CN110184477A - A kind of high processing method for leading copper bar of automotive wire bundle - Google Patents
A kind of high processing method for leading copper bar of automotive wire bundle Download PDFInfo
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- CN110184477A CN110184477A CN201910630925.7A CN201910630925A CN110184477A CN 110184477 A CN110184477 A CN 110184477A CN 201910630925 A CN201910630925 A CN 201910630925A CN 110184477 A CN110184477 A CN 110184477A
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- copper
- processing method
- copper bar
- oxygen scavenger
- wire bundle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Continuous Casting (AREA)
Abstract
The present invention relates to oxygen-free copper bar preparation technical fields, and disclose a kind of high processing method for leading copper bar of automotive wire bundle, it comprises the following production steps that and 1) chooses high pure electrolytic copper, then (particle, sour mark, patina and sand-lime etc.) is handled to the surface defect of the cathode copper, it is put into shaft furnace and is melted after processed, 2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then oxygen scavenger is placed in shaft furnace again and is melted together with copper material, be then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench.The processing method that automotive wire bundle height leads copper bar carries out melting to cathode copper by shaft furnace, using high temperature melting, the oxide after being oxidized in copper material can be effectively removed by adding oxygen scavenger, the matrix purity for improving copper liquid, to improve the clarity of copper wire after being produced into copper wire.
Description
Technical field
The present invention relates to oxygen-free copper bar preparation technical field, specially a kind of high processing side for leading copper bar of automotive wire bundle
Method.
Background technique
Copper bar is mainly used for the raw material produced as wire and cable, and it is at present using more electricity that height, which leads copper wire cable,
One of cable.As present automotive wire bundle requires increasingly lightweight, signal transduction to complicate, therefore the conduction to conductor copper wire
Stable, anti-interference requires higher and higher.
However copper wire clarity made of conventional copper bar is low, electric conductivity sensibility is insufficient and conducting wire flexibility is insufficient, therefore
Need to research and develop a kind of new copper bar.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of high processing method for leading copper bar of automotive wire bundle, has high-ductility
Property, the advantages that matrix purity is high and manufactured copper wire plasticity is good, solve that copper wire clarity is low, electric conductivity sensibility is insufficient and
The problem of conducting wire flexibility deficiency.
(2) technical solution
To realize that above-mentioned high tenacity, matrix purity is high and the good purpose of manufactured copper wire plasticity, the present invention provide following technology
Scheme: a kind of high processing method for leading copper bar of automotive wire bundle comprises the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed.
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then again by oxygen scavenger
It is melted together with copper material in merging shaft furnace, is then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, diversion trench and copper liquid casting ladle
Junction be provided with filter, oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, the oxygen scavenger include with
It is lower at being grouped as: lanthanum 35%~50%, cerium 15%~20%, six calcium borides 13%~28%, praseodymium 5%~10%, sodium hydroxide 15%~20%.
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold, copper liquid by the gate for opening copper liquid casting ladle
In continuous cast mold in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous casting knot
The intensity of cooling of brilliant device.
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then conveyed copper base
Enter in milling train, is rolled into oxygen-free copper bar.
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, after then annealing
Copper bar pull into the copper wire that diameter is 2mm in advance, and anneal again, obtained copper wire be subjected to multi pass drawing after annealing, and real
Interruption annealing is applied, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain most
The copper wire of diameter needed for end.
Preferably, the oxygen scavenger includes the raw material of following parts by weight proportion: lanthanum 33%~48%, cerium 15%~20%, six
Calcium boride 13%~28%, praseodymium 6%~11%, sodium hydroxide 17%~22%.
Preferably, the oxygen scavenger includes the raw material of following parts by weight proportion: lanthanum 38%~53%, cerium 15%~20%, six
Calcium boride 12%~27%, praseodymium 5%~10%, sodium hydroxide 16%~21%.
Preferably, the oxygen scavenger includes the raw material of following parts by weight proportion: lanthanum 35%~50%, cerium 15%~20%, six
Calcium boride 13%~28%, praseodymium 4%~9%, sodium hydroxide 16%~21%.
Preferably, the oxygen scavenger includes the raw material of following parts by weight proportion: lanthanum 35%~50%, cerium 14%~19%, six
Calcium boride 13%~28%, praseodymium 5%~10%, sodium hydroxide 16%~21%.
Preferably, the oxygen scavenger includes the raw material of following parts by weight proportion: lanthanum 35%~50%, cerium 15%~20%, six
Calcium boride 14%~29%, praseodymium 5%~10%, sodium hydroxide 16%~21%.
