CN109365812A - Manufacturing method of heat radiator and equipment - Google Patents
Manufacturing method of heat radiator and equipment Download PDFInfo
- Publication number
- CN109365812A CN109365812A CN201811453468.0A CN201811453468A CN109365812A CN 109365812 A CN109365812 A CN 109365812A CN 201811453468 A CN201811453468 A CN 201811453468A CN 109365812 A CN109365812 A CN 109365812A
- Authority
- CN
- China
- Prior art keywords
- runner
- cold plate
- manufacturing
- heat radiator
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- 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
- B22F10/60—Treatment of workpieces or articles after build-up
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- 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
-
- 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 present invention discloses a kind of manufacturing method of heat radiator, and this method includes: using selective laser thawing technology by complex thin-wall runner quick forming fabri-cation, realizing the anti-corrosion of runner；Runner periphery cold plate is carried out using fused deposition method integrally formed.The present invention carries out rapid shaping to complicated water runner structure by using composite material, improves runner manufacture efficiency, shortens the lead time；Using increasing material manufacturing method, the weld seam integrity problem of traditional welding is avoided, improves the reliability of complicated water runner cold plate；Runner molding is carried out by selection resistant material, solves the anti-corrosion problem of sophisticated electronic product heat dissipation cold plate runner.
Description
Technical field
The present invention relates to radiator manufacturing process, and in particular to a kind of manufacturing method of heat radiator and equipment.
Background technique
With the continuous breakthrough of microwave assembly technology, the heat density of electronic power components be increased dramatically, Thermal Design of Electronic Equipments
Problem becomes increasingly conspicuous.The heat-sinking capability of liquid cold plate can reach 45KW/m2, be heat dissipating method more efficient, stable at present.
Liquid cold plate is typically chosen the higher aluminium alloy of thermal coefficient or copper.Runner is arranged in cold plate, and cold plate exists
The runner anti-corrosion to work long hours under adverse circumstances is always a technical problem.With the continuous increasing of electronic device power density
Greatly, to reduce thermal resistance, many cold plates are all integrated with heating device shell at present, and runner also becomes increasingly complex, reliability
It is required that higher and higher, to the runner anti-corrosion for working long hours, storing, more stringent requirements are proposed for this.
Xue Jianshun etc. summarizes 5 in article " Railway Project that indirect water-cooling technology should be noted in electronic equipment utilization "
Kind cold plate runner anti-corrosion measure, is respectively as follows:
According to the correct chosen material of varying environment；
It is passivated in metal surface；
Take cathodic protection；
Coating is covered in metal surface or generates coating；
Control corrosion rate environment and improvement design.
Liu east equality analysis and research in article " research of secondary circulation solar water heater circulatory mediator corrosion inhibition "
Corrosion mitigating effect of the circulatory mediator to carbon steel material liner.
Xu Kunhao proposes to use MULTILAYER COMPOSITE in article " thermodynamic property of the novel flat tube of micro-channel heat exchanger is evaluated "
Flat tube material replaces common galvanized pipe to enhance heat exchanger antiseptic property.
Patent CN102304706A describes a kind of long and narrow water passage surface corrosion protected treatment device of aluminium alloy heat radiator and processing
Method is realized by washing, degreasing, washing, oxidation, washing, drying and carries out preservative treatment to the long and narrow runner in aluminium alloy, real
Preservative treatment now is carried out to the long and narrow runner in aluminium alloy.
Patent CN103456702A describes the anti-corrosion method and its liquid cooling heat radiator of a kind of water power isolation, utilizes ion-conductance
Coating technology covers one layer of diamond-like carbon film on liquid cooling heat radiator inner flow passage surface and improves the corrosion-resistant of radiator inner flow passage
And flushing resistance.
Patent CN1995456 describes a kind of aluminium alloy plate type cooler flow path chemical oxidation process, passes through degreasing, water
It washes, surface adjustment and distilled water flushing, oxidation solution is flowed through into the channel in aluminium alloy plate type cooler, it is raw on runner inner wall surface
Runner corrosion is carried out at one layer of thin and dense, firm chemically composited film.
In general runner anti-corrosion measure may be summarized to be two classes: first is that control coolant liquid quality, as far as possible reduction coolant liquid
To the corrosivity of cold plate runner；Second is that handling water passage surface, such as surface using physics and chemical method using interface insulation blocking
The measures such as coating, corrosivity of the isolation coolant liquid to cold plate.Control coolant liquid can seriously affect the use occasion of cold plate, while at
This is very high；Be isolated using interface, complicated water runner is implemented it is more difficult, while cannot be completely secured inner flow passage every
From quality.
Summary of the invention
The present invention provides a kind of manufacturing method of heat radiator and equipment, using metal increasing material manufacturing method, promotes manufacture efficiency,
Improve reliability.
