CN115094498A - Surface coloring process for stainless steel dental instrument - Google Patents
Surface coloring process for stainless steel dental instrument Download PDFInfo
- Publication number
- CN115094498A CN115094498A CN202210920478.0A CN202210920478A CN115094498A CN 115094498 A CN115094498 A CN 115094498A CN 202210920478 A CN202210920478 A CN 202210920478A CN 115094498 A CN115094498 A CN 115094498A
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- Prior art keywords
- oxidation
- stainless steel
- dental instrument
- cathode
- anode
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 34
- 239000010935 stainless steel Substances 0.000 title claims abstract description 33
- 238000004040 coloring Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000003647 oxidation Effects 0.000 claims abstract description 65
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 65
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000001590 oxidative effect Effects 0.000 claims abstract description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 11
- 229940099596 manganese sulfate Drugs 0.000 claims description 9
- 235000007079 manganese sulphate Nutrition 0.000 claims description 9
- 239000011702 manganese sulphate Substances 0.000 claims description 9
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 9
- 239000008213 purified water Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 6
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- 238000004381 surface treatment Methods 0.000 description 5
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000002048 anodisation reaction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004053 dental implant Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 206010022437 insomnia Diseases 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention provides a stainless steel dental instrument surface coloring process, which belongs to the field of processing treatment processes of oral medical instruments and comprises an oxidation tank, wherein oxidation liquid is arranged in the oxidation tank, an anode copper pipe is arranged in the middle of the oxidation tank, the lower end of the anode copper pipe is used for hanging a dental instrument to be treated, the dental instrument is immersed in the oxidation liquid in the oxidation tank, and the upper end of the anode copper pipe is electrically connected with an anode input power supply through an anode power line; cathode copper pipes are arranged at two ends of the oxidation pond, lead plates are arranged at the lower ends of the cathode copper pipes and are immersed in the oxidation liquid, and each cathode copper pipe is electrically connected with a cathode input power supply through a cathode power line; the pole input power supply and the cathode input power supply are both arranged on the control center; the current passes through the oxidizing liquid under the voltage of the cathode copper tube and the anode copper tube, and a layer of oxide film is formed on the surface of the dental appliance. The invention improves the surface coating quality of the dental instrument and prolongs the service life.
Description
Technical Field
The invention belongs to the field of processing treatment processes of oral medical instruments, relates to medical instruments for dental implants, and particularly relates to a surface coloring process of a stainless steel dental instrument.
Background
The products manufactured by machining in the dental industry can be finally used for clinical use only through various surface treatment modes, the metal surface coloring process is one technology, the traditional Chinese medicine grade titanium coloring application in the medical industry is wide, the surface coloring process is mature, and the stainless steel surface coloring technology is not broken through at present because the coloring processes related to different stainless steels are different.
At present, the surgical instrument is mainly made of stainless steel, the corrosion resistance, oxidation resistance and mechanical property of the stainless steel are better than those of common steel, and the oxidation resistance, corrosion resistance and wear resistance of the surface of the stainless steel can be further improved after the stainless steel is colored (oxidized), so that the service life of the instrument can be prolonged. The good coloring quality can generate compact and uniform films, and the oxide films which are firmly combined with the matrix, meet the requirements on color and thickness and have the best corrosion resistance, wear resistance, weather resistance and other good performances are obtained. Poor coloring quality can cause that the surface oxidation resistance, corrosion resistance and wear resistance can not achieve good effects, the film layer is grey and loose, the outer layer of the film hole has large aperture, and the hole sealing is difficult.
The stainless steel material surface anodic oxidation coloring technology is not broken through yet in insomnia, most manufacturers at present adopt TC4 titanium alloy materials to manufacture products to achieve the surface coloring anodic oxidation effect, TC4 titanium alloy materials achieve the surface coloring anodic oxidation effect through the proportion of current positive and negative electrodes and related chemical acid liquid, and the technology has become a popular surface treatment process in the market. For the medical industry, the TC4 titanium alloy material has more consumption, the stainless steel material is indispensable, the coloring of the TC4 titanium alloy material is very easy to realize, the stainless steel material product cannot be realized, and certain difficulty is caused for the innovation of the product.
