CN102678604A - Radiating fan and metal etching method for base of radiating fan - Google Patents
Radiating fan and metal etching method for base of radiating fan Download PDFInfo
- Publication number
- CN102678604A CN102678604A CN2012101167972A CN201210116797A CN102678604A CN 102678604 A CN102678604 A CN 102678604A CN 2012101167972 A CN2012101167972 A CN 2012101167972A CN 201210116797 A CN201210116797 A CN 201210116797A CN 102678604 A CN102678604 A CN 102678604A
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- Prior art keywords
- fan
- base
- metallic base
- protective film
- etching
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Abstract
Disclosed are a radiating fan and a metal etching method for a base of the radiating fan. The metal etching method is used for machining a wire outlet groove on the metal base of the radiating fan, and includes a protective film coating step, a wire outlet groove laser engraving step, a wire outlet groove etching step and a protective film removing step. The radiating fan comprises a fan rotor, a fan shell, a fan base and a fan electronic assembly, wherein the fan shell is mounted on the fan base, the fan rotor is disposed in a holding space enclosed by the fan shell and the fan base, the fan rotor and the fan electronic assembly are connected, the fan base is the metal base, the wire outlet groove for being connected with the fan electronic assembly is disposed on the metal base, and the metal base is machined by the metal etching method.
Description
Technical field
The present invention relates to a kind of radiation fan and base processing method thereof, the metal etching method of particularly a kind of radiation fan and base thereof.
Background technique
Radiation fan has a lot of use metallic bases at present.The stamping part that adopt more.For fear of self character, stamping part can't mold out line trenches 10, referring to Fig. 1.The technology that existing technology adopts is to adopt the mode of numerical control machine tool (CNC) machining to mill out this road groove.If but CNC machining is used for the higher metal of hardness ratio (stainless steel series), can jagged and stress deformation.Burr has the hidden danger of stabbing outlet, so also will increase by two steps of deburring and polishing, further aggravation stress deformation after numerical control machine tool (CNC) machining.
Existing technology
10 go out line trenches
The present invention
1 fan propeller
2 fan drums
3 fan bases
31 go out line trenches
4 fan electrical assemblys
S1～S4 step
Summary of the invention
Technical problem to be solved by this invention provides a kind of radiation fan and metallic base engraving method thereof, to overcome the above-mentioned defective of existing technology.
To achieve these goals, the invention provides a kind of metal etching method, be used for the processing that goes out line trenches on the metallic base of radiation fan, wherein, comprising:
Coating protection film step is at metallic base all surfaces electro-coating layer protecting film;
Laser engraving goes out the line trenches step, adopts laser ablation to treat etched said this protective film that goes out the line trenches position;
Etch the line trenches step, removal is treated that this metallic base behind the etched said protective film that goes out the line trenches position puts into Etching machines and carry out etching;
Remove the protective film step, after etching is accomplished, remove this protective film in the acid solution taking out in this metallic base self etching machine and being placed on.
Above-mentioned metal etching method, wherein, said protective film is an electrodeposited paint film.
Above-mentioned metal etching method wherein, before etching the line trenches step, also comprises:
Mend the some step, fill showing money or valuables one carries unintentionally of said metallic base surface with lacquer, to protect its inside.
Above-mentioned metal etching method, wherein, said etching in the line trenches step, the etch temperature of said Etching machines is 40 ℃-75 ℃, and etching pressure is 20-40, and etching solution is FeCl
3Solution, FeCl
3Concentration be 40-55.
Above-mentioned metal etching method wherein, after removing the protective film step, also comprises:
Step is dried in flushing, and the metallic base that removes protective film is dried after with flushing with clean water.
Above-mentioned metal etching method wherein, after removing the protective film step, also comprises:
Step is dried in flushing, and the metallic base that removes protective film is dried after with flushing with clean water.
Above-mentioned metal etching method, wherein, said coating protection film step comprises: the stain of deoiling, phosphatization, washing, electrophoresis, washing and baking step.
Above-mentioned metal etching method, wherein, said coating protection film step comprises: the stain of deoiling, phosphatization, washing, electrophoresis, washing and baking step.
In order to realize above-mentioned purpose better; The present invention also provides a kind of radiation fan, comprises fan propeller, fan drum, fan base and fan electrical assembly, and said fan drum is installed on the said fan base; Said fan propeller is arranged in the containing space that said fan drum and said fan base surround; Said fan propeller is connected with said fan electrical assembly, and said fan base is a metallic base, and said metallic base is provided with the line trenches that goes out that is used to connect said fan electrical assembly; Wherein, said metallic base is the metallic base that above-mentioned metal etching method is processed.
