CN106893885A - A kind of manufacturing process of copper-coppernickel compensating conductor B alloy wire - Google Patents

A kind of manufacturing process of copper-coppernickel compensating conductor B alloy wire Download PDF

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Publication number
CN106893885A
CN106893885A CN201710150962.9A CN201710150962A CN106893885A CN 106893885 A CN106893885 A CN 106893885A CN 201710150962 A CN201710150962 A CN 201710150962A CN 106893885 A CN106893885 A CN 106893885A
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mentioned
copper
wire
alloy wire
silk material
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CN106893885B (en
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华庆生
秦凌
张忠年
卢长征
季万昌
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Xinguo Group Co Ltd
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Xinguo Group Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C9/00Alloys based on copper
    • C22C9/06Alloys based on copper with nickel or cobalt as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/10Alloys containing non-metals
    • C22C1/1036Alloys containing non-metals starting from a melt
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08Changing 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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Conductive Materials (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

A kind of manufacturing process of copper-coppernickel compensating conductor B alloy wire, is related to B alloy wire processing technique field, including main material to select, refine ingot casting, forge hot rolling, cold-drawn wire drawing, heat treatment, product inspection, storage;The beneficial effects of the invention are as follows:Present invention determine that using rational process equipment, it is aided with corresponding process parameters selection, carry out Contra wire and be processed preparation, the measurable temperature range of Contra wire of preparation is 0 100 DEG C, can effectively substitute upper nickel chromium triangle or the nickel silicon alloy silk in market, and cost is low, measurement is accurate, stability is strong, the problem that B alloy wire involves great expense in the effective current technology for solving, and is easy to promote and uses.

