CN106475561B - A kind of auxiliary support structure suitable for tilting pendency thin-wall construction - Google Patents
A kind of auxiliary support structure suitable for tilting pendency thin-wall construction Download PDFInfo
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- CN106475561B CN106475561B CN201610868423.4A CN201610868423A CN106475561B CN 106475561 B CN106475561 B CN 106475561B CN 201610868423 A CN201610868423 A CN 201610868423A CN 106475561 B CN106475561 B CN 106475561B
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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
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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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
-
- 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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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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
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Finishing Walls (AREA)
Abstract
The auxiliary support structure that the present invention provides a kind of suitable for tilting pendency thin-wall construction, during the structure is for selective laser fusing increasing material manufacturing, inclination pendency thin-wall construction is supported on substrate, it is particularly applicable to inclination angles to be greater than 45 degree substrate between there are certain distance and thickness is less than the inclination pendency thin-wall construction of 3.5mm；The present invention uses lattice support between pendency end and forming board, uses sheet type solid support at the pendency thin-wall construction back side, and lattice support and solid support are connected and form entirety；It can avoid pendency position and the defects of buckling deformation and interlayer dislocation occur, and lattice support part is not in the problems such as " drawing crack " and " rubbing disconnected " causes pendency position " collapsing " in turn；Support removal difficulty and workload, production cycle and cost etc. is greatly decreased or reduces compared with integral entity support.
Description
Technical field
The present invention relates to selective lasers to melt increases material manufacturing technology field, in particular to a kind of to be suitable for inclination pendency thin-walled
The auxiliary support structure of structure when the structure is applied to selective laser fusing increasing material manufacturing, tilts pendency thin-wall construction to having
Part carry out Auxiliary support.
Background technique
Increases material manufacturing technology is melted in selective laser, and figuration manufacture complex parts are successively melted based on alloy powder, closes in titanium
The difficult-to-machine metals such as gold, high temperature alloy complex-shaped surface mould, type face, thin-walled, variable cross-section part entirety manufacture view have unique advantage.
Currently, selective laser fusing increasing material manufacturing part Auxiliary support is designed primarily to integral entity class or integral grid class
Structure type.The Auxiliary support residual stress of integral entity class formation form is larger, the last handling processes such as forming and support removal
In the problems such as being easy to cause interlayer drawing crack or pendency position distortions, and shape that useless weight is more, forming period is long, subsequent support removal work
Work amount is big.The Auxiliary support residual stress of integral grid class formation form is smaller, and support is easily removed, it is small to remove workload, but
Since there are larger differences compared with entity component for temperature gradient, cooling rate etc., each position contraction is inconsistent, and it is small to easily cause wall thickness
In 3.5mm lower thickness lattice support drawing crack, effect type face forming accuracy, or even it can lead to forming process and can not continue
Serious problems.
Therefore, it is less than 3.5mm and inclination draping face of the angle with horizontal plane greater than 45 ° for wall thickness, using the prior art
It not can avoid draping face in forming process and the defects of buckling deformation and dislocation of shaping layer interlayer occur, and not can be effectively controlled and answer
Power is distributed and guarantee type face forming accuracy.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of suitable for tilting pendency thin-wall construction
Auxiliary support structure, which is less than 3.5mm for wall thickness and inclination pendency thin-wall construction of the angle with horizontal plane greater than 45 ° is special
Point is connected the integral support structure combined using solid support and lattice support, provides enough strength and stiffness, both can be with
Inhibit inclination pendency thin-wall construction the defects of buckling deformation and shaping layer interlayer misplace occur, but can avoid integral grid support and
The problems such as processing capacity caused by integral entity supports is big and type face precision not can guarantee.
Above-mentioned purpose of the invention is realized by following scheme：
A kind of auxiliary support structure suitable for tilting pendency thin-wall construction, in inclination pendency thin-wall construction and substrate
Between formed support, it is described inclination pendency thin-wall construction and substrate between inclination angle be greater than 45 degree, there are one between lower end surface and substrate
Set a distance and thickness are less than 3.5mm；The auxiliary support structure includes lattice support part and solid support part, wherein：It is described
The upper surface of lattice support part is supported on inclination pendency thin-wall construction lower end surface, the lower end surface branch of the lattice support part
Support forms support between the pendency end and substrate of inclination pendency thin-wall construction on forming board；The solid support part
Upper end be supported on inclination pendency the thin-wall construction back side, lower end is supported on forming board；The lattice support part and entity
Support section is connected.