Disclosure of Invention
The invention aims to solve the problems, fully considers the processing technology, and adjusts the size and the shape structure of an inverted recess when designing a bridge frame, so that the bridge frame meets the state effect of machining and processing, and the manufacturing precision is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a surface coloring process for a stainless steel dental instrument is suitable for austenitic stainless steel materials, and adopts an oxidation tank, wherein oxidation liquid is arranged in the oxidation tank,
an anode copper pipe is arranged in the middle of the oxidation tank, the lower end of the anode copper pipe is used for hanging a dental instrument to be treated, the dental instrument is immersed in the oxidation liquid in the oxidation tank, and the upper end of the anode copper pipe is electrically connected with an anode input power supply through an anode power line;
cathode copper pipes are arranged at two ends of the oxidation pond, lead plates are arranged at the lower ends of the cathode copper pipes and are immersed in the oxidation liquid, and each cathode copper pipe is electrically connected with a cathode input power supply through a cathode power line;
the pole input power supply and the cathode input power supply are both arranged on the control center;
the current passes through the oxidizing liquid under the voltage of the cathode copper tube and the anode copper tube, and a layer of oxide film is formed on the surface of the dental appliance.
Furthermore, the control center is a PLC control center, and a voltage adjusting button, a current adjusting button, a data display area and a current and voltage input button are further arranged on the control center.
Further, the adjusting range of the current adjusting button is 0-30A, and the adjusting range of the voltage adjusting button is as follows: 0-200V.
Furthermore, in the oxidation process, the temperature is 55 degrees, the current is 6A, the voltage is 88V, and the oxidation time is 3-25 min.
Furthermore, the oxidation pond is made into an integrated groove-shaped structure by PP material.
Further, the oxidizing solution comprises the following raw materials in percentage by weight: 10-35% of sulfuric acid, 10-30% of chromic anhydride, 0.1% of manganese sulfate and the balance of purified water.
Further, the raw materials of the oxidizing solution comprise, by weight: 20-30% of sulfuric acid, 15-25% of chromic anhydride, 0.1% of manganese sulfate and the balance of purified water.
Further, the distance between the dental instrument and the lead plate is 8-15 cm.
Compared with the prior art, the invention has the following advantages and positive effects.
1. The invention sets a specific oxidation structure, matches with a specific oxidation liquid, and integrates and forms an integral surface treatment process scheme by the core parameters of voltage, temperature, oxidation time and the like according to the material of stainless steel, thereby realizing the breakthrough of the surface coloring anodic oxidation technology of stainless steel products, ensuring the surface treatment of stainless steel dental instruments, widening the application of the material in the dental instruments and being more beneficial to the innovation and improvement of the structure;
2. according to the coloring process, stainless steel is processed by adopting a chemical method or an electrochemical method, a layer of oxidation film is formed on the surface, the appearance quality of a product is improved, the service life is prolonged, a direct current power supply is used for equipment, anodic oxidation direct current equipment is used, the current is 0-30A, the voltage is 0-200V, an oxidation tank body is designed and made of PP materials, the tank body is laid by an anode power supply and a cathode power supply, the range of the stainless steel needing coloring comprises gray, light blue, dark blue, yellow, orange, purple, green, dark green and red, and the anodic oxidation color on the surface of the stainless steel is expected to achieve a good coating effect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view showing the structure of the apparatus used in the surface coloring process of the stainless steel dental instrument according to the present invention.
