CN1962921A - Annealing process and device for use in production of copper clad aluminum or copper clad aluminum magnesium filaments - Google Patents
Annealing process and device for use in production of copper clad aluminum or copper clad aluminum magnesium filaments Download PDFInfo
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- CN1962921A CN1962921A CN 200610098120 CN200610098120A CN1962921A CN 1962921 A CN1962921 A CN 1962921A CN 200610098120 CN200610098120 CN 200610098120 CN 200610098120 A CN200610098120 A CN 200610098120A CN 1962921 A CN1962921 A CN 1962921A
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Abstract
The invention discloses an annealing technique and equipment of copper-in-aluminium or copper-in-aluminium magnesium yarn manufacturing course, which is characterized by the following: setting box-typed electric heating annealing furnace with furnace pipe in the annealing furnace along two ends of longitude furnace wall; setting the yarn inlet on one end of furnace pipe on the annealing furnace with yarn outlet as the other end; guiding yarn on the line shaft into furnace pipe through wheel; drawing the yarn out of furnace pipe; connecting yarn outlet on one end of furnace pipe and hydrogen source through three-way adaptor; setting the yarn inlet as igniting end; forming anti-oxidant in the furnace pipe; improving anti-extending strength and extending rate.
Description
Technical field
The present invention relates to the production technique and the equipment of lead, the production technique and the equipment of a kind of copper cover aluminum of more specifically saying so, aluminium in copper magnesium silk.
Background technology
Copper cover aluminum, aluminium in copper magnesium are the renewal products of fine copper lead, main " clad welded drawing " production technique that adopts, the finish rolling copper strips is coated on one heart the outside surface of aluminium bar heart yearn, by multi-pass drawing and thermal treatment, make the line footpath and the technical requirements of mechanics electric property that meet client's needs.Between copper layer and aluminium bar heart yearn, form firm metallurgical binding, and require its surface-brightening, rounding, zero defect, make copper-clad aluminum conductor have the characteristics that conduct electricity very well of the little and copper of the density of aluminium simultaneously.When this bimetallic wire is used for inner conductor, not only has very high signal transmission characteristics, and have advantages such as in light weight, that production cost is low, can be widely used in the cable TV signal transmission, the transmission of large vol communication network signal, control signal cable, light body vehicle cable, cabtyre cable, urgent removal cable, televisor drive coil, biography switch coil and ballast coil etc.
The technological process of production of copper alclad, aluminium in copper magnesium is: the finish rolling copper strips is coated on the outside surface of aluminium bar heart yearn with one heart, through tension and compression, comprise successively through in draw, rough, annealing, antioxidation treatment, dry take-up, inspection after construction again.At present, method for annealing and antioxidation treatment is, utilizing diamond mould after drawing deformation becomes specified dimension, silk thread is annealed the antioxidation treatment of carrying out subsequently with certain speed through the electrically heated box-annealing furnace in being added with the tank of antioxidant.Annealing and anti-oxidant making two bites at a cherry in this mode.But, the product of producing by this way, through quality examination, all at the edge of inner quality standard, performance perameter such as table 1 are listed for every technical parameter:
Table 1
| Title | Material | Silk footpath (mm) | Tensile strength (MPa) | Elongation (%) | ||
| Hard attitude (H) | Soft attitude (A) | Hard attitude (H) | Soft attitude (A) | |||
| CCA | 15A | φ0.15 | ?300-350 | ≥75 | 0.7-1.0 | ?3-5 |
| CCAM | 15H | φ0.15 | ?360-400 | ≥105 | 1.1-1.4 | ?6-8 |
The said products is put on market through manufacturer on probation, occurs the fracture of wire phenomenon in the unwrapping wire process.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, providing a kind of annealing process and equipment that is applied in copper cover aluminum or the production of aluminium in copper magnesium silk, to improve product performance such as tensile strength and elongation.
The technical scheme that technical solution problem of the present invention is adopted is:
The characteristics of annealing process of the present invention are in annealing process, are heated silk and are in the anti-oxidant atmosphere of hydrogen shield.
The characteristics of annealing process of the present invention also are:
Annealing temperature is set is 350-450 ℃, hydrogen pressure is that 0.3-1.0MPa, annealing time are 1.5 seconds-3.5 seconds.
