CN102618857A - Electroless copper plating technique for welding wire - Google Patents
Electroless copper plating technique for welding wire Download PDFInfo
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- CN102618857A CN102618857A CN2012100990534A CN201210099053A CN102618857A CN 102618857 A CN102618857 A CN 102618857A CN 2012100990534 A CN2012100990534 A CN 2012100990534A CN 201210099053 A CN201210099053 A CN 201210099053A CN 102618857 A CN102618857 A CN 102618857A
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Abstract
The invention relates to the technical field of electrochemistry, and discloses electroless copper plating technique for a welding wire. The electroless copper plating technique includes the technical steps: realizing oil removal and activation treatment for the surface of an ER50-6 welding wire to be treated; feeding the welding wire with the treated surface into copper plating solution to realize electroless copper plating treatment; then passivating and polishing the copper-plated welding wire after the copper-plated welding wire is washed; and finally winding and packaging the passivated and polished welding wire after the passivated and polished welding wire is dried. Compared with an existing electro-coppering process, the electroless copper plating technique has the advantages that the welding wire can be easily treated on a copper plating flow production line, the feeding speed of the copper plating welding wire can reach 1-2 meters/second, production efficiency is high, the quality is stable, and the energy consumption is low.
Description
Technical field
The present invention relates to technical field of electrochemistry, especially a kind of copper-plating technique method that is used on the electric welding wire product line.
Background technology
Electroless copper also is heavy copper or holeization usually, is a kind of autocatalysis property redox reaction.Cu in the electroless copper process
2+It is metallic copper that ion obtains electron reduction, the reductive agent ejected electron, and itself is oxidized.Its reaction essence identical with electrolytic process, be betatopic process is carried out under short-circuit condition, externally can't see the circulation of electric current.Because it does not have external source, do not have the resistance drop loss during electrolysis, so electroless plating is a kind of electrolytic process of very efficient energy-saving; Be a kind of energy-efficient deposited copper technology, it is fast that the while electroless copper has sedimentation velocity than conventional electro-coppering, and dispersive ability is strong; Equipment is simple; Drop into characteristics such as low, be well suited for the copper-plated processing requirement of steel wire, thereby in productions such as welding wire, tyre wire, obtain widespread use.
Welding wire usage quantity in industrial production is very big.The processing of welding wire is the welding wire of processing thinner all size with the thicker special metal strip of diameter through a series of drawing at present; Need welding wire is carried out copper plating treatment with the electroconductibility that improves welding wire for antirust; And tradition is handled the electro-coppering of welding wire; Because of welding wire belongs to elongate, cause quality unstable easily, production efficiency is low and energy consumption is big.And in electroless copper; The desired plating bath of different materials is different; Particularly on production line, carry out rapid Continuous copper facing, require plating bath strict more to the wire travelling speed of different base materials and different welding wire, existing plating bath is difficult to satisfy the copperizing continuously of present welding wire on production line; Particularly, be difficult to solve and on production line, carry out the reliable quality copperizing continuously the welding wire of this trade mark of ER50-6.
Summary of the invention
Technical problem to be solved by this invention provides a kind of welding wire chemical-copper-plating process method, and it can solve the quality problems of ER50-6 welding wire copperizing continuously on production line.
In order to address the above problem, technical scheme of the present invention is: this welding wire chemical-copper-plating process method, and its process step comprises: ⑴ carries out surface degreasing processing, surface activation process with pending welding wire; ⑵ the welding wire that surface treatment is cleaned gets into and carries out the electroless copper processing in the copper plating bath; ⑶ plating welding wire well is after washing, through carrying out the passivation polishing in the passivation slurry; ⑷ polish good welding wire through the wrapped dress of oven dry hub disk with passivation; Concrete scheme is: the trade mark of said pending welding wire is ER50-6; Said surface degreasing is handled, and is that to adopt content be sodium hydroxide 15-40 grams per liter, yellow soda ash 5-30 grams per liter and OP emulsifying agent 3-8 milliliter/liter alkaline rinse that is mixed with, to welding wire surface enforcement alkali cleaning oil removal treatment; Said surface activation process is the sulfuric acid 3-15% that adopts weight percentage, and the acidic activated liquid that hydrochloric acid 5-20% is mixed with, the welding wire surface after said surface degreasing handled are implemented acidic activated processing; It is in described copper plating bath, to carry out that said electroless copper is handled, and the unit weight content of the component of said copper plating bath and each component is: cupric sulfate pentahydrate 80-110 grams per liter, sulfuric acid 60-90 grams per liter, EDTA Disodium 5-30 grams per liter, Seignette salt 2-10 grams per liter, sodium hydroxide 4-15 grams per liter.The polishing of described welding wire plating post-passivation is: will pass through and plate good after the welding wire of washing polishes for carrying out passivation in the passivation slurry of following prescription at prescription; The weight ratio of passivation slurry component: benzotriazole 0.5-5%, Sodium orthomolybdate 0.00005-0.002%, Sodium Benzoate 0-5%, soluble zinc salt 0.00005-0.001% surplus are the conventional oil base lubricating agent.
