CN105386108A - Method for machining metal surface - Google Patents
Method for machining metal surface Download PDFInfo
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- CN105386108A CN105386108A CN201510849302.0A CN201510849302A CN105386108A CN 105386108 A CN105386108 A CN 105386108A CN 201510849302 A CN201510849302 A CN 201510849302A CN 105386108 A CN105386108 A CN 105386108A
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- oxide film
- metallic
- anode oxide
- metal material
- working method
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Abstract
The invention relates to a method for machining a metal surface. The method includes the steps that anodizing is carried out on the metal material surface, so that an anode oxide film wrapping the metal body surface is obtained; the anode oxide film adsorbs lubricating fluid; a metal material is placed between an unwinding device and a winding device, a rolling knife is used for rolling the anode oxide film wrapping the metal body surface, and pretightening force of the rolling knife is controlled to be 3.4 times of the Brinell hardness of the metal body surface; and the rotating speed difference between the unwinding device and the winding device is adjusted until the hardness of the metal material surface is detected to be qualified. According to the method for machining the metal surface, the porous anode oxide film is formed on the metal material surface firstly, and then the anode oxide film adsorbs the lubricating fluid. In the rolling process, acting force is exerted on the anode oxide film, the scratching probability of the metal material surface is greatly reduced, and the metal material surface quality is improved.
Description
Technical field
The invention belongs to metal material processing field, be specifically related to a kind of metallic surface working method.
Background technology
The processing general pressure casting method that uses in existing metallic surface is processed metallic surface, but the method has following several large shortcoming: (1) die casting requires that starting material have fabulous mobility, so just limits the material model of use; (2) die casting surface irregularity, appearance poor; (3) there are bubble, sand holes in die casting surface.
Summary of the invention
The object of the present invention is to provide a kind of metallic surface working method, it is low to be intended to the product hardness after solving the working method process of existing metallic surface, the technological deficiency that precision machined surface is easily destroyed.
For this reason, the technical scheme of a kind of metallic surface of the present invention working method employing is as follows:
A kind of metallic surface working method, comprising:
Utilize metal material surface to carry out anodic oxidation treatment, obtain the anode oxide film being wrapped in described metal body surface;
To described anode oxide film adsorpting lubrication liquid;
Be positioned between unwinding device and wrap-up by described metallic substance, utilize rolling depression cutter to carry out rolling process to the anode oxide film being wrapped in described metal body surface, the preliminary tension controlling described rolling depression cutter is 3.4 times of the Brinell hardness on the surface of described metallic object;
Regulate the speed discrepancy between described unwinding device and wrap-up, thus change the tension force of described metallic substance, until the Hardness Surveillance of described metal material surface is qualified.
Preferably, described anode oxidation method comprises: at the temperature of 20-25 degree Celsius, and in the electrolytic solution with voltage 20-25V, current density is 1-2A/dm
2process 5-10min;
Wherein, described electrolytic solution is selected from one or more mixtures in sulfuric acid, phosphoric acid, chromic acid and careless aqueous acid.
Preferably, described electrolytic solution is sulfuric acid and phosphorus aqueous acid, and described sulfuric acid concentration is 12-15wt%, and phosphoric acid concentration is 3-8wt%.
Preferably, utilize described rolling depression cutter to carry out thick roll extrusion to the metallic substance of adsorpting lubrication liquid, after then solution treatment being carried out to the metallic substance after thick roll extrusion, carry out smart roll extrusion, then actual effect process is carried out, wherein, the temperature of described solution treatment is 525-535 DEG C, and the time is 2-3h; The temperature of described ageing treatment is 170-180 DEG C, and the time is 7-8h.
Preferably, also comprised before described anodic oxidation treatment and metal base is annealed, then polishing; The method of described annealing is: metallic substance is incubated 1-2h at 405-425 DEG C.
Preferably, described metallic substance is one in aluminium, copper, steel, magnesium and zinc or alloy.
Compared with prior art, metallic surface of the present invention working method by first forming the anode oxide film of porous at metal material surface, and in this anode oxide film adsorpting lubrication liquid.On the one hand, in rolling process, reactive force is applied on anode oxide film, greatly reduces probability metal material surface being produced to scratch; In addition, in rolling process, metallic substance produce metallographic structure distortion, make metallographic structure densification, and on anode oxidation membrane remaining stress under compression, improve wear resistance and the hardness of metallic substance; And the lubricating fluid adsorbed in anode oxide film is extruded and oozes out, secondary lubrication is produced to metallic substance and rolling depression cutter, greatly reduces the damage to metallic substance, improve the surface quality of metallic substance.
In addition, the working modulus of the metallic surface working method that the embodiment of the present invention provides can stability contorting about 1% ~ 7%, control accuracy is high, and product performance are stablized, and are applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is the schema of a kind of metallic surface of the present invention working method one embodiment.
