CN110947764A - Titanium strip coil slitting method - Google Patents
Titanium strip coil slitting method Download PDFInfo
- Publication number
- CN110947764A CN110947764A CN201911223123.0A CN201911223123A CN110947764A CN 110947764 A CN110947764 A CN 110947764A CN 201911223123 A CN201911223123 A CN 201911223123A CN 110947764 A CN110947764 A CN 110947764A
- Authority
- CN
- China
- Prior art keywords
- titanium
- strip coil
- titanium strip
- narrow
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
Abstract
The invention discloses a titanium strip coil slitting method, which comprises the following steps: the method comprises the following steps: putting titanium ingots and leftover bits and pieces into a titanium melting furnace, converting the solid titanium ingots into liquid titanium water, and standing and preserving the temperature of the titanium water; step two: allowing the titanium water after standing and heat preservation to flow into a casting and rolling machine through a pipeline, cooling by circulating water while flowing in, and continuously casting and rolling from the casting and rolling machine and then curling to obtain a titanium strip coil; step three: removing oxide skin and oil stain on the surface of the hot coil from the titanium strip coil obtained in the step two by adopting shot blasting and acid washing, and quickly drying by adopting an industrial hot air blower after cleaning; step four: and on the basis of the third step, arc discharge is generated in the prepared electrolyte by utilizing a micro-arc oxidation technology, and the ceramic coating is obtained by in-situ growth on the metal surface of the cleaned and dried titanium strip coil. The titanium strip coil slitting method is stable and reliable, simple in equipment, convenient to operate, strong in practicability and suitable for wide popularization and use.
Description
Technical Field
The invention belongs to the technical field of titanium strip coil production, and particularly relates to a titanium strip coil slitting method.
Background
The existing titanium and titanium alloy plates are all produced in a single-plate rolling mode, and the splitting of the titanium plates is realized in a transverse cutting plate shearing mode. This method has the following disadvantages: 1. because the length of the single-plate titanium plate is limited, the maximum length of the cut titanium strip is only the plate length; 2. the cut titanium strips are limited and fixed in length, and need to be spliced or cut inevitably in practical use, so that the working procedures are increased before the product is processed, the operation cost is increased, the processing efficiency is reduced, and uncontrollable factors influencing the quality are increased; 3. when the cut titanium strip coil is put into use, cracks are easy to appear, the corrosion resistance is poor, and the service life is short.
Disclosure of Invention
The invention aims to provide a method for slitting a titanium strip coil, which aims to solve the problem that the maximum length of a titanium strip to be slit is only the length of a single-plate titanium plate in the background technology; the cut titanium strips are limited and fixed in length, and need to be spliced or cut inevitably in practical use, so that the working procedures are increased before the product is processed, the operation cost is increased, the processing efficiency is reduced, and uncontrollable factors influencing the quality are increased; when the cut titanium strip coil is put into use, the problems of easy occurrence of cracks, poor corrosion resistance and short service life are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a titanium strip coil slitting method comprises the following specific slitting method steps:
the method comprises the following steps: putting titanium ingots and leftover bits and pieces into a titanium melting furnace, converting the solid titanium ingots into liquid titanium water, and standing and preserving the temperature of the titanium water;
step two: allowing the titanium water after standing and heat preservation to flow into a casting and rolling machine through a pipeline, cooling by circulating water while flowing in, and continuously casting and rolling from the casting and rolling machine and then curling to obtain a titanium strip coil;
step three: removing oxide skin and oil stain on the surface of the hot coil from the titanium strip coil obtained in the step two by adopting shot blasting and acid washing, and quickly drying by adopting an industrial hot air blower after cleaning;
step four: arc discharge is generated in the prepared electrolyte by utilizing the micro-arc oxidation technology on the basis of the third step, and a ceramic coating is obtained by in-situ growth on the metal surface of the cleaned and dried titanium strip coil;
step five: the pinch is that the running titanium strip is sent into a longitudinal shearing machine in a clamping way by a pair of rubber surface rollers; simultaneously, the uneven parts of the edges of the titanium belt are cut off by two pairs of disc shears on the outermost side, and the cut edge wires are wrapped into edge wire coils by a collecting wheel disc arranged on the side edge of the disc shears;
step six: the narrow titanium strips separated by longitudinal shearing are guided by a material separating disc arranged on a pair of transverse rubber surface rollers, and the narrow strips keep the same gap between the adjacent narrow strips and enter a pressing plate in order;
step seven: the pressing plate is used for guiding the slit narrow titanium strip to a winding machine by clamping and conveying the slit narrow titanium strip through a pressing plate table;
step eight: and the coil splitting is to split the titanium belt longitudinally cut into strips by a transverse shearing machine into coils with different lengths according to requirements.