To achieve the above object, the present invention provides a kind of manufacturing method of heat radiator, its main feature is that, this method includes:
Technology is melted for complex thin-wall runner quick forming fabri-cation using selective laser, realizes the anti-corrosion of runner；
Runner periphery cold plate is carried out using fused deposition method integrally formed.
The method of above-mentioned runner molding manufacture includes:
Technology is melted using selective laser, printing runner, removes kish powder in runner at removal support, realizes multiple
The rapid processing of miscellaneous runner.
Above-mentioned runner uses resistant material.
Above-mentioned resistant material is using model 316 or 317 or the stainless steel of 316L or 904L.
Above-mentioned gate thickness range is 0.5mm~1mm.
Above-mentioned cold plate uses aluminium alloy or copper, and the material of cold plate matches with runner thermal expansion coefficient.
It is finished after above-mentioned cold plate molding, cold plate is carried out by precision machinery processing using lathe, is machined to pre-designed
Part size and surface quality.
When cold plate is used as indirect cooled cold plate, after cold plate processing and forming, combined cold plate with fever by mechanical erection
It is attached.
When cold plate be used for power amplifier shell integrated electric equipment, the electronic device of power amplifier shell integrated electric equipment is led to
It crosses microwave assembly technology sintering or is welded on cold plate.
A kind of radiator mfg. device, its main feature is that, which includes:
Runner antiseptic treatment equipment uses selective laser thawing technology by complex thin-wall runner quick forming fabri-cation,
Realize the anti-corrosion of runner；
Cold plate manufacturing equipment, the output end of connecting passage antiseptic treatment equipment, using fused deposition method to runner outside
It is integrally formed to enclose cold plate progress.
Compared to the prior art manufacturing method of heat radiator of the present invention and equipment, the advantage is that the present invention is by using multiple
Condensation material carries out rapid shaping to complicated water runner structure, and runner manufacture efficiency can be improved, and shortens the lead time；
The present invention uses increasing material manufacturing method, avoids traditional cold plate welding bring weld seam integrity problem, improves
The reliability of complicated water runner cold plate；
The present invention carries out runner molding by selection resistant material, and it is cold can to efficiently solve the heat dissipation of sophisticated electronic product
The anti-corrosion problem of plate runner.
Detailed description of the invention
Fig. 1 is to melt technology using selective laser in the present invention to carry out runner rapid shaping schematic diagram；
Fig. 2 is to carry out cold plate rapid shaping schematic diagram using fused deposition method in the present invention；
Fig. 3 is heating device assembling schematic diagram.
Fig. 4 is heating device assembling schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention are further illustrated.
The invention discloses a kind of embodiment of manufacturing method of heat radiator, which includes cold plate, is formed in cold plate
The runner for heat dissipation, the structure of runner are set according to radiating requirements afterwards.
As shown in Figure 1, above-mentioned manufacturing method of heat radiator comprising the following steps:
S1, as described in Figure 2, using selective laser melt technology (SLM method), on scalable platform, to complex thin-wall
Runner quick forming fabri-cation, printing runner, remove kish powder in runner at removal support, realize that the quick of complicated water runner adds
The anti-corrosion of work and runner.
Here, runner prepare material selection corrosion resistance stainless steel material, as good corrosion resistance 316,317,
316L, 904L stainless steel etc..Here according to the coolant liquid type for needing to transmit in different use occasion runners, runner prepares material
Select corresponding corrosion-resistant metal materials.
Further, because stainless steel material thermal coefficient is lower, therefore gate thickness is unsuitable blocked up, should generally control
(0.5~1) mm.
S2, as shown in figure 3, using fused deposition method (FDM) in the integrally formed cold plate in runner periphery, realize the fast of cold plate
Speed manufacture.
Here, cold plate material selection thermal coefficient high aluminium alloy or copper, while cold plate material will thermally expand with runner and be
Number matches.
It is finished after S3, cold plate molding.
Traditional machine tool can be used, cold plate is subjected to precision machinery processing, is machined to pre-designed part size and surface matter
Amount.
When cold plate is used as indirect cooled cold plate, after cold plate processing and forming, combined cold plate with fever by mechanical erection
It is attached.
As shown in figure 4, when cold plate is used for power amplifier shell integrated electric equipment, by power amplifier shell integrated electric equipment
Electronic device (such as power amplifier chips) is sintered by microwave assembly technology or is welded on cold plate.
Further, the invention also discloses a kind of radiator mfg. devices, which includes:
Runner antiseptic treatment equipment uses selective laser thawing technology by complex thin-wall runner quick forming fabri-cation,
Realize the anti-corrosion of runner.
Cold plate manufacturing equipment, the rear end of connecting passage antiseptic treatment equipment, using fused deposition method to runner periphery
Cold plate carries out integrally formed.