Description

A kind of manufacturing process of copper-coppernickel compensating conductor B alloy wire
Technical field
The present invention relates to B alloy wire processing technique field, and in particular to a kind of manufacture work of copper-coppernickel compensating conductor B alloy wire Skill.
Background technology
Thermocouple is the temperature element commonly used in temperature measuring instrument, its direct measurement temperature, and temperature signal is changed Into thermo-electromotive force signal, the temperature of measured medium, the normal pole because of needs of profile of various thermocouples are converted into by electric meter Differ, but their basic structure is roughly the same, is generally made up of major parts such as thermocouple wire and terminal boxes, generally and Display instrument, recording apparatus and electronic controller are supported the use, thermocouple its be mainly used in liquid, steam, gas medium and The measurement of surface of solids temperature equitemperature, in actual application, B alloy wire is typically all using nickel chromium triangle or nisiloy to thermocouple Rationally processed, but nickel chromium triangle or nisiloy are when preparation is processed, and because its actual material cost is higher, directly lead Cause the actual cost of B alloy wire high, and nickel chromium triangle or nisiloy are in actual use, are adapted to the use of ultra-high temperature, In a low temperature of general, using nickel chromium triangle or nickel silicon alloy silk, undoubtedly waste one's talent on a petty job, be also not directed to adopt at present on the market The nickel chromium triangle or nisiloy for carrying out substituting costliness with other materials carry out B alloy wire preparation, therefore this technical essential, are at this stage Need the technical barrier for breaking through.
The content of the invention:
The technical problems to be solved by the invention are that a kind of technological process of offer is simple and easy to apply, the accurate copper of processing method The manufacturing process of nickel compensating wire B alloy wire.
The technical problems to be solved by the invention are realized using following technical scheme:
A kind of manufacturing process of copper-coppernickel compensating conductor B alloy wire, it is characterised in that comprise the following steps:
1) raw material is chosen:Copper coin 79.45%, nickel plate 20%, metallic silicon 0.5%, rhenium metal 0.05% are taken, then by nickel Plate, copper coin cleaning are dried behind surface, cut into bulk, are put into 200 DEG C of drying in oven standby;Metallic silicon is broken into ± 3cm's Particle, is then placed in 200 DEG C of dry for standby;Rhenium metal is broken into the particle of ± 1cm, is put into hermetically sealed can, completely cuts off aeroseal Preserve;
2) according to the proportional quantity in step 1, use precision to weigh above-mentioned copper coin and nickel plate for the electronic scale of 0.005kg, claim It is put into after good standby in 200 DEG C of baking ovens;It is electronic balance weighing metallic silicon, the rhenium metal of 0.01g to use precision, is put into after weighing up It is standby in 200 DEG C of baking oven;
3) copper coin and nickel plate are placed in the Magnesia crucible of 25kg vacuum intermediate-frequency induction melting furnaces, and are ensured in shove charge Tight upper pine under furnace charge, in the hopper that metallic silicon and rhenium metal are placed in above crucible, closes bell and vacuumizes, and starts melting to major ingredient Refining is transferred to after melting completely, refining adds auxiliary material to shake up after terminating, calm a moment starts cast, cast end treats that molten steel is cooled down After solidification forming, open bell and take out ingot casting;
4) ingot casting in above-mentioned steps 3 be placed in calcining furnace and be heated to 600-650 DEG C, and be incubated 30min, then Ingot casting is taken out, it is that the foursquare side's bars of 4cm × 4cm are stand-by quickly to be forged to section using 750kg pneumatic hammers;
5) above-mentioned side's bar is placed in calcining furnace and is heated to 550-600 DEG C, and after being incubated 20min, be then rolled into diameter The wire rod of 6-7mm;
6) above-mentioned wire rod is carried out into drawing process, is first polished before drawing, remove flash removed and overlap, according to reducing rate 0.85 drawing 15 to 20 times repeatedly, until trimmed size, stops drawing;
7) above-mentioned finished product silk material is cleaned, well annealing furnace is put into after then drying, from flue after good seal bell Bottom is filled with ammonolysis craft purified gases, and after air is completely exhausted out in flue, unnecessary hydrogen is burnt in the exhaust outlet igniting at bell Gas.Turned on the power after igniting and be warming up to 500-600 DEG C, and be incubated 2h, insulation closes power supply after terminating, and allows silk material furnace cooling;
8) after above-mentioned steps 7 are heat-treated, visually observe silk material surface whether there is greasy dirt, crackle, burr, with miking silk Whether material diameter, circularity meet standard requirement, and each intercepted length in silk material two ends is no less than 1 meter of sample detection thermo-electromotive force and uniformly Property whether meet standard requirement;
9) above-mentioned silk material after the assay was approved, is divided per parcel material and is tied up at three firmly, is hung up properly the quality certification and is used barrier material bag Finished product storage is handled after wrapping up in.
B alloy wire prepared by the present invention:
1. nickel chromium triangle, nisiloy compensating wire B alloy wire, can be substituted in the range of 0-100 DEG C to use;
2., new material chemical composition is corronil, and copper accounts for main component, greatly reduces the cost of raw material, valuable Lattice advantage, more conducively product seize market;
3., in production technology, it is necessary to heating several operations heating temperature be greatly lowered, energy saving meets environmental protection It is required that;
4., compared to nickel chromium triangle or nisiloy, new material profit margin is big, can create more profits taxes for country, and economic benefit shows Write.
The beneficial effects of the invention are as follows:Present invention determine that using rational process equipment, it is aided with corresponding process parameters choosing Select, carry out Contra wire and be processed preparation, the measurable temperature range of Contra wire of preparation is 0-100 DEG C, Ke Yiyou The upper nickel chromium triangle or nickel silicon alloy silk in the replacement market of effect, cost are low, and measurement is accurate, and stability is strong, effective to solve Current technology in the problem that involves great expense of B alloy wire, be easy to promote and use.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