Further, the electrolyte prepared in the fourth step is one of commonly used Na2SO4, Na2CO3, Na2SiO3 and Na3PO 4.
Further, in the third step, the granularity of the steel shot is 0.30-0.40 mm, the hardness of the steel shot is 50-55 HV, the projection speed is as follows: 55-80 m/s, projection density: 70-90 kg/m 2.
Further, the longitudinal shearing in the fifth step is to longitudinally shear the running titanium belt into a plurality of narrow titanium belts with different widths along the length direction of the titanium belt through a group of disc shears arranged on a pair of transverse shaft rollers.
And further, the narrow titanium strip coil produced in the step eight is bundled and fastened by a bundling belt manually, then the coil unloading steering platform arranged beside the winding machine is rotated to lead the narrow titanium strip coil from the core shaft of the winding machine, and then the coil unloading steering platform is rotated to convey the narrow titanium strip coil to the packaging platform for paper wrapping and packaging.
Further, acid pickling decontamination, namely acid pickling decontamination is carried out on the hot-rolled titanium coil by using a mixed solution of 15% -25% of nitric acid and 6% -8% of hydrofluoric acid, the acid pickling temperature is controlled to be 80-85 ℃, and the running speed of the titanium belt is 3.4-5.0 m/min.
Further, in the first step, the titanium ingot and the leftover bits and pieces are put into an ultrasonic cleaning machine to be cleaned and dried for standby.
Compared with the prior art, the invention has the beneficial effects that:
(1) the method can be used for longitudinally shearing the titanium and titanium alloy strip coil with the opening length of thousands of meters, shearing off the uneven part of the edge of the titanium strip, and longitudinally shearing the wide titanium strip into a plurality of narrow titanium strips with different widths according to the requirements of users; the titanium belt can be only trimmed, and the width of the titanium belt is kept.
(2) Through shearing by the longitudinal shearing machine and then shearing by the transverse shearing machine, the length of the titanium strip is not fixed, the slitting efficiency is high, the application range is effectively expanded, the procedures before the product is processed are reduced, the operation cost is reduced, the processing efficiency is increased, and the uncontrollable influence factors on the quality are reduced.
(3) Arc discharge is generated in the prepared electrolyte by utilizing the micro-arc oxidation technology, and a ceramic coating is obtained by in-situ growth on the surface of the cleaned and dried titanium strip coil metal, so that the ceramic coating effectively plays a role of preventing cracks, improves the overall strength of the titanium strip coil metal and has good heat resistance and corrosion resistance, thereby fundamentally overcoming the defects of aluminum, magnesium and titanium alloy materials in application, and therefore, the technology has wide application prospect.
