CN102555659A - Method for dual surface-treatment of metal materials - Google Patents

Method for dual surface-treatment of metal materials Download PDF

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Publication number
CN102555659A
CN102555659A CN2011103190432A CN201110319043A CN102555659A CN 102555659 A CN102555659 A CN 102555659A CN 2011103190432 A CN2011103190432 A CN 2011103190432A CN 201110319043 A CN201110319043 A CN 201110319043A CN 102555659 A CN102555659 A CN 102555659A
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China
Prior art keywords
metal material
glossy
processing method
duplex
mask portion
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CN2011103190432A
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CN102555659B (en
Inventor
朴淳瓘
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CONNECT Co Ltd S
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CONNECT Co Ltd S
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00Etching metallic material by chemical means
    • C23F1/02Local etching
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00Electroforming
    • C25D1/10Moulds; Masks; Masterforms
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00Electrolytic etching or polishing
    • C25F3/02Etching
    • C25F3/14Etching locally

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

A surface treating method of a metallic material is provided. All kinds of pattern glossy lines are formed on the surface of metallic materials used widely in different kinds of fields. A part except the masking part is performed a abrasive blasting is performed through chemical or physical methods after a masking process is performed on the processed surface of the metallic material by one of plating, electro-deposition and dry film methods in the state that the surface of metallic materials is performed multiform surface treatment in more detail. Consequently, the part except the masking part forms a glossy surface. The invention is provided with the following effect: the method which is different from surfacing approaches before can change the masking approach and the rubbing approach to form the glossy surface. The glossy lines and the glossy surface are formed on the critical and coarse filament surface as existing mask. The other glossy lines and the other glossy surface are formed on the glossy surface by the same approaches without else machining. The method broadens field of application of tarnally-limited prior metal surfacing technology and has a mass production of products with more varying surface state.

