CN104046840B - A kind of preparation method of electronic automobile meter Albrac line - Google Patents
A kind of preparation method of electronic automobile meter Albrac line Download PDFInfo
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- CN104046840B CN104046840B CN201410245959.1A CN201410245959A CN104046840B CN 104046840 B CN104046840 B CN 104046840B CN 201410245959 A CN201410245959 A CN 201410245959A CN 104046840 B CN104046840 B CN 104046840B
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Abstract
The preparation method that the invention discloses a kind of electronic automobile meter Albrac line, is the percentage by weight of its each elemental composition as follows: Zn 5.2-6.4, Al 2.4-3.3, Sn 0.8-1.4, Fe 0.5-1, Bi 0.03-0.05, Co 0.02-0.03, Ni 0.04-0.07, Ge 0.015-0.025, As 0.02-0.03, B 0.005-0.015, Ce 0.02-0.04, Gd 0.01-0.02, P 0.01-0.02, surplus is copper and inevitable impurity. The present invention is by adding the elements such as Ge, As, Ce, Gd of the elements such as appropriate Sn, Ni, Al and trace in ormolu, improve mechanical strength and the decay resistance of copper zinc alloy wire, the copper alloy wire highly corrosion resistant prepared, can under soda acid, high salt media environment life-time service, do not affect its electric conductivity.
Description
Technical field
The preparation method that the present invention relates to a kind of electronic automobile meter Albrac line, belongs to copper alloy manufacturing technology field.
Background technology
Copper alloy is the important materials of national economy, has excellent electric conductivity heat conductivity ductility and corrosion resistance, and extensive use is in electronic automobile meter. But the more use ormolu of existing copper alloy wire, although having physical mechanical system energy and the machinability of excellence in this kind of copper alloy, but its chemical resistance is poor, it is impossible to life-time service under the environment such as salt fog, acid rain, sea water.
Summary of the invention
It is an object of the invention under the premise of the mechanical strength and electric conductivity that ensure copper alloy wire, it is provided that the preparation method of a kind of electronic automobile meter Albrac line.
The technical solution used in the present invention is as follows:
The preparation method of a kind of electronic automobile meter Albrac line, comprises the following steps:
(1) melt at copper billet being added in smelting furnace and is warming up to 1160-1220 DEG C, then heat to 1230-1260 DEG C, add associated alloys food ingredient, stir, after all fusings, homoiothermic adds refining agent refine 20-30min to 1150-1200 DEG C, is incubated 15-20min after skimming; Copper alloy liquid carries out stokehold chemistry more quickly analyze so that in copper alloy liquid, the percentage by weight of each elemental composition meets the following requirements:
Zn5.2-6.4, Al2.4-3.3, Sn0.8-1.4, Fe0.5-1, Bi0.03-0.05, Co0.02-0.03, Ni0.04-0.07, Ge0.015-0.025, As0.02-0.03, B0.005-0.015, Ce0.02-0.04, Gd0.01-0.02, P0.01-0.02, surplus is copper and inevitable impurity; After analysis, the percentage by weight according to component each in formula adjusts feed supplement;
(2) putting into the fusing of Si-Mn-Pr-Ta alloy block by the 0.2-0.4% of copper billet charged material weight in stove, in alloy block, the mass ratio of Si, Mn, Pr, Ta element is 2-4:3-5:0.3-0.6:0.4-0.8, stirs 35-45min;Then homoiothermic is to 1220-1250 DEG C, adds refining agent refine 15-20min, is incubated 10-15min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, wire drawing machine to be drawn into copper alloy single line;
(4) copper alloy wire is sent in heat-treatment furnace and carry out Ageing Treatment: first with 120-150 DEG C/h ramp to 280-320 DEG C, be incubated 3-4h, then with 60-80 DEG C/h ramp to 400-420 DEG C, be incubated 2-3h; Then it is cooled to 240-260 DEG C with 80-100 DEG C/h speed, is incubated 4-5h; Then quenching 50-60 DEG C of water, be incubated 5-8h, then with 100-120 DEG C/h ramp to 320-350 DEG C, be incubated 3-4h, then be cooled to 180-200 DEG C with 70-90 DEG C/h speed, be incubated 4-6h, air cooling is to room temperature.
