CN101834010A - Production process for irregularly shaped brass bar for communication - Google Patents
Production process for irregularly shaped brass bar for communication Download PDFInfo
- Publication number
- CN101834010A CN101834010A CN200910025323A CN200910025323A CN101834010A CN 101834010 A CN101834010 A CN 101834010A CN 200910025323 A CN200910025323 A CN 200910025323A CN 200910025323 A CN200910025323 A CN 200910025323A CN 101834010 A CN101834010 A CN 101834010A
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- Prior art keywords
- ingot
- sawing
- communication
- temperature
- furnace
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- 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.)
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Links
- 229910001369 Brass Inorganic materials 0.000 title claims abstract description 14
- 239000010951 brass Substances 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000011701 zinc Substances 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000005266 casting Methods 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 238000003723 Smelting Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Extrusion Of Metal (AREA)
Abstract
The invention discloses a production process for an irregularly shaped brass bar for communication. The brass bar consists of the following components in percentage by weight: 65 percent of electrolytic copper and 35 percent of zinc. The production process comprises the following steps: performing smelting in a low-frequency furnace at the temperature of between 1,100 and 1,160 DEG C; semi-continuously casting a round ingot at a rate between 250 and 300r/min, a vibration frequency of 400r/min and an amplitude of 3 to 4mm; sawing the ingot; heating the ingot with a heating furnace to a temperature between 760 and 780 DEG C; extruding the ingot with an extruder at a rate of 0.5 to 1m/s and stripping the ingot by 1 to 1.5mm; rolling the ingot with a primary rolling machine, drawing the ingot and annealing the ingot in a vacuum furnace respectively, wherein the annealing temperature is 580 to 600 DEG C; preserving the heat for 3 hours; cooling ingot along with the furnace at the vacuum degree of 10 to 1Pa; rolling the ingot with a secondary rolling machine and drawing the ingot; aligning the ingot to ensure that the non-flatness is less than 0.2 and the lateral curvature is less than 1mm/m; sawing the ingot with a sawing machine; considering the product to be qualified when the surface has no scratch, pit, air hole or the like; and packaging and warehousing the product. The production process has high plasticity, high strength, high cutting processing, high welding performance and high corrosion resistance and meets the requirements of the high-technology irregularly shaped brass bar for communication.
Description
Technical field: the production technology that the present invention relates to irregularly shaped brass bar for communication.
Background technology:, also more and more higher to the quality requirement of irregularly shaped brass bar for communication along with the improving constantly and develop of the communication technology.It is poor that present irregularly shaped brass bar for communication exists plasticity, and intensity is low, all undesirable problem of machinability, weldability and corrosion resistance.
Summary of the invention: purpose of the present invention is exactly the production technology that a kind of irregularly shaped brass bar for communication will be provided, and it can overcome the existing problem of present irregularly shaped brass bar for communication well.The object of the present invention is achieved like this, and the production technology of irregularly shaped brass bar for communication is characterized in that: composition and weight ratio are wherein Cu+ Trace Ag content 〉=99.95% of cathode copper 65%, and zinc 35% is Zn content 〉=99.99% wherein; Enter the low-frequency furnace melting, smelting temperature 1100-1160 ℃; On-the-spot sample analysis is got sample and is detected copper content 64%-68%, and zinc content 32%-36% is qualified; D.C.casting cast billet, casting speed 250-300 rev/min, 400 rev/mins of vibration frequencies, amplitude 3-4mm; Sawing, sawing length 250mm; The heating furnace heating, 760-780 ℃ of ingot blank heating-up temperature; The extruder extruding, extrusion speed 0.5-1 meter per second, decortication thickness 1-1.5mm; Section bar is one-step forming just, and whether check extruding size adheres to specification; Cut off; The head rolling machine dog; Drawing for the first time, whether check each several part size adheres to specification; Vacuum furnace annealing, is incubated 3 hours, with stove cooling, vacuum degree 10 by annealing temperature 580-600 ℃
-1Pa; Clean and the secondary dog; Drawing for the second time, whether the check face size meets the drawing requirement; Nonflatness ∠ 0.2 is guaranteed in straightening, lateral bending ∠ 1mm/m; The sawing machine sawing; It is qualified that the check surface does not have scuffing, no pit, no sand holes, anaerobic turns to; The packing warehouse-in.Plasticity of the present invention is good, the intensity height, and machinability, welding performance and corrosion resisting property satisfy the requirement of the irregularly shaped brass bar for communication of high-tech.
