter, use the parameter set to retrain when UG models；Follow-up
Only have only to revise parameter during amendment and can be achieved with the adjustment of cell cube size, porosity；
S2, according to part need add supporting surface shape, array goes out controlled pore reticular supporting structure, according to the height of part
The number of cell cube is increased or decreased；It is to extend out from network cells body node with the supporting surface contact portion of profiled member
Thin bar.
S3, layout add the point supported: drawing thin bar from the strong point, a part for thin bar puts in profiled member, stretches into profiled member
Length determines to support the bond strength between profiled member；
S4, determine the height of the strong point and thin bar after, each point deducts bearing height from the height of substrate and is support unit
Body overall height；Height and the number of each cell cube determine according to overall height；；After determining cell cube number, will be total
Height is divided into set hop count, and the midpoint of every section is the node of cell cube pole, and cell cube pole is raw at this node
Become；
S5, cell cube include big unit body and junior unit body, and the pole of little octahedra unit is from the midpoint of the pole of big unit body
Position generates, and thin bar generates from the summit of big unit body and junior unit body.
2. the metal made according to the manufacture method described in claim 1 increases the controlled pore supporting construction during material manufactures, and it is special
Levy and be: include top supporting surface contact portion, intermediate body portion and bottom with profiled member with substrate contact site
Point；
Described intermediate body portion is made up of multiple porous element bodies, and described porous element body is big octahedra unit knot
Structure, described big octahedra cellular construction is spliced to form by eight first poles；
The straight-bar downwardly extended with the node of the porous element body that substrate contacting portion is outside；
Extension upwards, the summit of described and profiled member the porous element body that supporting surface contact portion is the top, institute
The extension stated is little octahedra cellular construction and the thin bar being connected with profiled member；
Described little octahedra unit is spliced to form by eight second poles, and the second described pole is arranged on the first described bar
The point midway of son；The half of the length of a length of second pole of the first described pole, described little octahedra unit knot
The height of structure is the half of the height of big octahedra cellular construction.
Described thin bar generates from the summit of big octahedra cellular construction and little octahedra cellular construction；Described thin bar top
Face diameter is less than basal diameter, and the upper end of described thin bar is stretched into inside profiled member.
3. metal as claimed in claim 2 increases the controlled pore supporting construction during material manufactures, it is characterised in that: described big eight
The X-direction length of face body unit structure and Y-direction length and pole diameter dimension scalable.
4. metal as claimed in claim 3 increases the controlled pore supporting construction during material manufactures, it is characterised in that: described big eight
The X-direction length of face body unit structure is 1.4mm～4mm, Y-direction length 1.4mm～4mm, pole diameter dimension be 1.5mm～
3mm。
5. metal as claimed in claim 4 increases the controlled pore supporting construction during material manufactures, it is characterised in that: described porous
The height of cell cube is 2mm～6mm.
6. metal as claimed in claim 5 increases the controlled pore supporting construction during material manufactures, it is characterised in that: described thin bar
Top diameter, base diameter and height adjustable, it is 0.1mm～0.5mm that top diameter and base diameter arrange scope, highly sets
The scope of putting is 1mm～2mm.
7. metal as claimed in claim 6 increases the controlled pore supporting construction during material manufactures, it is characterised in that: described thin bar
The scope that arranges stretching into the length within profiled member is 0.1mm～0.8mm.
Priority Applications (1)
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