Preferably, the oxygen scavenger includes the raw material of following parts by weight proportion: lanthanum 36%~51%, cerium 15%~20%, six
Calcium boride 14%~29%, praseodymium 5%~10%, sodium hydroxide 15%~20%.
Preferably, the oxygen scavenger includes the raw material of following parts by weight proportion: lanthanum 36%~51%, cerium 13%~18%, six
Calcium boride 15%~30%, praseodymium 6%~11%, sodium hydroxide 15%~20%.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of high processing method for leading copper bar of automotive wire bundle, have following beneficial
Effect:
1, the high processing method for leading copper bar of the automotive wire bundle carries out melting to cathode copper by shaft furnace, using high temperature melting, leads to
The oxide after being oxidized in copper material can effectively be removed by crossing addition oxygen scavenger, the matrix purity of copper liquid be improved, to be given birth to
After producing into copper wire, the clarity of copper wire is improved.
2, the high processing method for leading copper bar of the automotive wire bundle, is cast using forging method, passes through high-intensitive sectional
It is cooling, greatly improve the toughness and crystal grain refinement degree of copper base, using the drawing mode of optimization, promoted annealing uniformity and
Completeness improves the flexibility of copper wire.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one: a kind of high processing method for leading copper bar of automotive wire bundle comprises the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed.
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then again by oxygen scavenger
It is melted together with copper material in merging shaft furnace, is then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, diversion trench and copper liquid casting ladle
Junction be provided with filter, oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, oxygen scavenger include below at
It is grouped as: lanthanum 45%, cerium 15%, six calcium borides 16%, praseodymium 7%, sodium hydroxide 17%.
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold, copper liquid by the gate for opening copper liquid casting ladle
In continuous cast mold in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous casting knot
The intensity of cooling of brilliant device.
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then conveyed copper base
Enter in milling train, is rolled into oxygen-free copper bar.
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, after then annealing
Copper bar pull into the copper wire that diameter is 2mm in advance, and anneal again, obtained copper wire be subjected to multi pass drawing after annealing, and real
Interruption annealing is applied, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain most
The copper wire of diameter needed for end.
Embodiment two: a kind of high processing method for leading copper bar of automotive wire bundle comprises the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed.
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then again by oxygen scavenger
It is melted together with copper material in merging shaft furnace, is then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, diversion trench and copper liquid casting ladle
Junction be provided with filter, oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, oxygen scavenger include below at
It is grouped as: lanthanum 43%, cerium 16%, six calcium borides 15%, praseodymium 7%, sodium hydroxide 19%.
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold, copper liquid by the gate for opening copper liquid casting ladle
In continuous cast mold in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous casting knot
The intensity of cooling of brilliant device.
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then conveyed copper base
Enter in milling train, is rolled into oxygen-free copper bar.
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, after then annealing
Copper bar pull into the copper wire that diameter is 2mm in advance, and anneal again, obtained copper wire be subjected to multi pass drawing after annealing, and real
Interruption annealing is applied, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain most
The copper wire of diameter needed for end.
Embodiment three: a kind of high processing method for leading copper bar of automotive wire bundle comprises the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed.
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then again by oxygen scavenger
It is melted together with copper material in merging shaft furnace, is then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, diversion trench and copper liquid casting ladle
Junction be provided with filter, oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, oxygen scavenger include below at
It is grouped as: lanthanum 40%, cerium 15%, six calcium borides 16%, praseodymium 9%, sodium hydroxide 20%.
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold, copper liquid by the gate for opening copper liquid casting ladle
In continuous cast mold in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous casting knot
The intensity of cooling of brilliant device.
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then conveyed copper base
Enter in milling train, is rolled into oxygen-free copper bar.
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, after then annealing
Copper bar pull into the copper wire that diameter is 2mm in advance, and anneal again, obtained copper wire be subjected to multi pass drawing after annealing, and real
Interruption annealing is applied, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain most
The copper wire of diameter needed for end.
Example IV: a kind of high processing method for leading copper bar of automotive wire bundle comprises the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed.
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then again by oxygen scavenger
It is melted together with copper material in merging shaft furnace, is then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, diversion trench and copper liquid casting ladle
Junction be provided with filter, oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, oxygen scavenger include below at
It is grouped as: lanthanum 43%, cerium 18%, six calcium borides 15%, praseodymium 7%, sodium hydroxide 17%.
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold, copper liquid by the gate for opening copper liquid casting ladle
In continuous cast mold in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous casting knot
The intensity of cooling of brilliant device.
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then conveyed copper base
Enter in milling train, is rolled into oxygen-free copper bar.
