CN105220161A - Stainless process of surface treatment - Google Patents
Stainless process of surface treatment Download PDFInfo
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- CN105220161A CN105220161A CN201510802446.0A CN201510802446A CN105220161A CN 105220161 A CN105220161 A CN 105220161A CN 201510802446 A CN201510802446 A CN 201510802446A CN 105220161 A CN105220161 A CN 105220161A
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Abstract
The present invention relates to field of metal surface treatment technology, specifically disclose stainless process of surface treatment, polishing is carried out in the surface of Stainless Steel Products by S1.; S2. sandblasting is carried out to the surface of Stainless Steel Products, make the surfaceness of Stainless Steel Products be Ra0.5 ~ Ra1.5; S3. Stainless Steel Products is cleaned; S4. Stainless Steel Products is delivered in magnetron sputtering equipment and carry out depositing treatment, make the surface deposition of Stainless Steel Products be coated with aluminium lamination; S5. take out Stainless Steel Products and carry out anodic oxidation treatment; S6. the Stainless Steel Products after anodic oxidation is carried out dyeing process; S7. surface treatment completes.Present treatment technique, in pre-process process, adopts magnetron sputtering to belong to physical vapor deposition, has the advantage of environmental protection, and processing cost is low, in addition, this treatment process can need to carry out coloured differently according to different colours by follow-up dyeing, and coloring effect is good.
Description
Technical field
The present invention relates to field of metal surface treatment technology, particularly relate to a kind of stainless process of surface treatment.
Background technology
Because stainless steel has higher intensity, hardness and wear resistance, and solidity to corrosion is good, now, daily living article and electronic product etc. is commonly used to as spare part, particularly at mobile phone, the utilization of the electronic device industry such as panel computer is quite extensive, but because existing technique is when doing outward appearance process to product, often adopt anodic process, can carry out to make its surface dyeing and improving ornamental, but stainless steel is because of self material factors, it directly can not carry out anod surface treatment, its reason is: stainless steel is passivation very easily in atmosphere, generate a kind of passive film of densification, this passive film has good solidity to corrosion, if directly carry out anodized surface process, coating is often caused to turn black, peeling, the phenomenon such as come off.Certainly, also first chemical treatment can be carried out to stainless steel, but its complex process, and need the chemicals of at substantial, the surface effect after anode is also poor, therefore, there is larger use limitation in existing stainless steel product, greatly limit its application in electronic product industry.
For above present situation, contriver, through test repeatedly and demonstration, proposes stainless steel surface anode processing technique, thus realizes the surface anode treatment process of stainless steel product.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of stainless process of surface treatment is provided, utilize present treatment technique to carry out surface treatment to stainless steel, there is the advantage that technique is simple, processing cost is low and coloring effect is good.
For achieving the above object, the stainless process of surface treatment of one of the present invention, comprises following processing step:
S1. polishing is carried out on the surface of Stainless Steel Products;
S2. sandblasting is carried out to the surface of Stainless Steel Products, make the surfaceness of Stainless Steel Products be Ra0.5 ~ Ra1.5;
S3. Stainless Steel Products is cleaned;
S4. Stainless Steel Products is delivered in magnetron sputtering equipment and carry out depositing treatment, make the surface deposition of Stainless Steel Products be coated with aluminium lamination;
S5. take out Stainless Steel Products and carry out anodic oxidation treatment;
S6. the Stainless Steel Products after anodic oxidation is carried out dyeing process;
S7. surface treatment completes.
Further, in the step of S4, first carry out heating magnetron sputtering equipment to 230 ~ 280 degree, warm-up time is 50 ~ 80 minutes; Then Stainless Steel Products is delivered in the deposition chamber of magnetron sputtering equipment; Further deposition chamber is vacuumized, make the vacuum tightness in deposition chamber be 15 ~ 20 millitorrs; Be filled with argon gas again, magnetron sputtering is carried out in energising, and make the surface deposition of Stainless Steel Products be coated with aluminium lamination, described aluminum layer thickness is 30 ~ 60um.
As preferably, in the step of S4, first carry out heating magnetron sputtering equipment to 250 degree, warm-up time is 65 minutes; Then Stainless Steel Products is delivered in the deposition chamber of magnetron sputtering equipment; Further deposition chamber is vacuumized, make the vacuum tightness in deposition chamber be 17 millitorrs; Be filled with argon gas again, magnetron sputtering is carried out in energising, and make the surface deposition of Stainless Steel Products be coated with aluminium lamination, described aluminum layer thickness is 45um.