The constructional feature of annealing device of the present invention is:
Box electrically heated annealing furnace is set, longitudinally run through the furnace wall, two ends in the annealing furnace and be provided with boiler tube, an end that is positioned at the boiler tube of annealing furnace outside is an incoming line, and the other end is a line outlet, and the raw silk on the paying out reel is introduced boiler tube through guide wheel from incoming line, and in line outlet, draw boiler tube, line outlet on the boiler tube at one end, insert hydrogen source gas by Y-junction through sub-cylinder, hydrogen charges in boiler tube from Y-junction, incoming line is set to the port of lighting a fire, and anti-oxidant atmosphere is formed in the boiler tube.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention makes product that good raising be arranged on tensile strength and unit elongation by the improvement of annealing process, the product surface light, and the silk footpath is uniform and smooth, no burr.Corresponding to the associated viscera of listing in the table 1, can obtain the correlation parameter listed as following table 2:
Table 2
| Material | Silk footpath (mm) | Tensile strength (MPa) | Elongation (%) | |||
| Hard attitude (H) | Soft attitude (A) | Hard attitude (H) | Soft attitude (A) | |||
| CCA | ?15A | φ0.15 | ?300-350 | ≥100 | ?0.7-1.0 | ?13-15 |
| CCAM | ?15H | φ0.15 | ?360-400 | ≥160 | ?1.1-1.4 | ?15-17 |
2, the present invention will anneal and the setting of equipment has been finished, simplified to anti-oxidant technology one step.
Description of drawings
Accompanying drawing is an annealing device structural representation of the present invention.
Number in the figure: 1 annealing furnace, 2 boiler tubes, 3 incoming lines, 4 line outlets, 5 paying out reels, 6 raw silks, 7 guide wheels, 8 Y-junctions, 9 sub-cylinders, 10 electrothermal tubes, 11 hygrosensors.
Below by embodiment, the invention will be further described in conjunction with the accompanying drawings:
Embodiment:
The present invention improves the production technique of existing copper cover aluminum or aluminium in copper magnesium silk; whole technology circuit is identical with prior art; comprise from starting material and check and accept beginning, draw with rough the process successively; utilize annealing process of the present invention again, in anti-oxidant atmosphere, raw silk is carried out anneal under the hydrogen shield.
Annealing temperature is set 350-450 ℃ scope, can specifically be chosen as 350 ℃, 360 ℃, 370 ℃, 380 ℃, 400 ℃, 420 ℃ or 440 ℃ etc.; Hydrogen pressure is 0.3-1.0MPa, can specifically be chosen as 0.3MPa, 0.4MPa, 0.5MPa, 0.6MPa, 0.7MPa, 0.8MPa, 0.9MPa or 1.0MPa; Annealing time is 1.5 seconds-3.5 seconds, specifically can be chosen as 1.5 seconds, 1.6 seconds, 1.8 seconds, 2 seconds, 2.2 seconds, 2.5 seconds, 2.8 seconds, 3.0 seconds, 3.2 seconds or 3.5 seconds etc.
For different line footpaths, above-mentioned each processing parameter is listed as table 3 for example:
Table 3
| Line footpath (mm) | Temperature (℃) | Speed (m/s) | Time (s) | Hydrogen pressure (MPa) |
| 0.1-0.15 | ?350-450 | ?3-4 | ?1.5-2 | ?0.3-0.5 |
| 0.16-0.20 | ?400-450 | ?2-3 | ?2-2.5 | ?0.5-0.8 |
| 0.21-0.30 | ?420-450 | ?1.5-2 | ?2.5-3.5 | ?0.8-1.0 |
Referring to accompanying drawing, setting is the box electrically heated annealing furnace 1 of heater element with electrothermal tube 10, longitudinally run through the furnace wall, two ends in the annealing furnace 1 and be provided with boiler tube 2, an end that is positioned at the boiler tube 2 of annealing furnace 1 outside is an incoming line 3, the other end is a line outlet 4, raw silk 6 on the paying out reel 5 is introduced in the boiler tube 2 from incoming line 3 through guide wheel 7, and in line outlet 3, draw boiler tube 2, on 3 boiler tubes 2 at one end of line outlet, insert hydrogen source gas by Y-junction 8 through sub-cylinder 9, hydrogen charges in boiler tube 2 from Y-junction 8, and incoming line 4 is set to the port of lighting a fire, and anti-oxidant atmosphere is formed in the boiler tube 2.
In concrete the enforcement, adopting stainless steel boiler tube 2, hydrogen is that front end at sub-cylinder 9 is come by the ammonia preparation by hydrogen making machine, and conventional setting also comprises hygrosensor 11, take-up speed transmitter etc., and relevant information passes to the air inlet control section.
Claims (3)
1, is applied to copper cover aluminum or the aluminium in copper magnesium silk annealing process in producing, it is characterized in that in annealing process, be heated silk and be in the anti-oxidant atmosphere of hydrogen shield.