Embodiment
Below in conjunction with accompanying drawing, some embodiments of the present invention are described further.
See the schema that Fig. 1, Fig. 1 are a kind of metallic surface of the present invention working method one embodiments.Embodiment shown in Fig. 1 comprises step S101-S104.
In step S101, utilize metal material surface to carry out anodic oxidation treatment, obtain the anode oxide film being wrapped in described metal body surface.In some preferred implementations, also comprised before described anodic oxidation treatment and metal base is annealed, then polishing; The method of described annealing is: metallic substance is incubated 1-2h at 405-425 DEG C.
Wherein, state anode oxidation method and comprise: at the temperature of 20-25 degree Celsius, in the electrolytic solution with voltage 20-25V, current density is 1-2A/dm
2process 5-10min; Described electrolytic solution is selected from one or more mixtures in sulfuric acid, phosphoric acid, chromic acid and careless aqueous acid.Described electrolytic solution is sulfuric acid and phosphorus aqueous acid, and described sulfuric acid concentration is 12-15wt%, and phosphoric acid concentration is 3-8wt%.Under preferable case, by controlling anodizing time, the thickness making the anode oxide film formed at metal material surface is 5-15um, is more conducive to the absorption of lubricating fluid and oozes out.
In step s 102, to described anode oxide film adsorpting lubrication liquid.According to the present invention, after anodic oxidation treatment, need to make the upper lubricating fluid of absorption in the anode oxide film obtained.Wherein, in anode oxide film, the not requirement of the method for adsorpting lubrication liquid, can adopt the method for various routine, and the metallic substance such as surface with anode oxide film is immersed in lubricating fluid or at anode oxide film surface-coated lubricating fluid.
Specifically, described lubricating fluid is forging and stamping oil or saponification liquor, and described forging and stamping liquid comprises mineral oil, the vegetables oil of 2-5wt%, the extreme-pressure additive of 2.5-13wt%, the or anti-foaming additive of 0.01wt% of 85-95wt%; Described saponification liquor is the aqueous solution of stearic acid and tertiary sodium phosphate, and wherein, described stearic concentration is 50-60g/L, and the concentration of described tertiary sodium phosphate is 60-80g/L, and the weight ratio of described stearic acid and tertiary sodium phosphate is 1:1-1.5.Preferably, utilize described rolling depression cutter to carry out thick roll extrusion to the metallic substance of adsorpting lubrication liquid, after then solution treatment being carried out to the metallic substance after thick roll extrusion, carry out smart roll extrusion, then actual effect process is carried out, wherein, the temperature of described solution treatment is 525-535 DEG C, and the time is 2-3h; The temperature of described ageing treatment is 170-180 DEG C, and the time is 7-8h.
In step s 103, described metallic substance is positioned between unwinding device and wrap-up, utilize rolling depression cutter to carry out rolling process to the anode oxide film being wrapped in described metal body surface, the preliminary tension controlling described rolling depression cutter is 3.4 times of the Brinell hardness on the surface of described metallic object.
In step S104, regulate the speed discrepancy between described unwinding device and wrap-up, thus change the tension force of described metallic substance, until the Hardness Surveillance of described metal material surface is qualified.
In the above-described embodiment, described metallic substance is one in aluminium, copper, steel, magnesium and zinc or alloy.
Compared with prior art, metallic surface of the present invention working method by first forming the anode oxide film of porous at metal material surface, and in this anode oxide film adsorpting lubrication liquid.On the one hand, in rolling process, reactive force is applied on anode oxide film, greatly reduces probability metal material surface being produced to scratch; In addition, in rolling process, metallic substance produce metallographic structure distortion, make metallographic structure densification, and on anode oxidation membrane remaining stress under compression, improve wear resistance and the hardness of metallic substance; And the lubricating fluid adsorbed in anode oxide film is extruded and oozes out, secondary lubrication is produced to metallic substance and rolling depression cutter, greatly reduces the damage to metallic substance, improve the surface quality of metallic substance.
In addition, the working modulus of the metallic surface working method that the embodiment of the present invention provides can stability contorting about 1% ~ 7%, control accuracy is high, and product performance are stablized, and are applicable to promoting the use of.
Should be appreciated that, the present invention is not limited to above-mentioned embodiment, every the spirit and scope of the present invention are not departed to various change of the present invention or modification, if these are changed and modification belongs within claim of the present invention and equivalent technologies scope, then the present invention also means that comprising these changes and modification.
