CN102744669B - Surface finish process of plastic mould body of refrigerator - Google Patents
Surface finish process of plastic mould body of refrigerator Download PDFInfo
- Publication number
- CN102744669B CN102744669B CN201210210117.3A CN201210210117A CN102744669B CN 102744669 B CN102744669 B CN 102744669B CN 201210210117 A CN201210210117 A CN 201210210117A CN 102744669 B CN102744669 B CN 102744669B
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- mould body
- plastics suction
- suction mould
- body surfaces
- sanding
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- 239000004033 plastic Substances 0.000 title claims abstract description 57
- 229920003023 plastic Polymers 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000000227 grinding Methods 0.000 claims abstract description 23
- 239000004576 sand Substances 0.000 claims abstract description 18
- 244000137852 Petrea volubilis Species 0.000 claims description 25
- 238000005498 polishing Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000839 emulsion Substances 0.000 claims description 12
- 210000002268 wool Anatomy 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 6
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 235000011187 glycerol Nutrition 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- 235000019394 potassium persulphate Nutrition 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 239000003350 kerosene Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 235000011837 pasties Nutrition 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 229910001651 emery Inorganic materials 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 238000007514 turning Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000037452 priming Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a surface finish process of a plastic mould body of a refrigerator. The process comprises the steps of: sanding and priming the surface of the plastic mould body; connecting sand marks on surfaces of the plastic mould body smoothly; grinding the surface of the plastic mould body; and washing the surface of the plastic mould body. According to the surface finish process of the plastic mould body of the refrigerator provided by the invention, the production efficiency is improved, the labor intensity of operators is reduced, cost is increased appropriately, and the smoothness of the molded surface of the mould is enhanced greatly and reaches or exceeds Ra0.4, and the surface finish process of the plastic mould body of the refrigerator provided by the invention lays a solid foundation for enhancing the manufacturing quality of downstream plastic pieces.
Description
Technical field
The present invention relates to a kind of refrigerator plastics suction mould body surfaces finishing method.
Background technology
Plastics suction mould body surfaces does not generally reach minute surface requirement in the market, and detailed process generally all adopts by hand enters a grade mode sanding by sand paper echelon.Which operator first selects 180 order sand paper to carry out preliminary sanding to profile, then selects 240 order sand paper sand thin, then adopts successively 360 orders, 600 orders, 800 order sand paper sandings so step by step, finally receives light with 1200 order sand paper.Which labour intensity is large, and with duration, the surface smoothness of polishing is poor, and fineness reaches or lower than Ra0.8.
Summary of the invention
The invention provides that a kind of labour intensity reduces, the operating time reduces, and can improve the refrigerator plastics suction mould body surfaces finishing method of the surface quality of plastics sucking moulding product.
Technical solution problem of the present invention provides following scheme:
A kind of refrigerator plastics suction mould body surfaces finishing method, is characterized in that comprising the following steps:
A) environment temperature remains between 20-30 DEG C, and plastics suction mould body surfaces is carried out to sanding bottoming:
First use polishing machine to carry out sanding bottoming operation to the large area profile of plastics suction mould body surfaces, described polishing machine first selects 180 order sand paper to carry out preliminary sanding to profile, select again 240 order sand paper sand thin, then adopt successively 360 orders, 600 orders, 800 order sand paper sandings so step by step, finally receive light with 1200 order sand paper; For the turning of plastics suction mould body surfaces and Pneumatic rotary tools clamping emery cloth sanding bottoming step by step for the profile of small size;
B) the sand trace of each plastics suction mould main body is connect suitable:
After the end accomplishes fluently, operator connects the sand trace of each profile with 1200 order sand paper suitable again, manual be again plastics suction mould main body profile sanding bottoming once;
C) plastics suction mould body surfaces is ground:
The sand trace of plastics suction mould body surfaces connect along after, be stirred in together in 1:1 ratio with W3.5 diamond paste, green oil, be diluted to the uniform coating of pasty state with kerosene and spread upon the plastics suction mould body surfaces of accomplishing fluently the end, then carry out surface grinding with the High Rotation Speed polishing machine that wool wheel is installed;
D) plastics suction mould body surfaces is cleaned:
Clean and inhale the mould body surfaces of grinding by proper amount of clear water, then receive light with flannelette, obtain surface smoothness and reach the mirror ultrafinish face of Ra0.5 μ m.
