CN111663111A - Method for processing stainless steel coil with colorful snowflake sand wire drawing film layer - Google Patents
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- CN111663111A CN111663111A CN202010485466.0A CN202010485466A CN111663111A CN 111663111 A CN111663111 A CN 111663111A CN 202010485466 A CN202010485466 A CN 202010485466A CN 111663111 A CN111663111 A CN 111663111A
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- 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
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- 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
- C23C14/0015—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterized by the colour of the layer
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- 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
- C23C14/02—Pretreatment of the material to be coated
- C23C14/028—Physical treatment to alter the texture of the substrate surface, e.g. grinding, polishing
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- 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
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
- C23C14/325—Electric arc evaporation
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a method for processing a stainless steel coil with a colored snowflake sand wire-drawing film layer, which comprises the following steps: cold rolling treatment, sanding treatment, wire drawing processing, whole roll film plating treatment, and cleaning treatment; through the continuous production process of sanding firstly, drawing wire, and finally rolling up vacuum coating, the production efficiency is high, and the large-batch market demands can be met. And all materials and equipment to be produced are placed in a vacuum environment during the whole roll of vacuum coating, so that multiple times of vacuum pumping is not needed in the production process, and the consumption of electric energy and consumables in the production process is reduced.
Description
Technical Field
The invention relates to the field of stainless steel processing, in particular to a method for processing a stainless steel coil with a colorful snowflake sand wire-drawing film layer.
Background
The stainless steel has the characteristics of high hardness, good wear resistance, good corrosion resistance, excellent appearance, long service life and the like, and is widely applied to industries such as buildings, automobile industry, shipbuilding industry, marine devices, mechanical equipment, chemical equipment and the like. The high-quality mirror polishing of the surface of the stainless steel product is one of key factors for ensuring that the stainless steel product is widely applied to industries such as buildings, automobile industry, shipbuilding industry, ocean devices, mechanical equipment, chemical equipment and the like, and after the stainless steel surface is treated by sanding, titanizing and non-fingerprint processes, the stainless steel surface has a high-end luxurious appearance with high smooth surface and pure and soft color as decoration, so that the added value and market competitiveness of the product are greatly improved.
The stainless steel plate with the colored snowflake sand wire drawing film layer is available in the market at present, the product can be produced only through single-sheet production or multiple-sheet production at one time, however, the surface effect of the product is easily inconsistent due to the fact that the product in the same batch is produced in a single-sheet production mode, a large amount of manpower is needed to be equipped for operation in the single-sheet production mode, and the requirement for large batch of markets is difficult to meet.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a method for processing a stainless steel coil with a colored snowflake sand wire-drawing film layer.
The technical scheme adopted by the invention is as follows:
a method for processing a stainless steel coil with a colored snowflake sand wiredrawing film layer comprises the following steps:
1) cold rolling treatment: selecting a stainless steel hot-rolled coil with the surface roughness less than or equal to 2.4 microns for rolling, controlling the reduction rate to be 65-68%, and controlling the roughness of the produced cold-rolled hard plate to be less than or equal to 0.15 microns; after annealing, pickling and passivating, the roughness of the cold-rolled stainless steel is less than or equal to 0.25 mu m;
2) sanding treatment: processing the cold-rolled stainless steel strip by a sanding machine, and performing film snowflake sand treatment on the upper surface and the lower surface of the stainless steel strip to prepare the stainless steel strip with 400# snowflake sand surfaces on the upper surface and the lower surface;
3) wire drawing processing: carrying out wire drawing processing on the upper surface of the stainless steel band after sanding by adopting a group of wire drawing abrasive belts with 240 meshes and two groups of wire drawing abrasive belts with 320 meshes in sequence to obtain a stainless steel band with a +320# wire drawing surface;
4) whole-roll film coating treatment: sending the stainless steel coil prepared after the wire drawing processing into a whole-coil vacuum coating furnace for coating a color metal film;
5) cleaning treatment: and cleaning and drying the stainless steel band after the whole roll of film coating.
Further, in the step 2), five groups of sanding units are adopted to sequentially polish the stainless steel belt, wherein the sanding belts used by the first two groups of sanding units are 150 meshes, the sanding belts used by the last three groups of sanding units are 180 meshes, the pressing currents of the sanding belts of the five groups of sanding units are 70-75A, the rotation frequency of the sanding belts is 50hz, and the actual rotation speed is 2950 r/min.
Further, in the step 2), the concentration of the stainless steel grinding liquid adopted by the sanding unit is 1.5% -2.2%.
Further, in the step 3), the concentration of the stainless steel grinding fluid adopted in the wire drawing processing is 0.18-0.25%.
Further, in the step 5), the conductivity of the washing water used for washing is 120 us/cm.