Reference numerals are as follows:
1. the anode inputs a power supply; 2. a cathode input power supply; 3. a voltage adjustment button; 4. a current adjustment button; 5. a voltage current input button; 6. a data display area; 7. an anode power supply line; 8. a cathode copper tube; 9. an anode copper tube; 10. a lead plate; 11. a cathode power supply line; 12. oxidizing liquid; 13. and (4) an oxidation pond.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
As shown in figure 1, the invention relates to a surface coloring process of a stainless steel dental instrument, which is suitable for austenitic stainless steel materials, adopts an oxidation tank 13, oxidation liquid 12 is arranged in the oxidation tank 13,
an anode copper tube 9 is arranged in the middle of the oxidation tank 13, the lower end of the anode copper tube 9 is used for hanging a dental instrument to be treated, the dental instrument is immersed in the oxidation liquid 12 in the oxidation tank 13, and the upper end of the anode copper tube 9 is electrically connected with the anode input power supply 1 through an anode power line 7;
The current passes through the oxidizing liquid 12 under the voltage of the cathode copper tube 8 and the anode copper tube 9 to form a layer of oxide film on the surface of the dental instrument, the range of the stainless steel needing coloring has gray, light blue, dark blue, yellow, orange, purple, green, dark green and red, the surface anodization color of the stainless steel is expected to achieve the coating effect, the surface appearance effects of the planting instrument and the basic instrument can be improved, the service life is further prolonged, and the breakthrough of the surface coloring anodization technology of the stainless steel product is realized.
Preferably, the control center is a PLC control center, and the control center is further provided with a voltage adjusting button 3, a current adjusting button 4, a data display area 6 and current and voltage input buttons, so that setting and adjustment of multiple parameters are facilitated, processing requirements of products of different specifications are met, and the application range is expanded.
Preferably, the adjustment range of the current adjusting button 4 is 0-30A, and the adjustment range of the voltage adjusting button 3 is: 0-200V, more preferably, the temperature is 55 degrees, the current is 6A, the voltage is 88V, and the oxidation time is 3-25min in the oxidation process, and the dental instrument surface treatment effect is best within the parameter range, which is detailed in the following examples.
Preferably, the oxidation basin 13 is made of PP in a one-piece trough-shaped structure, which in this embodiment is generally smaller for dental instruments, the size of the oxidation basin 13 being 200 x 180 x 200 mm.
Preferably, the oxidizing solution 12 comprises the following raw materials in percentage by weight: 10-35% of sulfuric acid, 10-30% of chromic anhydride, 0.1% of manganese sulfate and the balance of purified water, wherein more preferably, the raw materials of the oxidation liquid 12 in percentage by weight are as follows: 20-30% of sulfuric acid, 15-25% of chromic anhydride, 0.1% of manganese sulfate and the balance of purified water, wherein the optimum range is shown in the examples, and the oxidation effect is the best.
Example (b):
stainless steel oxidation parameters: temperature 55 deg.C, current 6A, voltage 88V, and oxidation time 3-25 min.
When the use amount of the sulfuric acid is set as 10 percent, the chromic anhydride is 10 percent, the manganese sulfate is 0.1 percent, and the rest is purified water, the oxidation color is light, the film thickness is thin, and the comprehensive performance is deviated; when the amount of the sulfuric acid is 35 percent, the chromic anhydride is 30 percent, the manganese sulfate is 0.1 percent, and the balance is purified water, the oxidation color graying film layer is relatively loose and cannot meet the expectation. When the usage amount of the sulfuric acid is 20-30%, the chromic anhydride is 15-25%, the manganese sulfate is 0.1%, and the balance is purified water; the processed product has uniform color, bright color and optimal effect, and meets the expectation.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The surface coloring process for the stainless steel dental instrument is suitable for austenitic stainless steel materials and is characterized in that: an oxidation pond is adopted, oxidation liquid is arranged in the oxidation pond,
an anode copper pipe is arranged in the middle of the oxidation tank, the lower end of the anode copper pipe is used for hanging a dental instrument to be treated, the dental instrument is immersed in the oxidation liquid in the oxidation tank, and the upper end of the anode copper pipe is electrically connected with an anode input power supply through an anode power line;
cathode copper pipes are arranged at two ends of the oxidation pond, lead plates are arranged at the lower ends of the cathode copper pipes and are immersed in the oxidation liquid, and each cathode copper pipe is electrically connected with a cathode input power supply through a cathode power line;
the pole input power supply and the cathode input power supply are both arranged on the control center;
the current passes through the oxidizing liquid under the voltage of the cathode copper tube and the anode copper tube to form a layer of oxide film on the surface of the dental appliance.