Embodiment:
The production technology of irregularly shaped brass bar for communication is characterized in that: composition and weight ratio are wherein Cu+ Trace Ag content 〉=99.95% of cathode copper 65%, and zinc 35% is Zn content 〉=99.99% wherein; Enter the low-frequency furnace melting, smelting temperature 1100-1160 ℃; On-the-spot sample analysis is got sample and is detected copper content 64%-68%, and zinc content 32%-36% is qualified; D.C.casting cast billet, casting speed 250-300 rev/min, 400 rev/mins of vibration frequencies, amplitude 3-4mm; Sawing, sawing length 250mm; The heating furnace heating, 760-780 ℃ of ingot blank heating-up temperature; The extruder extruding, extrusion speed 0.5-1 meter per second, decortication thickness 1-1.5mm; Section bar is one-step forming just, and whether check extruding size adheres to specification; Cut off; The head rolling machine dog; Drawing for the first time, whether check each several part size adheres to specification; Vacuum furnace annealing, is incubated 3 hours, with stove cooling, vacuum degree 10 by annealing temperature 580-600 ℃
-1Pa; Clean and the secondary dog; Drawing for the second time, whether the check face size meets the drawing requirement; Nonflatness ∠ 0.2 is guaranteed in straightening, lateral bending ∠ 1mm/m; The sawing machine sawing; It is qualified that the check surface does not have scuffing, no pit, no sand holes, anaerobic turns to; The packing warehouse-in.During concrete enforcement, press composition and ratio requirement, prepare each component, when entering the low-frequency furnace melting, need be sequentially added into and stir and make uniform ingredients, add the copper melting earlier according to required total weight, treat the copper fusing after, zincification again, smelting temperature is controlled at 1130 ℃; Sample is got in on-the-spot sample analysis, detects copper content 66% with thick sub-absorption apparatus, and zinc content 34% is qualified; D.C.casting cast billet adopts
The circle crystallizer, crystallizer inner metal liquid face covers with dewatering borax, 275 rev/mins of casting speeds, 400 rev/mins of vibration frequencies, amplitude 3.5mm; Sawing detects the ingot blank quality, sawing length 250mm; Heating furnace heating, with recipient preheat temperature to 350 ℃, 770 ℃ of ingot blank heating-up temperatures are guaranteed the internal and external temperature unanimity earlier; The extruder extruding, extrusion speed 0.75 meter per second, decortication thickness 1.2mm; Section bar is one-step forming just, and whether check extruding size adheres to specification; Cut off; The head rolling machine dog; Drawing for the first time, whether check each several part size adheres to specification; Vacuum furnace annealing, 590 ℃ of annealing temperatures are incubated 3 hours, with stove cooling, vacuum degree 10
-1Pa; Clean and the secondary dog; Drawing for the second time, whether the check face size meets the drawing requirement; Nonflatness ∠ 0.2 is guaranteed in straightening, lateral bending ∠ 1mm/m; The sawing machine sawing; Check by the figure requirement, detects the each several part size with projecting apparatus, micrometer, clearance gauge, and it is qualified that the check surface does not have scuffing, no pit, no sand holes, anaerobic turns to; The packing warehouse-in.
