CN104073681A - Production method for brass strip - Google Patents
Production method for brass strip Download PDFInfo
- Publication number
- CN104073681A CN104073681A CN201410334371.3A CN201410334371A CN104073681A CN 104073681 A CN104073681 A CN 104073681A CN 201410334371 A CN201410334371 A CN 201410334371A CN 104073681 A CN104073681 A CN 104073681A
- Authority
- CN
- China
- Prior art keywords
- production method
- procedure
- rolling
- milling
- heating
- 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
Abstract
The invention relates to a production method for brass strip. The production method for the brass strip is characterized by comprising the following procedures: 1) casting procedure; 2) heating and hot rolling procedure; 3) surface milling procedure; 4) cold rolling procedure; 5) annealing procedure; 6) blank pickling procedure; 7) rolling procedure of semi-finished goods and finished products; 8) pickling of the semi-finished goods and the finished products; 9) inspection procedure; 10) side shearing cutting and package procedure. Compared with the prior art, major technical advantages are embodied as follows: produced diamagnetic brass strip can pass the examination of needle detectors which are commonly-used in the present market; moreover, through the heating procedure and the cold rolling procedure, content of iron element, cobalt element and nickel element in raw materials are reduced.
Description
Technical field
The present invention relates to a kind of brass band production method.
Background technology
Mechanical property and the corrosion resisting property of brass are good, and conduction, electric heating property is higher, and proportion is little, color and luster good, be easy to melting and processing, in copper strips alloy, application is very extensive, because it has good processability, also very wide in the application prospect of button industry that takes auxiliary class.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of technical scheme of brass band production method.
Described a kind of brass band production method, copper 73-77%, tin 0.5-1.5%, iron≤0.3%, nickel≤0.3%, plumbous≤0.01% that this brass band contains following weight percent, surplus is zinc, it is characterized in that comprising following operation:
1) founding operation;
2) heating, hot-rolled process: going out ingot temperature is 820～850 DEG C, the heating used time is 4 hours, guarantees that ingot blank temperature is even before coming out of the stove; Gained made-up belt thickness 13.5mm, width 340mm;
3) milling face operation: hot rolling gained ingot blank is carried out to upper and lower surperficial milling, and two-sided milling thickness is about 0.9mm～1.0mm; Gained made-up belt thickness 12.5mm, width 340mm;
4) cold rolling process:
Adopt 7 passage rolling technologys:
12.5mm-9.5mm-7.5mm-6.0mm-4.9mm-4.0mm-3.34mm-2.5mm, gained made-up belt thickness 2.5mm, width 315mm;
5) annealing operation: preheating zone design temperature is that 635 DEG C, heating zone design temperature are that 645 DEG C, heat preservation zone design temperature are 625 DEG C, and the annealing cycle is 7 hours; After annealing, ingot blank physicals is by tension>=294N/mm
2, extend>=50% and carry out an acceptance inspection;
6) blank pickling process: the sulphuric acid soln of operating weight concentration 10～12% carries out pickling, and 90～110 DEG C of oven dry;
7) work in-process and finished product rolling process;
8) work in-process and finished product acid-washing:
First and second rolling process acid cleaning process: the sulphuric acid soln that operating weight concentration is 6～8% carries out pickling, and 90～110 DEG C of oven dry;
The 3rd rolling process acid cleaning process: this operation is finished product acid-washing, and the sulphuric acid soln that operating weight concentration is 4～6% carries out pickling, and the passivating solution that operating weight concentration is 0.02% carries out passivation, and 90～110 DEG C of oven dry;
9) inspection process: finished surface, tolerance, band shape and physicals are detected, if all meet standard for acceptance be considered as salable product, otherwise qualitative be defective products; End properties value: cupping: 9.45mm, the tiny 0.030mm of crystal grain;
10) trimming, packaging process: in the future base divides and is cut into the required width of client, and finished product is packed to warehouse-in.
Described a kind of brass band production method, is characterized in that in described founding operation, equipment used is frequency cored induction furnace and vertical semi-continuous casting.
Described a kind of brass band production method, is characterized in that in described heating process, equipment used is walking beam furnace, and stove is divided into three sections of preheatings, heating, insulation.