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, solid supports are divided to including two entity branch
Thin slice is supportted, forms support in the left and right ends at the inclination pendency thin-wall construction back side respectively；Wherein, the thickness of the solid support thin slice
Degree B1 is 1mm~3mm；And the support edge lengths L1 of formation of each solid support thin slice on forming board be 5mm~
20mm。
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, solid supports point include three entity branch
Thin slice is supportted, forms support in the left and right ends at the inclination pendency thin-wall construction back side and middle part respectively；Wherein, the solid support is thin
The thickness B1 of piece is 1mm~3mm；And the support edge lengths L1 of formation of each solid support thin slice on forming board is
5mm~20mm.
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, lattice support part includes that N number of grid is auxiliary
Help support column, the grid Auxiliary support column is the cylinder that hollow grid is constituted, and the cross section of the cylinder be square or
Rectangle；The upper surface of the cylinder is supported on inclination pendency thin-wall construction lower end surface, and the lower end surface support of the cylinder
On forming board；N is positive integer.
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, each grid Auxiliary support column and forming base
The contact surface of plate is square or rectangle, and the side length of the square or rectangular is 5mm~15mm；Adjacent mesh is auxiliary
The spacing helped between support column is 0.5mm~2.5mm.
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, grid Auxiliary support column is by the hollow net of two classes
Lattice at, wherein：The hollow grid of the first kind is cube or rectangular parallelepiped grid, and the second class grid is trapezoidal grid, i.e., the described ladder
The cross section of shape grid is square and longitudinal section is trapezoidal；Wherein, hollow with inclination pendency thin-wall construction lower end face contact
Grid is the second class grid.
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, the side length of the hollow grid of the first kind are
0.5mm~5mm；The longitudinal section of the hollow grid of second class be it is trapezoidal, the trapezoidal upper bottom d1 be 0.3mm~2.5mm, bottom
D2 is 0.5mm~5mm, height h is 0.5mm~5mm.
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, grid Auxiliary support column and inclination pendency are thin
Trapezoidal grid on the contact surface of wall construction lower end surface is in a discrete distribution state, and the separation delta d of each adjacent trapezoidal grid is 0.2
~2mm.
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, in hollow grid, along X-axis, Y-axis side
To the grid lines of distribution and the powdering angular separation that sets as 45 ° or 135 °；Wherein plane and base plan where X-axis, Y axis
In parallel.
The above-mentioned auxiliary support structure for being suitable for tilting pendency thin-wall construction, the upper end of lattice support part, which is embedded in, inclines
Tiltedly in the lower end surface of pendency thin-wall construction；The lower end of lattice support part is embedded in forming board；Lattice support part upper end
Insert depth with lower end is 0.04mm~0.2mm.
Compared with prior art, the present invention having the following advantages that：
(1), the present invention uses sheet type solid support at the inclination pendency thin-walled back side, can be less than 3.5mm to avoid thickness
Relatively thin lattice support partially due to " drawing crack " and " rubbing disconnected " etc. not enough occur for strength and stiffness, and then avoid pendency thin-wall construction
The defects of buckling deformation, occurs for the left and right ends of lower end overhang, and will not introduce biggish residual stress, forming and after
Treatment process can effectively ensure that thin-wall construction type face precision；
(2), the present invention can be lattice support using solid support and the connected integral support structure combined of lattice support
Part provides the strength and stiffness for being significantly better than integral grid support, guarantees in its forming process not by " drawing crack " easily and rubs disconnected
Deng, and then avoidable thin-walled pendency position occurs " collapsing " and the dislocation of shaping layer interlayer is led to problems such as even to shape failure, effectively
Guarantee thin-walled pendency position forming face precision；
(3) present invention is supported whole using sheet type solid support and the connected integral support structure combined of lattice support
The problems such as body intensity and rigidity are significantly better than integral grid support, can effectively avoid lattice support " drawing crack " and " rubbing disconnected ", and prop up
Support removal difficulty and workload, forming and post-processing period, production cost etc. are consistent with integral grid support, compared with integral entity branch
Support is greatly decreased or reduces.