Further, in the step of S2, the surfaceness of Stainless Steel Products is Ra0.5 ~ Ra1.5.
Preferably, in the step of S2, the surfaceness of Stainless Steel Products is Ra0.8.
Further, in the step of S2, described sandblasting adopts 30 order ~ 60 object ceramic sand, zircon sand or powder emery.
Further, in the step of S3, first use clean-out system to carry out first time cleaning to stainless steel, then with water, second time cleaning is carried out to stainless steel.
As preferably, carry out first time clean time, described clean-out system is aqueous cleaning agent or white spirit.
Further, after S5 step completes and before carrying out S6 step, Stainless Steel Products is placed in cold water and carries out third time cleaning.
Further, the hot water after described dyeing process completes, Stainless Steel Products being placed in 60 ~ 80 degree carries out the 4th cleaning, and then take out Stainless Steel Products and dry, described bake out temperature is 60 ~ 80 degree, and drying time is 15 ~ 25 minutes.
Beneficial effect of the present invention: compared with prior art, the stainless process of surface treatment of one of the present invention, Stainless Steel Products is first carried out magnetron sputtering process by present treatment technique, the surface of Stainless Steel Products is made to form certain thickness aluminium lamination, and then Stainless Steel Products is carried out anodic oxidation treatment, the surface of aluminium lamination is made to form oxide film, finally Stainless Steel Products is carried out dyeing process, dyeing can enter in the oxide film of aluminium lamination preferably, thus reach stainless surface color processing intent, present treatment technique is in pre-process process, magnetron sputtering is adopted to belong to physical vapor deposition, there is the advantage of environmental protection, and processing cost is low, in addition, this treatment process can need to carry out coloured differently according to different colours by follow-up dyeing, coloring effect is good.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail.
See Fig. 1.
Embodiment one.
A kind of stainless process of surface treatment, comprises following processing step:
S1. polishing is carried out on the surface of Stainless Steel Products;
S2. sandblasting is carried out to the surface of Stainless Steel Products, make the surfaceness of Stainless Steel Products be Ra0.5;
S3. Stainless Steel Products is cleaned;
S4. in this step, first carry out heating magnetron sputtering equipment to 230 degree, warm-up time is 50 minutes; Then Stainless Steel Products is delivered in the deposition chamber of magnetron sputtering equipment; Further deposition chamber is vacuumized, make the vacuum tightness in deposition chamber be 15 millitorrs; Be filled with argon gas again, magnetron sputtering is carried out in energising, and make the surface deposition of Stainless Steel Products be coated with aluminium lamination, described aluminum layer thickness is 30um;
S5. take out Stainless Steel Products and carry out anodic oxidation treatment;
S6. the Stainless Steel Products after anodic oxidation is carried out dyeing process;
S7. surface treatment completes.
The handling principle of this technique is: in S1 step, utilizes cloth turbine to carry out the cleaning of foreign material to the surface of Stainless Steel Products.
Then, in S2 step, utilize described sandblasting to adopt 30 object ceramic sand, zircon sand or the surfaceness of powder emery to Stainless Steel Products to control, preferably surfaceness is conducive to the deposition of aluminum particulate in magnetron sputtering process and improves the efficiency of magnetron sputtering.
Then, in S3 step, clean Stainless Steel Products, specifically, first use clean-out system to carry out first time cleaning to Stainless Steel Products, described clean-out system is aqueous cleaning agent or white spirit, thus washes greasy dirt or the impurity of surface of stainless steel product; With water, second time cleaning is carried out to Stainless Steel Products again.
Further, in the step of S4, magnetron sputtering equipment utilizes the surface of anomalous glow discharge principle to Stainless Steel Products to form an aluminium lamination, and it realizes environmental protection, free of contamination advantage.
Then, in the step of S5, utilize anodic oxidation treatment, make the aluminium lamination surface of Stainless Steel Products form oxide film, thus be conducive to the dyeing process of next step.
Further, after S5 step completes, Stainless Steel Products is placed in cold water and carries out third time cleaning; By Stainless Steel Products after anodic oxidation treatment, immediately put into cold water, can prevent temperature from raising, make oxide film automatic hole sealing, be conducive to improving coloring effect.