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, after then annealing
Copper bar pull into the copper wire that diameter is 2mm in advance, and anneal again, obtained copper wire be subjected to multi pass drawing after annealing, and real
Interruption annealing is applied, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain most
The copper wire of diameter needed for end.
Embodiment five: a kind of high processing method for leading copper bar of automotive wire bundle comprises the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed.
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then again by oxygen scavenger
It is melted together with copper material in merging shaft furnace, is then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, diversion trench and copper liquid casting ladle
Junction be provided with filter, oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, oxygen scavenger include below at
It is grouped as: lanthanum 45%, cerium 15%, six calcium borides 16%, praseodymium 7%, sodium hydroxide 17%.
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold, copper liquid by the gate for opening copper liquid casting ladle
In continuous cast mold in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous casting knot
The intensity of cooling of brilliant device.
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then conveyed copper base
Enter in milling train, is rolled into oxygen-free copper bar.
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, after then annealing
Copper bar pull into the copper wire that diameter is 2mm in advance, and anneal again, obtained copper wire be subjected to multi pass drawing after annealing, and real
Interruption annealing is applied, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain most
The copper wire of diameter needed for end.
Embodiment six: a kind of high processing method for leading copper bar of automotive wire bundle comprises the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed.
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then again by oxygen scavenger
It is melted together with copper material in merging shaft furnace, is then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, diversion trench and copper liquid casting ladle
Junction be provided with filter, oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, oxygen scavenger include below at
It is grouped as: lanthanum 38%, cerium 18%, six calcium borides 18%, praseodymium 9%, sodium hydroxide 17%.
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold, copper liquid by the gate for opening copper liquid casting ladle
In continuous cast mold in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous casting knot
The intensity of cooling of brilliant device.
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then conveyed copper base
Enter in milling train, is rolled into oxygen-free copper bar.
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, after then annealing
Copper bar pull into the copper wire that diameter is 2mm in advance, and anneal again, obtained copper wire be subjected to multi pass drawing after annealing, and real
Interruption annealing is applied, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain most
The copper wire of diameter needed for end.
Embodiment seven: a kind of high processing method for leading copper bar of automotive wire bundle comprises the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed.
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, then again by oxygen scavenger
It is melted together with copper material in merging shaft furnace, is then lifted out the temperature in fusing storehouse in shaft furnace to 1100~1200 °C.
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, diversion trench and copper liquid casting ladle
Junction be provided with filter, oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, oxygen scavenger include below at
It is grouped as: lanthanum 39%, cerium 17%, six calcium borides 19%, praseodymium 8%, sodium hydroxide 17%.
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold, copper liquid by the gate for opening copper liquid casting ladle
In continuous cast mold in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous casting knot
The intensity of cooling of brilliant device.
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then conveyed copper base
Enter in milling train, is rolled into oxygen-free copper bar.
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, after then annealing
Copper bar pull into the copper wire that diameter is 2mm in advance, and anneal again, obtained copper wire be subjected to multi pass drawing after annealing, and real
Interruption annealing is applied, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain most
The copper wire of diameter needed for end.
In conclusion melting is carried out to cathode copper by shaft furnace, it, can be effective by addition oxygen scavenger using high temperature melting
Oxide after being oxidized in removal copper material, improves the matrix purity of copper liquid, to improve copper wire after being produced into copper wire
Clarity, cast with forging method, cooling by high-intensitive sectional, toughness and the crystal grain for greatly improving copper base are thin
Change degree is promoted the uniformity and completeness of annealing, is improved the flexibility of copper wire using the drawing mode of optimization.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of high processing method for leading copper bar of automotive wire bundle, which is characterized in that comprise the following production steps that
1) high pure electrolytic copper is chosen, (particle, sour mark, patina and sand-lime then are handled to the surface defect of the cathode copper
Deng), it is put into shaft furnace and is melted after processed,
2) in copper material fusion process, 25~30min first is preheated to copper material under 300~500 °C, is then again placed in oxygen scavenger
It is melted with copper material together in shaft furnace, is then lifted out the temperature for melting storehouse in shaft furnace to 1100~1200 °C,
3) copper liquid after melting is released by discharge port, is flowed into copper liquid casting ladle through diversion trench, the company of diversion trench and copper liquid casting ladle
The place of connecing is provided with filter, and oxygen scavenger and the oxygen scavenger oxide after being oxidized are removed, the oxygen scavenger include below at
It is grouped as: lanthanum 35%~50%, cerium 15%~20%, six calcium borides 13%~28%, praseodymium 5%~10%, sodium hydroxide 15%~20%,
4) internal copper liquid, then continuously, is uniformly poured into continuous cast mold by the gate for opening copper liquid casting ladle, and copper liquid is even
It casts in crystallizer in cooling procedure, the circulation of cooling water is kept in the water injection pipe of continuous cast mold, guarantees continuous cast mold
Intensity of cooling,
5) it after copper liquid condenses into solid in continuous cast mold, is pulled out and copper base is made, then copper base is conveyed into and is rolled
In machine, it is rolled into oxygen-free copper bar,
6) manufactured oxygen-free copper bar is cleaned, is delivered in vacuum drying oven and is kept the temperature after cleaning, then by the copper after annealing
Bar pulls into diameter in advance and is the copper wire of 2mm, and anneals again, obtained copper wire is carried out multi pass drawing after annealing, and between implementation
Disconnected annealing, is made annealing treatment after each drawing, so that copper wire is cooled to 70-80 degree, then dried up, to obtain final institute
Need the copper wire of diameter.