Description

The duplex surface processing method of metal material
Technical field
The present invention relates on the surface of the widely used metal material in various fields; Form the technology of the light line of various patterns; In more detail, relate to the technology that is described below: under the state of the surface of metal material having been carried out the Surface Machining processing, through the part beyond the mask being carried out the attrition process of physics or chemistry; Make the various decorative patterns of Surface Machining portion show as the gloss shape; Thereby on the basis of various surperficial texture, increase noble light line, widen the field of metal surface process technology, make various products.
Background technology
In general; The hardware of using with the purposes of external shell as household electrical appliances and communication equipment; Utilizing stainless steel, aluminium or magnesium to wait makes; Aforesaid hardware is firm and attractive in appearance, thus building materials with inside and outside decoration, outside dress with panel, outward adorn to adorn outside front panel with housing, stereo set, the video camera and adorn panel, electronic unit and automobile outside panel, the mobile phone with widely-used in the assembly etc.
For the aforesaid hardware that uses with various uses; According to characteristics of product or apperance and design considerations; Application is technological to the various processed on surface, thereby shows more beautiful and remarkable aesthetical perception, and generally; As to the surface treatment method of aforesaid hardware, have based on the decorative pattern method of formationing of Laser Processing with based on the corrosion treatment method of Wet-type etching and utilized the decorative pattern formation method of printing etc.
At this moment; In aforesaid surface treatment method based on Laser Processing; Though because laser is directly used on the surface of hardware; Therefore exist the surface can depression or the degree of depth problem of deepening, but can realize making the processing of the form of sur-face peeling, therefore can only form the unglazed line of corrosion form.
In addition; Based on etched corrosion treatment method also to have the degree of depth and the mode that the surface directly processes realized; Therefore have following tendency: the released part due to these surface treating part is piled up or is accompanied various impurity or pollutant, causes influencing outward appearance, but also because chemical stripping is implemented in the metal surface; Thereby same with above-mentioned Laser Processing, can only generate the unglazed line that corrodes shape.
In addition, under the situation of printing, use the mode that ink is connected airtight on the surface; Owing to connect airtight power the embodiment of decorative pattern is had a lot of restrictions, be applied to metal and when having shown the light face, can produce and metal material between heterogeneous sense; Under the situation of existing mask, though can be formed with the light face, owing to the instability of mask material causes end bad; Can only enough be limited to specific brushing and process and carry out, so its application is extremely limited.
Summary of the invention
The present invention proposes in order to address the above problem; Its purpose is; A kind of duplex surface processing method of the metal material that is described below is provided: the surface of metal material is being implemented under the surface-treated state of various ways, utilizing coating or plating, dry film etc. that its surface treating part is carried out the mask operation, then; Through chemistry or physical method; To carrying out attrition process except the part of aforementioned mask part, make the part beyond the aforementioned mask be formed with the light face thus, therefore the kinds of surface handling part is demonstrated simultaneously the light line of various ways.
To achieve these goals, the present invention provides a kind of duplex surface processing method of metal material, and this method is carried out following steps successively:
The Surface Machining step that face carries out of exposing to metal material; The masks that the finished surface of metal material is carried out; The grinding steps that the finished surface except that mask portion in the finished surface of metal material is carried out; And the mask of removing aforementioned mask portion is removed step.
The present invention has the effect that is described below: different with the step of Surface Machining in the past; Can change masks and grinding steps and be formed with the light face; Can on as the coarse fine rule surface of the limit that has mask now, form the light line and the light face is arranged; Need not other processing and can another light line of formation arranged on the light face and the light face is arranged through identical step; Therefore widen the range of application of extremely limited existing metal surface process technology, can produce the product of more diversified surface state in large quantities in batches.
Description of drawings
Fig. 1 is the sequence of steps figure of surface treatment method of the present invention.
Fig. 2 is the shape machining state figure of surface treatment method of the present invention.
Fig. 3 is the Surface Machining state diagram of surface treatment method of the present invention.
Fig. 4 is the surperficial mask state diagram of surface treatment method of the present invention.
Fig. 5 is the laser lift-off block diagram of surface treatment method of the present invention.
Fig. 6 is the metal material of the laser lift-off state of surface treatment method of the present invention.
Fig. 7 is surface treatment method of the present invention, the attrition process state diagram that is directed against stripping portion.
Fig. 8 is that the mask of surface treatment method of the present invention is peeled off state diagram.
Fig. 9 is the state diagram of the metal material of being accomplished of surface treatment method of the present invention.
Figure 10 is the example in kind of surface treatment method of the present invention.
Figure 11 is another example in kind of surface treatment method of the present invention.
Symbol description
10: metal material 11: finished surface
12: mask portion 13: glassy surface
The specific embodiment
Term that in this specification and claims, uses or word; Not limited interpretation be common or dictionary in meaning; And should be from the inventor for the invention of self is described with the method for the best; Principle based on the notion that suitably defines term is considered, is interpreted as the meaning and the notion of technological thought according to the invention.
Below, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is the sequence of steps figure of surface treatment method of the present invention.
At first; Surface treatment method of the present invention is can also be applied on the product of having accomplished plastic working and surface of base specification and the technology that forms; It is characterized in that; Can also be applied on the metal material that has been suitable for all surface processing specification of in the past using, can make other surperficial specification.
Based on this, preferred embodiment is described.
At first, to carrying out the shape procedure of processing with the metal material that various purposes are used, it refers to for example use rolling equipment, with the metal material cutting of multiple material and bend to the apperance with expectation as shown in Figure 2.At this moment,, can carry out operation as stated in advance for aforesaid shape procedure of processing, also can prior to after the mask portion strip step stated carry out operation, perhaps, also can after finishing grinding steps, carry out operation as long as solve the problem of blemish.In addition, above-mentioned shape procedure of processing refers to comprise rolling plastic working and extrusion molding and die cast, and the article shaped through general multiple processing method manufacturing all is contained in this.
Just, in the preferred embodiments of the present invention and accompanying drawing,, represented to process the metal material 10 under the state of shape for the ease of understanding.