Claims (6)
1. a metallic surface working method, is characterized in that, comprising:
Utilize metal material surface to carry out anodic oxidation treatment, obtain the anode oxide film being wrapped in described metal body surface;
To described anode oxide film adsorpting lubrication liquid;
Be positioned between unwinding device and wrap-up by described metallic substance, utilize rolling depression cutter to carry out rolling process to the anode oxide film being wrapped in described metal body surface, the preliminary tension controlling described rolling depression cutter is 3.4 times of the Brinell hardness on the surface of described metallic object;
Regulate the speed discrepancy between described unwinding device and wrap-up, thus change the tension force of described metallic substance, until the Hardness Surveillance of described metal material surface is qualified.
2. a kind of metallic surface as claimed in claim 1 working method, it is characterized in that, described anode oxidation method comprises: at the temperature of 20-25 degree Celsius, and in the electrolytic solution with voltage 20-25V, current density is 1-2A/dm
2process 5-10min;
Wherein, described electrolytic solution is selected from one or more mixtures in sulfuric acid, phosphoric acid, chromic acid and careless aqueous acid.
3. a kind of metallic surface as claimed in claim 2 working method, is characterized in that, described electrolytic solution is sulfuric acid and phosphorus aqueous acid, and described sulfuric acid concentration is 12-15wt%, and phosphoric acid concentration is 3-8wt%.
4. a kind of metallic surface as claimed in claim 3 working method, it is characterized in that, described rolling depression cutter is utilized to carry out thick roll extrusion to the metallic substance of adsorpting lubrication liquid, then smart roll extrusion is carried out after solution treatment being carried out to the metallic substance after thick roll extrusion, then actual effect process is carried out, wherein, the temperature of described solution treatment is 525-535 DEG C, and the time is 2-3h; The temperature of described ageing treatment is 170-180 DEG C, and the time is 7-8h.
5. a kind of metallic surface as claimed in claim 4 working method, is characterized in that, also comprises and annealing to metal base, then polishing before described anodic oxidation treatment; The method of described annealing is: metallic substance is incubated 1-2h at 405-425 DEG C.
6. a kind of metallic surface working method as described in any one of claim 1-5, is characterized in that, described metallic substance is one in aluminium, copper, steel, magnesium and zinc or alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849302.0A CN105386108A (en) | 2015-11-26 | 2015-11-26 | Method for machining metal surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849302.0A CN105386108A (en) | 2015-11-26 | 2015-11-26 | Method for machining metal surface |
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| Publication Number | Publication Date |
|---|---|
| CN105386108A true CN105386108A (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510849302.0A Pending CN105386108A (en) | 2015-11-26 | 2015-11-26 | Method for machining metal surface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435687A (en) * | 2016-09-22 | 2017-02-22 | 宇龙计算机通信科技(深圳)有限公司 | Electronic device shell, processing method thereof and electronic device |
| CN107964677A (en) * | 2017-11-28 | 2018-04-27 | 宁波市鄞州龙腾工具厂 | A kind of high rigidity tow arm |
| CN114316693A (en) * | 2021-12-30 | 2022-04-12 | 王永勤 | Preparation method of super-hydrophobic coating |
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| JP2004018901A (en) * | 2002-06-13 | 2004-01-22 | Niigata Prefecture | Surface treatment method for magnesium material product |
| CN101487079A (en) * | 2009-02-19 | 2009-07-22 | 浙江富春江水电设备股份有限公司 | Technique for processing metallic surface |
| CN102688966A (en) * | 2011-03-24 | 2012-09-26 | 比亚迪股份有限公司 | Cold forging method and metal housing processing method |
| CN103320593A (en) * | 2013-06-03 | 2013-09-25 | 苏州白云信息科技有限公司 | Metal tape hardness processing control method and metal tape |
-
2015
- 2015-11-26 CN CN201510849302.0A patent/CN105386108A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004018901A (en) * | 2002-06-13 | 2004-01-22 | Niigata Prefecture | Surface treatment method for magnesium material product |
| CN101487079A (en) * | 2009-02-19 | 2009-07-22 | 浙江富春江水电设备股份有限公司 | Technique for processing metallic surface |
| CN102688966A (en) * | 2011-03-24 | 2012-09-26 | 比亚迪股份有限公司 | Cold forging method and metal housing processing method |
| CN103320593A (en) * | 2013-06-03 | 2013-09-25 | 苏州白云信息科技有限公司 | Metal tape hardness processing control method and metal tape |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435687A (en) * | 2016-09-22 | 2017-02-22 | 宇龙计算机通信科技(深圳)有限公司 | Electronic device shell, processing method thereof and electronic device |
| CN107964677A (en) * | 2017-11-28 | 2018-04-27 | 宁波市鄞州龙腾工具厂 | A kind of high rigidity tow arm |
| CN114316693A (en) * | 2021-12-30 | 2022-04-12 | 王永勤 | Preparation method of super-hydrophobic coating |
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Application publication date: 20160309 |