Detailed description of the invention
Fig. 1 a is the auxiliary support structure schematic diagram for being suitable for tilting pendency thin-wall construction of " U-shaped structure " of the invention；
Fig. 1 b is the auxiliary support structure for being suitable for tilting pendency thin-wall construction of " U-shaped structure " of the invention in forming board
On contact surface schematic diagram；
Fig. 2 a is the auxiliary support structure schematic diagram for being suitable for tilting pendency thin-wall construction of " epsilon-type structure " of the invention；
Fig. 2 b is that the auxiliary support structure for being suitable for tilting pendency thin-wall construction of " epsilon-type structure " of the invention is shaping
Contact surface schematic diagram on substrate；
Fig. 3 a is the contact surface schematic diagram that grid Auxiliary support column is formed on forming board in the present invention, wherein each net
The contact surface of lattice Auxiliary support column and forming board is square；
Fig. 3 b is the contact surface schematic diagram that grid Auxiliary support column is formed on forming board in the present invention, wherein each net
The contact surface of lattice Auxiliary support column and forming board is rectangle；
Fig. 4 is the structural schematic diagram of the hollow grid of the second class in the present invention.
Specific embodiment
The present invention is described in further detail with specific example with reference to the accompanying drawing：
The auxiliary support structure that the invention discloses a kind of suitable for tilting pendency thin-wall construction, for molten in selective laser
During changing increasing material manufacturing, inclination pendency thin-wall construction is supported on substrate.This inclination pendency thin-wall construction may be to produce
Product part, flange mounting surface etc., the inclination angle between this inclination pendency thin-wall construction and substrate is greater than 45 degree in general, lower end
There are certain distance and thickness is less than 3.5mm between face and substrate.
As shown in Fig. 1 a, 1b, 2a, 2b, the auxiliary support structure for being suitable for tilting pendency thin-wall construction of the invention includes
Lattice support part and solid support part, in figure：1 is inclination pendency thin-wall construction；21,22,23 be respectively solid supports
The solid support thin slice divided；3 be lattice support part.
Wherein, solid support part and lattice support part constitute " U-shaped structure " in Fig. 1 a and 1b, and real in Fig. 2 a and 2b
Body support section and lattice support part constitute " epsilon-type structure ", both solid supports and the connected side combined of lattice support
Case may be implemented to avoid the structure in forming process from buckling deformation and shaping layer occur the support of inclination pendency thin-wall construction
The defects of interlayer misplaces.
(1), lattice support part
In the present invention, lattice support side is used between the pendency end face and forming board of inclination pendency thin-wall construction
The upper surface of lattice support part is supported on inclination pendency thin-wall construction lower end surface by case, and by the lattice support part
Lower end surface be supported on forming board, thus inclination pendency thin-wall construction pendency end and substrate between formed support.
Lattice support part of the invention is made of N number of grid Auxiliary support column.Wherein, each grid Auxiliary support column is sky
The cylinder that heart grid is constituted, the cross section of the cylinder is square or rectangle, and it is outstanding that the upper surface of each cylinder is supported on inclination
It hangs down on thin-wall construction lower end surface, and its lower end surface is supported on forming board；N is positive integer.
As shown in Fig. 3 a, 3b, in order to ensure the support reliability of lattice support part, each grid Auxiliary support column is shaping
Support side length L or B on substrate are set as 5mm~15mm, i.e., the contact surface of each grid Auxiliary support column and forming board is
Square or rectangular, and the side length of the square or rectangular is 5mm~15mm, wherein：Each grid auxiliary in Fig. 3 a
The contact surface of support column and forming board is square, and the side length of square is B；In Fig. 3 b each grid Auxiliary support column with
The contact surface of forming board is rectangle, which is respectively L and B.For the ease of assisting the grid
Support column is removed, and there are gaps between grid Auxiliary support column by the present invention, wherein between adjacent mesh Auxiliary support column
Separation delta b be set as 0.5mm~2.5mm.