2. The stainless steel dental instrument surface coloring process of claim 1, wherein: the control center is a PLC control center, and a voltage adjusting button, a current adjusting button, a data display area and a current and voltage input button are further arranged on the control center.
3. The stainless steel dental instrument surface coloring process of claim 2, wherein: the adjusting range of the current adjusting button is 0-30A, and the adjusting range of the voltage adjusting button is as follows: 0-200V.
4. The stainless steel dental instrument surface coloring process of claim 3, wherein: in the oxidation process, the temperature is 55 degrees, the current is 6A, the voltage is 88V, and the oxidation time is 3-25 min.
5. The stainless steel dental instrument surface coloring process of claim 1, wherein: the oxidation pond is made into an integrated groove-shaped structure by PP materials.
6. The stainless steel dental instrument surface coloring process of claim 1, wherein: the raw materials of the oxidizing solution comprise the following components in percentage by weight: 10-35% of sulfuric acid, 10-30% of chromic anhydride, 0.1% of manganese sulfate and the balance of purified water.
7. The stainless steel dental instrument surface coloring process of claim 5, wherein: the raw materials of the oxidizing liquid comprise the following components in percentage by weight: 20-30% of sulfuric acid, 15-25% of chromic anhydride, 0.1% of manganese sulfate and the balance of purified water.
8. The stainless steel dental instrument surface coloring process of claim 5, wherein: the distance between the dental appliance and the lead plate is 8-15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210920478.0A CN115094498A (en) | 2022-08-02 | 2022-08-02 | Surface coloring process for stainless steel dental instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210920478.0A CN115094498A (en) | 2022-08-02 | 2022-08-02 | Surface coloring process for stainless steel dental instrument |
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| Publication Number | Publication Date |
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| CN115094498A true CN115094498A (en) | 2022-09-23 |
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| CN202210920478.0A Pending CN115094498A (en) | 2022-08-02 | 2022-08-02 | Surface coloring process for stainless steel dental instrument |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191249A (en) * | 2006-12-01 | 2008-06-04 | 梁振辉 | Method for preparing colored stainless steels and obtained products thereof |
| CN102061500A (en) * | 2011-01-20 | 2011-05-18 | 中南大学 | Coloring liquid and coloring method for chemically coloring stainless steel surface into black |
| CN103114320A (en) * | 2013-02-27 | 2013-05-22 | 湖南中骏科技有限公司 | Colouring solution used for stainless steel electrochemical colouring and stainless steel electrochemical colouring method |
| CN103173762A (en) * | 2013-03-27 | 2013-06-26 | 黄进花 | Preparation method for color stainless steel board or stainless steel product |
| CN105112983A (en) * | 2015-08-20 | 2015-12-02 | 宏旺投资集团有限公司 | Processing method for surface coloring of stainless steel plates |
-
2022
- 2022-08-02 CN CN202210920478.0A patent/CN115094498A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191249A (en) * | 2006-12-01 | 2008-06-04 | 梁振辉 | Method for preparing colored stainless steels and obtained products thereof |
| CN102061500A (en) * | 2011-01-20 | 2011-05-18 | 中南大学 | Coloring liquid and coloring method for chemically coloring stainless steel surface into black |
| CN103114320A (en) * | 2013-02-27 | 2013-05-22 | 湖南中骏科技有限公司 | Colouring solution used for stainless steel electrochemical colouring and stainless steel electrochemical colouring method |
| CN103173762A (en) * | 2013-03-27 | 2013-06-26 | 黄进花 | Preparation method for color stainless steel board or stainless steel product |
| CN105112983A (en) * | 2015-08-20 | 2015-12-02 | 宏旺投资集团有限公司 | Processing method for surface coloring of stainless steel plates |
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