CN106583724B - A kind of laser fast forming method of complex surface vertical metal thin-wall part - Google Patents
A kind of laser fast forming method of complex surface vertical metal thin-wall part Download PDFInfo
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- CN106583724B CN106583724B CN201611181487.3A CN201611181487A CN106583724B CN 106583724 B CN106583724 B CN 106583724B CN 201611181487 A CN201611181487 A CN 201611181487A CN 106583724 B CN106583724 B CN 106583724B
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- China
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- wall part
- metal thin
- vertical metal
- complex surface
- surface vertical
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- 239000002184 metal Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002356 single layer Substances 0.000 claims abstract description 18
- 239000011888 foil Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 5
- 230000032798 delamination Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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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
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
-
- 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
The laser fast forming method of present invention offer complex surface vertical metal thin-wall part, including establishing three-dimensional entity model to complex surface vertical metal thin-wall part to be formed, and the upper surface of complex surface vertical metal thin-wall part is divided into M point, determine the height value of each point；According to the height value of each point, the Z axis single layer stroke at various point locations is determined；Obtain the bottom profile data of complex surface vertical metal thin-wall part；Z axis single layer stroke and the bottom profile data are imported into laser fast forming equipment, start Stereolithography, starts to shape complex surface vertical metal thin-wall part.The present invention can shape complex surface vertical metal thin-wall part by the Z axis single layer stroke at control different location, reduce equipment complexity under 3 axis open loop conditions, using space delamination method, without changing laser power and scanning speed；The interruption of every layer of profile is avoided, continuous contour path avoids the alias of complex surface vertical metal surface of thin-walled parts, improves surface quality.
Description
Technical field
The invention belongs to Direct Laser Fabrication Technology field, the laser for being related to a kind of complex surface vertical metal thin-wall part is fast
Fast manufacturing process.
Background technique
Laser Rapid Prototyping Technique is a kind of novel increasing for integrating laser technology, CAD/CAM technology and material technology
Material manufacturing technology.According to the CAD model of part, hierarchy slicing is carried out, the profile of each layer cross section is obtained, according still further to these equal thickness
Two-dimensional surface profile, produce complicated three-dimensional model along a certain coordinate direction within the specific time without particular mold
Or entity.Laser Rapid Prototyping Technique stock utilization with higher, lower energy expenditure rate can shape any multiple
The advantages that fine and close prototype and components of miscellaneous degree, leads in aerospace, auto industry, Mould design and manufacturing, medicine etc.
Domain using more and more extensive.
Thin-wall part is because there is the advantages of capable of mitigating pts wt under the premise of guaranteeing performance requirement, especially in aviation
It is widely used in space industry.The upper surface of thin-wall part often shows rough shape feature.Currently, in such thin-walled
In the laser fast forming of part, 3D solid is cut into the X-Y plane profile of the height such as very much, is successively superimposed along Z-direction, by
Be interrupted in scan path in the uneven of thin-wall part upper surface, same plane profile, with deposition the number of plies increase, this
Kind interruption will cause alias, seriously affect the surface quality of thin molded part.
Summary of the invention
The alias occurred in During Laser Rapid Forming to solve the vertical thin-wall part of complex surface, the present invention propose
A kind of laser fast forming method of the vertical thin-wall part of complex surface.
According to an aspect of the present invention, a kind of laser fast forming side of complex surface vertical metal thin-wall part is provided
Method, comprising:
Three-dimensional entity model established to complex surface vertical metal thin-wall part to be formed, and by complex surface vertical metal
The upper surface of thin-wall part is divided into M point, determines the height value of each point；
According to the height value of each point, the Z axis single layer stroke at various point locations is determined；
Obtain the bottom profile data of complex surface vertical metal thin-wall part；
The Z axis single layer stroke and the bottom profile data are imported into laser fast forming equipment, starting laser is quick
Formation system starts to shape complex surface vertical metal thin-wall part.
Further, the upper surface by complex surface vertical metal thin-wall part is divided into M point, determines the height of each point
Value includes:
The upper surface of complex surface vertical metal thin-wall part is divided into M point, and the height value Z coordinate that these are put
(Z1,1,Z1,2,Z1,3……Z1,M) show.
Further, the height value according to each point determines that the Z axis single layer stroke at various point locations includes for described
Coordinate points (Z1,1,Z1,2,Z1,3……Z1,M), find out maximum value Z thereinmax, and determine the maximum value ZmaxThe Z axis at place
Single layer stroke Δ Zmax；
Determine the number of plies N that laser fast shaping complex surface metal foil wall pieces need；
Determine Z axis single layer stroke (the Δ Z at each point1,ΔZ2,ΔZ3……ΔZM) it is (Z1,1,Z1,2,Z1,3……
Z1,M)/N。
Further, the bottom profile data for obtaining complex surface vertical metal thin-wall part include:
At the corresponding M following position directly, the bottom profile of complex surface vertical metal thin-wall part is divided into M
Point, and by these points Z coordinate (ZN,1,ZN,2,ZN,3……ZN,M) show to get to comprising (ZN,1,ZN,2,ZN,3……
ZN,M) bottom profile data.