Further, at step C) grind after, step D) front, can adopt again following grinding agent to utilize wool wheel High Rotation Speed polishing machine to grind, and then clean; The weight portion of described grinding agent raw material composition is: 500 parts of modifying cinepazid emulsions and 100 parts of nano-aluminium oxide powder, 50 parts of nanometer silicon carbide powder mixtures are evenly used; It is to be made up of the raw material of following weight parts for modifying cinepazid emulsion: deionized water 200-210, glycerine 6-7, p-methylstyrene 15-20, hydroxyethyl methacrylate 7-9, acrylate 5-8, acrylic acid 4-6, potassium peroxydisulfate 0.3-0.5, allyloxy hydroxypropyl azochlorosulfonate acid sodium 0.5-0.7;
The preparation method of described modifying cinepazid emulsion comprises the following steps:
After 170-180 part deionized water and whole allyloxy hydroxypropyl azochlorosulfonate acid sodium, glycerine are mixed, high-speed stirred is carried out warming-in-water to emulsification fully, 70-80 DEG C to be warmed up to, add by weight p-methylstyrene, hydroxyethyl methacrylate, acrylate and acrylic acid and with residue deionized water consoluet potassium peroxydisulfate, then be warming up to 85-90 DEG C, be incubated after about one hour, be cooled to room temperature, obtain modifying cinepazid emulsion.Can obtain the mirror ultrafinish face that surface smoothness reaches Ra0.4 μ m.
Described refrigerator plastics suction mould is selected aluminium ZL401, and this material molecule structure is fine and closely woven, and casting fluidity is good, but case hardness is softer, the main body of having cast, after machining center numerical control fine finishining, flows to polishing process, the direct manual bottoming of general employing in the past, because manual force is unbalanced, and the each side reasons such as every bit manipulation person's mental emotion, cause sanding process light or heavy, conscientious or careless and sloppy, thereby cause, body surfaces is bright and clean to differ, and overall fineness is bad.
First polishing process of the present invention requires sanding environment temperature to remain between 20-30 DEG C, and operation site air is clean, generally adopts the principle of mechanical electric power driven tools as far as possible.
Operator self also will check own work clothes and parts of body, must keep clean, (it is high that these abrasive pastes have hardness to use W3.5 diamond paste again, the advantages such as granularity is little, through the contrast of repetition test repeatedly and determine, a kind of abrasive material of the most applicable ZL401 material polishing at present), be equipped with and connect the good green oil abrasive pastes of mobility in 1:1.5 ratio uniform stirring together, two kinds of performance differences, but mutual supplementary abrasive pastes are after abundant fusion again, be diluted to the uniform coating of pasty state with kerosene and spread upon the plastics suction mould body surfaces of accomplishing fluently the end, carry out surface grinding with the wool wheel High Rotation Speed polishing machine that is provided with 100 again.Select pure wool quality runner at this, because pure wool is organic fiber, not only toughness is moderate, a softer and smoother touch, the more important thing is in localized hyperthermia, after microcosmic burning, unlike chemical fibre material, produce thick material, and direct carbonization becomes the superfine powder of microcosmic, in process of lapping, not only can not damage abradant surface, and trace this carbonized powder also improved grinding environment, more improved the surface smoothness of abradant surface.Grinding turns with polishing machine Revolution Per Minute 8000-12000, the high-speed rotary change of team makes the local atom of body surfaces under the effect of high temperature high energy, body surfaces is pushed and polishing, make body surfaces fineness reach mirror effect, thereby improve the micro-hardness of body surfaces, and correspondingly improved wearability and the corrosion resistance of die surface.Make mould in use not only improve product quality, also increased the service life of mould.Large of process of lapping adopts traditional 8-shaped rotation reciprocating motion mode, the flatness that ensures large face conforms to requirement, and in process of lapping, the moment is paid close attention to abrasive pastes under abrasive wheel, has not had again to smear in time, find that foreign particles removing is in time clean, more again smear grinding.