Further, in the step 4), the method for performing the whole-roll coating treatment includes the following steps:
1) selecting a stainless steel coil prepared after wire drawing processing, and forming a continuously-transmitted stainless steel strip production line in a continuous unreeling mode;
2) the uncoiled stainless steel band is firstly transferred to a heating chamber, and the steel band is heated under the automatic temperature control of a heating device so as to reach the set temperature required by coating;
3) the steel strip from the heating chamber enters a cleaning chamber, and impurities on the surface of the steel strip are cleaned under the condition that high-energy particles continuously bombard the surface of the steel strip;
4) the steel strip from the cleaning chamber enters a vacuum plasma coating chamber, and a column arc target material of 145mm and a medium-frequency target material of 70mm are combined for coating, so that a coating layer is formed on the surface of the steel strip;
5) the steel strip from the vacuum plasma coating chamber enters a cooling chamber to cool the steel strip;
6) the steel strip coming out of the cooling chamber enters a spectrum chamber, and the color of a film layer on the surface of the steel strip is detected by using an online LAB detector; when the obtained detection parameters are changed, feeding back the change result to the vacuum plasma coating chamber in the step 3), and adjusting the coating parameters by the vacuum plasma coating chamber according to the change result;
7) coiling the steel strip from the spectrum chamber into a roll to form a finished steel strip coil;
8) the steps 1) to 7) are all carried out in the same sealed vacuum chamber.
The invention has the beneficial effects that:
the invention firstly polishes, then draws wires, and finally carries out whole-roll vacuum coating, all materials and equipment to be produced are placed in a vacuum environment during the whole-roll vacuum coating, and multiple times of vacuum pumping are not needed in the production process. The invention adopts a continuous production process, has high production efficiency and can meet the large-batch demands of the market.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings, there is shown in the drawings,
FIG. 1: the embodiment of the invention provides a flow chart of a method for processing a stainless steel coil with a colorful snowflake sand wire drawing film layer;
FIG. 2: the flow chart of the method for whole-roll coating treatment in the embodiment of the invention is shown.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1, an embodiment of the present invention discloses a method for processing a stainless steel coil with a colored snowflake sand wiredrawing film layer, which comprises the following steps:
step one, cold rolling treatment: selecting a stainless steel hot-rolled coil with the surface roughness less than or equal to 2.4 microns for rolling, controlling the reduction rate to be 65-68%, and controlling the roughness of the produced cold-rolled hard plate to be less than or equal to 0.15 microns; the roughness of the cold-rolled stainless steel after annealing, pickling and passivation is less than or equal to 0.25 mu m.
Step two, sanding treatment: processing the cold-rolled stainless steel strip by a sanding machine, and performing film snowflake sand treatment on the upper surface and the lower surface of the stainless steel strip to prepare the stainless steel strip with 400# snowflake sand surfaces on the upper surface and the lower surface; in one embodiment, five groups of sanding units are adopted to sequentially polish the stainless steel belt, wherein the sanding belts used by the first two groups of sanding units are 150 meshes, the sanding belts used by the last three groups of sanding units are 180 meshes, the pressing current of the sanding belts of the five groups of sanding units is 70-75A, the rotation frequency of the sanding belts is 50hz, and the actual rotation speed is 2950 r/min. The stainless steel grinding liquid adopted by the sanding unit has the concentration of 1.5-2.2%. The stainless steel polishing liquid is a composite solution currently on the market, is specially manufactured for polishing stainless steel, is prepared from an extreme pressure lubricant, an antirust agent, a surfactant, a settling agent and the like, and is diluted with tap water for use.
Step three, wire drawing: carrying out wire drawing processing on the upper surface of the stainless steel band after sanding by adopting a group of wire drawing abrasive belts with 240 meshes and two groups of wire drawing abrasive belts with 320 meshes in sequence to obtain a stainless steel band with a +320# wire drawing surface; in one embodiment, the stainless steel abrasive slurry used during drawing has a concentration of 0.18% to 0.25%.
Fourthly, whole roll coating treatment: and (4) feeding the stainless steel coil prepared after the wire drawing processing into a whole-coil vacuum coating furnace for coating a color metal film.
Fifthly, cleaning treatment: and cleaning and drying the stainless steel band after the whole roll of film coating. The washing water used for washing had a conductivity of 120 us/cm.
Referring to fig. 2, in a preferred embodiment, the method for performing a full-roll coating process includes the following steps:
1) selecting a stainless steel coil prepared after wire drawing processing, and forming a continuously-transmitted stainless steel strip production line in a continuous unreeling mode; adopt continuous type production mode, form sharp contrast with current sola production mode, saved the workman and carried out the link plate, got the board operation, practiced thrift the manual work.