The Δ ZmaxFor 0.3mm.
Further, the N is Zmax/0.3。
Further, the value of the M is L, and wherein L is the Y-direction length of complex surface vertical metal thin-wall part, unit
For mm.
A kind of laser fast forming method of complex surface vertical metal thin-wall part proposed by the present invention, can open in 3 axis
Under the conditions of ring, using space delamination method, without changing laser power and scanning speed, pass through the Z axis at control different location
Single layer stroke shapes complex surface vertical metal thin-wall part, low to the hardware requirement of Stereolithography, reduces and sets
Standby complexity；The interruption of every layer of profile is avoided, continuous contour path avoids complex surface vertical metal surface of thin-walled parts
Alias, improve surface quality.
Detailed description of the invention
Fig. 1 is the laser fast forming method signal of complex surface vertical metal thin-wall part provided in an embodiment of the present invention
Figure；
Wherein, in figure: ZN,MIndicate the m-th point of n-th layer since upper surface；ZmaxIndicate ZN,MIn maximum value.
Specific embodiment
With reference to the accompanying drawing with a specific implementation embodiment to complex surface vertical metal thin-wall part provided by the invention
Laser fast forming method is further described.In embodiment, selected laser fast forming parameter are as follows: laser power
1000W, scanning speed 6mm/s, powder sending quantity 3.6g/min；Powder used is 316L powder of stainless steel；Substrate used thereof is not 316 not
Become rusty steel plate.
The method steps are as follows:
1) the Y-direction length of complex surface vertical metal thin-wall part to be formed is 94mm, to complex surface to be formed
Vertical metal thin-wall part establishes three-dimensional entity model, it is contemplated that and required precision and shape feature are thin by complex surface vertical metal
The upper surface of wall pieces is divided into 94 points, and the height value Z coordinate (Z that these are put1,1,Z1,2,Z1,3……Z1,94) indicate
Out；Herein, complex surface vertical metal thin-wall part also refers to the surface metal thin-wall part of surface irregularity.
2) for the coordinate points (Z1,0,Z1,2,Z1,3……Z1,94), find out maximum value Z thereinmaxFor Z1,24=
60mm；
3) the maximum value Z described inmax(Z1,24) at Z axis single layer stroke Δ ZmaxFor 0.3mm；It is steady in view of forming process
The unstability of qualitative and forming quality and forming process, by largely testing, 0.3mm is to carry out high quality forming maximum
Desirable Δ Z.
4) determine that the number of plies N that laser fast forming complex surface metal foil wall pieces need is Zmax/ 0.3=200；
5) Z axis single layer stroke (the Δ Z at each point is determined1,ΔZ2,ΔZ3……ΔZ94) it is (Z1,1,Z1,2,Z1,3……
Z1,94)/200；
6) at the M each point following position directly described in corresponding step 1), by the bottom surface of complex surface vertical metal thin-wall part
Profile is divided into 94 points, and by these points Z coordinate (Z200,1,Z200,2,Z200,3……Z200,94) show；
7) it will obtain comprising (Z200,1,Z200,2,Z200N,3……Z200,94) bottom profile data and corresponding each point
Z axis single layer stroke (Δ Z at position1,ΔZ2,ΔZ3……ΔZ94) laser fast forming equipment is imported, starting laser is rapid-result fastly
Shape system starts to shape complex surface vertical metal thin-wall part.