The present invention adopts homemade grinding agent, can further improve grinding effect.
Plastics suction mould body surfaces is cleaned:
The advantage of this technique:
Utilize widely pneumatic and electric tool, improve production efficiency, alleviate operator's labour intensity, some costs are increased in right amount, obtain the significantly lifting of die main body profile fineness, meet or exceed Ra0.4,0.5 level, for the lifting of downstream plastic-absorbing component workmanship provides solid condition.
Detailed description of the invention
Example 1:
A kind of refrigerator plastics suction mould (aluminium ZL401 material) body surfaces glossing, comprises the following steps:
A) environment temperature remains between 20-30 DEG C, and plastics suction mould body surfaces is carried out to sanding bottoming:
First use polishing machine to carry out sanding bottoming operation to the large area profile of plastics suction mould body surfaces, described polishing machine first selects 180 order sand paper to carry out preliminary sanding to profile, select again 240 order sand paper sand thin, then adopt successively 360 orders, 600 orders, 800 order sand paper sandings so step by step, finally receive light with 1200 order sand paper; For the turning of plastics suction mould body surfaces and Pneumatic rotary tools clamping emery cloth sanding bottoming step by step for the profile of small size;
B) the sand trace of each plastics suction mould main body is connect suitable:
After the end accomplishes fluently, operator connects the sand trace of each profile with 1200 order sand paper suitable again, manual be again plastics suction mould main body profile sanding bottoming once;
C) plastics suction mould body surfaces is ground:
The sand trace of plastics suction mould body surfaces connect along after, be stirred in together in 1:1 ratio with W3.5 diamond paste, green oil, be diluted to the uniform coating of pasty state with kerosene and spread upon the plastics suction mould body surfaces of accomplishing fluently the end, then carry out surface grinding with the High Rotation Speed polishing machine that wool wheel is installed; Grinding turns with polishing machine Revolution Per Minute 8000-12000.
D) plastics suction mould body surfaces is cleaned:
Clean and inhale the mould body surfaces of grinding by proper amount of clear water, then receive light with flannelette, obtain surface smoothness and reach the mirror ultrafinish face of Ra0.5 μ m.
Example 2:
A kind of refrigerator plastics suction mould (aluminium ZL401 material) body surfaces glossing, comprises the following steps:
A) environment temperature remains between 20-30 DEG C, and plastics suction mould body surfaces is carried out to sanding bottoming:
First use polishing machine to carry out sanding bottoming operation to the large area profile of plastics suction mould body surfaces, described polishing machine first selects 180 order sand paper to carry out preliminary sanding to profile, select again 240 order sand paper sand thin, then adopt successively 360 orders, 600 orders, 800 order sand paper sandings so step by step, finally receive light with 1200 order sand paper; For the turning of plastics suction mould body surfaces and Pneumatic rotary tools clamping emery cloth sanding bottoming step by step for the profile of small size;
B) the sand trace of each plastics suction mould main body is connect suitable:
After the end accomplishes fluently, operator connects the sand trace of each profile with 1200 order sand paper suitable again, manual be again plastics suction mould main body profile sanding bottoming once;
C) plastics suction mould body surfaces is ground:
The sand trace of plastics suction mould body surfaces connect along after, be stirred in together in 1:1 ratio with W3.5 diamond paste, green oil, be diluted to the uniform coating of pasty state with kerosene and spread upon the plastics suction mould body surfaces of accomplishing fluently the end, then carry out surface grinding with the High Rotation Speed polishing machine that wool wheel is installed; Grinding turns with polishing machine Revolution Per Minute 8000-12000.