Above-mentioned grid Auxiliary support column is made of the hollow grid of two classes, wherein：The hollow grid of the first kind be cube or
Rectangular parallelepiped grid, the second class grid are trapezoidal grid, i.e., the cross section of the described trapezoidal grid is square and longitudinal section is trapezoidal.
Wherein, the hollow grid with inclination pendency thin-wall construction lower end face contact is the second class grid, and the grid of this form ensures net
Lattice support section and the contact of inclination pendency thin-wall construction lower end surface are discontinuous, are removed convenient for the subsequent support section.And
Other grids use first kind grid.In order to ensure the reliability of network support, the side length b of the hollow grid of the first kind in the present invention
It is set as 0.5mm~5mm；The longitudinal section of the hollow grid of second class be it is trapezoidal, as shown in figure 4, the trapezoidal upper bottom d1 is
0.3mm~2.5mm, bottom d2 are 0.5mm~5mm, height h is 0.5mm~5mm.
In addition, as shown in figure 4, the present invention is further to net in order to further increase the dismountable property of lattice support part
Lattice support section and inclination pendency thin-wall construction contact surface carry out discretization, i.e., the present invention in grid Auxiliary support column with incline
Tiltedly the trapezoidal grid on the contact surface of pendency thin-wall construction lower end surface is in a discrete distribution state, and the spacing of each adjacent trapezoidal grid
Δ d is 0.2~2mm.
In view of powdering scratch caused by grid acts on during figuration manufacture, the present invention to the direction of hollow grid into
It has gone as defined below：As shown in Fig. 1 b and 2b, the grid lines that is distributed along X-axis, Y direction and the powdering angular separation that sets as
45 ° or 135 °, wherein powdering direction is perpendicular to lattice support partial outer face；Wherein plane and base plan where X-axis, Y-axis
In parallel, the scratch to grid during powdering can be reduced to the greatest extent in this way, it is ensured that the reliability of support.
In addition, in order to further strengthen the support reliability of lattice support part, it can be by the upper end of lattice support part
It is embedded in the lower end surface of inclination pendency thin-wall construction, and the lower end of lattice support part is embedded in forming board；Its is embedding
Enter depth and be set as 0.04mm~0.2mm, auxiliary supporting part and inclination pendency thin-wall construction and substrate can be promoted in this way
Bond strength, to effectively ensure to support reliable forming.
(2), solid support part
In the present invention, solid supports point include two or three solid support thin slices, wherein such as Fig. 1 b and Fig. 2 b
Shown, the thickness B1 of the solid support thin slice is 1mm~3mm；And shape of each solid support thin slice on forming board
At support edge lengths L1 be 5mm~20mm.
As illustrated in figs. 1A and ib, if using two solid support thin slices, " U-shaped knot is constituted with lattice support part
Structure ", wherein the two solid support thin slices to be respectively supported to the left and right ends at the inclination pendency thin-wall construction back side, thus outstanding
Hang down and form effectively support between the thin-wall construction back side and forming board, prevent relatively thin lattice support part of the thickness less than 3.5mm by
" drawing crack " not enough occurs in strength and stiffness and rubs left and right ends that are disconnected etc., and then causing pendency thin-wall construction lower end overhang
Buckling deformation occurs.
As shown in Figure 2 a and 2 b, if using three solid support thin slices, " mountain font knot is constituted with lattice support part
Structure ", wherein these three solid support thin slices to be respectively supported to left and right ends and the middle part at the inclination pendency thin-wall construction back side
Point, to form effectively support between the pendency thin-wall construction back side and forming board, thickness is prevented to be less than the relatively thin grid of 3.5mm
Support section due to strength and stiffness not enough occur " drawing crack " and rub it is disconnected etc., and then cause dangle thin-wall construction lower end overhang
Left and right ends occur buckling deformation.