(4) The titanium strip coil treatment process is stable and reliable, simple in equipment, convenient to operate, strong in practicability and suitable for wide popularization and use.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A titanium strip coil slitting method comprises the following specific slitting method steps:
the method comprises the following steps: putting titanium ingots and leftover bits and pieces into a titanium melting furnace, converting the solid titanium ingots into liquid titanium water, and standing and preserving the temperature of the titanium water;
step two: allowing the titanium water after standing and heat preservation to flow into a casting and rolling machine through a pipeline, cooling by circulating water while flowing in, and continuously casting and rolling from the casting and rolling machine and then curling to obtain a titanium strip coil;
step three: removing oxide skin and oil stain on the surface of the hot coil from the titanium strip coil obtained in the step two by adopting shot blasting and acid washing, and quickly drying by adopting an industrial hot air blower after cleaning;
step four: arc discharge is generated in the prepared electrolyte by utilizing the micro-arc oxidation technology on the basis of the third step, and a ceramic coating is obtained by in-situ growth on the metal surface of the cleaned and dried titanium strip coil;
step five: the pinch is that the running titanium strip is sent into a longitudinal shearing machine in a clamping way by a pair of rubber surface rollers; simultaneously, the uneven parts of the edges of the titanium belt are cut off by two pairs of disc shears on the outermost side, and the cut edge wires are wrapped into edge wire coils by a collecting wheel disc arranged on the side edge of the disc shears;
step six: the narrow titanium strips separated by longitudinal shearing are guided by a material separating disc arranged on a pair of transverse rubber surface rollers, and the narrow strips keep the same gap between the adjacent narrow strips and enter a pressing plate in order;
step seven: the pressing plate is used for guiding the slit narrow titanium strip to a winding machine by clamping and conveying the slit narrow titanium strip through a pressing plate table;
step eight: and the coil splitting is to split the titanium belt longitudinally cut into strips by a transverse shearing machine into coils with different lengths according to requirements.
Wherein, the electrolyte prepared in the fourth step is one of Na2SO4, Na2CO3, Na2SiO3 and Na3PO4 which are commonly used.
In the third step, the steel shot granularity is 0.30-0.40 mm, the steel shot hardness is 50-55 HV, the projection speed is as follows: 55-80 m/s, projection density: 70-90 kg/m 2.
And in the fifth step, the longitudinal shearing is to longitudinally shear the running titanium belt into a plurality of narrow titanium belts with different widths along the length direction of the titanium belt through a group of disc shears arranged on a pair of transverse shaft rollers.
And D, manually bundling and fastening the narrow titanium strip coil produced in the step eight by using a bundling belt, then rotating an unloading steering platform arranged beside the winding machine to lead the narrow titanium strip coil from a core shaft of the winding machine, then rotating the unloading steering platform, and conveying the narrow titanium strip coil to a packaging platform for wrapping and packaging.
Wherein, the pickling and decontamination are carried out on the hot-rolled titanium coil by using a mixed solution of 15-25% of nitric acid and 6-8% of hydrofluoric acid, the pickling temperature is controlled to be 80-85 ℃, and the running speed of the titanium belt is 3.4-5.0 m/min.
And putting the titanium ingots and the leftover bits and pieces into an ultrasonic cleaning machine for cleaning and drying for later use in the step one.
Example 2
A titanium strip coil slitting method comprises the following specific slitting method steps:
the method comprises the following steps: putting titanium ingots and leftover bits and pieces into a titanium melting furnace, converting the solid titanium ingots into liquid titanium water, and standing and preserving the temperature of the titanium water;
step two: allowing the titanium water after standing and heat preservation to flow into a casting and rolling machine through a pipeline, cooling by circulating water while flowing in, and continuously casting and rolling from the casting and rolling machine and then curling to obtain a titanium strip coil;
step three: removing oxide skin and oil stain on the surface of the hot coil from the titanium strip coil obtained in the step two by shot blasting and alkali washing, and quickly drying by using an industrial hot air blower after cleaning;
step four: arc discharge is generated in the prepared electrolyte by utilizing the micro-arc oxidation technology on the basis of the third step, and a ceramic coating is obtained by in-situ growth on the metal surface of the cleaned and dried titanium strip coil;
step five: the pinch is that the running titanium strip is sent into a longitudinal shearing machine in a clamping way by a pair of rubber surface rollers; simultaneously, the uneven parts of the edges of the titanium belt are cut off by two pairs of disc shears on the outermost side, and the cut edge wires are wrapped into edge wire coils by a collecting wheel disc arranged on the side edge of the disc shears;
step six: the narrow titanium strips separated by longitudinal shearing are guided by a material separating disc arranged on a pair of transverse rubber surface rollers, and the narrow strips keep the same gap between the adjacent narrow strips and enter a pressing plate in order;
step seven: the pressing plate is used for guiding the slit narrow titanium strip to a winding machine by clamping and conveying the slit narrow titanium strip through a pressing plate table;
step eight: and the coil splitting is to split the titanium belt longitudinally cut into strips by a transverse shearing machine into coils with different lengths according to requirements.