The hot water after dyeing has processed, Stainless Steel Products being placed in 60 degree carries out the 4th cleaning, and then take out Stainless Steel Products and dry, described bake out temperature is 80 degree, and drying time is 15 minutes.Under the effect of this hot water, not only can clean Stainless Steel Products, and hot water can also prevent because Stainless Steel Products crosses cold and crack, simultaneously, described bake out temperature is roughly the same with hot water cleaning temperature, its object is to avoid the too high oxide film that makes of Stainless Steel Products Yin Wendu to crack; Improve coloring effect.
Embodiment two.
A kind of stainless process of surface treatment, comprises following processing step:
S1. polishing is carried out on the surface of Stainless Steel Products;
S2. sandblasting is carried out to the surface of Stainless Steel Products, make the surfaceness of Stainless Steel Products be Ra0.8;
S3. Stainless Steel Products is cleaned;
S4. in this step, first carry out heating magnetron sputtering equipment to 250 degree, warm-up time is 65 minutes; Then Stainless Steel Products is delivered in the deposition chamber of magnetron sputtering equipment; Further deposition chamber is vacuumized, make the vacuum tightness in deposition chamber be 17 millitorrs; Be filled with argon gas again, magnetron sputtering is carried out in energising, and make the surface deposition of Stainless Steel Products be coated with aluminium lamination, described aluminum layer thickness is 45um;
S5. take out Stainless Steel Products and carry out anodic oxidation treatment;
S6. the Stainless Steel Products after anodic oxidation is carried out dyeing process;
S7. surface treatment completes.
The handling principle of this technique is: in S1 step, utilizes cloth turbine to carry out the cleaning of foreign material to the surface of Stainless Steel Products.
Then, in S2 step, utilize described sandblasting to adopt 40 object ceramic sand, zircon sand or the surfaceness of powder emery to Stainless Steel Products to control, preferably surfaceness is conducive to the deposition of aluminum particulate in magnetron sputtering process and improves the efficiency of magnetron sputtering.
Then, in S3 step, clean Stainless Steel Products, specifically, first use clean-out system to carry out first time cleaning to Stainless Steel Products, described clean-out system is aqueous cleaning agent or white spirit, thus washes greasy dirt or the impurity of surface of stainless steel product; With water, second time cleaning is carried out to Stainless Steel Products again.
Further, in the step of S4, magnetron sputtering equipment utilizes the surface of anomalous glow discharge principle to Stainless Steel Products to form an aluminium lamination, and it realizes environmental protection, free of contamination advantage.
Then, in the step of S5, utilize anodic oxidation treatment, make the aluminium lamination surface of Stainless Steel Products form oxide film, thus be conducive to the dyeing process of next step.
Further, after S5 step completes, Stainless Steel Products is placed in cold water and carries out third time cleaning; By Stainless Steel Products after anodic oxidation treatment, immediately put into cold water, can prevent temperature from raising, make oxide film automatic hole sealing, be conducive to improving coloring effect.
The hot water after dyeing has processed, Stainless Steel Products being placed in 68 degree carries out the 4th cleaning, and then take out Stainless Steel Products and dry, described bake out temperature is 75 degree, and drying time is 20 minutes.Under the effect of this hot water, not only can clean Stainless Steel Products, and hot water can also prevent because Stainless Steel Products crosses cold and crack, simultaneously, described bake out temperature is roughly the same with hot water cleaning temperature, its object is to avoid the too high oxide film that makes of Stainless Steel Products Yin Wendu to crack; Improve coloring effect.
Embodiment three.
A kind of stainless process of surface treatment, comprises following processing step:
S1. polishing is carried out on the surface of Stainless Steel Products;
S2. sandblasting is carried out to the surface of Stainless Steel Products, make the surfaceness of Stainless Steel Products be Ra1.3;
S3. Stainless Steel Products is cleaned;
S4. in this step, first carry out heating magnetron sputtering equipment to 260 degree, warm-up time is 70 minutes; Then Stainless Steel Products is delivered in the deposition chamber of magnetron sputtering equipment; Further deposition chamber is vacuumized, make the vacuum tightness in deposition chamber be 19 millitorrs; Be filled with argon gas again, magnetron sputtering is carried out in energising, and make the surface deposition of Stainless Steel Products be coated with aluminium lamination, described aluminum layer thickness is 50um;
S5. take out Stainless Steel Products and carry out anodic oxidation treatment;
S6. the Stainless Steel Products after anodic oxidation is carried out dyeing process;
S7. surface treatment completes.