The preparation method of described refining agent is as follows: a, take the raw material of following weight portion: meerschaum 3-5, fluorite 1-2, montmorillonite 2-3, sodium carbonate 3-4, prodan 4-6, vanadium diboride 2-2.5, schmigel 1-2, tree ash 2-3, nano-silicon nitride 1.5-2.5, silane resin acceptor kh-550 1-2; B, meerschaum, fluorite, montmorillonite mix homogeneously are sent into calcining 3-5h at 510-540 DEG C, take out and pulverized 200-300 mesh sieve; The serosity of 40-50% is made in the making beating that adds water, then add the hydrochloric acid solution that concentration is 10-15% and regulate serosity PH=4.5-5.5,2000-3000rpm speed lapping 20-30min, it is neutral for regulating lapping liquid pH value with the sodium hydroxide solution that concentration is 15-20%, and spray drying obtains powder, adds all the other raw materials, 1000-1500rpm high-speed stirred 5-10min, dry, pulverize, cross 300-400 mesh sieve.
Beneficial effects of the present invention:
The present invention is by adding the elements such as Ge, As, Ce, Gd of the elements such as appropriate Sn, Ni, Al and trace in ormolu, improve mechanical strength and the decay resistance of copper zinc alloy wire, the copper alloy wire highly corrosion resistant prepared, can under soda acid, high salt media environment life-time service, do not affect its electric conductivity.
Detailed description of the invention
The preparation method of a kind of electronic automobile meter Albrac line, comprises the following steps:
(1) adding in smelting furnace by copper billet and be warming up at 1220 DEG C and melt, then heat to 1260 DEG C, add associated alloys food ingredient, stir, after all fusings, homoiothermic adds refining agent refine 30min to 1180 DEG C, is incubated 20min after skimming; Copper alloy liquid carries out stokehold chemistry more quickly analyze, the percentage by weight of each elemental composition in copper alloy liquid being met the following requirements: Zn5.2-6.4, Al2.4-3.3, Sn0.8-1.4, Fe0.5-1, Bi0.03-0.05, Co0.02-0.03, Ni0.04-0.07, Ge0.015-0.025, As0.02-0.03, B0.005-0.015, Ce0.02-0.04, Gd0.01-0.02, P0.01-0.02, surplus is copper and inevitable impurity; After analysis, the percentage by weight according to component each in formula adjusts feed supplement;
(2) putting into the fusing of Si-Mn-Pr-Ta alloy block by the 0.3% of copper billet charged material weight in stove, in alloy block, the mass ratio of Si, Mn, Pr, Ta element is 3:5:0.3:0.5, stirs 40min; Then homoiothermic is to 1240 DEG C, adds refining agent refine 18min, is incubated 12min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, wire drawing machine to be drawn into copper alloy single line;
(4) copper alloy wire is sent in heat-treatment furnace and carry out Ageing Treatment: first with 130 DEG C/h ramp to 320 DEG C, be incubated 3h, then with 70 DEG C/h ramp to 410 DEG C, be incubated 2h;Then it is cooled to 250 DEG C with 100 DEG C/h speed, is incubated 4h; Then quenching 50 DEG C of water, be incubated 6h, then with 120 DEG C/h ramp to 340 DEG C, be incubated 3h, then be cooled to 180 DEG C with 80 DEG C/h speed, be incubated 5h, air cooling is to room temperature.
The preparation method of described refining agent is as follows: a, take the raw material of following weight (kg): meerschaum 4, fluorite 2, montmorillonite 2, sodium carbonate 4, prodan 5, vanadium diboride 2, schmigel 1.5, tree ash 2, nano-silicon nitride 2, silane resin acceptor kh-550 1.5; B, meerschaum, fluorite, montmorillonite mix homogeneously are sent into calcining 4h at 530 DEG C, take out and pulverized 200 mesh sieves; The serosity of 45% is made in the making beating that adds water, then add the hydrochloric acid solution that concentration is 15% and regulate serosity PH=4.5,3000rpm speed lapping 20min, it is neutral for regulating lapping liquid pH value with the sodium hydroxide solution that concentration is 15%, and spray drying obtains powder, adds all the other raw materials, 1500rpm high-speed stirred 5min, dry, pulverize, cross 300 mesh sieves.
The copper alloy wire prepared is through inspection, and its main performance is: tensile strength 498Mpa, and yield strength is 374Mpa, elongation percentage 18%, conductivity IACS(20 DEG C) 91%.