The more concrete scheme of above-mentioned welding wire chemical-copper-plating process method can be: the time that said surface degreasing is handled is in 2-4 second; The wire travelling speed of welding wire is at the 1-2 meter per second; The time of said surface activation process, the wire travelling speed of welding wire was at the 1-2 meter per second in 2-4 second;
The technological temperature of said copper plating bath is in 15-45 ℃ of scope, and its welding wire time in copper plating bath is that the wire travelling speed of 4-5 welding wire in second is the 1-2 meter per second;
Described welding wire plating post-passivation polishing time is in 1-2 second, and speed is at the 1-2 meter per second;
It is to let the welding wire after plating well after drying baker oven dry, coil packing again that the oven dry of described passivation polishing back welding wire is handled, and bake out temperature is 40-50 ℃.
More concrete scheme can also be: it is that employing content is sodium hydroxide 40 grams per liters that described surface degreasing is handled, 8 milliliters of/liter alkaline rinses that are mixed with of yellow soda ash 5 grams per liters and OP emulsifying agent; The time that surface degreasing is handled is in 2 seconds;
Described surface activation process adopts the sulfuric acid 15% of weight percentage, the acidic activated liquid that hydrochloric acid 5% is mixed with; The time of surface activation process is in 2 seconds;
The unit weight content of the component of described copper plating bath and each component is: cupric sulfate pentahydrate 110 grams per liters, sulfuric acid 90 grams per liters, EDTA Disodium 30 grams per liters, Seignette salt 10 grams per liters, sodium hydroxide 15 grams per liters; The technological temperature of copper plating bath is controlled in the 15-45 ℃ of scope, and welding wire time in copper plating bath was 4 seconds;
The weight ratio of described passivation slurry recipe ingredient is: benzotriazole 5%, Sodium orthomolybdate 0.00005%, Sodium Benzoate 1%, soluble zinc salt 0.00005%, surplus are the conventional oil base lubricating agent; Polishing time is in 1 second.
Because adopt technique scheme, the present invention compares with the existing plating process for copper has following beneficial effect:
1, copper facing quality is good, can combine reliable at quick coating;
2, the copper facing of welding wire is easy on the copper facing production line, carry out streamline operration, and the wire travelling speed of copper plating soldering wire can reach the 1-2 meter per second, and electro-coppering can only reach the 0.6-1 meter per second, and production efficiency greatly improves, and steady quality, energy consumption are low.
Embodiment
Below in conjunction with embodiment the present invention is further specified:
Embodiment 1:
To diameter is 1 millimeter, and the trade mark is that the ER50-6 welding wire carries out electroless copper on the copper facing production line, and its process step is following:
⑴ welding wire is introduced into the production line degreasing tank, and activated bath carries out surface degreasing to be handled and surface activation process;
⑵ get into through the cleaned welding wire of surface treatment and carry out the electroless copper processing in the copper plating groove;
⑶ plating welding wire well is after washing, and passivation slurry carries out the passivation polishing in the entering deactivation slot;
⑷ the welding wire that passivation polishing is good gets into drying baker and dries, and the welding wire after oven dry is by wire coiler coiling packing;
In these process steps: the wire travelling speed of whole welding wire is 1 meter per second, and the prescription in each operation is following with other parameter:
Surface degreasing is handled, and adopts sodium hydroxide 15 grams per liters of unit weight content, 3 milliliters of/liter alkaline rinses that are mixed with of yellow soda ash 30 grams per liters and OP emulsifying agent, and the time that surface degreasing is handled is in 4 seconds;
Surface activation process, the sulfuric acid 3% of employing weight percentage, the acidic activated liquid that hydrochloric acid 20% is mixed with, the time of surface activation process is in 4 seconds;
During electroless copper was handled, the component of copper plating bath and each components contents were: cupric sulfate pentahydrate 80 grams per liters, sulfuric acid 60 grams per liters, EDTA Disodium 5 grams per liters, Seignette salt 2 grams per liters, sodium hydroxide 4 grams per liters; The copper plating bath temperature is controlled in the 15-45 ℃ of scope; Welding wire time in copper plating bath was 6 seconds;
The weight ratio of passivation slurry component: benzotriazole 0.5%, Sodium orthomolybdate 0.002%, Sodium Benzoate 5%, soluble zinc salt 0.001%, surplus are the conventional oil base lubricating agent; Polishing time is in 1 second;
Welding wire after the passivation polishing gets into the drying baker oven dry, and bake out temperature is controlled at 40-50 ℃, coils packing by wire coiler then.