Described a kind of brass band production method, is characterized in that in described hot-rolled process, equipment used is two-roller reversible formula hot rolls, adopts dilute emulsion cooling and lubricating, and carrying out base thickness is 165mm, is 13.5mm for base thickness.
Described a kind of brass band production method, it is characterized in that in described milling face operation, equipment used is off-line milling face machine, respectively made-up belt upper and lower surface is carried out to milling, two-sided milling thickness 0.9～1.0mm, after milling surface of ingot blank should scratch without obviously wiping, be mingled with, core, lead angle is round and smooth, and knife mark is carefully shallow.
Described a kind of brass band production method, is characterized in that in described cold rolling process, equipment used is 4-roller reversible cold rolling mill, rolling accuracy rolling can be divided into roughing, in roll, finish rolling three major types.
Described a kind of brass band production method, is characterized in that described annealing operation equipment used is divided into push-down annealing furnace and bell-type annealing furnace.
The present invention compared with prior art, major technique advantage is embodied in: the inspection of the Needle analyzer that the diamagnetism brass band of producing can generally use by Vehicles Collected from Market, meanwhile, by heating process and cold rolling process, reduced the content of iron, cobalt, nickel element in raw material.
Embodiment
A kind of brass band production method, copper 73-77%, tin 0.5-1.5%, iron≤0.3%, nickel≤0.3%, plumbous≤0.01% that this brass band contains following weight percent, surplus is zinc, comprises following operation:
1) founding operation;
2) heating, hot-rolled process: going out ingot temperature is 820～850 DEG C, the heating used time is 4 hours, guarantees that ingot blank temperature is even before coming out of the stove; Gained made-up belt thickness 13.5mm, width 340mm;
3) milling face operation: hot rolling gained ingot blank is carried out to upper and lower surperficial milling, and two-sided milling thickness is about 0.9mm～1.0mm; Gained made-up belt thickness 12.5mm, width 340mm;
4) cold rolling process:
Adopt 7 passage rolling technologys:
12.5mm-9.5mm-7.5mm-6.0mm-4.9mm-4.0mm-3.34mm-2.5mm, gained made-up belt thickness 2.5mm, width 315mm;
5) annealing operation: preheating zone design temperature is that 635 DEG C, heating zone design temperature are that 645 DEG C, heat preservation zone design temperature are 625 DEG C, and the annealing cycle is 7 hours; After annealing, ingot blank physicals is by tension>=294N/mm
2, extend>=50% and carry out an acceptance inspection;
6) blank pickling process: the sulphuric acid soln of operating weight concentration 10～12% carries out pickling, and 90～110 DEG C of oven dry;
7) work in-process and finished product rolling process;
8) work in-process and finished product acid-washing:
First and second rolling process acid cleaning process: the sulphuric acid soln that operating weight concentration is 6～8% carries out pickling, and 90～110 DEG C of oven dry;
The 3rd rolling process acid cleaning process: this operation is finished product acid-washing, and the sulphuric acid soln that operating weight concentration is 4～6% carries out pickling, and the passivating solution that operating weight concentration is 0.02% carries out passivation, and 90～110 DEG C of oven dry;
9) inspection process: finished surface, tolerance, band shape and physicals are detected, if all meet standard for acceptance be considered as salable product, otherwise qualitative be defective products; End properties value: cupping: 9.45mm, the tiny 0.030mm of crystal grain;
10) trimming, packaging process: in the future base divides and is cut into the required width of client, and finished product is packed to warehouse-in.
In founding operation, equipment used is frequency cored induction furnace and vertical semi-continuous casting; In heating process, equipment used is walking beam furnace, and stove is divided into three sections of preheatings, heating, insulation; In hot-rolled process, equipment used is two-roller reversible formula hot rolls, adopts dilute emulsion cooling and lubricating, and carrying out base thickness is 165mm, is 13.5mm for base thickness; In milling face operation, equipment used is off-line milling face machine, respectively made-up belt upper and lower surface is carried out to milling, two-sided milling thickness 0.9～1.0mm, after milling surface of ingot blank should scratch without obviously wiping, be mingled with, core, lead angle is round and smooth, knife mark is carefully shallow; In cold rolling process, equipment used is 4-roller reversible cold rolling mill, rolling accuracy rolling can be divided into roughing, in roll, finish rolling three major types; Annealing operation equipment used is divided into push-down annealing furnace and bell-type annealing furnace.
