CN105369317A - Preparation technology of insulating thrust runner collar with long service life - Google Patents
Preparation technology of insulating thrust runner collar with long service life Download PDFInfo
- Publication number
- CN105369317A CN105369317A CN201510910656.1A CN201510910656A CN105369317A CN 105369317 A CN105369317 A CN 105369317A CN 201510910656 A CN201510910656 A CN 201510910656A CN 105369317 A CN105369317 A CN 105369317A
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- CN
- China
- Prior art keywords
- preparation technology
- electrolytic solution
- runner plate
- high life
- aluminium plate
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a preparation technology of an insulating thrust runner collar with long service life. The preparation technology comprises the steps of immersing an aluminium plate in an electrolytic bath filled with an electrolyte; and carrying out micro-arc oxidation under a set condition, so as to form an oxidation film on the surface of the aluminium plate, wherein the aluminium plate is adopted as the anode; a stainless steel plate is adopted as the cathode; the set condition specifically lies in that the voltage range is 500-550 V, the current density is 12-14 A/dm<2>, the electrolyte temperature is 30-35 DEG C, and the reaction time is 20-25 min; and the electrolyte comprises 20-22 g/L potassium borate, 5-6 g/L sodium tungstate and 1-2 g/L sodium hypophosphite. According to the scheme, a compact oxidation film layer can be formed on the surface of the aluminium plate through the adoption of the micro-arc oxidation technology, and the oxidation film layer ensures that the insulating thrust runner collar can be highly frequently used without expansion, contraction and sinking during hot pressing under the high temperature and high pressure condition, and the surface is flat and abrasion resistant.
Description
Technical field
The present invention relates to a kind of preparation technology of the runner plate that insulate, be specifically related to the preparation technology of insulation of a kind of high life based on differential arc oxidation runner plate.
Background technology
When the main body base material on manufacturing line road plate (PCB), need to use electric press that materials different for multilayer is carried out pressing, the principle of work of this electric press is by the processed tacky resin material of Copper Foil (or aluminium foil) conduction heating, and by applying certain pressure, multilayer material is pressure bonded to not a half hour, thus obtained board substrate, and in use electric press bonding processes, for cost consideration, single stitching operation often needs the multi-disc of pressing simultaneously board substrate, and in order to make multi-disc board substrate when pressing, be not affected each other, need them superimposed, and insert a kind of special insulcrete between which, it has insulation, heat transfer, the effect supporting and be separated, this special insulcrete with superelevation planeness is called runner plate.
Runner plate and the maximum difference of common insulcrete are exactly the oxide film that there is a kind of densification on its surface, the performance of this oxidation film layer on runner plate has great impact, in process for pressing, very high to the performance requriements of runner plate, electric press is when operating, both heat of high temperature (being greater than 300 DEG C) had been produced, there is again very strong pressure (being greater than 50MPa), this just needs runner plate to possess outstanding resistance to hot press performance, namely runner plate needs to have very high limit tolerable temperature and limit tolerance pressure, and, more weight is, the surface of runner plate still must can keep flat smooth very after repeatedly hot pressing, surface is depression not, there is not breathing, and in existing technique, also cannot realize this requirement at present, after the runner plate of prior art generally about can use about 100 times at normal temperatures, its surface just starts to occur depression, runner plate is caused to lose efficacy, and at high temperature also only can use and just lost efficacy for about 50 times.And be the spraying coating process also prematurity of this oxide film in another reason that prior art cannot meet this requirement.
Summary of the invention
For the deficiencies in the prior art part, the object of the present invention is to provide the preparation technology of insulation of a kind of high life runner plate, the runner plate gone out by this explained hereafter can realize the use ensureing high frequency time when the hot pressing of High Temperature High Pressure power, not breathing, surfacing is wear-resisting, does not cave in.