Claims (1)
1. the production technology of irregularly shaped brass bar for communication, it is characterized in that: composition and weight ratio are wherein Cu+ Trace Ag content 〉=99.95% of cathode copper 65%, and zinc 35% is Zn content 〉=99.99% wherein; Enter the low-frequency furnace melting, smelting temperature 1100-1160 ℃; On-the-spot sample analysis is got sample and is detected copper content 64%-68%, and zinc content 32%-36% is qualified; D.C.casting cast billet, casting speed 250-300 rev/min, 400 rev/mins of vibration frequencies, amplitude 3-4mm; Sawing, sawing length 250mm; The heating furnace heating, 760-780 ℃ of ingot blank heating-up temperature; The extruder extruding, extrusion speed 0.5-1 meter per second, decortication thickness 1-1.5mm; Section bar is one-step forming just, and whether check extruding size adheres to specification; Cut off; The head rolling machine dog; Drawing for the first time, whether check each several part size adheres to specification; Vacuum furnace annealing, is incubated 3 hours, with stove cooling, vacuum degree 10 by annealing temperature 580-600 ℃
-1Pa; Clean and the secondary dog; Drawing for the second time, whether the check face size meets the drawing requirement; Nonflatness ∠ 0.2 is guaranteed in straightening, lateral bending ∠ 1mm/m; The sawing machine sawing; It is qualified that the check surface does not have scuffing, no pit, no sand holes, anaerobic turns to; The packing warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910025323 CN101834010B (en) | 2009-03-10 | 2009-03-10 | Production process for irregularly shaped brass bar for communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910025323 CN101834010B (en) | 2009-03-10 | 2009-03-10 | Production process for irregularly shaped brass bar for communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101834010A true CN101834010A (en) | 2010-09-15 |
| CN101834010B CN101834010B (en) | 2013-10-02 |
Family
ID=42718048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910025323 Expired - Fee Related CN101834010B (en) | 2009-03-10 | 2009-03-10 | Production process for irregularly shaped brass bar for communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101834010B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350299A (en) * | 2017-07-31 | 2017-11-17 | 尚成荣 | A kind of monocrystalline conductive copper bus-bar extrusion forming processing method |
| CN108393370A (en) * | 2018-01-23 | 2018-08-14 | 江西广信新材料股份有限公司 | A kind of battery plus-negative plate leading-out terminal copper bar material production technology |
| CN111036882A (en) * | 2019-12-17 | 2020-04-21 | 江西云泰铜业有限公司 | Method for processing special-shaped copper bar |
| CN114367792A (en) * | 2022-01-25 | 2022-04-19 | 中国铁建重工集团股份有限公司 | Machining method for main bearing retainer of super-huge type tunneling machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100369711C (en) * | 2005-05-31 | 2008-02-20 | 江阴市华西铜业有限公司 | Manufacturing method of high performance antioxidation environmental protection copper raft |
| CN101259484A (en) * | 2007-03-05 | 2008-09-10 | 浙江宏天铜业有限公司 | Scrap copper continuous casting and rolling low oxygen glitter copper lever production technology |
-
2009
- 2009-03-10 CN CN 200910025323 patent/CN101834010B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350299A (en) * | 2017-07-31 | 2017-11-17 | 尚成荣 | A kind of monocrystalline conductive copper bus-bar extrusion forming processing method |
| CN107350299B (en) * | 2017-07-31 | 2018-12-18 | 尚成荣 | A kind of monocrystalline conductive copper bus-bar extrusion forming processing method |
| CN108393370A (en) * | 2018-01-23 | 2018-08-14 | 江西广信新材料股份有限公司 | A kind of battery plus-negative plate leading-out terminal copper bar material production technology |
| CN108393370B (en) * | 2018-01-23 | 2021-06-22 | 江西广信新材料股份有限公司 | Production process of copper bar for positive and negative electrode leading-out terminals of battery |
| CN111036882A (en) * | 2019-12-17 | 2020-04-21 | 江西云泰铜业有限公司 | Method for processing special-shaped copper bar |
| CN114367792A (en) * | 2022-01-25 | 2022-04-19 | 中国铁建重工集团股份有限公司 | Machining method for main bearing retainer of super-huge type tunneling machine |
| CN114367792B (en) * | 2022-01-25 | 2023-08-08 | 中国铁建重工集团股份有限公司 | Machining method of main bearing retainer of oversized heading machine |
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| Publication number | Publication date |
|---|---|
| CN101834010B (en) | 2013-10-02 |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20191126 Address after: No.58 Jingyi Road, Chengbei Park, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province Patentee after: Jiangsu hung bell new Mstar Technology Ltd Address before: 214500 Jingjiang city of Jiangsu Province Jing Town Zhenwu River No. 18 Patentee before: Sun Jiangqiang |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20200310 |