The handling principle of this technique is: in S1 step, utilizes cloth turbine to carry out the cleaning of foreign material to the surface of Stainless Steel Products.
Then, in S2 step, utilize described sandblasting to adopt 50 object ceramic sand, zircon sand or the surfaceness of powder emery to Stainless Steel Products to control, preferably surfaceness is conducive to the deposition of aluminum particulate in magnetron sputtering process and improves the efficiency of magnetron sputtering.
Then, in S3 step, clean Stainless Steel Products, specifically, first use clean-out system to carry out first time cleaning to Stainless Steel Products, described clean-out system is aqueous cleaning agent or white spirit, thus washes greasy dirt or the impurity of surface of stainless steel product; With water, second time cleaning is carried out to Stainless Steel Products again.
Further, in the step of S4, magnetron sputtering equipment utilizes the surface of anomalous glow discharge principle to Stainless Steel Products to form an aluminium lamination, and it realizes environmental protection, free of contamination advantage.
Then, in the step of S5, utilize anodic oxidation treatment, make the aluminium lamination surface of Stainless Steel Products form oxide film, thus be conducive to the dyeing process of next step.
Further, after S5 step completes, Stainless Steel Products is placed in cold water and carries out third time cleaning; By Stainless Steel Products after anodic oxidation treatment, immediately put into cold water, can prevent temperature from raising, make oxide film automatic hole sealing, be conducive to improving coloring effect.
The hot water after dyeing has processed, Stainless Steel Products being placed in 75 degree carries out the 4th cleaning, and then take out Stainless Steel Products and dry, described bake out temperature is 68 degree, and drying time is 20 minutes.Under the effect of this hot water, not only can clean Stainless Steel Products, and hot water can also prevent because Stainless Steel Products crosses cold and crack, simultaneously, described bake out temperature is roughly the same with hot water cleaning temperature, its object is to avoid the too high oxide film that makes of Stainless Steel Products Yin Wendu to crack; Improve coloring effect.
Embodiment four.
A kind of stainless process of surface treatment, comprises following processing step:
S1. polishing is carried out on the surface of Stainless Steel Products;
S2. sandblasting is carried out to the surface of Stainless Steel Products, make the surfaceness of Stainless Steel Products be Ra1.5;
S3. Stainless Steel Products is cleaned;
S4. in this step, first carry out heating magnetron sputtering equipment to 280 degree, warm-up time is 80 minutes; Then Stainless Steel Products is delivered in the deposition chamber of magnetron sputtering equipment; Further deposition chamber is vacuumized, make the vacuum tightness in deposition chamber be 20 millitorrs; Be filled with argon gas again, magnetron sputtering is carried out in energising, and make the surface deposition of Stainless Steel Products be coated with aluminium lamination, described aluminum layer thickness is 60um;
S5. take out Stainless Steel Products and carry out anodic oxidation treatment;
S6. the Stainless Steel Products after anodic oxidation is carried out dyeing process;
S7. surface treatment completes.
The handling principle of this technique is: in S1 step, utilizes cloth turbine to carry out the cleaning of foreign material to the surface of Stainless Steel Products.
Then, in S2 step, utilize described sandblasting to adopt 60 object ceramic sand, zircon sand or the surfaceness of powder emery to Stainless Steel Products to control, preferably surfaceness is conducive to the deposition of aluminum particulate in magnetron sputtering process and improves the efficiency of magnetron sputtering.
Then, in S3 step, clean Stainless Steel Products, specifically, first use clean-out system to carry out first time cleaning to Stainless Steel Products, described clean-out system is aqueous cleaning agent or white spirit, thus washes greasy dirt or the impurity of surface of stainless steel product; With water, second time cleaning is carried out to Stainless Steel Products again.
Further, in the step of S4, magnetron sputtering equipment utilizes the surface of anomalous glow discharge principle to Stainless Steel Products to form an aluminium lamination, and it realizes environmental protection, free of contamination advantage.
Then, in the step of S5, utilize anodic oxidation treatment, make the aluminium lamination surface of Stainless Steel Products form oxide film, thus be conducive to the dyeing process of next step.
Further, after S5 step completes, Stainless Steel Products is placed in cold water and carries out third time cleaning; By Stainless Steel Products after anodic oxidation treatment, immediately put into cold water, can prevent temperature from raising, make oxide film automatic hole sealing, be conducive to improving coloring effect.