Technical scheme of the present invention is summarized as follows:
A kind of preparation technology of high life insulation runner plate, comprise: aluminium sheet is immersed and is equipped with in the electrolyzer of electrolytic solution, anode made by described aluminium sheet, negative electrode is made with stainless steel plate, under imposing a condition, carry out differential arc oxidation form oxide film to make described surface of aluminum plate, described imposing a condition is specially: voltage range 500 ~ 550V, current density 12 ~ 14A/dm
2, electrolyte temperature is 30 ~ 35 DEG C, and the reaction times is 20 ~ 25min;
Described electrolytic solution comprises: potassium borate 20 ~ 22g/L, sodium wolframate 5 ~ 6g/L, sodium hypophosphite 1 ~ 2g/L.
Preferably, the preparation technology of described high life insulation runner plate, wherein, the pH of described electrolytic solution is 9 ~ 12.
Preferably, the preparation technology of described high life insulation runner plate, wherein, described electrolytic solution also comprises Potassium monofluoride 1 ~ 2g/L.
Preferably, the preparation technology of described high life insulation runner plate, wherein, described electrolytic solution also comprises zinc carbonate 0.5 ~ 0.8g/L.
Preferably, the preparation technology of described high life insulation runner plate, wherein, described electrolytic solution also comprises ethylene glycol 4 ~ 5g/L.
The invention has the beneficial effects as follows: adopt micro-arc oxidation process can form the oxidation film layer of one deck densification in surface of aluminum plate, this oxidation film layer can make insulation runner plate can realize being ensured the use of high frequency time during hot pressing in High Temperature High Pressure power, not breathing, surfacing is wear-resisting, does not cave in.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, can implement according to this with reference to specification sheets word to make those skilled in the art.
This case proposes the preparation technology of the high life insulation runner plate of an embodiment, comprise: aluminium sheet is immersed and is equipped with in the electrolyzer of electrolytic solution, anode is made with aluminium sheet, negative electrode is made with stainless steel plate, under imposing a condition, carry out differential arc oxidation form oxide film to make this surface of aluminum plate, described imposing a condition is specially: voltage range 500 ~ 550V, current density 12 ~ 14A/dm
2, electrolyte temperature is 30 ~ 35 DEG C, and the reaction times is 20 ~ 25min; Electrolytic solution comprises: potassium borate 20 ~ 22g/L, sodium wolframate 5 ~ 6g/L, sodium hypophosphite 1 ~ 2g/L.
In the above-described embodiments, the pH of electrolytic solution is preferably 9 ~ 12.The regulative mode not circumscribed of pH, can adopt the conventional mineral alkali such as potassium hydroxide, sodium hydroxide to regulate.
In the above-described embodiments, electrolytic solution also comprises Potassium monofluoride 1 ~ 2g/L.The effect of Potassium monofluoride is the degree of compactness of controlled oxidization rete, and the content of Potassium monofluoride should be defined.
In the above-described embodiments, electrolytic solution also comprises zinc carbonate 0.5 ~ 0.8g/L.The effect of zinc carbonate is the synthesis speed of controlled oxidization film, and the content of zinc carbonate should be defined.
In the above-described embodiments, electrolytic solution also comprises ethylene glycol 4 ~ 5g/L.The effect of ethylene glycol is stablizer, and the content of ethylene glycol should be defined.
The performance perameter of the high life insulation runner plate adopting different electrolytes to obtain listed by table one.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details.
Claims (5)
1. the preparation technology of a high life insulation runner plate, comprise: aluminium sheet is immersed and is equipped with in the electrolyzer of electrolytic solution, anode made by described aluminium sheet, negative electrode is made with stainless steel plate, under imposing a condition, carry out differential arc oxidation form oxide film to make described surface of aluminum plate, described imposing a condition is specially: voltage range 500 ~ 550V, current density 12 ~ 14A/dm
2, electrolyte temperature is 30 ~ 35 DEG C, and the reaction times is 20 ~ 25min;
Described electrolytic solution comprises: potassium borate 20 ~ 22g/L, sodium wolframate 5 ~ 6g/L, sodium hypophosphite 1 ~ 2g/L.