Further, which also includes finish machining equipment, after being set to cold plate manufacturing equipment
End is machined to pre-designed part size and surface quality for carrying out precision machinery processing to cold plate.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of manufacturing method of heat radiator, which is characterized in that the manufacturing method includes:
Technology is melted for complex thin-wall runner quick forming fabri-cation using selective laser, realizes the anti-corrosion of runner；
Runner periphery cold plate is carried out using fused deposition method integrally formed.
2. manufacturing method of heat radiator as described in claim 1, which is characterized in that the method for the runner molding manufacture includes:
Technology is melted using selective laser, printing runner, removes kish powder in runner at removal support, realizes complicated stream
The rapid processing in road.
3. manufacturing method of heat radiator as claimed in claim 1 or 2, which is characterized in that the runner uses resistant material.
4. manufacturing method of heat radiator as claimed in claim 3, which is characterized in that the resistant material using model 316,
Or the stainless steel of 317 or 316L or 904L.
5. manufacturing method of heat radiator as claimed in claim 4, which is characterized in that the gate thickness range be 0.5mm~
1mm。
6. manufacturing method of heat radiator as described in claim 1, which is characterized in that the cold plate uses aluminium alloy or copper, and
The material of cold plate matches with runner thermal expansion coefficient.
7. manufacturing method of heat radiator as described in claim 1, which is characterized in that finished, adopted after the cold plate molding
Cold plate is subjected to precision machinery processing with lathe, is machined to pre-designed part size and surface quality.
8. manufacturing method of heat radiator as claimed in claim 1 or 7, which is characterized in that when cold plate is used as indirect cooled cold plate,
After cold plate processing and forming, is combined cold plate with fever by mechanical erection and be attached.
9. manufacturing method of heat radiator as claimed in claim 1 or 7, which is characterized in that when cold plate is for the integration of power amplifier shell
The electronic device of power amplifier shell integrated electric equipment is sintered by microwave assembly technology or is welded on cold plate by electronic equipment.
10. a kind of radiator mfg. device, which is characterized in that the equipment includes:
Runner antiseptic treatment equipment uses selective laser thawing technology by complex thin-wall runner quick forming fabri-cation, realizes
The anti-corrosion of runner；
Cold plate manufacturing equipment, the output end of connecting passage antiseptic treatment equipment are cold to runner periphery using fused deposition method
Plate carries out integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453468.0A CN109365812A (en) | 2018-11-30 | 2018-11-30 | Manufacturing method of heat radiator and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453468.0A CN109365812A (en) | 2018-11-30 | 2018-11-30 | Manufacturing method of heat radiator and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109365812A true CN109365812A (en) | 2019-02-22 |
Family
ID=65376310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811453468.0A Pending CN109365812A (en) | 2018-11-30 | 2018-11-30 | Manufacturing method of heat radiator and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109365812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987995A (en) * | 2023-09-27 | 2023-11-03 | 江苏嘉轩智能工业科技股份有限公司 | Corrosion prevention technology for water cooling channel of permanent magnet direct-drive roller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070057415A1 (en) * | 2003-10-29 | 2007-03-15 | Sumitomo Precision Products Co., Ltd. | Method for producing carbon nanotube-dispersed composite material |
| CN101670437A (en) * | 2009-07-20 | 2010-03-17 | 黑龙江科技学院 | Mould making method with conformal cooling pipe |
| CN104552935A (en) * | 2013-10-24 | 2015-04-29 | 大连瑞能科技工程有限公司 | Fused deposition type 3D printer disc type multi-head printing device |
| CN107073583A (en) * | 2014-11-11 | 2017-08-18 | H.C.施塔克公司 | Microreactor system and method |
-
2018
- 2018-11-30 CN CN201811453468.0A patent/CN109365812A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070057415A1 (en) * | 2003-10-29 | 2007-03-15 | Sumitomo Precision Products Co., Ltd. | Method for producing carbon nanotube-dispersed composite material |
| CN101670437A (en) * | 2009-07-20 | 2010-03-17 | 黑龙江科技学院 | Mould making method with conformal cooling pipe |
| CN104552935A (en) * | 2013-10-24 | 2015-04-29 | 大连瑞能科技工程有限公司 | Fused deposition type 3D printer disc type multi-head printing device |
| CN107073583A (en) * | 2014-11-11 | 2017-08-18 | H.C.施塔克公司 | Microreactor system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987995A (en) * | 2023-09-27 | 2023-11-03 | 江苏嘉轩智能工业科技股份有限公司 | Corrosion prevention technology for water cooling channel of permanent magnet direct-drive roller |
| CN116987995B (en) * | 2023-09-27 | 2023-12-26 | 江苏嘉轩智能工业科技股份有限公司 | Corrosion prevention technology for water cooling channel of permanent magnet direct-drive roller |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |