CN102133837A - Magnesium alloy appearance processing method - Google Patents
Magnesium alloy appearance processing method Download PDFInfo
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- CN102133837A CN102133837A CN2010103006980A CN201010300698A CN102133837A CN 102133837 A CN102133837 A CN 102133837A CN 2010103006980 A CN2010103006980 A CN 2010103006980A CN 201010300698 A CN201010300698 A CN 201010300698A CN 102133837 A CN102133837 A CN 102133837A
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- outward appearance
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Abstract
The invention relates to a magnesium alloy appearance processing method. The method comprises the following steps of: making a forming workpiece; carrying out formation treatment to the formed workpiece; finishing the appearance surface of the formed workpiece; processing three-dimensional patterns so as to obtain patterns with special meanings; and carrying out luster-retention treatment on the magnesium workpiece for glossiness. Through the method, a magnesium alloy product which has the three-dimensional pattern effect and favorable metal appearance can be obtained with low manufacture process, low energy consumption and low production cost in mass production.
Description
[technical field]
The invention relates to a kind of magnesium alloy outward appearance processing method, particularly relevant for a kind of magnesium alloy have 3-D effect must with the processing method of metal-like outward appearance.
[background technology]
In recent years, for the environment of preserving our planet, people begin to have the trend of positive use magnesium alloy, and magnesium alloy has easy regeneration in practical metal, the in light weight and good characteristics of thermal diffusivity.
As in electronics and field of household appliances, be the center with the mechanism of mobile computer or mobile phone, there is the plastic material of using always from people to be transferred to the trend of the superior magnesium alloy of recovery property.And the most of practical casting die of the member of magnesium alloy, the semisolid ejection formation gives moulding.This casting be with at a high speed, high pressure injects the magnesium alloy of fusion or semi-molten state in the mould and gives moulding, with size accurate or productivity superior be feature.General appearance is handled relevant magnesium alloy component, and is similar to iron and steel or aluminium alloy situation, with spraying again after the surface treatment.But magnesium alloy belongs to and has the activity and the easy metal of corrosion in the practical metal, carries out surface treatment to form the outward appearance of exquisiteness and even metal sensation extremely important so reach as iron and steel or aluminum alloy surface.
For antirust, generally form rust-preventing film on the surface of metal forming product such as magnesium alloy molded product, simultaneously for attractive in appearance, also spray paint film.Existing processing procedure is long, takes time and effort, and the surface of the work paint film sense that obtains is pure, and product and the plastics part that sprays paint gives client's sensation consistent, can't embody the outward appearance of metal and feel.
In order to obtain the effect of metallic luster, it adopts electro-plating method Chinese patent CN200610119345.4, plate on double-deck coat of metal and the Mg alloy surface and obtain high-luster magnesium alloy, its processing procedure is long, and the cost height is at the particularly large-area magnesium alloy outward appearance of magnesium alloy outward appearance part part, on laptop computer Notebook (NB) outward appearance part, if adopt this processing procedure, yield is low, also has environmental problems such as a large amount of electroplating wastewater processing.
[summary of the invention]
In view of this, the invention provides a kind of magnesium alloy outward appearance processing method, this method can obtain the tool three-dimensional pattern effect and have good metal appearance magnesium closing product, and processing procedure is short, and energy consumption is low, and production cost is low during volume production.
According to purpose of the present invention, a kind of magnesium alloy outward appearance processing method is proposed, comprise that step is as follows:
Produce a shaping workpiece;
Shaping workpiece is changed into processing;
Adopt finish to handle the appearance of shaping workpiece;
Carry out space pattern processing to obtain the figure of specific meanings;
Handle the glossiness of magnesium metal works by protecting light.
Compared to prior art, magnesium alloy outward appearance processing method of the present invention can obtain having the figure of specific meanings and have the 3-D effect metal appearance, and this method processing procedure is short, and energy consumption is low, and production cost is low during volume production.
For purpose of the present invention, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 illustrates the flow chart of steps of magnesium alloy outward appearance processing method of the present invention.
[specific embodiment]
As shown in Figure 1, magnesium alloy outward appearance processing method of the present invention in a preferred embodiment, comprises that step is as follows:
Step 100: produce a shaping workpiece, in present embodiment, the mode that adopts semisolid to penetrate (Thixomolding) comes shaping workpiece (in addition, in other embodiment, also can adopt modes such as die casting to come shaping workpiece), it is to continue to shear and the quick cooled semi-solid magnesium alloy of metering ejaculation with a screw rod that above-mentioned semisolid penetrates, in this process, its mould keeps temperature 240-270 degree, mold temperature 220-240 degree in the moulding, cool time after the material feeding (being that material feeding is to the die sinking time) 5-15s, molding mass pipe temperature 590-610 degree, firing rate 1-3m/s, penetrate and press 80-120kgf/cm
2Above-mentioned ejaculation is finished, can obtain the workpiece of moulding after the cooling, preferably, thin portion's machinery (CNC) processing such as boring, moulding trip of shaping column on the surface of the work are carried out in the die-cut processing that the workpiece of above-mentioned moulding is cut away charging aperture, discharging opening and some burr on the shaping workpiece to the workpiece after the die-cut processing;
Step 200: the workpiece after the above-mentioned processing is changed into processing, the processing concrete steps that change into herein comprise: will wash after the degreasing of magnesium alloy sample surfaces, and then adopt organic acid that it is carried out activation processing, this organic acid is selected from acetic acid, oxalic acid, ethanedioic acid, benzoic acid, adjust with the alkalescence table again after the technical pure washing and show to transfer, promptly change into processing after the technical pure washing once more, described magnesium alloy sample is put into prepared chemical solution (chemical solution composition: calcium dihydrogen phosphate 10～30g/L; Phosphoric acid 2～10ml/L; Metavanadate 0.5～1.5g/L) reacts 45s～120s clock down at 45 ℃, and technical pure washing back is being toasted 20 minutes with its oven dry through 120 ℃ then; Through above-mentioned processing gained rete is light grey, and its impedance is less than 2.0 ohm, and this rete can not have obviously corrosion, corrosion-resistant reaching more than 9 grades by neutral salt spray test in 24 hours;
Step 300: the above-mentioned workpiece that changes into after the processing is carried out finish handle appearance, in present embodiment, utilizing wire drawing machine that workpiece is carried out automatic wire drawing handles, the workpiece wire drawing of on wire drawing machine, polishing, thereby reduced the appearance of magnesium alloy workpiece, the reduction scope of surface of the work is handled the processing procedures such as grinding and polishing, benefit soil and polishing that replaced in the former processing procedure at 0.05mm-0.1mm by this wire drawing, obtains the outward appearance of desirable metal-like and the effect of hair line;
Step 400: the workpiece after finish is handled carries out space pattern processing, preferably, adopt CNC equipment to add the bistrique that has sand paper, grind, obtain the pattern (can adopt laser mode in addition) of 3D 3-D effect, and this pattern can obtain the figure of various demand space patterns and specific meanings according to client's needs, the figure of this specific meanings can be literal, sign, pattern wherein among one or many persons' combination, figure can be at a place, also can be dispersed in many places simultaneously, the color of figure is unrestricted;
Step 500: protect light and handle, purpose is the glossiness of removing the magnesium chips after above-mentioned space pattern is processed and obtaining ideal effect magnesium metal, be preferably: to processed workpiece through cleaning by degreasing and Passivation Treatment, the Passivation Treatment surface needs to keep the magnesium alloy effect, surface of the work can be coated with last layer coating during guarantor's light was handled, make it more corrosion-resistant, anti-neutral salt spray reaches 96h, adopting one face to be coated with gets final product, primary coat before replacing in the technology and face such as are coated with at the multiple tracks processing procedure, coating process be transparent, cloudy surface or band color one of them.
The 3-D effect metal appearance that magnesium alloy outward appearance processing method of the present invention can obtain having the figure of specific meanings and have, and this method processing procedure is short, and energy consumption is low, and production cost is low during volume production.
Claims (8)
1. a magnesium alloy outward appearance processing method is characterized in that, comprises that step is as follows:
(1) produces a shaping workpiece;
(2) shaping workpiece is changed into processing;
(3) adopt finish to handle the appearance of shaping workpiece;
(4) carry out space pattern processing to obtain the figure of specific meanings;
(5) handle the glossiness of magnesium metal works by protecting light.
2. magnesium alloy outward appearance processing method as claimed in claim 1 is characterized in that, above-mentioned steps (1) specifically comprises: preferably, and by the mode moulding magnesium alloy workpiece of semisolid ejaculation.
3. magnesium alloy outward appearance processing method as claimed in claim 1, it is characterized in that, cut into the die-cut processing of charging aperture, discharging opening and some burr on the type workpiece after the above-mentioned steps (1), the workpiece after the die-cut processing is carried out thin portion's machinery (CNC) processing such as boring, moulding trip of shaping column on the surface of the work.
4. magnesium alloy outward appearance processing method as claimed in claim 1, it is characterized in that, above-mentioned steps (2) specifically comprises: will wash after the degreasing of magnesium alloy sample surfaces, and then adopt organic acid that it is carried out activation processing, this organic acid is selected from acetic acid, oxalic acid, ethanedioic acid, benzoic acid, adjust with the alkalescence table again after the technical pure washing and show to transfer, promptly change into processing after the technical pure washing once more, described magnesium alloy sample is put into prepared chemical solution (chemical solution composition: calcium dihydrogen phosphate 10～30g/L; Phosphoric acid 2～10ml/L; Metavanadate 0.5～1.5g/L) reacted 45s ~ 120s minute down at 45 ℃, and technical pure washing back is being toasted 20 minutes with its oven dry through 120 ℃ then; Through above-mentioned processing gained rete is light grey, and its impedance is less than 3.0 ohm, and this rete can not have obviously corrosion by neutral salt spray test in 24 hours.
5. magnesium alloy outward appearance processing method as claimed in claim 1, it is characterized in that, finish in the above-mentioned steps (3) is handled and is specifically comprised: utilize wire drawing machine that workpiece is carried out automatic or manual wire drawing grinding process, make the appearance of workpiece reduce 0.05mm-0.1mm, remove the mould release and the oxide layer of surface of the work simultaneously, also can obtain the effect of the outward appearance of desired metallic texture.
6. magnesium alloy outward appearance processing method as claimed in claim 1 is characterized in that, the space pattern in the above-mentioned steps (4) adds body of tool and comprises: utilize CNC equipment to add the bistrique that has sand paper, grind or utilize the mode of laser engraving.
7. magnesium alloy outward appearance processing method as claimed in claim 1 is characterized in that, the figure of the specific meanings in the above-mentioned steps (4) be literal, sign, pattern wherein among one or many persons' combination, figure can also can be dispersed in many places simultaneously at a place.