Therefore, carry out surperficial procedure of processing for the exposing surface of the metal material 10 under the state of having accomplished shape processing as stated.Surface Machining step for this moment; Can utilize the processing of brushing fine rule, band fine rule processing and existing various method of surface finish such as attrition process or sand milling processing; Except above-mentioned matt surface processing, also can be contained in this based on the light processing that has of polishing.
Thus, as shown in Figure 3, for metal material 10, under the state of the Surface Machining step of having carried out being used to obtaining finished surface 11, above-mentioned finished surface 11 is carried out masks.The masks of this moment is realized by the whole bag of tricks as coating or plating usually, through the masks of aforesaid the whole bag of tricks, to the finished surface formation diaphragm of metal material.Here; Mask portion through aforesaid masks generates is as shown in Figure 4, and the thickness of its mask portion 12 is preferably in the scope of 3 μ m~45 μ m, when the thin thickness of mask portion 12; After in the grinding steps carried out; Can take place that mask portion 12 peels off or the phenomenon of demoulding, this is because when thickness is blocked up, the phenomenon that the laser lift-off step that is used to form pattern becomes difficulty or takes place that peripheral mask portion comes off etc.
Particularly; If form mask portion 12 to the finished surface 11 of metal material 10 through aforesaid method; Then the mask portion 12 to the finished surface 11 that surrounds metal material 10 carries out peeling off of pattern forms; As shown in Figure 5, aforementioned mask portion 12 through the laser lift-off step should with the decorative pattern and the identical shape of pattern that will form remove.
Promptly; Use the laser marking machine of general type, but when a large amount of equipment benchmark were considered, the primary condition of power 60~80, speed 300~500 was best; In aforesaid condition enactment, important a bit is prevents the damage to the finished surface 11 of metal material 10 that caused by laser marking machine.This be because; For example in stripping process based on the mask portion of laser marking machine; Finished surface 11 to the metal material 10 that comprises mask portion 12 produces under the situation of damage; Can produce to the corrosionization of the finished surface 11 of the metal material 10 that in above-mentioned Surface Machining step, generates or generate the mark line that causes by laser etc., can not obtain desired thing as a result.
In addition; In aforesaid masks; Forming under the situation of mask portion 12 according to the method as coating or plating; Though aforesaid laser lift-off step is necessary,, do not need the laser lift-off step through the finished surface 11 of metal material 10 directly being formed when having the mask portion 12 of pattern based on the etching of dry film.
Because this is through direct printed patterns on dry film; This is removed through etching the mode of the film of the part except pattern forms; Therefore on the finished surface 11 of metal material 10; Directly formation has the mask portion 12 of various patterns, thereby does not need the extra strip step for mask portion 12.
Through aforesaid laser lift-off step or utilize the pattern of dry film to form, as shown in Figure 6, the finished surface 11 of metal material 10 can intactly expose.At this moment; For the floral designs between the stripping area of using laser marking machine; Importantly spacing (line shadow spacing) is no more than 0.35mm between line, and this is because when spacing surpasses 0.35mm, can hinder removing of mask portion; In grinding steps, produce the slag that the residue by mask portion causes, the mask portion of not removing directly causes the surperficial bad of metal material 10.
Then, through aforesaid process, when on the finished surface 11 of metal material 10, form figuratum mask portion 12, carry out grinding steps for finished surface 11 except aforementioned mask portion 12.The grinding steps of this moment can be divided into the Ginding process of chemistry and the Ginding process of physics.
Promptly, the Ginding process of chemistry is meant the processing that is called electrolytic polishing; In general be the processing that phosphoric acid and sulfuric acid liquid that the electric current of 12V~15V flows through 55 ℃~75 ℃ are carried out; If carry out the grinding of aforesaid chemistry, then as shown in Figure 7, only on finished surface 11 except the metal material that exposes 10 of the mask portion 12 of coating or plating etc.; Form the fine grinding of chemistry, and respective face can be formed with the glassy surface 13 of light.
In addition, physical grinding is referred to as polishing usually, grinds material and rotation at a high speed through encasing with cloth, the finished surface that is exposed is carried out fine grinding, and make the corresponding mask that exposes that the light face arranged.When carrying out aforesaid chemical grinding or physical grinding; Even under the finished surface of metal material 10 11 the state for the glossy surface that in the Surface Machining step, obtains; Also the difference owing to the cutting degree on small surface forms different glossy surface each other; Therefore visually there is distinctiveness, can thinks to form the glassy surface 13 that has with before finished surface 11 diverse aesthetic feelings.
When finishing aforesaid grinding steps; As shown in Figure 8; As long as carry out the step of removing for above-mentioned mask portion 12; Use on metal, use at present general to peel off the clean face that remover also can guarantee not damage metallic surface, therefore remove in the step at above-mentioned mask, bright specifically owing to there not being special place to omit.Just remove the material that mainly uses in the step and be equivalent to remover, nitromethane, carrene, toluene, acetone and their mixture at mask.In addition, the mask portion 12 based on dry film is preferably NaOH.
Then; When aforesaid mask is removed the step end, can directly use this, also can increase the back surface treatment step to metal material 10 as required and use; Under the situation of the outstanding inadequately metal material of the material of easily corrosion or color sensation or texture; When the color sensation of wanting to form expectation or texture, in order to carry out the surface treatment of chromium plating or deposition or coating or anodic oxidation etc., and can make the product of various appropriate state.
Therefore, as shown in Figure 9, can make the product that is described below: on a metal material 10, have the finished surface 11 that obtains through various surface treatments and its finished surface is carried out the glassy surface that light pattern is arranged 13 that dual processing obtains.
Through like Figure 10 and illustration in kind shown in Figure 11; Can clearer and more definite aforesaid metal material; Under the situation of Figure 10, finished surface 11 has been carried out unglazed processing, be concatenated to form the pattern of the glassy surface 13 of light for unglazed finished surface 11; Figure 11 has represented under the state that finished surface 11 has been carried out have light to handle, to be concatenated to form the state of the pattern of the glassy surface that light is arranged 13 with differential glossiness.
Therefore; The duplex surface processing method of metal material of the present invention; With the restriction of material with and the surface state that has of material irrelevant; Can reasonably form the decorative pattern with gloss colorful, attractive in appearance and touch appearance, therefore, can produce and the economic profit that maximizes in a large number having noble and multifarious while.
In aforesaid specification, embodiment that is put down in writing and the structure shown in the accompanying drawing only are a preferred embodiment of the present invention, do not limit all technological thoughts of the present invention, are to be understood that the various equipollents and the variation that replace these into existing.