Embodiment 2:
The process step of present embodiment is identical with embodiment 1, and the prescription that different is in each operation is different with other parameter, and the wire travelling speed of welding wire is 2 meter per seconds in the present embodiment, and the prescription in each operation is following with other parameter:
It is that employing content is sodium hydroxide 40 grams per liters that surface degreasing is handled, 8 milliliters of/liter alkaline rinses that are mixed with of yellow soda ash 5 grams per liters and OP emulsifying agent; The time that surface degreasing is handled is in 2 seconds;
Surface activation process adopts the sulfuric acid 15% of weight percentage, the acidic activated liquid that hydrochloric acid 5% is mixed with; The time of surface activation process is in 2 seconds;
The unit weight content of the component of copper plating bath and each component is: cupric sulfate pentahydrate 110 grams per liters, sulfuric acid 90 grams per liters, EDTA Disodium 30 grams per liters, Seignette salt 10 grams per liters, sodium hydroxide 15 grams per liters; The technological temperature of copper plating bath is controlled in the 15-45 ℃ of scope, and welding wire time in copper plating bath was 4 seconds;
The weight ratio of passivation slurry component: benzotriazole 5%, Sodium orthomolybdate 0.00005%, Sodium Benzoate 1%, soluble zinc salt 0.00005%, surplus are the conventional oil base lubricating agent; Polishing time is in 1 second;
Welding wire after the passivation polishing gets into the drying baker oven dry, and bake out temperature is 40-50 ℃, coils packing by wire coiler then.
Claims (4)
1. welding wire chemical-copper-plating process method, its process step comprises:
⑴ carry out surface degreasing processing, surface activation process with pending welding wire;
⑵ the welding wire that surface treatment is cleaned gets into and carries out the electroless copper processing in the copper plating bath;
⑶ plating welding wire well is after washing, through carrying out the passivation polishing in the passivation slurry;
⑷ polish good welding wire through the wrapped dress of oven dry hub disk with passivation;
It is characterized in that:
The trade mark of said pending welding wire is ER50-6;
Said surface degreasing is handled, and is that employing content is sodium hydroxide 15-40 grams per liter, and yellow soda ash 5-30 grams per liter and OP emulsifying agent 3-8 milliliter/liter alkaline rinse that is mixed with are implemented the alkali cleaning oil removal treatment to welding wire surface;
Said surface activation process is the sulfuric acid 3-15% that adopts weight percentage, and the acidic activated liquid that hydrochloric acid 5-20% is mixed with, the welding wire surface after said surface degreasing handled are implemented acidic activated processing;
The component of said copper plating bath and each components contents are: cupric sulfate pentahydrate 80-110 grams per liter, sulfuric acid 60-90 grams per liter, EDTA Disodium 5-30 grams per liter, Seignette salt 2-10 grams per liter, sodium hydroxide 4-15 grams per liter;
The polishing of described welding wire plating post-passivation is: will plate good after the welding wire of washing is being filled a prescription to carrying out the passivation polishing in the passivation slurry of following prescription; The weight ratio of passivation slurry component: benzotriazole 0.5-5%, Sodium orthomolybdate 0.00005-0.002%, Sodium Benzoate 0-5%, soluble zinc salt 0.00005-0.001% surplus are the conventional oil base lubricating agent.
2. welding wire chemical-copper-plating process method according to claim 1; It is characterized in that: the time that said surface degreasing is handled is in 2-4 second; The wire travelling speed of welding wire is at the 1-2 meter per second, and the time of said surface activation process, the wire travelling speed of welding wire was at the 1-2 meter per second in 2-4 second.