The present invention compared with prior art, major technique advantage is embodied in: the inspection of the Needle analyzer that the diamagnetism brass band of producing can generally use by Vehicles Collected from Market, meanwhile, by heating process and cold rolling process, reduced the content of iron, cobalt, nickel element in raw material.
Claims (7)
1. a brass band production method, copper 73-77%, tin 0.5-1.5%, iron≤0.3%, nickel≤0.3%, plumbous≤0.01% that this brass band contains following weight percent, surplus is zinc, it is characterized in that comprising following operation:
1) founding operation;
2) heating, hot-rolled process: going out ingot temperature is 820～850 DEG C, the heating used time is 4 hours, guarantees that ingot blank temperature is even before coming out of the stove; Gained made-up belt thickness 13.5mm, width 340mm;
3) milling face operation: hot rolling gained ingot blank is carried out to upper and lower surperficial milling, and two-sided milling thickness is about 0.9mm～1.0mm; Gained made-up belt thickness 12.5mm, width 340mm;
4) cold rolling process:
Adopt 7 passage rolling technologys:
12.5mm-9.5mm-7.5mm-6.0mm-4.9mm-4.0mm-3.34mm-2.5mm, gained made-up belt thickness 2.5mm, width 315mm;
5) annealing operation: preheating zone design temperature is that 635 DEG C, heating zone design temperature are that 645 DEG C, heat preservation zone design temperature are 625 DEG C, and the annealing cycle is 7 hours; After annealing, ingot blank physicals is by tension>=294N/mm
2, extend>=50% and carry out an acceptance inspection;
6) blank pickling process: the sulphuric acid soln of operating weight concentration 10～12% carries out pickling, and 90～110 DEG C of oven dry;
7) work in-process and finished product rolling process;
8) work in-process and finished product acid-washing:
First and second rolling process acid cleaning process: the sulphuric acid soln that operating weight concentration is 6～8% carries out pickling, and 90～110 DEG C of oven dry;
The 3rd rolling process acid cleaning process: this operation is finished product acid-washing, and the sulphuric acid soln that operating weight concentration is 4～6% carries out pickling, and the passivating solution that operating weight concentration is 0.02% carries out passivation, and 90～110 DEG C of oven dry;
9) inspection process: finished surface, tolerance, band shape and physicals are detected, if all meet standard for acceptance be considered as salable product, otherwise qualitative be defective products; End properties value: cupping: 9.45mm, the tiny 0.030mm of crystal grain;
10) trimming, packaging process: in the future base divides and is cut into the required width of client, and finished product is packed to warehouse-in.
2. a kind of brass band production method according to claim 1, is characterized in that in described founding operation, equipment used is frequency cored induction furnace and vertical semi-continuous casting.
3. a kind of brass band production method according to claim 1, is characterized in that in described heating process, equipment used is walking beam furnace, and stove is divided into three sections of preheatings, heating, insulation.
4. a kind of brass band production method according to claim 1, is characterized in that in described hot-rolled process, equipment used is two-roller reversible formula hot rolls, adopts dilute emulsion cooling and lubricating, and carrying out base thickness is 165mm, is 13.5mm for base thickness.
5. a kind of brass band production method according to claim 1, it is characterized in that in described milling face operation, equipment used is off-line milling face machine, respectively made-up belt upper and lower surface is carried out to milling, two-sided milling thickness 0.9～1.0mm, after milling surface of ingot blank should scratch without obviously wiping, be mingled with, core, lead angle is round and smooth, and knife mark is carefully shallow.
6. a kind of brass band production method according to claim 1, is characterized in that in described cold rolling process, equipment used is 4-roller reversible cold rolling mill, rolling accuracy rolling can be divided into roughing, in roll, finish rolling three major types.