Wherein, the electrolyte prepared in the fourth step is one of Na2SO4, Na2CO3, Na2SiO3 and Na3PO4 which are commonly used.
In the third step, the steel shot granularity is 0.30-0.40 mm, the steel shot hardness is 50-55 HV, the projection speed is as follows: 55-80 m/s, projection density: 70-90 kg/m 2.
And in the fifth step, the longitudinal shearing is to longitudinally shear the running titanium belt into a plurality of narrow titanium belts with different widths along the length direction of the titanium belt through a group of disc shears arranged on a pair of transverse shaft rollers.
And D, manually bundling and fastening the narrow titanium strip coil produced in the step eight by using a bundling belt, then rotating an unloading steering platform arranged beside the winding machine to lead the narrow titanium strip coil from a core shaft of the winding machine, then rotating the unloading steering platform, and conveying the narrow titanium strip coil to a packaging platform for wrapping and packaging.
Wherein, the alkali washing decontamination is to use 15-20% sodium hydroxide solution to carry out alkali washing decontamination on the titanium strip coil, the alkali washing temperature is controlled to be 80-85 ℃, and the running speed of the titanium strip is 3.4-5.0 m/min.
And putting the titanium ingots and the leftover bits and pieces into an ultrasonic cleaning machine for cleaning and drying for later use in the step one.
When the invention works: the method can be used for longitudinally shearing the titanium and titanium alloy strip coil with the opening length of thousands of meters, shearing off the uneven part of the edge of the titanium strip, and longitudinally shearing the wide titanium strip into a plurality of narrow titanium strips with different widths according to the requirements of users; the edge of the titanium belt can be cut only, and the width of the titanium belt is kept; the titanium strip is cut by the longitudinal cutting machine and then by the transverse cutting machine, the length of the titanium strip is not fixed, the cutting efficiency is high, the application range is effectively expanded, the procedures before the product is processed are reduced, the operation cost is reduced, the processing efficiency is increased, and the uncontrollable influence factors on the quality are reduced; arc discharge is generated in the prepared electrolyte by utilizing the micro-arc oxidation technology, and a ceramic coating is obtained by in-situ growth on the surface of the cleaned and dried titanium strip coil metal, so that the ceramic coating effectively plays a role of preventing cracks, improves the overall strength of the titanium strip coil metal and has good heat resistance and corrosion resistance, thereby fundamentally overcoming the defects of aluminum, magnesium and titanium alloy materials in application, and having wide application prospect; the titanium strip coil treatment process is stable and reliable, simple in equipment, convenient to operate, strong in practicability and suitable for wide popularization and use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A titanium strip coil slitting method is characterized by comprising the following specific slitting method steps:
the method comprises the following steps: putting titanium ingots and leftover bits and pieces into a titanium melting furnace, converting the solid titanium ingots into liquid titanium water, and standing and preserving the temperature of the titanium water;
step two: allowing the titanium water after standing and heat preservation to flow into a casting and rolling machine through a pipeline, cooling by circulating water while flowing in, and continuously casting and rolling from the casting and rolling machine and then curling to obtain a titanium strip coil;
step three: removing oxide skin and oil stain on the surface of the hot coil from the titanium strip coil obtained in the step two by adopting shot blasting and acid washing, and quickly drying by adopting an industrial hot air blower after cleaning;
step four: arc discharge is generated in the prepared electrolyte by utilizing the micro-arc oxidation technology on the basis of the third step, and a ceramic coating is obtained by in-situ growth on the metal surface of the cleaned and dried titanium strip coil;
step five: the pinch is that the running titanium strip is sent into a longitudinal shearing machine in a clamping way by a pair of rubber surface rollers; simultaneously, the uneven parts of the edges of the titanium belt are cut off by two pairs of disc shears on the outermost side, and the cut edge wires are wrapped into edge wire coils by a collecting wheel disc arranged on the side edge of the disc shears;
step six: the narrow titanium strips separated by longitudinal shearing are guided by a material separating disc arranged on a pair of transverse rubber surface rollers, and the narrow strips keep the same gap between the adjacent narrow strips and enter a pressing plate in order;
step seven: the pressing plate is used for guiding the slit narrow titanium strip to a winding machine by clamping and conveying the slit narrow titanium strip through a pressing plate table;
step eight: and the coil splitting is to split the titanium belt longitudinally cut into strips by a transverse shearing machine into coils with different lengths according to requirements.