The above, a specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto, appoints
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, all by what those familiar with the art
It is covered by the protection scope of the present invention.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (10)
1. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction, between inclination pendency thin-wall construction and substrate
Support is formed, the inclination angle between the inclination pendency thin-wall construction and substrate is greater than 45 degree, exists between lower end surface and substrate certain
Distance and thickness be less than 3.5mm, it is characterised in that：Including lattice support part and solid support part, wherein：The grid branch
The upper surface of support part point is supported on inclination pendency thin-wall construction lower end surface, and the lower end surface of the lattice support part is supported on into
On shape substrate, i.e., support is formed between the pendency end and substrate of inclination pendency thin-wall construction；The upper end of the solid support part
It is supported on the inclination pendency thin-wall construction back side, lower end is supported on forming board；The lattice support part and solid supports
Divide and is connected.
2. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 1, it is characterised in that：
Solid supports are divided to including two solid support thin slices, form branch in the left and right ends at the inclination pendency thin-wall construction back side respectively
Support；Wherein, the thickness B1 of the solid support thin slice is 1mm~3mm；And each solid support thin slice is on forming board
Formation support edge lengths L1 be 5mm~20mm.
3. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 1, it is characterised in that：
Solid supports point include three solid support thin slices, respectively the left and right ends at the inclination pendency thin-wall construction back side and middle part shape
At support；Wherein, the thickness B1 of the solid support thin slice is 1mm~3mm；And each solid support thin slice is in forming base
The support edge lengths L1 of formation on plate is 5mm~20mm.
4. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 1, it is characterised in that：
Lattice support part includes N number of grid Auxiliary support column, the cylinder that the grid Auxiliary support column is constituted for hollow grid, and institute
The cross section for stating cylinder is square or rectangle；The upper surface of the cylinder is supported on inclination pendency thin-wall construction lower end surface
On, and the lower end surface of the cylinder is supported on forming board；N is positive integer.
5. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 4, it is characterised in that：
The contact surface of each grid Auxiliary support column and forming board is square or rectangle, and the side of the square or rectangular
A length of 5mm~15mm；Spacing between adjacent mesh Auxiliary support column is 0.5mm~2.5mm.
6. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 4, it is characterised in that：
Grid Auxiliary support column is made of the hollow grid of two classes, wherein：The hollow grid of the first kind be cube or rectangular parallelepiped grid, second
Class grid is trapezoidal grid, i.e., the cross section of the described trapezoidal grid is square and longitudinal section is trapezoidal；Wherein, it dangles with inclination
The hollow grid of thin-wall construction lower end face contact is the second class grid.
7. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 6, it is characterised in that：
The side length of the hollow grid of the first kind is 0.5mm~5mm；The longitudinal section of the hollow grid of second class is trapezoidal, the trapezoidal upper bottom
D1 is 0.3mm~2.5mm, bottom d2 is 0.5mm~5mm, height h is 0.5mm~5mm.
8. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 6, it is characterised in that：
Trapezoidal grid on grid Auxiliary support column and the contact surface of inclination pendency thin-wall construction lower end surface is in a discrete distribution state, and each
The separation delta d of adjacent trapezoidal grid is 0.2~2mm.
9. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 6, it is characterised in that：
In hollow grid, along X-axis, the grid lines that Y direction is distributed and the powdering angular separation set as 45 ° or 135 °；Wherein X
Plane where axis, Y-axis is parallel with base plan.
10. a kind of auxiliary support structure suitable for tilting pendency thin-wall construction according to claim 1, feature exist
In：The upper end of lattice support part is embedded in the lower end surface of inclination pendency thin-wall construction；The lower end of lattice support part is embedded in
In forming board；The insert depth of lattice support part top and bottom is 0.04mm~0.2mm.
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| CN201610868423.4A CN106475561B (en) | 2016-09-29 | 2016-09-29 | A kind of auxiliary support structure suitable for tilting pendency thin-wall construction |
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| CN201610868423.4A CN106475561B (en) | 2016-09-29 | 2016-09-29 | A kind of auxiliary support structure suitable for tilting pendency thin-wall construction |
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