CN108220914A - Preparation method of D L C coating on inner surface of tire mold - Google Patents
Preparation method of D L C coating on inner surface of tire mold Download PDFInfo
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- CN108220914A CN108220914A CN201711076892.3A CN201711076892A CN108220914A CN 108220914 A CN108220914 A CN 108220914A CN 201711076892 A CN201711076892 A CN 201711076892A CN 108220914 A CN108220914 A CN 108220914A
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- Prior art keywords
- mold
- tire
- dlc
- deposition
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
- C23C16/27—Diamond only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0635—Carbides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
- C23C14/165—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon by cathodic sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
- C23C14/352—Sputtering by application of a magnetic field, e.g. magnetron sputtering using more than one target
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
- C23C16/0281—Deposition of sub-layers, e.g. to promote the adhesion of the main coating of metallic sub-layers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/343—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one DLC or an amorphous carbon based layer, the layer being doped or not
Abstract
The invention relates to a preparation method of a D L C coating on the inner surface of a tire mold, which is characterized by depositing a D L C coating on the tire mold by adopting a plasma enhanced chemical vapor deposition method, comprising the steps of preparing a 45# steel mold test piece substrate according to the processing technology of the tire mold, cleaning and drying the test piece by using a solvent type cleaning medium before coating, depositing Cr and WC on the surface of the substrate by adopting a sputtering deposition method to serve as metal transition layers, and depositing and preparing the D L C coating by adopting the plasma enhanced chemical vapor deposition method.
Description
Technical field
The present invention relates to a kind of preparation methods of tire-mold inner surface DLC coatings, belong to coating material technical field.
Background technology
The problems such as tire-mold will gradually appear viscose, carbon deposit after work a period of time, destroys tire die tread pattern
The integrality of block inner surface so that demoulding is difficult and tire quality is caused to decline.
Tyre industry generally improves this hardly possible using Teflon coatings are coated in pattern blocks of tire mold inner surface at present
Topic, however Teflon coating hardness is low, wears no resistance, and easily fails due to cut, effect of attrition surface smoothness, short life make through
Cost of helping is higher, and easily causes environmental pollution and be detrimental to health.
Invention content
It is an object of the invention to solve above-mentioned technical problem, a kind of preparation of tire-mold inner surface DLC coatings is provided
Method.
To realize the purpose of foregoing invention, the technical solution used in the present invention：
Step 1, the preparation process of 45# steel mold test specimen matrixes：
Processing technology according to tire-mold prepares 45# steel test specimen matrixes, and steel plate is heat-treated, then uses CNC milling machine
Roughing is carried out to surface of steel plate, allowance is set as 0.6mm, then surface is finished using electric spark, then by steel
Plate is processed into size using line cutting technologyTest specimen matrix, polished the matrix after processing, polished（Slightly
Rugosity is）, Nitrizing Treatment finally is carried out to it again.
Step 2,45# steel mold matrix style cleaning steps, in turn includes the following steps：
By mold test specimen solvent type cleansing medium（Successively by acetone, isopropanol, ethyl alcohol）It is first cleaned under ultrasonic wave, every time
20min is cleaned, drying and processing is carried out after cleaning, then carries out sputter clean, scavenging period 25min again, and do drying and processing,
Ensure surface no-sundries.
Step 3, deposition step, successively including metal transfer deposition step and DLC deposition steps：
Metal transfer layer deposition steps：Magnetron sputtering power supply is opened, high-purity is introduced to vacuum film coating chamberGas is tried in mold
Part surface is sequentially depositingTransition zone andTransition zone, deposition power are, sedimentation time is respectively 30min, 60min,
Deposition thickness is、。
DLC deposition steps, in turn include the following steps：
（1）Power supply is opened, high-purity is introduced to vacuum film coating chamberGas；
（2）Keep the vacuum degree of vacuum film coating chamber in technical process, application power supply is bias -700V；
（3）DLC layer depositing temperature is, sedimentation time is, obtaining deposition thickness isDLC
Coating.
Compared with prior art, the beneficial effects are mainly as follows：The tire-mold of DLC coatings is coated, is had
Excellent hydrophobicity, water contact angle reach, be conducive to demoulding and the automatically cleaning of mold, friction coefficient is down to 0.3817, table
Reveal good frictional property, nano hardness is high, and up to 17.6Gpa, elasticity modulus is up to 159GPa, and service life obtains significantly
Promotion, reduce financial cost, which makes the preparation of tire-mold coating on inner surface have more process choices
Space.