A kind of laser fast forming method for complex surface vertical metal thin-wall part that the embodiment of the present invention proposes, Neng Gou
Under 3 axis open loop conditions, using space delamination method, without changing laser power and scanning speed, at control different location
Z axis single layer stroke shape complex surface vertical metal thin-wall part, it is low to the hardware requirement of Stereolithography, reduce
Equipment complexity；The interruption of every layer of profile is avoided, continuous contour path avoids complex surface vertical metal thin-wall part
The alias on surface improves surface quality.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (5)
1. a kind of laser fast forming method of complex surface vertical metal thin-wall part characterized by comprising
Three-dimensional entity model established to complex surface vertical metal thin-wall part to be formed, and by complex surface vertical metal thin-walled
The upper surface of part is divided into M point, determines the height value of each point；The upper surface by complex surface vertical metal thin-wall part is divided into
M point determines that the height value of each point includes:
The upper surface of complex surface vertical metal thin-wall part is divided into M point, and the height value Z coordinate (Z that these are put1,1,
Z1,2,Z1,3……Z1,M) show；
According to the height value of each point, the Z axis single layer stroke at various point locations is determined；The height value according to each point determines each
Putting the Z axis single layer stroke at position includes:
For the coordinate points (Z1,1,Z1,2,Z1,3……Z1,M), find out maximum value Z thereinmax, and determine the maximum
Value ZmaxThe Z axis single layer stroke Δ Z at placemax；
Determine the number of plies N that laser fast shaping complex surface metal foil wall pieces need；
Determine Z axis single layer stroke (the Δ Z at each point1,ΔZ2,ΔZ3……ΔZM) it is (Z1,1,Z1,2,Z1,3……Z1,M)/N；
Obtain the bottom profile data of complex surface vertical metal thin-wall part；
The Z axis single layer stroke and the bottom profile data are imported into laser fast forming equipment, start laser fast forming
System starts to shape complex surface vertical metal thin-wall part.
2. the laser fast forming method of complex surface vertical metal thin-wall part according to claim 1, which is characterized in that
It is described obtain complex surface vertical metal thin-wall part bottom profile data include:
At the corresponding M following position directly, the bottom profile of complex surface vertical metal thin-wall part is divided into M point,
And by these points Z coordinate (ZN,1,ZN,2,ZN,3……ZN,M) show to get to comprising (ZN,1,ZN,2,ZN,3……ZN,M)
Bottom profile data.
3. the laser fast forming method of complex surface vertical metal thin-wall part according to claim 1, which is characterized in that
The Δ ZmaxFor 0.3mm.
4. the laser fast forming side of complex surface vertical metal thin-wall part according to claim 1 and method, feature exist
In the N is Zmax/0.3。
5. the laser fast forming method of complex surface vertical metal thin-wall part according to claim 1, which is characterized in that
The value of the M is L, and wherein L is the Y-direction length of complex surface vertical metal thin-wall part, unit mm.
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| CN201611181487.3A CN106583724B (en) | 2016-12-20 | 2016-12-20 | A kind of laser fast forming method of complex surface vertical metal thin-wall part |
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| CN201611181487.3A CN106583724B (en) | 2016-12-20 | 2016-12-20 | A kind of laser fast forming method of complex surface vertical metal thin-wall part |
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| CN106583724B true CN106583724B (en) | 2018-12-11 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190927A (en) * | 2014-08-11 | 2014-12-10 | 苏州大学 | Synchronous powder feeding space laser machining and three-dimensional forming method and device |
| CN104498942A (en) * | 2014-12-25 | 2015-04-08 | 大连理工大学 | Method for laser rapid forming of metal thin-walled parts with expected height |
| CN104959599A (en) * | 2015-06-11 | 2015-10-07 | 大连理工大学 | Method for quickly forming complex curved surface metal thin-wall element through lasers |
| WO2016026820A1 (en) * | 2014-08-19 | 2016-02-25 | Materialise N.V. | Slice area distribution for obtaining improved performance in additive manufacturing techniques |
-
2016
- 2016-12-20 CN CN201611181487.3A patent/CN106583724B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190927A (en) * | 2014-08-11 | 2014-12-10 | 苏州大学 | Synchronous powder feeding space laser machining and three-dimensional forming method and device |
| WO2016026820A1 (en) * | 2014-08-19 | 2016-02-25 | Materialise N.V. | Slice area distribution for obtaining improved performance in additive manufacturing techniques |
| CN104498942A (en) * | 2014-12-25 | 2015-04-08 | 大连理工大学 | Method for laser rapid forming of metal thin-walled parts with expected height |
| CN104959599A (en) * | 2015-06-11 | 2015-10-07 | 大连理工大学 | Method for quickly forming complex curved surface metal thin-wall element through lasers |
Non-Patent Citations (1)
| Title |
|---|
| 激光金属制造薄壁零件z轴单层行程模型;朱刚贤等;《焊接学报》;20100831;第31卷(第08期);57-60 * |
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Address after: 110869 No. 16 A Development Road, Shenyang Economic and Technological Development Zone, Liaoning Province Patentee after: Shenyang Blower Works Group Corp. Address before: 110869 No. 16 A Development Road, Shenyang Economic and Technological Development Zone, Liaoning Province Patentee before: SHENYANG BLOWER WORKS Group Corp. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170426 Assignee: SHENYANG BLOWER GROUP GEAR COMPRESSOR CO.,LTD. Assignor: Shenyang Blower Works Group Corp. Contract record no.: X2023210000171 Denomination of invention: A Laser Rapid Forming Method for Complex Surface Vertical Metal Thin-walled Parts Granted publication date: 20181211 License type: Common License Record date: 20231103 |
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