CN104046810A - Making method of anti-fatigue copper alloy wire for automobile elastic element - Google Patents
Making method of anti-fatigue copper alloy wire for automobile elastic element Download PDFInfo
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- CN104046810A CN104046810A CN201410245700.7A CN201410245700A CN104046810A CN 104046810 A CN104046810 A CN 104046810A CN 201410245700 A CN201410245700 A CN 201410245700A CN 104046810 A CN104046810 A CN 104046810A
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 41
- 230000002929 anti-fatigue Effects 0.000 title claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 7
- 230000032683 aging Effects 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 42
- 238000010792 warming Methods 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 9
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000010455 vermiculite Substances 0.000 claims description 6
- 229910052902 vermiculite Inorganic materials 0.000 claims description 6
- 235000019354 vermiculite Nutrition 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 229940037003 alum Drugs 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 3
- 238000009749 continuous casting Methods 0.000 claims description 3
- 229910001610 cryolite Inorganic materials 0.000 claims description 3
- 239000006052 feed supplement Substances 0.000 claims description 3
- 235000012041 food component Nutrition 0.000 claims description 3
- 239000005417 food ingredient Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000005543 nano-size silicon particle Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 238000010223 real-time analysis Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000012266 salt solution Substances 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The invention discloses a making method of an anti-fatigue copper alloy wire for an automobile elastic element. The anti-fatigue copper alloy wire comprises 2-4wt% of Al, 1.2-2.4wt% of Sn, 0.5-1.5wt% of Ni, 0.6-0.12wt% of Zn, 0.4-0.8wt% of Sb, 0.25-0.35wt% of Bi, 0.03-0.06wt% of As, 0.015-0.025wt% of B, 0.01-0.02wt% of Pd, 0.005-0.015wt% of Ru, 0.02-0.03wt% of Er, 0.015-0.025wt% of Tb, 0.005-0.01wt% of P, and the balance Cu and inevitable impurities. The cooper alloy wire has the advantages of good fatigue resistance, no fracture after long term use, long service life, good wear resistance, high mechanical strength, high fatigue ageing resistance, low processing cost and the like.
Description
Technical field
The present invention relates to the preparation method of antifatigue copper alloy wire for a kind of vehicle spring element, belong to copper alloy manufacturing technology field.
Background technology
Copper alloy is the important materials of national economy, has good Dao electricity ﹑ Dao Re ﹑ ductility and solidity to corrosion, is widely used in vehicle spring element.But the fatigue resistance of existing copper alloy wire is poor, affect its work-ing life.
Summary of the invention
In order to solve the poor problem of existing copper alloy wire fatigue resistance, the invention provides the preparation method of antifatigue copper alloy wire for a kind of vehicle spring element, improve the anti-fatigue performance of copper alloy wire.
The technical solution used in the present invention is as follows:
A preparation method for antifatigue copper alloy wire for vehicle spring element, comprises the following steps:
(1) copper billet added in smelting furnace and be warming up to fusing at 1220-1280 ℃, being then warming up to 1300-1350 ℃, adding associated alloys food ingredient, stir, after whole fusings, temperature adjustment adds refining agent refining 20-30min to 1260-1320 ℃, after skimming, is incubated 15-20min; Again copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements: Al 2-4, Sn 1.2-2.4, Ni 0.5-1.5, Zn 0.6-0.12, Sb 0.4-0.8, Bi 0.25-0.35, As 0.03-0.06, B 0.015-0.025, Pd 0.01-0.02, Ru 0.005-0.015, Er 0.02-0.03, Tb 0.015-0.025, P 0.005-0.01, surplus is copper and inevitable impurity; After analysis, according to the weight percent of each component in formula, adjust feed supplement;
(2) copper alloy liquid temperature is adjusted to 1240-1280 ℃, then adopts continuous casting and rolling to become copper alloy bar, and the copper alloy bar making is warming up to 400-440 ℃ with 180-240 ℃/h speed, insulation 2-4h, with 80-100 ℃/h speed, be cooled to 220-260 ℃ again, insulation 4-6h, air cooling is to room temperature; Then with 150-200 ℃/h speed, be warming up to 350-380 ℃, insulation 3-4h, then be warming up to 580-640 ℃ with 160-220 ℃/h speed, insulation 2-3h, then with 160-190 ℃/h speed, be warming up to 940-980 ℃, insulation 1-2h; Then with 200-250 ℃/h speed, be cooled to 520-560 ℃, insulation 3-4h, then with 140-180 ℃/h speed, be cooled to 280-320 ℃, insulation 4-6h, with 0-3 ℃ of icy salt solution, be quenched to 150-170 ℃ again, then with drawing wire machine, copper alloy bar be drawn into copper alloy single line;
(3) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 130-160 ℃/h speed, be warming up to 280-320 ℃, insulation 3-5h, then with 100-120 ℃/h speed, be warming up to 440-480 ℃, insulation 1-2h; Then with 70-90 ℃/h speed, be cooled to 330-360 ℃, insulation 3-4h, then be cooled to 200-220 ℃ with 60-80 ℃/h speed, insulation 4-6h, then with 100-120 ℃/h speed, be warming up to 360-400 ℃, insulation 2-3h, with 85-95 ℃/h speed, be warming up to 520-560 ℃ again, insulation 1-2h; Then with 200-250 ℃/h speed, be cooled to 175-195 ℃, insulation 5-10h, air cooling is to room temperature.