A kind of manufacturing process of copper-coppernickel compensating conductor B alloy wire, comprises the following steps:
1) raw material is chosen:Copper coin 79.45%, nickel plate 20%, metallic silicon 0.5%, rhenium metal 0.05% are taken, then by nickel Plate, copper coin cleaning are dried behind surface, cut into bulk, are put into 200 DEG C of drying in oven standby;Metallic silicon is broken into ± 3cm's Particle, is then placed in 200 DEG C of dry for standby;Rhenium metal is broken into the particle of ± 1cm, is put into hermetically sealed can, completely cuts off aeroseal Preserve;
2) according to the proportional quantity in step 1, use precision to weigh above-mentioned copper coin and nickel plate for the electronic scale of 0.005kg, claim It is put into after good standby in 200 DEG C of baking ovens;It is electronic balance weighing metallic silicon, the rhenium metal of 0.01g to use precision, is put into after weighing up It is standby in 200 DEG C of baking oven;
3) copper coin and nickel plate are placed in the Magnesia crucible of 25kg vacuum intermediate-frequency induction melting furnaces, and are ensured in shove charge Tight upper pine under furnace charge, in the hopper that metallic silicon and rhenium metal are placed in above crucible, closes bell and vacuumizes, and starts melting to major ingredient Refining is transferred to after melting completely, refining adds auxiliary material to shake up after terminating, calm a moment starts cast, cast end treats that molten steel is cooled down After solidification forming, open bell and take out ingot casting;
4) ingot casting in above-mentioned steps 3 be placed in calcining furnace and be heated to 600 DEG C, and be incubated 30min, then taken out Ingot casting, it is that the foursquare side's bars of 4cm × 4cm are stand-by quickly to be forged to section using 750kg pneumatic hammers;
5) above-mentioned side's bar is placed in calcining furnace and is heated to 550 DEG C, and after being incubated 20min, be then rolled into diameter 7mm's Wire rod;
6) above-mentioned wire rod is carried out into drawing process, is first polished before drawing, remove flash removed and overlap, according to reducing rate 0.85 drawing 15 to 20 times repeatedly, until trimmed size, stops drawing;
7) above-mentioned finished product silk material is cleaned, well annealing furnace is put into after then drying, from flue after good seal bell Bottom is filled with ammonolysis craft purified gases, and after air is completely exhausted out in flue, unnecessary hydrogen is burnt in the exhaust outlet igniting at bell Gas.Turned on the power after igniting and be warming up to 500 DEG C, and be incubated 2h, insulation closes power supply after terminating, and allows silk material furnace cooling;
8) after above-mentioned steps 7 are heat-treated, visually observe silk material surface whether there is greasy dirt, crackle, burr, with miking silk Whether material diameter, circularity meet standard requirement, and each intercepted length in silk material two ends is no less than 1 meter of sample detection thermo-electromotive force and uniformly Property whether meet standard requirement;
9) above-mentioned silk material after the assay was approved, is divided per parcel material and is tied up at three firmly, is hung up properly the quality certification and is used barrier material bag Finished product storage is handled after wrapping up in.
Embodiment 2
A kind of manufacturing process of copper-coppernickel compensating conductor B alloy wire, comprises the following steps:
1) raw material is chosen:Copper coin 79.45%, nickel plate 20%, metallic silicon 0.5%, rhenium metal 0.05% are taken, then by nickel Plate, copper coin cleaning are dried behind surface, cut into bulk, are put into 200 DEG C of drying in oven standby;Metallic silicon is broken into ± 3cm's Particle, is then placed in 200 DEG C of dry for standby;Rhenium metal is broken into the particle of ± 1cm, is put into hermetically sealed can, completely cuts off aeroseal Preserve;
2) according to the proportional quantity in step 1, use precision to weigh above-mentioned copper coin and nickel plate for the electronic scale of 0.005kg, claim It is put into after good standby in 200 DEG C of baking ovens;It is electronic balance weighing metallic silicon, the rhenium metal of 0.01g to use precision, is put into after weighing up It is standby in 200 DEG C of baking oven;
3) copper coin and nickel plate are placed in the Magnesia crucible of 25kg vacuum intermediate-frequency induction melting furnaces, and are ensured in shove charge Tight upper pine under furnace charge, in the hopper that metallic silicon and rhenium metal are placed in above crucible, closes bell and vacuumizes, and starts melting to major ingredient Refining is transferred to after melting completely, refining adds auxiliary material to shake up after terminating, calm a moment starts cast, cast end treats that molten steel is cooled down After solidification forming, open bell and take out ingot casting;
4) ingot casting in above-mentioned steps 3 be placed in calcining furnace and be heated to 600 DEG C, and be incubated 30min, then taken out Ingot casting, it is that the foursquare side's bars of 4cm × 4cm are stand-by quickly to be forged to section using 750kg pneumatic hammers;
5) above-mentioned side's bar is placed in calcining furnace and is heated to 550 DEG C, and after being incubated 20min, be then rolled into diameter 6mm's Wire rod;
6) above-mentioned wire rod is carried out into drawing process, is first polished before drawing, remove flash removed and overlap, according to reducing rate 0.85 drawing 15 to 20 times repeatedly, until trimmed size, stops drawing;
7) above-mentioned finished product silk material is cleaned, well annealing furnace is put into after then drying, from flue after good seal bell Bottom is filled with ammonolysis craft purified gases, and after air is completely exhausted out in flue, unnecessary hydrogen is burnt in the exhaust outlet igniting at bell Gas.Turned on the power after igniting and be warming up to 500 DEG C, and be incubated 2h, insulation closes power supply after terminating, and allows silk material furnace cooling;
8) after above-mentioned steps 7 are heat-treated, visually observe silk material surface whether there is greasy dirt, crackle, burr, with miking silk Whether material diameter, circularity meet standard requirement, and each intercepted length in silk material two ends is no less than 1 meter of sample detection thermo-electromotive force and uniformly Property whether meet standard requirement;
9) above-mentioned silk material after the assay was approved, is divided per parcel material and is tied up at three firmly, is hung up properly the quality certification and is used barrier material bag Finished product storage is handled after wrapping up in.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its Equivalent thereof.