Claims (1)
1. the electronic automobile meter preparation method of Albrac line, it is characterised in that comprise the following steps:
(1) melt at copper billet being added in smelting furnace and is warming up to 1160-1220 DEG C, then heat to 1230-1260 DEG C, add associated alloys food ingredient, stir, after all fusings, homoiothermic adds refining agent refine 20-30min to 1150-1200 DEG C, is incubated 15-20min after skimming; Copper alloy liquid carries out stokehold chemistry more quickly analyze so that in copper alloy liquid, the percentage by weight of each elemental composition meets the following requirements:
Zn5.2-6.4, Al2.4-3.3, Sn0.8-1.4, Fe0.5-1, Bi0.03-0.05, Co0.02-0.03, Ni0.04-0.07, Ge0.015-0.025, As0.02-0.03, B0.005-0.015, Ce0.02-0.04, Gd0.01-0.02, P0.01-0.02, surplus is copper and inevitable impurity; After analysis, the percentage by weight according to component each in formula adjusts feed supplement;
(2) putting into the fusing of Si-Mn-Pr-Ta alloy block by the 0.2-0.4% of copper billet charged material weight in stove, in alloy block, the mass ratio of Si, Mn, Pr, Ta element is 2-4:3-5:0.3-0.6:0.4-0.8, stirs 35-45min; Then homoiothermic is to 1220-1250 DEG C, adds refining agent refine 15-20min, is incubated 10-15min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, wire drawing machine to be drawn into copper alloy single line;
(4) copper alloy wire is sent in heat-treatment furnace and carry out Ageing Treatment: first with 120-150 DEG C/h ramp to 280-320 DEG C, be incubated 3-4h, then with 60-80 DEG C/h ramp to 400-420 DEG C, be incubated 2-3h; Then it is cooled to 240-260 DEG C with 80-100 DEG C/h speed, is incubated 4-5h; Then quenching 50-60 DEG C of water, be incubated 5-8h, then with 100-120 DEG C/h ramp to 320-350 DEG C, be incubated 3-4h, then be cooled to 180-200 DEG C with 70-90 DEG C/h speed, be incubated 4-6h, air cooling is to room temperature;
The preparation method of described refining agent is as follows: a, take the raw material of following weight portion: meerschaum 3-5, fluorite 1-2, montmorillonite 2-3, sodium carbonate 3-4, prodan 4-6, vanadium diboride 2-2.5, schmigel 1-2, tree ash 2-3, nano-silicon nitride 1.5-2.5, silane resin acceptor kh-550 1-2;B, meerschaum, fluorite, montmorillonite mix homogeneously are sent into calcining 3-5h at 510-540 DEG C, take out and pulverized 200-300 mesh sieve; The serosity of 40-50% is made in the making beating that adds water, then add the hydrochloric acid solution that concentration is 10-15% and regulate serosity pH=4.5-5.5,2000-3000rpm speed lapping 20-30min, it is neutral for regulating lapping liquid pH value with the sodium hydroxide solution that concentration is 15-20%, and spray drying obtains powder, adds all the other raw materials, 1000-1500rpm high-speed stirred 5-10min, dry, pulverize, cross 300-400 mesh sieve.
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| CN105483424A (en) * | 2016-02-01 | 2016-04-13 | 东莞品派实业投资有限公司 | Anti-corrosion aluminum alloy wire for motormeter and preparation method thereof |
| CN108118168B (en) * | 2017-12-21 | 2020-10-09 | 四川航天职业技术学院 | Forming method of ultrahigh-temperature wear-resistant alloy |
| CN110735062B (en) * | 2019-11-27 | 2020-10-30 | 深圳市神州线缆有限公司 | Corrosion-resistant tensile copper alloy wire and production process thereof |
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| CN103352140A (en) * | 2013-07-01 | 2013-10-16 | 铜陵兴怡金属材料有限公司 | High-strength high-conductivity heatproof copper alloy wire rod and preparation method thereof |
| CN103834875A (en) * | 2014-03-13 | 2014-06-04 | 安徽菲茵特电梯有限公司 | Anti-corrosion elastic alloy material and preparation method thereof |
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| CN103352140A (en) * | 2013-07-01 | 2013-10-16 | 铜陵兴怡金属材料有限公司 | High-strength high-conductivity heatproof copper alloy wire rod and preparation method thereof |
| CN103834875A (en) * | 2014-03-13 | 2014-06-04 | 安徽菲茵特电梯有限公司 | Anti-corrosion elastic alloy material and preparation method thereof |
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Effective date of registration: 20201103 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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