2, copper cover aluminum or the aluminium in copper magnesium silk annealing process in producing that is applied to according to claim 1, it is characterized in that being provided with annealing temperature and be 350-450 ℃, hydrogen pressure is that 0.3-1.0MPa, annealing time are 1.5 seconds-3.5 seconds.
3, be applied to the annealing device in the production of copper cover aluminum or aluminium in copper magnesium silk, it is characterized in that being provided with box electrically heated annealing furnace (1), longitudinally run through the furnace wall, two ends in the annealing furnace (1) and be provided with boiler tube (2), an end that is positioned at the outside boiler tube (2) of annealing furnace (1) is incoming line (3), the other end is line outlet (4), raw silk (6) on the paying out reel (5) is introduced in the boiler tube (2) from incoming line (3) through guide wheel (7), and in line outlet (4), draw boiler tube (2), described line outlet (4) on the boiler tube (2) at one end, insert hydrogen source gas by Y-junction (8) through sub-cylinder (9), hydrogen charges in boiler tube (2) from Y-junction (8), described incoming line (3) is set to the port of lighting a fire, and anti-oxidant atmosphere is formed in the described boiler tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100981205A CN100494465C (en) | 2006-11-29 | 2006-11-29 | Annealing process and device for use in production of copper clad aluminum or copper clad aluminum magnesium filaments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100981205A CN100494465C (en) | 2006-11-29 | 2006-11-29 | Annealing process and device for use in production of copper clad aluminum or copper clad aluminum magnesium filaments |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101815076A Division CN101429632B (en) | 2006-11-19 | 2006-11-19 | Annealing equipment used in copper cladding aluminum or aluminum cladding copper magnesium thread production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1962921A true CN1962921A (en) | 2007-05-16 |
| CN100494465C CN100494465C (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100981205A Expired - Fee Related CN100494465C (en) | 2006-11-29 | 2006-11-29 | Annealing process and device for use in production of copper clad aluminum or copper clad aluminum magnesium filaments |
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| CN (1) | CN100494465C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580896B (en) * | 2009-06-26 | 2010-12-29 | 西北有色金属研究院 | Roller-to-roller thermal treatment device and method for NiW alloy base belt for coated conductor |
| CN102382972A (en) * | 2011-10-21 | 2012-03-21 | 无锡博睿奥克电气有限公司 | Single-tubular gas protection fiber thermal treatment device |
| CN102864297A (en) * | 2012-09-29 | 2013-01-09 | 苏州宇邦新型材料有限公司 | Annealing furnace of copper strips for solar photovoltaic solder strip |
| CN102952935A (en) * | 2011-08-26 | 2013-03-06 | 日立金属株式会社 | Thermal treatment device of metal wire |
| CN107385189A (en) * | 2017-07-10 | 2017-11-24 | 北京科技大学 | A kind of heat treatment method of austenitic stainless steel wires |
| CN109727727A (en) * | 2018-12-29 | 2019-05-07 | 福建南平太阳电缆股份有限公司 | Continuous annealing formula copper conductor annealing process after strand |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB585674A (en) * | 1944-07-11 | 1947-02-18 | Herbert Edward Holman | Improvements in or relating to the manufacture of wire coils |
| US3537493A (en) * | 1967-05-24 | 1970-11-03 | Texas Instruments Inc | Method of forming and heat treating a composite wire |
-
2006
- 2006-11-29 CN CNB2006100981205A patent/CN100494465C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580896B (en) * | 2009-06-26 | 2010-12-29 | 西北有色金属研究院 | Roller-to-roller thermal treatment device and method for NiW alloy base belt for coated conductor |
| CN102952935A (en) * | 2011-08-26 | 2013-03-06 | 日立金属株式会社 | Thermal treatment device of metal wire |
| CN102382972A (en) * | 2011-10-21 | 2012-03-21 | 无锡博睿奥克电气有限公司 | Single-tubular gas protection fiber thermal treatment device |
| CN102864297A (en) * | 2012-09-29 | 2013-01-09 | 苏州宇邦新型材料有限公司 | Annealing furnace of copper strips for solar photovoltaic solder strip |
| CN107385189A (en) * | 2017-07-10 | 2017-11-24 | 北京科技大学 | A kind of heat treatment method of austenitic stainless steel wires |
| CN109727727A (en) * | 2018-12-29 | 2019-05-07 | 福建南平太阳电缆股份有限公司 | Continuous annealing formula copper conductor annealing process after strand |
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|---|---|
| CN100494465C (en) | 2009-06-03 |
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Granted publication date: 20090603 Termination date: 20121129 |