Claims (1)

1. a kind of manufacturing process of copper-coppernickel compensating conductor B alloy wire, it is characterised in that comprise the following steps:
1) raw material is chosen:Copper coin 79.45%, nickel plate 20%, metallic silicon 0.5%, rhenium metal 0.05% are taken, then by nickel plate, copper Plate cleaning is dried behind surface, cuts into bulk, is put into 200 DEG C of drying in oven standby;Metallic silicon is broken into the particle of ± 3cm, It is then placed in 200 DEG C of dry for standby;Rhenium metal is broken into the particle of ± 1cm, is put into hermetically sealed can, and isolation aeroseal is preserved;
2) according to the proportional quantity in step 1, precision is used to weigh above-mentioned copper coin and nickel plate for the electronic scale of 0.005kg, after weighing up It is put into standby in 200 DEG C of baking ovens;It is electronic balance weighing metallic silicon, the rhenium metal of 0.01g to use precision, and 200 are put into after weighing up DEG C baking oven in it is standby;
3) copper coin and nickel plate are placed in the Magnesia crucible of 25kg vacuum intermediate-frequency induction melting furnaces, and ensure furnace charge in shove charge Lower tight upper pine, in the hopper that metallic silicon and rhenium metal are placed in above crucible, closes bell and vacuumizes, and starts melting complete to major ingredient Refining is transferred to after thawing, refining adds auxiliary material to shake up after terminating, calm a moment starts cast, molten steel cooled and solidified is treated in cast end After shaping, open bell and take out ingot casting;
4) ingot casting in above-mentioned steps 3 be placed in calcining furnace and be heated to 600-650 DEG C, and be incubated 30min, then taken out Ingot casting, it is that the foursquare side's bars of 4cm × 4cm are stand-by quickly to be forged to section using 750kg pneumatic hammers;
5) above-mentioned side's bar is placed in calcining furnace and is heated to 550-600 DEG C, and after being incubated 20min, be then rolled into diameter 6-7mm Wire rod;
6) above-mentioned wire rod is carried out into drawing process, is first polished before drawing, remove flash removed and overlap, it is anti-according to reducing rate 0.85 Multiple drawing 15 to 20 times, until trimmed size, stops drawing;
7) above-mentioned finished product silk material is cleaned, well annealing furnace is put into after then drying, from flue bottom after good seal bell Ammonolysis craft purified gases are filled with, after air is completely exhausted out in flue, surplus hydrogen is burnt in the exhaust outlet igniting at bell. Turned on the power after igniting and be warming up to 500-600 DEG C, and be incubated 2h, insulation closes power supply after terminating, and allows silk material furnace cooling;
8) after above-mentioned steps 7 are heat-treated, visually observe silk material surface whether there is greasy dirt, crackle, burr, it is straight with miking silk material Whether footpath, circularity meet standard requirement, and each intercepted length in silk material two ends is no less than 1 meter of sample detection thermo-electromotive force and uniformity It is no to meet standard requirement;
9) above-mentioned silk material after the assay was approved, is divided per parcel material and is tied up at three firmly, hangs up properly the quality certification and with after barrier material parcel Handle finished product storage.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108441674A (en) * 2018-04-12 2018-08-24 江阴市诚信合金材料有限公司 Contra wire and its production system
CN109013740A (en) * 2018-07-13 2018-12-18 金川集团股份有限公司 A kind of pure nickel silk material short route preparation process
CN109266902A (en) * 2018-10-10 2019-01-25 安徽鑫国合金有限公司 A kind of manufacturing process of sensor copper-coppernickel compensating conductor alloy wire
CN109518015A (en) * 2018-10-10 2019-03-26 安徽鑫国合金有限公司 A kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology
CN109518016A (en) * 2018-10-10 2019-03-26 安徽鑫国合金有限公司 A kind of production technology of sensor 20 compensating wire alloy wire of copper-cupro-nickel
CN112658059A (en) * 2019-10-16 2021-04-16 丹阳市俊晧金属科技有限公司 Efficient preparation process of pure nickel wire