D) adopt, more following grinding agent to utilize wool wheel High Rotation Speed polishing machine to grind, and then clean; The weight portion of described grinding agent raw material composition is: 500 parts of modifying cinepazid emulsions and 100 parts of nano-aluminium oxide powder, 50 parts of nanometer silicon carbide powder mixtures are evenly used; It is to be made up of the raw material of following weight parts for modifying cinepazid emulsion: deionized water 200-210, glycerine 6-7, p-methylstyrene 15-20, hydroxyethyl methacrylate 7-9, acrylate 5-8, acrylic acid 4-6, potassium peroxydisulfate 0.3-0.5, allyloxy hydroxypropyl azochlorosulfonate acid sodium 0.5-0.7;
The preparation method of modifying cinepazid emulsion comprises the following steps:
After 170-180 part deionized water and whole allyloxy hydroxypropyl azochlorosulfonate acid sodium, glycerine are mixed, high-speed stirred is carried out warming-in-water to emulsification fully, 70-80 DEG C to be warmed up to, add by weight p-methylstyrene, hydroxyethyl methacrylate, acrylate and acrylic acid and with residue deionized water consoluet potassium peroxydisulfate, then be warming up to 85-90 DEG C, be incubated after about one hour, be cooled to room temperature, obtain modifying cinepazid emulsion.
E) plastics suction mould body surfaces is cleaned:
Clean and inhale the mould body surfaces of grinding by proper amount of clear water, then receive light with flannelette, obtain surface smoothness and reach the mirror ultrafinish face of Ra0.4 μ m.
Claims (1)
1. a refrigerator plastics suction mould body surfaces finishing method, is characterized in that comprising the following steps:
A) environment temperature remains between 20-30 DEG C, and plastics suction mould body surfaces is carried out to sanding bottoming:
First use polishing machine to carry out sanding bottoming operation to the large area profile of plastics suction mould body surfaces, described polishing machine first selects 180 order sand paper to carry out preliminary sanding to profile, select again 240 order sand paper sand thin, then adopt successively 360 orders, 600 orders, 800 order sand paper sandings so step by step, finally receive light with 1200 order sand paper; For the turning of plastics suction mould body surfaces and Pneumatic rotary tools clamping emery cloth sanding bottoming step by step for the profile of small size;
B) the sand trace of each plastics suction mould main body is connect suitable:
After the end accomplishes fluently, operator connects the sand trace of each profile with 1200 order sand paper suitable again, manual be again plastics suction mould main body profile sanding bottoming once;
C) plastics suction mould body surfaces is ground:
The sand trace of plastics suction mould body surfaces connect along after, be stirred in together in 1:1 ratio with W3.5 diamond paste, green oil, be diluted to the uniform coating of pasty state with kerosene and spread upon the plastics suction mould body surfaces of accomplishing fluently the end, then carry out surface grinding with the High Rotation Speed polishing machine that wool wheel is installed;
D) plastics suction mould body surfaces is cleaned:
Clean and the mould body surfaces of grinding by proper amount of clear water, then receive light with flannelette, obtain surface smoothness and reach the mirror ultrafinish face of Ra0.5 μ m;
At step C) grind after, then adopt following grinding agent to utilize wool wheel High Rotation Speed polishing machine to grind, and then clean; The weight portion of described grinding agent raw material composition is: 500 parts of modifying cinepazid emulsions and 100 parts of nano-aluminium oxide powder, 50 parts of nanometer silicon carbide powder mixtures are evenly used; It is to be made up of the raw material of following weight parts for modifying cinepazid emulsion: deionized water 200-210, glycerine 6-7, p-methylstyrene 15-20, hydroxyethyl methacrylate 7-9, acrylate 5-8, acrylic acid 4-6, potassium peroxydisulfate 0.3-0.5, allyloxy hydroxypropyl azochlorosulfonate acid sodium 0.5-0.7;