Technique effect of the present invention is:
The present invention adopts the processes of chemical etching (Etchiing) to go out line trenches, utilizes 3 valency iron (Fe
3+) high activity corrosion oxidized metal element, etch lines and groove in the metal surface; The groove that chemical etching processes can be not jagged, appearance looks elegant; Nothing receives stress-strain, can improve the planeness of metallic base; Chemical etching processing groove depth is controlled, and evenly; The chemical etching production capacity is stable, can reach 40KPCS/20H.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 goes out the line trenches schematic representation for existing technology processing;
Fig. 2 is a cooling fan structure schematic representation of the present invention;
Fig. 3 is the rear view of Fig. 2;
Fig. 4 is a metal etching method flow chart of the present invention.
Wherein, reference character
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and working principle are done concrete description:
Referring to Fig. 2 and Fig. 3, Fig. 2 is a cooling fan structure schematic representation of the present invention, and Fig. 3 is the rear view of Fig. 2.Radiation fan of the present invention; Comprise fan propeller 1, fan drum 2, fan base 3 and fan electrical assembly 4; Said fan drum 2 is installed on the said fan base 3; Said fan propeller 1 is arranged in the containing space that said fan drum 2 and said fan base 3 surround, and said fan propeller 1 is connected with said fan electrical assembly 4, and said fan base 3 is a metallic base; Said metallic base be provided be used to connect said fan electrical assembly 4 go out line trenches 31, said metallic base is that following metal etching method processes.Because of the structure and the function of other parts of this radiation fan is ripe existing technology, only the processing method of this metallic base is specified below.
Referring to Fig. 4, Fig. 4 is a metal etching method flow chart of the present invention.Metal etching method of the present invention is used for the processing that goes out line trenches 31 on the metallic base of radiation fan, comprising:
Coating protection film step S1, at metallic base all surfaces electro-coating (ED) layer protecting film, said protective film is preferably electrodeposited paint film; Electro-coating (ED) is meant the epoxy resin particulate orientated deposition that utilizes extra electric field to make to be suspended in the electrophoresis liquid on the live metal surface, and the electrophoretic paint mould has plentiful, even, smooth, the smooth advantage of coating.Said coating protection film step can comprise: the stain of deoiling, phosphatization, washing, electrophoresis, washing and baking step.
Laser engraving goes out line trenches step S2, adopts laser ablation to treat etched said this protective film that goes out line trenches 31 positions;
Etch line trenches step S3, removal is treated that this metallic base behind the etched said protective film that goes out line trenches 31 positions puts into Etching machines and carry out etching; Said etching in line trenches 31 steps, the etch temperature of said Etching machines are preferably 40 ℃-75 ℃, and etching pressure is preferably 20-40PSI, and (pound per square inch, 1PSI=6.895Kpa), etching solution is FeCl
3Solution, FeCl
3Concentration be preferably 40-55g/L (weight concentration), the position that utilizes the high activity corrosion oxidized metal base of 3 valency iron to process.
Remove protective film step S4, after etching is accomplished,, hang on the demoulding support, and to be placed on volume ratio be to remove this protective film in 10～25% sulfuric acid or the hydrochloric acid solution taking out in this metallic base self etching machine.
Wherein, before etching line trenches 31 steps, also can comprise:
Mend the some step, fill show money or valuables one carries unintentionally (like the hanging point) on said metallic base surface with lacquer, to protect its inside.Deoil in the electrophoresis process and steep the defective of technology or phosphating process, cause the application of metallic base surface local bad, formation shows money or valuables one carries unintentionally, so can adopt an Oil paint touch-up paint.
In the present embodiment, after removing the protective film step, also can comprise:
Step is dried in flushing, and the metallic base that removes protective film is dried after with flushing with clean water.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. metal etching method is used for the processing that goes out line trenches on the metallic base of radiation fan, it is characterized in that, comprising:
Coating protection film step is at metallic base all surfaces electro-coating layer protecting film;
Laser engraving goes out the line trenches step, adopts laser ablation to treat etched said this protective film that goes out the line trenches position;
Etch the line trenches step, removal is treated that this metallic base behind the etched said protective film that goes out the line trenches position puts into Etching machines and carry out etching;
Remove the protective film step, after etching is accomplished, remove this protective film in the acid solution taking out in this metallic base self etching machine and being placed on.
2. metal etching method as claimed in claim 1 is characterized in that, said protective film is an electrodeposited paint film.
3. metal etching method as claimed in claim 1 is characterized in that, before etching the line trenches step, also comprises:
Mend the some step, fill showing money or valuables one carries unintentionally of said metallic base surface with lacquer, to protect its inside.
4. like claim 1,2 or 3 described metal etching methods, it is characterized in that, said etching in the line trenches step, the etch temperature of said Etching machines is 40 ℃-75 ℃, and etching pressure is 20-40PSI, and etching solution is FeCl
3Solution, FeCl
3Concentration be 40-55g/L.
5. like claim 1,2 or 3 described metal etching methods, it is characterized in that, after removing the protective film step, also comprise:
Step is dried in flushing, and the metallic base that removes protective film is dried after with flushing with clean water.