Description of the drawings
Fig. 1 is the tire-mold test specimen structure diagram of the coating DLC coatings of invention；
Wherein：1st, tire-mold test specimen matrix；2nd, intermediate metal；3rd, DLC coatings.
Fig. 2 is plasma enhanced chemical vapor deposition principle schematic；
Wherein：4th, magnetron sputtering power supply；5th, rotary-tray；6th, blowing mouth.
Specific embodiment
Elaborate with reference to the drawings and specific embodiments to the present invention, but protection scope of the present invention be not limited to it is following
Embodiment.
A kind of tire-mold inner surface DLC coatings, including 1,45# steel substrates, 2, intermediate metal, 3, DLC coatings；Deng from
Daughter enhances chemical vapor deposition principle schematic, including 4, magnetron sputtering power supply, 5, rotary-tray, 6, blowing mouth.
Step 1, the preparation process of 45# steel mold test specimen matrixes：
Processing technology according to tire-mold prepares 45# steel test specimens matrix 1, and 45# steel steel plates are heat-treated, then use number
It controls milling machine and roughing is carried out to surface of steel plate, allowance is set as 0.6mm, then surface is finished using electric spark,
45# steel steel plates are processed into size using line cutting technology againTest specimen matrix 1, to the test specimen matrix after processing
1 is polished, is polished（Roughness is）, Nitrizing Treatment finally is carried out to it again.
Step 2,1 cleaning step of 45# steel mold test specimens matrix, in turn includes the following steps：
By the solvent type cleansing medium of 45# steel mold test specimens matrix 1（Successively by acetone, isopropanol, ethyl alcohol）First in ultrasonic wave
Lower cleaning cleans 20min, drying and processing is carried out after cleaning every time, then carries out sputter clean again, scavenging period 25min, and
Drying and processing is done, ensures surface no-sundries.
Step 3, deposition step, successively including 3 deposition step of 2 deposition step of metal transfer coating and DLC coatings：
Metal transfer layer deposition steps：Magnetron sputtering power supply 4 is opened, high-purity is introduced to vacuum film coating chamber by blowing mouth 6
Gas is placed in 45# steel mold test specimens matrix 1 on rotary-tray 5, and surface is sequentially depositingTransition zone andTransition zone deposits work(
Rate is, sedimentation time is respectively 30min, 60min, and deposition thickness is、；
3 deposition step of DLC coatings, in turn includes the following steps：
（1）Magnetron sputtering power supply 4 is opened, high-purity is introduced to vacuum film coating chamber by blowing mouth 6Gas；
（2）Mold test specimen is placed on the turntable 5 in vacuum coating room, keeps the vacuum degree of vacuum film coating chamber in technical process, application power supply is bias -700V；
（3）3 depositing temperature of DLC layer is, sedimentation time is, obtaining deposition thickness isPainting
Layer.
The tire-mold inner surface DLC coatings that this method is prepared are with hydrophobicity is excellent, friction coefficient is low, nano hardness
High, the advantages that elasticity modulus is high；And service life is remarkably enhanced, and reduces financial cost.
Claims (6)
1. the present invention relates to a kind of preparation methods of tire-mold inner surface DLC coatings, it is characterised in that：Including 45# steel wheel tires
Mold test specimen matrix（）（1）And it is deposited on described matrix patterned surface and is used to change by prepared by CVD technology
The DLC coatings of kind curability（2）.
2. tire-mold inner surface DLC coatings according to claim 1, it is characterised in that：The DLC coatings（2）And institute
State 45# steel wheel placenta matrix styles（1）Between be additionally provided with intermediate metal to improve the adhesive force between coating and substrate and rub
Wipe performance（3）.
3. tire-mold inner surface DLC coatings according to claim 2, it is characterised in that：The intermediate metal（3）For
Using Cr layers prepared by magnetron sputtering technique and WC layers.
4. tire-mold inner surface DLC coatings according to claim 1, it is characterised in that：The DLC coatings（2）Using
CVD technology be prepared as plasma enhanced chemical vapor deposition method.