The preparation method of described refining agent is as follows: a, get the raw material of following weight part: vermiculite 2-3, kaolin 4-6, carnallitite 3-5, Calcium Fluoride (Fluorspan) 2-3, manganese mud 3-6, potassium fluotitanate 2-4, alum powder 1.5-2.5, cryolite powder 2-3, nano-silicon nitride 1-2, Repone K 3-4, silane resin acceptor kh-550 1-2; B, vermiculite, kaolin, carnallitite are mixed to send at 520-550 ℃ and calcine 2-4h, take out and pulverized 200-300 mesh sieve; Add water making beating and make the slurries of 45-55%, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.0 of 15-20%, 2000-3000rpm speed lapping 20-30min, it is neutral that the sodium hydroxide solution that is 15-20% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 1500-2000rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
Beneficial effect of the present invention:
Copper alloy wire resistance to fatigue of the present invention is good, and life-time service does not rupture, long service life, and there is the advantages such as wear resistance is good, physical strength is high, highly anti-fatigue is aging, tooling cost is low.
Embodiment
A preparation method for antifatigue copper alloy wire for vehicle spring element, comprises the following steps:
(1) copper billet added in smelting furnace and be warming up to fusing at 1260 ℃, being then warming up to 1320 ℃, adding associated alloys food ingredient, stirring, after all melting, temperature adjustment to 1280 ℃ adds refining agent refining 25min, after skimming, is incubated 20min; Again copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements: Al 2-4, Sn 1.2-2.4, Ni 0.5-1.5, Zn 0.6-0.12, Sb 0.4-0.8, Bi 0.25-0.35, As 0.03-0.06, B 0.015-0.025, Pd 0.01-0.02, Ru 0.005-0.015, Er 0.02-0.03, Tb 0.015-0.025, P 0.005-0.01, surplus is copper and inevitable impurity; After analysis, according to the weight percent of each component in formula, adjust feed supplement;
(2) copper alloy liquid temperature is adjusted to 1250 ℃, then adopts continuous casting and rolling to become copper alloy bar, and the copper alloy bar making is warming up to 420 ℃ with 220 ℃/h speed, insulation 3h, then be cooled to 240 ℃ with 100 ℃/h speed, and insulation 5h, air cooling is to room temperature; Then with 180 ℃/h speed, be warming up to 360 ℃, insulation 3h, then be warming up to 620 ℃ with 20 ℃/h speed, insulation 2h, then with 180 ℃/h speed, be warming up to 960 ℃, insulation 1h; Then with 240 ℃/h speed, be cooled to 530 ℃, insulation 3h, then be cooled to 300 ℃ with 150 ℃/h speed, insulation 5h, then be quenched to 160 ℃ with 2 ℃ of icy salt solutions, then with drawing wire machine, copper alloy bar is drawn into copper alloy single line;
(3) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 140 ℃/h speed, be warming up to 290 ℃, insulation 4h, then with 110 ℃/h speed, be warming up to 450 ℃, insulation 1h; Then with 80 ℃/h speed, be cooled to 340 ℃, insulation 4h, then be cooled to 210 ℃ with 70 ℃/h speed, insulation 5h, then be warming up to 380 ℃ with 120 ℃/h speed, insulation 3h, then with 90 ℃/h speed, be warming up to 540 ℃, insulation 1h; Then with 240 ℃/h speed, be cooled to 180 ℃, insulation 6h, air cooling is to room temperature.