2. The titanium strip coil slitting method according to claim 1, characterized in that: the electrolyte prepared in the fourth step is one of Na2SO4, Na2CO3, Na2SiO3 and Na3PO4 which are commonly used.
3. The titanium strip coil slitting method according to claim 1, characterized in that: in the third step, the steel shot granularity is 0.30-0.40 mm, the steel shot hardness is 50-55 HV, the projection speed is as follows: 55-80 m/s, projection density: 70-90 kg/m 2.
4. The titanium strip coil slitting method according to claim 1, characterized in that: and in the fifth step, the longitudinal shearing is to longitudinally shear the running titanium belt into a plurality of narrow titanium belts with different widths along the length direction of the titanium belt through a group of disc scissors arranged on a pair of transverse shaft rollers.
5. The titanium strip coil slitting method according to claim 1, characterized in that: and D, manually bundling and fastening the narrow titanium strip coil produced in the step eight by using a bundling belt, then rotating an unloading steering table arranged beside the winding machine to lead the narrow titanium strip coil from a core shaft of the winding machine, and then rotating the unloading steering table to convey the narrow titanium strip coil to a packaging table for wrapping paper and packaging.
6. The titanium strip coil slitting method according to claim 1, characterized in that: and in the third step, pickling and decontamination are carried out, namely, a mixed solution of 15-25% of nitric acid and 6-8% of hydrofluoric acid is used for pickling and decontaminating the hot-rolled titanium coil, the pickling temperature is controlled to be 80-85 ℃, and the running speed of the titanium belt is 3.4-5.0 m/min.
7. The titanium strip coil slitting method according to claim 1, characterized in that: and in the first step, putting the titanium ingots and the leftover bits and pieces into an ultrasonic cleaning machine for cleaning and drying for later use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911223123.0A CN110947764A (en) | 2019-12-03 | 2019-12-03 | Titanium strip coil slitting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911223123.0A CN110947764A (en) | 2019-12-03 | 2019-12-03 | Titanium strip coil slitting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110947764A true CN110947764A (en) | 2020-04-03 |
Family
ID=69979571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911223123.0A Pending CN110947764A (en) | 2019-12-03 | 2019-12-03 | Titanium strip coil slitting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110947764A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131330A (en) * | 1990-09-21 | 1992-05-06 | Nikko Kyodo Co Ltd | Production of pure titanium or titanium alloy material |
| JPH07118773A (en) * | 1993-10-21 | 1995-05-09 | Nippon Steel Corp | Production of ti or ti alloy rolled stock |
| CN102310314A (en) * | 2011-07-01 | 2012-01-11 | 云南钛业股份有限公司 | Processing method of titanium and titanium alloy strip coils |
| CN102319738A (en) * | 2011-07-01 | 2012-01-18 | 云南钛业股份有限公司 | Method for slitting titanium and titanium alloy strip coil |
| CN102514972A (en) * | 2011-11-14 | 2012-06-27 | 云南钛业股份有限公司 | Continuous-production-type longitudinal shearing slitting method for titanium and titanium alloy strip coil |
| CN106011714A (en) * | 2016-06-01 | 2016-10-12 | 洛阳双瑞精铸钛业有限公司 | Method for producing thin TA4 titanium material by roll type cold rolling method |
| CN107653475A (en) * | 2017-09-12 | 2018-02-02 | 西安庄信新材料科技有限公司 | A kind of method that titanium alloy surface prepares high temperature composite coating using microarc oxidation solution |
| CN109137043A (en) * | 2018-11-13 | 2019-01-04 | 西安庄信新材料科技有限公司 | A kind of titanium or titanium alloy differential arc oxidation coating production technology |
-
2019