5. tire-mold inner surface DLC coatings according to claim 4, it is characterised in that：The thickness of the DLC coatings
For 。
6. tire-mold inner surface DLC coating productions according to claim 1, feature include the following steps：
Step 1, the preparation process of 45# steel mold test specimen matrixes：
Processing technology according to tire-mold prepares 45# steel test specimen matrixes, and steel plate is heat-treated, then uses CNC milling machine
Roughing is carried out to surface of steel plate, allowance is set as 0.6mm, then surface is finished using electric spark, then by steel
Plate is processed into size using line cutting technologyTest specimen matrix, polished the matrix after processing, polished（Slightly
Rugosity is）, Nitrizing Treatment finally is carried out to it again；
Step 2,45# steel mold matrix style cleaning steps, in turn includes the following steps：
By mold test specimen solvent type cleansing medium（Successively by acetone, isopropanol, ethyl alcohol）It is first cleaned under ultrasonic wave, every time
20min is cleaned, drying and processing is carried out after cleaning, then carries out sputter clean, scavenging period 25min again, and do drying and processing,
Ensure surface no-sundries；
Step 3, deposition step, successively including metal transfer deposition step and DLC deposition steps：
Metal transfer layer deposition steps：Magnetron sputtering power supply is opened, high-purity is introduced to vacuum film coating chamberGas, in 45# punching blocks
Tool surface of test piece is sequentially depositingTransition zone andTransition zone, deposition power are, sedimentation time be respectively 30min,
60min, deposition thickness are、；
DLC deposition steps, in turn include the following steps：
（1）Power supply is opened, high-purity is introduced to vacuum film coating chamberGas；
（2）Keep the vacuum degree of vacuum film coating chamber in technical process, application power supply is bias -700V；
（3）DLC layer depositing temperature is, sedimentation time is, obtaining deposition thickness isPainting
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076892.3A CN108220914A (en) | 2017-11-06 | 2017-11-06 | Preparation method of D L C coating on inner surface of tire mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076892.3A CN108220914A (en) | 2017-11-06 | 2017-11-06 | Preparation method of D L C coating on inner surface of tire mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108220914A true CN108220914A (en) | 2018-06-29 |
Family
ID=62655090
Family Applications (1)
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| CN201711076892.3A Pending CN108220914A (en) | 2017-11-06 | 2017-11-06 | Preparation method of D L C coating on inner surface of tire mold |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890858A (en) * | 2018-08-02 | 2018-11-27 | 遵义市旭辉新型节能建材有限公司 | A kind of novel aerated bricks molding moulding box |
| CN110172664A (en) * | 2019-05-16 | 2019-08-27 | 东莞市金材五金有限公司 | A kind of metal high rigidity super abrasive coating technique |
| CN110846661A (en) * | 2019-12-04 | 2020-02-28 | 广东省新材料研究所 | Surface coating of beryllium copper bottle cap die and preparation method thereof |
| CN111593290A (en) * | 2020-07-03 | 2020-08-28 | 山东昌丰轮胎有限公司 | Anti-sticking coating of tire mold |
| CN111763901A (en) * | 2020-07-03 | 2020-10-13 | 山东昌丰轮胎有限公司 | Tire mold with anti-sticking coating |
| CN112593213A (en) * | 2020-12-11 | 2021-04-02 | 岳阳市青方环保科技有限公司 | Wear-resistant and corrosion-resistant process for surface of guide cylinder of automatic inclinator |
| CN114749356A (en) * | 2022-04-14 | 2022-07-15 | 重庆红江机械有限责任公司 | Preparation method of steel piece surface anti-drop DLC coating |
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| CN106835040A (en) * | 2017-01-04 | 2017-06-13 | 西安交通大学 | A kind of preparation method of the diamond-like coating of gold doping category |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890858A (en) * | 2018-08-02 | 2018-11-27 | 遵义市旭辉新型节能建材有限公司 | A kind of novel aerated bricks molding moulding box |
| CN110172664A (en) * | 2019-05-16 | 2019-08-27 | 东莞市金材五金有限公司 | A kind of metal high rigidity super abrasive coating technique |
| CN110846661A (en) * | 2019-12-04 | 2020-02-28 | 广东省新材料研究所 | Surface coating of beryllium copper bottle cap die and preparation method thereof |
| CN111593290A (en) * | 2020-07-03 | 2020-08-28 | 山东昌丰轮胎有限公司 | Anti-sticking coating of tire mold |
| CN111763901A (en) * | 2020-07-03 | 2020-10-13 | 山东昌丰轮胎有限公司 | Tire mold with anti-sticking coating |
| CN112593213A (en) * | 2020-12-11 | 2021-04-02 | 岳阳市青方环保科技有限公司 | Wear-resistant and corrosion-resistant process for surface of guide cylinder of automatic inclinator |
| CN114749356A (en) * | 2022-04-14 | 2022-07-15 | 重庆红江机械有限责任公司 | Preparation method of steel piece surface anti-drop DLC coating |
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Application publication date: 20180629 |