The preparation method of described refining agent is as follows: a, get the raw material of following weight (kg): vermiculite 2, kaolin 6, carnallitite 4, Calcium Fluoride (Fluorspan) 3, manganese mud 4, potassium fluotitanate 3, alum powder 2, cryolite powder 3, nano-silicon nitride 1.5, Repone K 3, silane resin acceptor kh-550 1.5; B, vermiculite, kaolin, carnallitite are mixed to send at 530 ℃ and calcine 3h, take out and pulverized 300 mesh sieves; Add water making beating and make 50% slurries, then add concentration and be 20% hydrochloric acid soln and regulate slurries PH=4.5,2000rpm speed lapping 30min, it is neutral that the sodium hydroxide solution that is 20% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 2000rpm high-speed stirring 6min, dry, pulverize, cross 400 mesh sieves.
The copper alloy wire making is through check, and its salient features is: tensile strength 485Mpa, yield strength is 366Mpa, unit elongation 18%.
Claims (2)
1. a preparation method for antifatigue copper alloy wire for vehicle spring element, is characterized in that comprising the following steps:
(1) copper billet added in smelting furnace and be warming up to fusing at 1220-1280 ℃, being then warming up to 1300-1350 ℃, adding associated alloys food ingredient, stir, after whole fusings, temperature adjustment adds refining agent refining 20-30min to 1260-1320 ℃, after skimming, is incubated 15-20min; Again copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements: Al 2-4, Sn 1.2-2.4, Ni 0.5-1.5, Zn 0.6-0.12, Sb 0.4-0.8, Bi 0.25-0.35, As 0.03-0.06, B 0.015-0.025, Pd 0.01-0.02, Ru 0.005-0.015, Er 0.02-0.03, Tb 0.015-0.025, P 0.005-0.01, surplus is copper and inevitable impurity; After analysis, according to the weight percent of each component in formula, adjust feed supplement;
(2) copper alloy liquid temperature is adjusted to 1240-1280 ℃, then adopts continuous casting and rolling to become copper alloy bar, and the copper alloy bar making is warming up to 400-440 ℃ with 180-240 ℃/h speed, insulation 2-4h, with 80-100 ℃/h speed, be cooled to 220-260 ℃ again, insulation 4-6h, air cooling is to room temperature; Then with 150-200 ℃/h speed, be warming up to 350-380 ℃, insulation 3-4h, then be warming up to 580-640 ℃ with 160-220 ℃/h speed, insulation 2-3h, then with 160-190 ℃/h speed, be warming up to 940-980 ℃, insulation 1-2h; Then with 200-250 ℃/h speed, be cooled to 520-560 ℃, insulation 3-4h, then with 140-180 ℃/h speed, be cooled to 280-320 ℃, insulation 4-6h, with 0-3 ℃ of icy salt solution, be quenched to 150-170 ℃ again, then with drawing wire machine, copper alloy bar be drawn into copper alloy single line;
Copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 130-160 ℃/h speed, be warming up to 280-320 ℃, insulation 3-5h, then with 100-120 ℃/h speed, be warming up to 440-480 ℃, insulation 1-2h; Then with 70-90 ℃/h speed, be cooled to 330-360 ℃, insulation 3-4h, then be cooled to 200-220 ℃ with 60-80 ℃/h speed, insulation 4-6h, then with 100-120 ℃/h speed, be warming up to 360-400 ℃, insulation 2-3h, with 85-95 ℃/h speed, be warming up to 520-560 ℃ again, insulation 1-2h; Then with 200-250 ℃/h speed, be cooled to 175-195 ℃, insulation 5-10h, air cooling is to room temperature.