The preparation method of described modifying cinepazid emulsion comprises the following steps:
After 170-180 part deionized water and whole allyloxy hydroxypropyl azochlorosulfonate acid sodium, glycerine are mixed, high-speed stirred is carried out warming-in-water to emulsification fully, 70-80 DEG C to be warmed up to, add by weight p-methylstyrene, hydroxyethyl methacrylate, acrylate and acrylic acid and with residue deionized water consoluet potassium peroxydisulfate, then be warming up to 85-90 DEG C, be incubated after about one hour, be cooled to room temperature, obtain modifying cinepazid emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210117.3A CN102744669B (en) | 2012-06-25 | 2012-06-25 | Surface finish process of plastic mould body of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210117.3A CN102744669B (en) | 2012-06-25 | 2012-06-25 | Surface finish process of plastic mould body of refrigerator |
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| Publication Number | Publication Date |
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| CN102744669A CN102744669A (en) | 2012-10-24 |
| CN102744669B true CN102744669B (en) | 2014-10-22 |
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| CN201210210117.3A Expired - Fee Related CN102744669B (en) | 2012-06-25 | 2012-06-25 | Surface finish process of plastic mould body of refrigerator |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400607A (en) * | 2014-10-27 | 2015-03-11 | 苏州广型模具有限公司 | Polishing method for precision mold |
| CN105666304A (en) * | 2016-03-08 | 2016-06-15 | 沈阳富创精密设备有限公司 | Dry type mirror polishing technology for aluminum alloy |
| CN108747601A (en) * | 2018-05-28 | 2018-11-06 | 佛山市南海华达高木模具有限公司 | The polishing process of auto lamp mold |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003119594A (en) * | 2001-10-10 | 2003-04-23 | Shokosha:Kk | Workpiece consisting of aluminum alloy and surface treatment method therefor |
| CN1970839A (en) * | 2005-11-23 | 2007-05-30 | 熊映明 | Bright levelling technology for aluminium alloy |
| CN101183053A (en) * | 2007-12-04 | 2008-05-21 | 北京有色金属研究总院 | Preparation method of high fine aluminium-copper series alloy metallographical example |
| CN101368272A (en) * | 2007-08-15 | 2009-02-18 | 江苏海迅实业集团股份有限公司 | Aluminum and aluminum alloy material polishing solution |
| CN101513727A (en) * | 2008-12-30 | 2009-08-26 | 毕祥玉 | Polishing process and preparation method for mirror aluminum alloy checkered plate |
| CN102259287A (en) * | 2010-05-24 | 2011-11-30 | 李俊霈 | Processing method for surface of mirror surface stainless steel object |
-
2012
- 2012-06-25 CN CN201210210117.3A patent/CN102744669B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003119594A (en) * | 2001-10-10 | 2003-04-23 | Shokosha:Kk | Workpiece consisting of aluminum alloy and surface treatment method therefor |
| CN1970839A (en) * | 2005-11-23 | 2007-05-30 | 熊映明 | Bright levelling technology for aluminium alloy |
| CN101368272A (en) * | 2007-08-15 | 2009-02-18 | 江苏海迅实业集团股份有限公司 | Aluminum and aluminum alloy material polishing solution |
| CN101183053A (en) * | 2007-12-04 | 2008-05-21 | 北京有色金属研究总院 | Preparation method of high fine aluminium-copper series alloy metallographical example |
| CN101513727A (en) * | 2008-12-30 | 2009-08-26 | 毕祥玉 | Polishing process and preparation method for mirror aluminum alloy checkered plate |
| CN102259287A (en) * | 2010-05-24 | 2011-11-30 | 李俊霈 | Processing method for surface of mirror surface stainless steel object |
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