2) The uncoiled stainless steel band is firstly transferred to a heating chamber, and the steel band is heated under the automatic temperature control of a heating device so as to reach the set temperature required by coating; the temperature required by coating may be different according to different steel materials and the difference of the processes such as the thickness of the coating required, and theoretically, the method can control the heating steel strip to any required set temperature. Thus, the present step is not limited to any one determined temperature.
3) The steel strip from the heating chamber enters a cleaning chamber, and impurities on the surface of the steel strip are cleaned under the condition that high-energy particles continuously bombard the surface of the steel strip; the cleaning device has the advantages that sundries on the surface of the steel belt can be cleaned, the steel belt can be further heated and insulated, and the cleaning device is greatly different from the traditional cleaning (the traditional cleaning is generally water washing or cleaning solution cleaning, and the surface temperature of the steel belt is reduced after the cleaning).
4) The steel strip from the cleaning chamber enters a vacuum plasma coating chamber, and a column arc target material of 145mm and a medium-frequency target material of 70mm are combined for coating, so that a coating layer is formed on the surface of the steel strip; the method is provided with 10 integrated vacuum plasma coating chambers in total, and adopts the combination of the 145mm cylindrical arc target and the 70mm intermediate frequency target for coating, thereby abandoning the multi-arc mode used in the prior coating process, changing the prior simple coating through intermediate frequency sputtering, not only ensuring the delicate coating of the surface film layer of the coated object (steel strip), but also greatly improving the film forming speed and accelerating the production benefit. In addition, each vacuum plasma coating chamber is provided with a water cooling device for cooling the coating chamber, and similarly, the column target in each coating chamber is provided with a water cooling device for protecting the magnetic field and preventing the target material from overheating.
5) The steel strip from the vacuum plasma coating chamber enters a cooling chamber to cool the steel strip; the cooling chamber is internally provided with a cooling deviation correcting device which passes through two cooling water-cooling iron rollers with the thickness of 400mm, a bouncing roller is arranged between the two cooling rollers and used for ensuring that the strip steel is always kept at a middle position in the running process, and the two water-cooling iron rollers are used for cooling the strip steel. The concrete structure of the deviation correcting device is the prior art, and the step aims to improve the design of the existing deviation correcting device, namely two common deviation correcting rollers of the existing deviation correcting device are changed into water-cooling iron rollers, so that the deviation correcting device has the function of correcting deviation and has the function of cooling.
6) The steel strip coming out of the cooling chamber enters a spectrum chamber, and the color of a film layer on the surface of the steel strip is detected by using an online LAB detector; when the obtained detection parameters are changed, feeding back the change result to the vacuum plasma coating chamber in the step 3), and adjusting the coating parameters by the vacuum plasma coating chamber according to the change result; in the step, the latest online LAB detector is installed in the spectrum chamber, the color of the film layer can be detected in real time, and when the LAB value of the color of the film layer is detected to be changed, the current, the voltage and the process gas quantity of the target can be automatically adjusted (the coating parameters of the coating device) according to the preset color value through a process closed loop, so that the stable and uniform color of the whole roll is ensured.
7) Coiling the steel strip from the spectrum chamber into a roll to form a finished steel strip coil;
8) the steps 1) to 7) are all carried out in the same sealed vacuum chamber. Therefore, compared with the repeated operations of re-vacuumizing, heating, color plating and the like required for each production in the conventional single-sheet production, the method is continuously carried out in a closed vacuum chamber without repeated vacuumizing, heating and color plating.
In conclusion, the invention firstly polishes, then draws wires and finally carries out vacuum coating on the whole roll, all materials and equipment to be produced are placed in a vacuum environment during the vacuum coating of the whole roll, and multiple times of vacuum pumping are not needed in the production process. The invention adopts a continuous production process, has high production efficiency and can meet the large-batch demands of the market.
Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the invention, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. A method for processing a stainless steel coil with a colored snowflake sand wiredrawing film layer comprises the following steps:
1) cold rolling treatment: selecting a stainless steel hot-rolled coil with the surface roughness less than or equal to 2.4 microns for rolling, controlling the reduction rate to be 65-68%, and controlling the roughness of the produced cold-rolled hard plate to be less than or equal to 0.15 microns; after annealing, pickling and passivating, the roughness of the cold-rolled stainless steel is less than or equal to 0.25 mu m;
2) sanding treatment: processing the cold-rolled stainless steel strip by a sanding machine, and performing film snowflake sand treatment on the upper surface and the lower surface of the stainless steel strip to prepare the stainless steel strip with 400# snowflake sand surfaces on the upper surface and the lower surface;
3) wire drawing processing: carrying out wire drawing processing on the upper surface of the stainless steel band after sanding by adopting a group of wire drawing abrasive belts with 240 meshes and two groups of wire drawing abrasive belts with 320 meshes in sequence to obtain a stainless steel band with a +320# wire drawing surface;
4) whole-roll film coating treatment: sending the stainless steel coil prepared after the wire drawing processing into a whole-coil vacuum coating furnace for coating a color metal film;
5) cleaning treatment: and cleaning and drying the stainless steel band after the whole roll of film coating.