2. the preparation technology of high life insulation runner plate according to claim 1, it is characterized in that, the pH of described electrolytic solution is 9 ~ 12.
3. the preparation technology of high life insulation runner plate according to claim 1, it is characterized in that, described electrolytic solution also comprises Potassium monofluoride 1 ~ 2g/L.
4. the preparation technology of high life insulation runner plate according to claim 1, it is characterized in that, described electrolytic solution also comprises zinc carbonate 0.5 ~ 0.8g/L.
5. the preparation technology of high life insulation runner plate according to claim 1, it is characterized in that, described electrolytic solution also comprises ethylene glycol 4 ~ 5g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510910656.1A CN105369317A (en) | 2015-12-10 | 2015-12-10 | Preparation technology of insulating thrust runner collar with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510910656.1A CN105369317A (en) | 2015-12-10 | 2015-12-10 | Preparation technology of insulating thrust runner collar with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105369317A true CN105369317A (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510910656.1A Pending CN105369317A (en) | 2015-12-10 | 2015-12-10 | Preparation technology of insulating thrust runner collar with long service life |
Country Status (1)
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| CN (1) | CN105369317A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2238351C1 (en) * | 2003-09-02 | 2004-10-20 | Пензенский государственный университет | Coating method |
| CN1554806A (en) * | 2003-12-23 | 2004-12-15 | 长安大学 | Micro arc oxidation treating process for aluminium alloy cylinder inner surface |
| CN1749444A (en) * | 2004-09-14 | 2006-03-22 | 青岛科技大学 | Method for plasma micro arc oxidizing of light metal surface |
| CN102400140A (en) * | 2011-11-01 | 2012-04-04 | 黑龙江八一农垦大学 | Treatment method for surface micro-arc oxidation of agricultural plough |
| CN102634833A (en) * | 2012-05-02 | 2012-08-15 | 山东理工大学 | Method for composite surface treatment of aluminum alloy tire mold |
| CN103695980A (en) * | 2012-09-27 | 2014-04-02 | 中国科学院金属研究所 | Preparation method of single-layer micro-arc oxidation ceramic film on surface of aluminum alloy |
| CN104514027A (en) * | 2014-12-25 | 2015-04-15 | 广东省工业技术研究院(广州有色金属研究院) | Electrolyte solution for preparing aluminum and aluminum alloy ceramic membrane through micro-arc oxidation technology |
-
2015
- 2015-12-10 CN CN201510910656.1A patent/CN105369317A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2238351C1 (en) * | 2003-09-02 | 2004-10-20 | Пензенский государственный университет | Coating method |
| CN1554806A (en) * | 2003-12-23 | 2004-12-15 | 长安大学 | Micro arc oxidation treating process for aluminium alloy cylinder inner surface |
| CN1749444A (en) * | 2004-09-14 | 2006-03-22 | 青岛科技大学 | Method for plasma micro arc oxidizing of light metal surface |
| CN102400140A (en) * | 2011-11-01 | 2012-04-04 | 黑龙江八一农垦大学 | Treatment method for surface micro-arc oxidation of agricultural plough |
| CN102634833A (en) * | 2012-05-02 | 2012-08-15 | 山东理工大学 | Method for composite surface treatment of aluminum alloy tire mold |
| CN103695980A (en) * | 2012-09-27 | 2014-04-02 | 中国科学院金属研究所 | Preparation method of single-layer micro-arc oxidation ceramic film on surface of aluminum alloy |
| CN104514027A (en) * | 2014-12-25 | 2015-04-15 | 广东省工业技术研究院(广州有色金属研究院) | Electrolyte solution for preparing aluminum and aluminum alloy ceramic membrane through micro-arc oxidation technology |
Non-Patent Citations (1)
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| 陈静 等: "铝合金微弧氧化溶液体系的研究进展", 《材料导报》 * |
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Application publication date: 20160302 |
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