2. the high processing method for leading copper bar of a kind of automotive wire bundle according to claim 1, which is characterized in that the deoxygenation
Agent includes the raw material of following parts by weight proportion: lanthanum 33%~48%, cerium 15%~20%, six calcium borides 13%~28%, praseodymium 6%~
11%, sodium hydroxide 17%~22%.
3. the high processing method for leading copper bar of a kind of automotive wire bundle according to claim 1, which is characterized in that the deoxygenation
Agent includes the raw material of following parts by weight proportion: lanthanum 38%~53%, cerium 15%~20%, six calcium borides 12%~27%, praseodymium 5%~
10%, sodium hydroxide 16%~21%.
4. a kind of oxygen scavenger high processing method for leading copper bar of automotive wire bundle according to claim 1, which is characterized in that institute
State the raw material that oxygen scavenger includes following parts by weight proportion: lanthanum 35%~50%, cerium 15%~20%, six calcium borides 13%~28%, praseodymium
4%~9%, sodium hydroxide 16%~21%.
5. the high processing method for leading copper bar of a kind of automotive wire bundle according to claim 1, which is characterized in that the deoxygenation
Agent includes the raw material of following parts by weight proportion: lanthanum 35%~50%, cerium 14%~19%, six calcium borides 13%~28%, praseodymium 5%~
10%, sodium hydroxide 16%~21%.
6. the high processing method for leading copper bar of a kind of automotive wire bundle according to claim 1, which is characterized in that the deoxygenation
Agent includes the raw material of following parts by weight proportion: lanthanum 35%~50%, cerium 15%~20%, six calcium borides 14%~29%, praseodymium 5%~
10%, sodium hydroxide 16%~21%.
7. the high processing method for leading copper bar of a kind of automotive wire bundle according to claim 1, which is characterized in that the deoxygenation
Agent includes the raw material of following parts by weight proportion: lanthanum 36%~51%, cerium 15%~20%, six calcium borides 14%~29%, praseodymium 5%~
10%, sodium hydroxide 15%~20%.
8. the high processing method for leading copper bar of a kind of automotive wire bundle according to claim 1, which is characterized in that the deoxygenation
Agent includes the raw material of following parts by weight proportion: lanthanum 36%~51%, cerium 13%~18%, six calcium borides 15%~30%, praseodymium 6%~
11%, sodium hydroxide 15%~20%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408631A (en) * | 2020-01-16 | 2020-07-14 | 浙江久立电气材料有限公司 | Manufacturing process of high-voltage-resistant precise wire suitable for new energy automobile |
| CN113774229A (en) * | 2021-09-08 | 2021-12-10 | 虹华科技股份有限公司 | Processing technology of high-strength high-conductivity high-purity copper wire |
| CN115654490A (en) * | 2022-10-31 | 2023-01-31 | 杭州富通集团有限公司 | Protective gas supply device for oxygen-free copper rod production |
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| CN111408631A (en) * | 2020-01-16 | 2020-07-14 | 浙江久立电气材料有限公司 | Manufacturing process of high-voltage-resistant precise wire suitable for new energy automobile |
| CN113774229A (en) * | 2021-09-08 | 2021-12-10 | 虹华科技股份有限公司 | Processing technology of high-strength high-conductivity high-purity copper wire |
| CN113774229B (en) * | 2021-09-08 | 2023-11-28 | 虹华科技股份有限公司 | Processing technology of high-strength high-conductivity high-purity copper wire |
| CN115654490A (en) * | 2022-10-31 | 2023-01-31 | 杭州富通集团有限公司 | Protective gas supply device for oxygen-free copper rod production |
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Application publication date: 20190830 |