2. The method for processing the stainless steel coil with the colored snowflake sand wiredrawing film layer as claimed in claim 1, wherein in the step 2), five groups of sanding units are adopted to sequentially sand the stainless steel coil, wherein the sanding belts used by the first two groups of sanding units are 150 meshes, the sanding belts used by the last three groups of sanding units are 180 meshes, the sanding belt pressing current of the five groups of sanding units is 70-75A, the sanding belt rotation frequency is 50hz, and the actual rotation speed is 2950 r/min.
3. The method for processing the stainless steel coil with the colored snowflake sand wiredrawing film layer as claimed in claim 2, wherein in the step 2), the stainless steel grinding fluid adopted by the sanding unit has a concentration of 1.5% -2.2%.
4. The method for processing the stainless steel coil with the colored snowflake sand wiredrawing film layer as claimed in claim 1, wherein in the step 3), the concentration of the stainless steel grinding fluid adopted in wiredrawing is 0.18% -0.25%.
5. The method for processing the stainless steel coil with the colored snowflake sand wiredrawing film layer as claimed in claim 1, wherein in the step 5), the conductivity of the washing water used for washing is 120 us/cm.
6. The method for processing the stainless steel coil with the colored snowflake sand wiredrawing film layer as claimed in claim 1, wherein in the step 4), the whole coil coating treatment method comprises the following steps:
1) selecting a stainless steel coil prepared after wire drawing processing, and forming a continuously-transmitted stainless steel strip production line in a continuous unreeling mode;
2) the uncoiled stainless steel band is firstly transferred to a heating chamber, and the steel band is heated under the automatic temperature control of a heating device so as to reach the set temperature required by coating;
3) the steel strip from the heating chamber enters a cleaning chamber, and impurities on the surface of the steel strip are cleaned under the condition that high-energy particles continuously bombard the surface of the steel strip;
4) the steel strip from the cleaning chamber enters a vacuum plasma coating chamber, and a column arc target material of 145mm and a medium-frequency target material of 70mm are combined for coating, so that a coating layer is formed on the surface of the steel strip;
5) the steel strip from the vacuum plasma coating chamber enters a cooling chamber to cool the steel strip;
6) the steel strip coming out of the cooling chamber enters a spectrum chamber, and the color of a film layer on the surface of the steel strip is detected by using an online LAB detector; when the obtained detection parameters are changed, feeding back the change result to the vacuum plasma coating chamber in the step 3), and adjusting the coating parameters by the vacuum plasma coating chamber according to the change result;
7) coiling the steel strip from the spectrum chamber into a roll to form a finished steel strip coil;
8) the steps 1) to 7) are all carried out in the same sealed vacuum chamber.
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| CN202010485466.0A CN111663111A (en) | 2020-06-01 | 2020-06-01 | Method for processing stainless steel coil with colorful snowflake sand wire drawing film layer |
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| CN202010485466.0A CN111663111A (en) | 2020-06-01 | 2020-06-01 | Method for processing stainless steel coil with colorful snowflake sand wire drawing film layer |
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Cited By (3)
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| CN113118928A (en) * | 2021-03-25 | 2021-07-16 | 宁波市艾力可机电科技有限公司 | Efficient and environment-friendly stainless steel wire drawing production process |
| CN113829129A (en) * | 2021-08-22 | 2021-12-24 | 孙晓茹 | Stainless steel wire drawing process and device for bowl washing tank |
| CN115287430A (en) * | 2022-08-04 | 2022-11-04 | 宁波宝新不锈钢有限公司 | Preparation method of 304 austenitic stainless steel for household appliance panel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118928A (en) * | 2021-03-25 | 2021-07-16 | 宁波市艾力可机电科技有限公司 | Efficient and environment-friendly stainless steel wire drawing production process |
| CN113829129A (en) * | 2021-08-22 | 2021-12-24 | 孙晓茹 | Stainless steel wire drawing process and device for bowl washing tank |
| CN113829129B (en) * | 2021-08-22 | 2024-03-29 | 孙晓茹 | Stainless steel wire drawing process and device for bowl washing groove |
| CN115287430A (en) * | 2022-08-04 | 2022-11-04 | 宁波宝新不锈钢有限公司 | Preparation method of 304 austenitic stainless steel for household appliance panel |
| CN115287430B (en) * | 2022-08-04 | 2024-02-20 | 宁波宝新不锈钢有限公司 | Preparation method of 304 austenitic stainless steel for household appliance panel |
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