CN104064285A - Production technology of hot-tinned round copper wires - Google Patents
Production technology of hot-tinned round copper wires Download PDFInfo
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- CN104064285A CN104064285A CN201410265668.9A CN201410265668A CN104064285A CN 104064285 A CN104064285 A CN 104064285A CN 201410265668 A CN201410265668 A CN 201410265668A CN 104064285 A CN104064285 A CN 104064285A
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Abstract
The invention discloses a production technology of hot-tinned round copper wires. The production technology comprises the following steps that (1) copper materials and tin ingots are used as raw materials and pay-off is conducted on the two kinds of raw materials through a magnetic powder tension pay-off machine; (2) the copper wires in the step (1) are cleaned through acid cleaning fluid (acid wash); (3) the copper wires processed in the step (2) are washed; (4) the washed copper wires in the step (3) are dried; (5) scaling powder is added to the surfaces of the dried copper wires in the step (4) and then the copper wires are placed into a tinning furnace, wherein when the diameter of the copper wires is 1.56-1.86 mm, the temperature of molten tin in the tinning furnace is set to be 285-290 DEG C and the diameter of the copper wires is 2.00-2.55 mm; (6) finally, the copper wires are formed in tinning dies and the hot-tined round copper wires can be obtained after the copper wires are cooled. The production principle of the hot-tinned round copper wires is simple, the technology is not complex, it is guaranteed that the copper wires are even and uniform in diameter in the whole hot-tinning technology procedure, tinning is even and tin is not prone to falling off.
Description
Technical field
The present invention relates to copper wire technology field, be specifically related to the production technology of circular copper wire hot tinning.
Background technology
Tin-plating round copper wire has multiple good characteristic, and its production technology belongs to Physical Processing, has that equipment investment is low, efficiency is high, simple operation and other advantages, is widely used and develops in wires and cables industry.Although circular copper wire hot tinning technique is simple, process flow is more, and as unwrapping wire, pickling, washing, dry, pre-heating drying, scaling powder, zinc-plated, cooling, take-up, it is improper that each link is wherein controlled, and all can have influence on the final mass of product.Increase gradually along with circular copper wire diameter, the control difficulty of hot tinning technique also continues to increase, diameter is that the production practices of 0.80～2.54mm circular copper wire hot tinning technique show, only has each process flow of strict control, constantly analyze and sum up and take corrective measure, just can obtain good product quality.
The use of tin-plating round copper wire in wires and cables industry is very extensive, and the Main Function that tin-plating round copper wire rose has: the anti-oxidant and anticorrosion of a.; B. improve the solderability of copper cash, prevent that conducting wire end is loose; C. reduce the contact resistance of joint; During d. for braid shielded occasion, can suppress well High-frequency Interference, shielding static etc.; E. during rubber cable long-time running, copper cash can with rubber in sulphur react and make rubber stickness, reduce the useful life of cable, and the tin on tin-plating round copper wire surface can work to protect.Based on this, now study a kind of production technology of circular copper wire hot tinning, in whole hot tinning technological process, guarantee copper cash wire diameter uniformity.
Summary of the invention
For the problems referred to above, the invention provides a kind of production technology of circular copper wire hot tinning, well guaranteed copper cash wire diameter uniformity.
In order to address the above problem, technical scheme provided by the invention is:
A production technology for circular copper wire hot tinning, is characterized in that, comprises the following steps:
(1) getting copper material and tin slab is raw material, two kinds of raw materials are carried out to unwrapping wire by magnetic powder tension creel machine, through on-site verification, magnetic powder tension creel mode has advantages of that tension force is controllable, whole production process performance is stable, product quality is relatively controlled, therefore finally adopted magnetic powder tension creel mode; And passive unwrapping wire mainly drags by main traction, thereby tension force is along with drum varies in weight and changes at any time, and copper cash, being there will be the irregular status such as drawing-down in various degree, shake in dragging process, will cause more harmful effect to follow-up zinc-plated operation.
(2) to step (1) copper cash, adopt acidic cleaning solution (pickle) to clean, while adopting the alkaline cleaning fluid cleaning that contains active sodium, not only cleaning fluid waste is larger, and also more because of the atrament of alkali metal and the biochemical reaction generation of wire drawing fry dried food ingredients, it also has oxide etch effect to needle spikesedge herb simultaneously; While adopting acidic cleaning solution (pickle) to clean, do not have problems to produce, and to the corrosion-free effect of copper line surface.
(3) copper wire after step (2) processing is washed, washing main purpose is to wash the residual pickle of copper line surface and other impurity.If the pickle of copper line surface can not thoroughly be removed, when zinc-plated, can there is chemical reaction, its product can affect tinned wird quality.
(4) copper wire after step (3) washing be dried to processing, the effect of drying process is mainly residual moisture and the copper cash preheating of removing copper line surface, is convenient to fully contacting of copper cash and scaling powder in subsequent handling.In drying process, the temperature of drying box is more high better in theory, makes copper line surface temperature more approach tin liquor temperature, and the quality of coating is just better like this.The fusing point of tin is about 232 ℃, and drying box temperature can be set as 120～160 ℃, can determine the concrete temperature of setting according to copper cash wire diameter.
(5) the copper wire surface after dry processing in step (4) is added to scaling powder, then put in tinning furnace, when copper wire diameter is 1.56～1.86mm, in tinning furnace, tin coolant-temperature gage is set to 285-290 ℃; Copper wire diameter is 2.00～2.55mm.
(6) finally just can obtain hot tinning circular copper wire zinc-plated die for molding is then cooling.
Preferably, when in described step (5), copper wire diameter is 1.60～1.80mm, in tinning furnace, tin coolant-temperature gage is set to 286-289 ℃; Copper wire diameter is 2.15～2.45mm.