The hot water after dyeing has processed, Stainless Steel Products being placed in 80 degree carries out the 4th cleaning, and then take out Stainless Steel Products and dry, described bake out temperature is 60 degree, and drying time is 25 minutes.Under the effect of this hot water, not only can clean Stainless Steel Products, and hot water can also prevent because Stainless Steel Products crosses cold and crack, simultaneously, described bake out temperature is roughly the same with hot water cleaning temperature, its object is to avoid the too high oxide film that makes of Stainless Steel Products Yin Wendu to crack; Improve coloring effect.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (10)
1. stainless process of surface treatment, is characterized in that: comprise following processing step:
S1. polishing is carried out on the surface of Stainless Steel Products;
S2. sandblasting is carried out to the surface of Stainless Steel Products;
S3. Stainless Steel Products is cleaned;
S4. Stainless Steel Products is delivered in magnetron sputtering equipment and carry out depositing treatment, make the surface deposition of Stainless Steel Products be coated with aluminium lamination;
S5. take out Stainless Steel Products and carry out anodic oxidation treatment;
S6. the Stainless Steel Products after anodic oxidation is carried out dyeing process;
S7. surface treatment completes.
2. stainless process of surface treatment according to claim 1, is characterized in that: in the step of S4, first carries out heating magnetron sputtering equipment to 230 ~ 280 degree, and warm-up time is 50 ~ 80 minutes; Then Stainless Steel Products is delivered in the deposition chamber of magnetron sputtering equipment; Further deposition chamber is vacuumized, make the vacuum tightness in deposition chamber be 15 ~ 20 millitorrs; Be filled with argon gas again, magnetron sputtering is carried out in energising, and make the surface deposition of Stainless Steel Products be coated with aluminium lamination, described aluminum layer thickness is 30 ~ 60um.
3. stainless process of surface treatment according to claim 2, is characterized in that: in the step of S4, first carries out heating magnetron sputtering equipment to 250 degree, and warm-up time is 65 minutes; Then Stainless Steel Products is delivered in the deposition chamber of magnetron sputtering equipment; Further deposition chamber is vacuumized, make the vacuum tightness in deposition chamber be 17 millitorrs; Be filled with argon gas again, magnetron sputtering is carried out in energising, and make the surface deposition of Stainless Steel Products be coated with aluminium lamination, described aluminum layer thickness is 45um.
4. stainless process of surface treatment according to claim 1, is characterized in that: in the step of S2, and the surfaceness of Stainless Steel Products is Ra0.5 ~ Ra1.5.
5. stainless process of surface treatment according to claim 1, is characterized in that: in the step of S2, and the surfaceness of Stainless Steel Products is Ra0.8.
6. stainless process of surface treatment according to claim 1, is characterized in that: in the step of S2, and described sandblasting adopts 30 order ~ 60 object ceramic sand, zircon sand or powder emery.
7. stainless process of surface treatment according to claim 1, is characterized in that: in the step of S3, first uses clean-out system to carry out first time cleaning to stainless steel, then carries out second time cleaning with water to stainless steel.
8. stainless process of surface treatment according to claim 7, is characterized in that: carry out first time clean time, described clean-out system is aqueous cleaning agent or white spirit.
9. stainless process of surface treatment according to claim 1, is characterized in that: after S5 step completes and before carrying out S6 step, Stainless Steel Products is placed in cold water and carries out third time cleaning.
10. the stainless process of surface treatment according to any one of claim 1 ~ 9, it is characterized in that: the hot water after described dyeing process completes, Stainless Steel Products being placed in 60 ~ 80 degree carries out the 4th cleaning, then take out Stainless Steel Products to dry, described bake out temperature is 60 ~ 80 degree, and drying time is 15 ~ 25 minutes.
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| CN111676501A (en) * | 2020-07-22 | 2020-09-18 | 中山市三美高新材料技术有限公司 | Anodic oxidation coloring process with characteristic spectrum reflection enhancement |
| CN111676501B (en) * | 2020-07-22 | 2021-05-18 | 中山市三美高新材料技术有限公司 | Anodic oxidation coloring process with characteristic spectrum reflection enhancement |
| CN115066132A (en) * | 2022-06-20 | 2022-09-16 | 联想(北京)有限公司 | Metal shell and manufacturing method thereof |
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