- 2019-12-03 CN CN201911223123.0A patent/CN110947764A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131330A (en) * | 1990-09-21 | 1992-05-06 | Nikko Kyodo Co Ltd | Production of pure titanium or titanium alloy material |
| JPH07118773A (en) * | 1993-10-21 | 1995-05-09 | Nippon Steel Corp | Production of ti or ti alloy rolled stock |
| CN102310314A (en) * | 2011-07-01 | 2012-01-11 | 云南钛业股份有限公司 | Processing method of titanium and titanium alloy strip coils |
| CN102319738A (en) * | 2011-07-01 | 2012-01-18 | 云南钛业股份有限公司 | Method for slitting titanium and titanium alloy strip coil |
| CN102514972A (en) * | 2011-11-14 | 2012-06-27 | 云南钛业股份有限公司 | Continuous-production-type longitudinal shearing slitting method for titanium and titanium alloy strip coil |
| CN106011714A (en) * | 2016-06-01 | 2016-10-12 | 洛阳双瑞精铸钛业有限公司 | Method for producing thin TA4 titanium material by roll type cold rolling method |
| CN107653475A (en) * | 2017-09-12 | 2018-02-02 | 西安庄信新材料科技有限公司 | A kind of method that titanium alloy surface prepares high temperature composite coating using microarc oxidation solution |
| CN109137043A (en) * | 2018-11-13 | 2019-01-04 | 西安庄信新材料科技有限公司 | A kind of titanium or titanium alloy differential arc oxidation coating production technology |
Non-Patent Citations (2)
| Title |
|---|
| 党鹏等: "热轧钛板成材率的影响因素与提高措施 ", 《钛工业进展》 * |
| 孙付涛等: "钛板热轧机应用现状及设计选型分析 ", 《有色金属加工》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102310314B (en) | Processing method of titanium and titanium alloy strip coils | |
| CN104722577A (en) | Continuous rolling production process and process arrangement | |
| CN108746013B (en) | A kind of method for cleaning surface of precise paper-thin stainless steel band | |
| CA2139522C (en) | Continuous method for producing final gauge stainless steel product | |
| CN102764958A (en) | Process for manufacturing cold-rolled/cold-drawn precise welded steel pipe | |
| CN103331584A (en) | Manufacturing technology of copper strip for photovoltaic solar device | |
| AU735019B2 (en) | Process for producing welded pipes from cu and cu alloys | |
| CN110860855A (en) | High-surface short-flow copper strip production process | |
| CN107282686A (en) | A kind of production technology of short route half-hard state copper belt | |
| CN105032974A (en) | Production method of zirconium and zirconium alloy strip coil | |
| KR100207835B1 (en) | Method and plant for the manufacture of special steel blanks | |
| CN110947764A (en) | Titanium strip coil slitting method | |
| CN102409347A (en) | Continuous annealing and darkening integrated process for steel coil and production line | |
| CN103029010B (en) | A kind of compact production technology of metal plate and belt is arranged | |
| WO2024011965A1 (en) | Multifunctional strip treatment system, and method for using same | |
| CN112974519A (en) | Economical welding headless rolled bar production line process arrangement and production method | |
| CN113102495A (en) | Process arrangement and production method for welding endless rolled steel bars on bar and wire production line | |
| US7766217B2 (en) | Method for managing a continuous in-line metal strip processing installation, and installation for implementing this method | |
| JP5386772B2 (en) | Method for producing alloyed hot-dip galvanized steel strip | |
| CN112553451A (en) | Continuous stress relief annealing process for cold-rolled stainless steel strip | |
| CN215614062U (en) | Economical process arrangement of welding endless rolled bar production line | |
| CN211275896U (en) | Cover plate of cooling bed | |
| CN116705511A (en) | Method for improving quality of end face and edge of soft electronic aluminum foil for aluminum electrolytic capacitor | |
| JP3691909B2 (en) | Forged steel pipe manufacturing equipment | |
| CN220028219U (en) | Continuous acid-free descaling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200403 |
|
| RJ01 | Rejection of invention patent application after publication |