7. a kind of brass band production method according to claim 1, is characterized in that described annealing operation equipment used is divided into push-down annealing furnace and bell-type annealing furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334371.3A CN104073681A (en) | 2014-07-15 | 2014-07-15 | Production method for brass strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334371.3A CN104073681A (en) | 2014-07-15 | 2014-07-15 | Production method for brass strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104073681A true CN104073681A (en) | 2014-10-01 |
Family
ID=51595279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410334371.3A Pending CN104073681A (en) | 2014-07-15 | 2014-07-15 | Production method for brass strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104073681A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988351A (en) * | 2015-07-31 | 2015-10-21 | 中色奥博特铜铝业有限公司 | Brass strip for button and manufacturing method thereof |
| CN105624595A (en) * | 2016-04-07 | 2016-06-01 | 安徽鑫科新材料股份有限公司 | Manufacturing technique of high-temperature-oxidation-resistant brass |
| CN108405650A (en) * | 2018-03-05 | 2018-08-17 | 清远楚江铜业有限公司 | A kind of moxa-moxibustion box copper plate/strip processing technology |
| CN113426831A (en) * | 2021-05-30 | 2021-09-24 | 江阴艾力特机械制造有限公司 | Single-stand reversible rolling process for ultrathin wide copper strip |
-
2014
- 2014-07-15 CN CN201410334371.3A patent/CN104073681A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988351A (en) * | 2015-07-31 | 2015-10-21 | 中色奥博特铜铝业有限公司 | Brass strip for button and manufacturing method thereof |
| CN105624595A (en) * | 2016-04-07 | 2016-06-01 | 安徽鑫科新材料股份有限公司 | Manufacturing technique of high-temperature-oxidation-resistant brass |
| CN108405650A (en) * | 2018-03-05 | 2018-08-17 | 清远楚江铜业有限公司 | A kind of moxa-moxibustion box copper plate/strip processing technology |
| CN108405650B (en) * | 2018-03-05 | 2020-05-19 | 清远楚江铜业有限公司 | Processing technology of copper plate strip for moxibustion box |
| CN113426831A (en) * | 2021-05-30 | 2021-09-24 | 江阴艾力特机械制造有限公司 | Single-stand reversible rolling process for ultrathin wide copper strip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102658452B (en) | Processing method of copper strip used for copper steel composites | |
| CN103060542B (en) | Manufacturing method for low expansion alloy wide and thick plate | |
| CN104294088B (en) | A kind of manufacture method of bottle lid of cosmetics aluminium strip | |
| CN103014410B (en) | Copper alloy and fabrication method thereof | |
| CN101224544B (en) | Producing method of lead frame cuprum alloy strip with high strength and conductivity | |
| CN104073681A (en) | Production method for brass strip | |
| CN105689392A (en) | Production method for ultra-thin cold-rolled enamelled steel strips | |
| CN105331845B (en) | A kind of high-precision section copper alloy wire and its processing technology | |
| CN104988351B (en) | A kind of button brass band and preparation method thereof | |
| CN109082607A (en) | A kind of non-orientation silicon steel and its hot continuous rolling process | |
| CN104722595B (en) | Fine silver foil that a kind of wide cut is ultra-thin and manufacture method thereof | |
| CN104099493A (en) | Production technology for medical TA3 sheet materials | |
| CN105499300A (en) | Production technology of copper strip for lock | |
| CN104985016A (en) | Wide breadth ultra-thin pure gold foil belt and manufacturing method of wide breadth ultra-thin pure gold foil belt | |
| CN102719694A (en) | CuCrZr alloy material, preparation method thereof and method for preparing strips with same | |
| CN109261739A (en) | A kind of short route production wide cut is greater than 630mm transformer copper strip technique | |
| CN105327937A (en) | Magnesium alloy plate and strip rolling production line and rolling molding production method thereof | |
| CN105951016B (en) | A kind of short process making method of naval vessel TA5 titanium alloy medium-thick plates | |
| CN103730279B (en) | The manufacture method of compound silver band | |
| CN106238491A (en) | A kind of production technology of high-precision section copper strip | |
| CN109014091A (en) | A kind of production technology of high moulding brass band | |
| CN102329981B (en) | High-tensile property brass band for lamp holder and production process thereof | |
| CN102230107A (en) | Diamagnetic clothing brass band and manufacturing process thereof | |
| CN103700594A (en) | Method for producing specially-shaped micro-power mode copper alloy band of lead frame | |
| CN102921725B (en) | Non-oriented silicon steel hot rolled plate rolling method controlled through silicon equivalent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141001 |