3. welding wire chemical-copper-plating process method according to claim 1 and 2 is characterized in that: the technological temperature of said copper plating bath is in 15-45 ℃ of scope, and its welding wire time in copper plating bath is that the wire travelling speed of 4-6 welding wire in second is the 1-2 meter per second;
Described welding wire plating post-passivation polishing time is in 1-2 second, and speed is at the 1-2 meter per second;
It is to let the welding wire after plating well after drying baker oven dry, coil packing again that the oven dry of described passivation polishing back welding wire is handled, and bake out temperature is 40-50 ℃.
4. welding wire chemical-copper-plating process method according to claim 1 is characterized in that: it is that employing content is sodium hydroxide 40 grams per liters that described surface degreasing is handled, 8 milliliters of/liter alkaline rinses that are mixed with of yellow soda ash 5 grams per liters and OP emulsifying agent; The time that surface degreasing is handled is in 2 seconds;
Described surface activation process adopts the sulfuric acid 15% of weight percentage, the acidic activated liquid that hydrochloric acid 5% is mixed with; The time of surface activation process is in 2 seconds;
The unit weight content of the component of described copper plating bath and each component is: cupric sulfate pentahydrate 110 grams per liters, sulfuric acid 90 grams per liters, EDTA Disodium 30 grams per liters, Seignette salt 10 grams per liters, sodium hydroxide 15 grams per liters; The technological temperature of copper plating bath is controlled in the 15-45 ℃ of scope, and welding wire time in copper plating bath was 4 seconds;
The weight ratio of described passivation slurry component is: benzotriazole 5%, Sodium orthomolybdate 0.00005%, Sodium Benzoate 1%, soluble zinc salt 0.00005%, surplus are the conventional oil base lubricating agent; Polishing time is in 1 second.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100990534A CN102618857A (en) | 2012-04-06 | 2012-04-06 | Electroless copper plating technique for welding wire |
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| CN2012100990534A CN102618857A (en) | 2012-04-06 | 2012-04-06 | Electroless copper plating technique for welding wire |
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| CN102618857A true CN102618857A (en) | 2012-08-01 |
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| CN2012100990534A Pending CN102618857A (en) | 2012-04-06 | 2012-04-06 | Electroless copper plating technique for welding wire |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899697A (en) * | 2012-09-13 | 2013-01-30 | 苏州金品线材科技有限公司 | Copper plating process for welding wire |
| CN104947114A (en) * | 2014-10-13 | 2015-09-30 | 庆云昊天焊材科技有限公司 | Cold-water copper-plated welding wire polishing solution |
| CN105779979A (en) * | 2016-01-13 | 2016-07-20 | 哈焊所华通（常州）焊业股份有限公司 | Aluminum welding wire coppering process |
| CN107553011A (en) * | 2016-07-03 | 2018-01-09 | 昆山中冶宝钢焊接材料有限公司 | A kind of preparation technology of welding wire |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075174A (en) * | 1993-01-17 | 1993-08-11 | 河北工学院 | Rust-resisting process technology for copper-platedwelding-wire |
| CN101831645A (en) * | 2010-05-28 | 2010-09-15 | 河海大学常州校区 | Cemented carbide steelwork surface electroless copper plating method |
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2012
- 2012-04-06 CN CN2012100990534A patent/CN102618857A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075174A (en) * | 1993-01-17 | 1993-08-11 | 河北工学院 | Rust-resisting process technology for copper-platedwelding-wire |
| CN101831645A (en) * | 2010-05-28 | 2010-09-15 | 河海大学常州校区 | Cemented carbide steelwork surface electroless copper plating method |
Non-Patent Citations (1)
| Title |
|---|
| 戴宝昌: "《重要用途线材制品生产新技术》", 31 October 2001 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899697A (en) * | 2012-09-13 | 2013-01-30 | 苏州金品线材科技有限公司 | Copper plating process for welding wire |
| CN104947114A (en) * | 2014-10-13 | 2015-09-30 | 庆云昊天焊材科技有限公司 | Cold-water copper-plated welding wire polishing solution |
| CN104947114B (en) * | 2014-10-13 | 2020-06-19 | 庆云昊天焊材科技有限公司 | Cold water copper-plated welding wire polishing solution |
| CN105779979A (en) * | 2016-01-13 | 2016-07-20 | 哈焊所华通（常州）焊业股份有限公司 | Aluminum welding wire coppering process |
| CN107553011A (en) * | 2016-07-03 | 2018-01-09 | 昆山中冶宝钢焊接材料有限公司 | A kind of preparation technology of welding wire |
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Application publication date: 20120801 |