8. magnesium alloy outward appearance processing method as claimed in claim 1, it is characterized in that, above-mentioned steps (5) is protected light and is handled and specifically comprise: to processed workpiece through cleaning by degreasing and Passivation Treatment, the Passivation Treatment surface needs to keep the magnesium alloy effect, and surface of the work can be coated with last layer coating during guarantor's light was handled, and made it more corrosion-resistant, anti-neutral salt spray reaches 96h, adopt one face to be coated with and get final product, primary coat before replacing in the technology and face such as are coated with at the multiple tracks processing procedure, coating process be transparent, cloudy surface or band color one of them.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010300698 CN102133837B (en) | 2010-01-26 | 2010-01-26 | Magnesium alloy appearance processing method |
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| CN 201010300698 CN102133837B (en) | 2010-01-26 | 2010-01-26 | Magnesium alloy appearance processing method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121005A (en) * | 2011-11-21 | 2013-05-29 | 汉达精密电子(昆山)有限公司 | Method for manufacturing magnesium alloy colorless transparent film and product with the same |
| CN103204010A (en) * | 2012-04-27 | 2013-07-17 | 刘长春 | Trademark printing method |
| CN105772672A (en) * | 2016-04-27 | 2016-07-20 | 东莞市锐准精密金属有限公司 | Magnesium alloy tableware moulding and surface ceramic treatment method and production thereof |
| CN106854760A (en) * | 2016-12-20 | 2017-06-16 | 深圳市新合富力科技有限公司 | Superconduct film agent, preparation method and its method to Mg alloy surface treatment |
| CN109290736A (en) * | 2017-07-24 | 2019-02-01 | 嘉瑞科技（惠州）有限公司 | A kind of magnesium alloy workpiece processing method with primary colors bloom texture |
| TWI678248B (en) * | 2019-01-04 | 2019-12-01 | 宏碁股份有限公司 | Decorated moding article and manufacturing method thereof |
| CN111673585A (en) * | 2020-04-30 | 2020-09-18 | 浙江阿克希龙舜华铝塑业有限公司 | Gradual drawing method and polishing device |
| CN112846676A (en) * | 2020-12-29 | 2021-05-28 | 天门天晟新型材料科技有限公司 | Guardrail bar decorating part processing technology |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408508A (en) * | 2001-09-20 | 2003-04-09 | 徐政荣 | Method for treating magnesium alloy surface using wet sand blasting machine |
| CN100376334C (en) * | 2004-02-25 | 2008-03-26 | 闳晖实业股份有限公司 | Method for manufacturing metallic products and production |
| CN1785693A (en) * | 2004-12-10 | 2006-06-14 | 闳晖实业股份有限公司 | Surface treatment method |
| CN101191207A (en) * | 2006-11-23 | 2008-06-04 | 汉达精密电子(昆山)有限公司 | Magnesium alloy surface calcium series phosphorization solution and formation processing technique thereof |
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2010
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121005A (en) * | 2011-11-21 | 2013-05-29 | 汉达精密电子(昆山)有限公司 | Method for manufacturing magnesium alloy colorless transparent film and product with the same |
| CN103121005B (en) * | 2011-11-21 | 2016-01-27 | 汉达精密电子(昆山)有限公司 | Preparation method of magnesium alloy water white transparency epithelium and products thereof |
| CN103204010A (en) * | 2012-04-27 | 2013-07-17 | 刘长春 | Trademark printing method |
| CN105772672A (en) * | 2016-04-27 | 2016-07-20 | 东莞市锐准精密金属有限公司 | Magnesium alloy tableware moulding and surface ceramic treatment method and production thereof |
| CN105772672B (en) * | 2016-04-27 | 2018-07-24 | 东莞市锐准精密金属有限公司 | The molding of magnesium alloy tableware and surface ceramic deposition processing method and its product |
| CN106854760A (en) * | 2016-12-20 | 2017-06-16 | 深圳市新合富力科技有限公司 | Superconduct film agent, preparation method and its method to Mg alloy surface treatment |
| CN109290736A (en) * | 2017-07-24 | 2019-02-01 | 嘉瑞科技（惠州）有限公司 | A kind of magnesium alloy workpiece processing method with primary colors bloom texture |
| TWI678248B (en) * | 2019-01-04 | 2019-12-01 | 宏碁股份有限公司 | Decorated moding article and manufacturing method thereof |
| CN111673585A (en) * | 2020-04-30 | 2020-09-18 | 浙江阿克希龙舜华铝塑业有限公司 | Gradual drawing method and polishing device |
| CN112846676A (en) * | 2020-12-29 | 2021-05-28 | 天门天晟新型材料科技有限公司 | Guardrail bar decorating part processing technology |
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| CN102133837B (en) | 2013-01-09 |
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