Claims (8)

1. the duplex surface processing method of a metal material is characterized in that, this method is carried out following steps successively:
The Surface Machining step that face carries out of exposing to metal material;
The masks that the finished surface of metal material is carried out;
The grinding steps that the finished surface except that mask portion of the finished surface of metal material is carried out; And
Remove the mask of aforementioned mask portion and remove step.
2. the duplex surface processing method of metal material according to claim 1 is characterized in that,
Before the Surface Machining step, also carry out the shape procedure of processing earlier.
3. the duplex surface processing method of metal material according to claim 1 is characterized in that,
Before strip step, also carry out the shape procedure of processing earlier.
4. according to the duplex surface processing method of any described metal material in the claim 1 to 3, it is characterized in that,
The Surface Machining step is to realize through a kind of processing of from fine rule processing, attrition process or sand milling processing, selecting.
5. according to the duplex surface processing method of any described metal material in the claim 1 to 3, it is characterized in that,
Masks is to realize through a kind of method of from coating or plating, selecting, when realizing masks through above-mentioned a kind of method of selecting, also carries out the laser lift-off step to mask portion, thus mask portion is formed lift.
6. according to the duplex surface processing method of any described metal material in the claim 1 to 3, it is characterized in that,
Masks is to realize according to the mode that forms pattern through the etching based on dry film.
7. according to the duplex surface processing method of any described metal material in the claim 1 to 3, it is characterized in that,
Grinding steps is through from realizing based on a kind of method of selecting the chemical grinding of electrolytic polishing or the physical grinding based on polishing.
8. according to the duplex surface processing method of any described metal material in the claim 1 to 3, it is characterized in that,
After the end mask is removed step, also carry out the back surface treatment step.
CN201110319043.2A 2010-11-04 2011-10-19 Method for dual surface-treatment of metal materials Active CN102555659B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106827927A (en) * 2016-12-30 2017-06-13 惠州市众业科技有限公司 Metal shell of electronic product decorative pattern processing method
CN112575361A (en) * 2019-09-30 2021-03-30 S-连接株式会社 Double plating method for aluminum alloy
WO2024106128A1 (en) * 2022-11-14 2024-05-23 株式会社ヨコオ Method for producing electroformed spring, and electroformed spring

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KR101183219B1 (en) 2011-08-30 2012-09-14 (주)한국마루이 Electropolishing electrolyte to prevent the penetration of the target protective masking
KR101373677B1 (en) * 2013-07-18 2014-03-14 윤석헌 Method for processing metal material using film and metallic interior and exterior panel products made therefrom
KR102179814B1 (en) * 2013-11-08 2020-11-17 엘지전자 주식회사 Decor panel for home appliances and method for manufacturing the same
KR101551277B1 (en) * 2014-12-16 2015-09-10 곽상준 processing method of marble surface using film
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0133624B1 (en) * 1994-12-20 1999-05-01 권의철 Surface polishing method of accessories
CN1480296A (en) * 2003-08-01 2004-03-10 郑建业 Processing method for high precision grinding metal piece
CN101352818A (en) * 2007-07-23 2009-01-28 江苏海迅实业集团股份有限公司 Method for reducing roughness concentration during surface polishing of metallic workpiece
KR20100060791A (en) * 2008-11-28 2010-06-07 주식회사 에스코넥 Method for manufacturing molded product of metal having injection molded part and molded products produced by the method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05301498A (en) * 1992-04-23 1993-11-16 Izuru Tsunoda Method of engraving uneven surface and engrave made on uneven surface
KR100491363B1 (en) 2003-07-26 2005-05-25 주식회사 그레인 A Method of surface design using a metallic internal structure and there for products

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0133624B1 (en) * 1994-12-20 1999-05-01 권의철 Surface polishing method of accessories
CN1480296A (en) * 2003-08-01 2004-03-10 郑建业 Processing method for high precision grinding metal piece
CN101352818A (en) * 2007-07-23 2009-01-28 江苏海迅实业集团股份有限公司 Method for reducing roughness concentration during surface polishing of metallic workpiece
KR20100060791A (en) * 2008-11-28 2010-06-07 주식회사 에스코넥 Method for manufacturing molded product of metal having injection molded part and molded products produced by the method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106827927A (en) * 2016-12-30 2017-06-13 惠州市众业科技有限公司 Metal shell of electronic product decorative pattern processing method
CN112575361A (en) * 2019-09-30 2021-03-30 S-连接株式会社 Double plating method for aluminum alloy
WO2024106128A1 (en) * 2022-11-14 2024-05-23 株式会社ヨコオ Method for producing electroformed spring, and electroformed spring

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