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101231197A (en) * 2007-01-25 2008-07-30 袁勤华 Preparation technique for cuprum peptide-cuprum nickel compensating conductor and alloy wire thereof
CN102816949A (en) * 2012-08-23 2012-12-12 常丰(无锡)金属制品有限公司 Copper-nickel 19 metal wire and preparation method thereof
CN105177395A (en) * 2015-11-09 2015-12-23 江苏利普机械有限公司 Manufacturing technique of nickel-copper alloy
CN106086519A (en) * 2016-08-31 2016-11-09 芜湖楚江合金铜材有限公司 A kind of copper-nickel alloy silk of corrosion-resistant tension

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101231197A (en) * 2007-01-25 2008-07-30 袁勤华 Preparation technique for cuprum peptide-cuprum nickel compensating conductor and alloy wire thereof
CN102816949A (en) * 2012-08-23 2012-12-12 常丰(无锡)金属制品有限公司 Copper-nickel 19 metal wire and preparation method thereof
CN105177395A (en) * 2015-11-09 2015-12-23 江苏利普机械有限公司 Manufacturing technique of nickel-copper alloy
CN106086519A (en) * 2016-08-31 2016-11-09 芜湖楚江合金铜材有限公司 A kind of copper-nickel alloy silk of corrosion-resistant tension

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108441674A (en) * 2018-04-12 2018-08-24 江阴市诚信合金材料有限公司 Contra wire and its production system
CN109013740A (en) * 2018-07-13 2018-12-18 金川集团股份有限公司 A kind of pure nickel silk material short route preparation process
CN109266902A (en) * 2018-10-10 2019-01-25 安徽鑫国合金有限公司 A kind of manufacturing process of sensor copper-coppernickel compensating conductor alloy wire
CN109518015A (en) * 2018-10-10 2019-03-26 安徽鑫国合金有限公司 A kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology
CN109518016A (en) * 2018-10-10 2019-03-26 安徽鑫国合金有限公司 A kind of production technology of sensor 20 compensating wire alloy wire of copper-cupro-nickel
CN112658059A (en) * 2019-10-16 2021-04-16 丹阳市俊晧金属科技有限公司 Efficient preparation process of pure nickel wire

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