2. the preparation method of antifatigue copper alloy wire for a kind of vehicle spring element according to claim 1, it is characterized in that, the preparation method of described refining agent is as follows: a, get the raw material of following weight part: vermiculite 2-3, kaolin 4-6, carnallitite 3-5, Calcium Fluoride (Fluorspan) 2-3, manganese mud 3-6, potassium fluotitanate 2-4, alum powder 1.5-2.5, cryolite powder 2-3, nano-silicon nitride 1-2, Repone K 3-4, silane resin acceptor kh-550 1-2; B, vermiculite, kaolin, carnallitite are mixed to send at 520-550 ℃ and calcine 2-4h, take out and pulverized 200-300 mesh sieve; Add water making beating and make the slurries of 45-55%, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.0 of 15-20%, 2000-3000rpm speed lapping 20-30min, it is neutral that the sodium hydroxide solution that is 15-20% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 1500-2000rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245700.7A CN104046810B (en) | 2014-06-05 | 2014-06-05 | A kind of preparation method of vehicle spring element resisting fatigue copper alloy wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410245700.7A CN104046810B (en) | 2014-06-05 | 2014-06-05 | A kind of preparation method of vehicle spring element resisting fatigue copper alloy wire |
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| Publication Number | Publication Date |
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| CN104046810A true CN104046810A (en) | 2014-09-17 |
| CN104046810B CN104046810B (en) | 2016-06-29 |
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| CN201410245700.7A Expired - Fee Related CN104046810B (en) | 2014-06-05 | 2014-06-05 | A kind of preparation method of vehicle spring element resisting fatigue copper alloy wire |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369060A (en) * | 2015-12-24 | 2016-03-02 | 常熟市易安达电器有限公司 | Flameproof power box for mine |
| CN105420536A (en) * | 2015-12-24 | 2016-03-23 | 常熟市易安达电器有限公司 | Flame-proof type power box for roadway |
| CN105420537A (en) * | 2015-12-24 | 2016-03-23 | 常熟市易安达电器有限公司 | Mine spray lance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149449A (en) * | 1984-12-24 | 1986-07-08 | Sumitomo Electric Ind Ltd | Lead frame composite material for semiconductor devices and its manufacturing method |
| EP0240513B1 (en) * | 1985-10-04 | 1991-01-30 | LONDON & SCANDINAVIAN METALLURGICAL CO LIMITED | Grain refining of copper-based alloys |
| CN1793394A (en) * | 2004-12-24 | 2006-06-28 | 株式会社神户制钢所 | Copper alloy having bendability and stress relaxation property |
| JP2010215976A (en) * | 2009-03-17 | 2010-09-30 | Furukawa Electric Co Ltd:The | Copper alloy sheet material |
-
2014
- 2014-06-05 CN CN201410245700.7A patent/CN104046810B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149449A (en) * | 1984-12-24 | 1986-07-08 | Sumitomo Electric Ind Ltd | Lead frame composite material for semiconductor devices and its manufacturing method |
| EP0240513B1 (en) * | 1985-10-04 | 1991-01-30 | LONDON & SCANDINAVIAN METALLURGICAL CO LIMITED | Grain refining of copper-based alloys |
| CN1793394A (en) * | 2004-12-24 | 2006-06-28 | 株式会社神户制钢所 | Copper alloy having bendability and stress relaxation property |
| JP2010215976A (en) * | 2009-03-17 | 2010-09-30 | Furukawa Electric Co Ltd:The | Copper alloy sheet material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369060A (en) * | 2015-12-24 | 2016-03-02 | 常熟市易安达电器有限公司 | Flameproof power box for mine |
| CN105420536A (en) * | 2015-12-24 | 2016-03-23 | 常熟市易安达电器有限公司 | Flame-proof type power box for roadway |
| CN105420537A (en) * | 2015-12-24 | 2016-03-23 | 常熟市易安达电器有限公司 | Mine spray lance |
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| CN104046810B (en) | 2016-06-29 |
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Effective date of registration: 20201110 Address after: 244000 No.2 workshop, no.3888, west section of Cuihu Sixth Road, Tongling City, Anhui Province Patentee after: Anhui Xinchen Automobile Manufacturing Co., Ltd Address before: 244061 Mount Huangshan Road, Tongling economic and Technological Development Zone, Anhui Patentee before: SHARP EXHIBITION (TONGLING) TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20160629 Termination date: 20210605 |