6. metal etching method as claimed in claim 4 is characterized in that, after removing the protective film step, also comprises:
Step is dried in flushing, and the metallic base that removes protective film is dried after with flushing with clean water.
7. like claim 1,2,3 or 6 described metal etching methods, it is characterized in that said coating protection film step comprises: the stain of deoiling, phosphatization, washing, electrophoresis, washing and baking step.
8. metal etching method as claimed in claim 5 is characterized in that, said coating protection film step comprises: the stain of deoiling, phosphatization, washing, electrophoresis, washing and baking step.
9. radiation fan; Comprise fan propeller, fan drum, fan base and fan electrical assembly; Said fan drum is installed on the said fan base, and said fan propeller is arranged in the containing space that said fan drum and said fan base surround, and said fan propeller is connected with said fan electrical assembly; Said fan base is a metallic base; Said metallic base is provided with the line trenches that goes out that is used to connect said fan electrical assembly, it is characterized in that, said metallic base is above-mentioned claim 1,2,3, the metallic base of 6 or 8 described metal etching method processing.
10. radiation fan; Comprise fan propeller, fan drum, fan base and fan electrical assembly; Said fan drum is installed on the said fan base, and said fan propeller is arranged in the containing space that said fan drum and said fan base surround, and said fan propeller is connected with said fan electrical assembly; Said fan base is a metallic base; Said metallic base is provided with the line trenches that goes out that is used to connect said fan electrical assembly, it is characterized in that, said metallic base is the metallic base that the above-mentioned described metal etching method of claim 4 is processed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101167972A CN102678604A (en) | 2012-04-19 | 2012-04-19 | Radiating fan and metal etching method for base of radiating fan |
| TW101117906A TW201344061A (en) | 2012-04-19 | 2012-05-18 | Heat-dissipating fan and metal etching method of base thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101167972A CN102678604A (en) | 2012-04-19 | 2012-04-19 | Radiating fan and metal etching method for base of radiating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102678604A true CN102678604A (en) | 2012-09-19 |
Family
ID=46811001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101167972A Pending CN102678604A (en) | 2012-04-19 | 2012-04-19 | Radiating fan and metal etching method for base of radiating fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102678604A (en) |
| TW (1) | TW201344061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396656A (en) * | 2018-10-29 | 2019-03-01 | 东莞润如智能科技有限公司 | It is a kind of can comprehensive polishing facilitate collect waste material intelligent engraving etching machines |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5045742A (en) * | 1973-08-27 | 1975-04-24 | ||
| US4466859A (en) * | 1983-05-25 | 1984-08-21 | Psi Star, Inc. | Process for etching copper |
| CN1508290A (en) * | 2002-12-14 | 2004-06-30 | 鸿富锦精密工业（深圳）有限公司 | Honeycomb blind hole shell manufacturing method |
| CN1746512A (en) * | 2004-09-08 | 2006-03-15 | 台达电子工业股份有限公司 | Frame of fan |
| CN1978918A (en) * | 2005-12-03 | 2007-06-13 | 富准精密工业(深圳)有限公司 | Fan frame and fan with same |
| CN101060769A (en) * | 2007-01-26 | 2007-10-24 | 刘飞豹 | A method for producing the 3D products suitable for foldable forming |
| CN102194702A (en) * | 2010-03-12 | 2011-09-21 | 旭德科技股份有限公司 | Method for forming micro-spacing circuit tracing line |
-
2012
- 2012-04-19 CN CN2012101167972A patent/CN102678604A/en active Pending
- 2012-05-18 TW TW101117906A patent/TW201344061A/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5045742A (en) * | 1973-08-27 | 1975-04-24 | ||
| US4466859A (en) * | 1983-05-25 | 1984-08-21 | Psi Star, Inc. | Process for etching copper |
| CN1508290A (en) * | 2002-12-14 | 2004-06-30 | 鸿富锦精密工业（深圳）有限公司 | Honeycomb blind hole shell manufacturing method |
| CN1746512A (en) * | 2004-09-08 | 2006-03-15 | 台达电子工业股份有限公司 | Frame of fan |
| CN1978918A (en) * | 2005-12-03 | 2007-06-13 | 富准精密工业(深圳)有限公司 | Fan frame and fan with same |
| CN101060769A (en) * | 2007-01-26 | 2007-10-24 | 刘飞豹 | A method for producing the 3D products suitable for foldable forming |
| CN102194702A (en) * | 2010-03-12 | 2011-09-21 | 旭德科技股份有限公司 | Method for forming micro-spacing circuit tracing line |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396656A (en) * | 2018-10-29 | 2019-03-01 | 东莞润如智能科技有限公司 | It is a kind of can comprehensive polishing facilitate collect waste material intelligent engraving etching machines |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201344061A (en) | 2013-11-01 |
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| PB01 | Publication | ||
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Application publication date: 20120919 |