Preferably, when in described step (5), copper wire diameter is 1.71mm, in tinning furnace, tin coolant-temperature gage is set to 287.5 ℃; Copper wire diameter is 2.30mm.
Preferably, in described step (1), the purity of copper material is 99.873%～99.992%, and the purity of tin slab is 99.989%～99.996%.
Preferably, in described step (2), acidic cleaning solution is the mixed liquor of zinc chloride, ammonium chloride, hydrochloric acid, organic brightener and water or the mixed liquor of dilute sulfuric acid, citric acid, organic brightener, urea and water.
The rinse water of preferably, washing in described step (3) is deionized water or pure water.
Compared with prior art, beneficial effect of the present invention is:
The production principle of hot tinning circular copper wire of the present invention is simple, and technique is also uncomplicated, guarantees copper cash wire diameter uniformity in whole hot tinning technological process, zinc-plated even difficult drop-off.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is further described in detail.
Embodiment mono-:
A production technology for circular copper wire hot tinning, is characterized in that, comprises the following steps:
(1) getting copper material and tin slab is raw material, and two kinds of raw materials are carried out to unwrapping wire by magnetic powder tension creel machine.
(2) to step (1) copper cash, adopt acidic cleaning solution (pickle) to clean.
(3) copper wire after step (2) processing is washed.
(4) copper wire after step (3) washing is dried to processing.
(5) the copper wire surface after dry processing in step (4) is added to scaling powder, then put in tinning furnace, when copper wire diameter is 1.56mm, in tinning furnace, tin coolant-temperature gage is set to 285 ℃; Copper wire diameter is 2.00mm.
(6) finally just can obtain hot tinning circular copper wire zinc-plated die for molding is then cooling.
Beneficial effect of the present invention is: the production principle of hot tinning circular copper wire of the present invention is simple, and technique is also uncomplicated, guarantees copper cash wire diameter uniformity in whole hot tinning technological process, zinc-plated even difficult drop-off.
Embodiment bis-:
A production technology for circular copper wire hot tinning, is characterized in that, comprises the following steps:
(1) getting copper material and tin slab is raw material, and two kinds of raw materials are carried out to unwrapping wire by magnetic powder tension creel machine.
(2) to step (1) copper cash, adopt acidic cleaning solution (pickle) to clean.
(3) copper wire after step (2) processing is washed.
(4) copper wire after step (3) washing is dried to processing.
(5) the copper wire surface after dry processing in step (4) is added to scaling powder, then put in tinning furnace, when copper wire diameter is 1.86mm, in tinning furnace, tin coolant-temperature gage is set to 290 ℃; Copper wire diameter is 2.55mm.
(6) finally just can obtain hot tinning circular copper wire zinc-plated die for molding is then cooling.
Beneficial effect of the present invention is: the production principle of hot tinning circular copper wire of the present invention is simple, and technique is also uncomplicated, guarantees copper cash wire diameter uniformity in whole hot tinning technological process, zinc-plated even difficult drop-off.
Embodiment tri-:
A production technology for circular copper wire hot tinning, is characterized in that, comprises the following steps:
(1) getting copper material and tin slab is raw material, and two kinds of raw materials are carried out to unwrapping wire by magnetic powder tension creel machine.
(2) to step (1) copper cash, adopt acidic cleaning solution (pickle) to clean.
(3) copper wire after step (2) processing is washed.
(4) copper wire after step (3) washing is dried to processing.
(5) the copper wire surface after dry processing in step (4) is added to scaling powder, then put in tinning furnace, when copper wire diameter is 1.71mm, in tinning furnace, tin coolant-temperature gage is set to 287.5 ℃; Copper wire diameter is 2.30mm.
(6) finally just can obtain hot tinning circular copper wire zinc-plated die for molding is then cooling.
Beneficial effect of the present invention is: the production principle of hot tinning circular copper wire of the present invention is simple, and technique is also uncomplicated, guarantees copper cash wire diameter uniformity in whole hot tinning technological process, zinc-plated even difficult drop-off.
Embodiment tetra-:
A production technology for circular copper wire hot tinning, is characterized in that, comprises the following steps:
(1) getting copper material and tin slab is raw material, and two kinds of raw materials are carried out to unwrapping wire by magnetic powder tension creel machine.
(2) to step (1) copper cash, adopt acidic cleaning solution (pickle) to clean.
(3) copper wire after step (2) processing is washed.
(4) copper wire after step (3) washing is dried to processing.
(5) the copper wire surface after dry processing in step (4) is added to scaling powder, then put in tinning furnace, when copper wire diameter is 1.60mm, in tinning furnace, tin coolant-temperature gage is set to 286 ℃; Copper wire diameter is 2.15mm.
(6) finally just can obtain hot tinning circular copper wire zinc-plated die for molding is then cooling.
Beneficial effect of the present invention is: the production principle of hot tinning circular copper wire of the present invention is simple, and technique is also uncomplicated, guarantees copper cash wire diameter uniformity in whole hot tinning technological process, zinc-plated even difficult drop-off.
Embodiment five:
A production technology for circular copper wire hot tinning, is characterized in that, comprises the following steps:
(1) getting copper material and tin slab is raw material, and two kinds of raw materials are carried out to unwrapping wire by magnetic powder tension creel machine.
(2) to step (1) copper cash, adopt acidic cleaning solution (pickle) to clean.
(3) copper wire after step (2) processing is washed.
(4) copper wire after step (3) washing is dried to processing.
(5) the copper wire surface after dry processing in step (4) is added to scaling powder, then put in tinning furnace, when copper wire diameter is 1.80mm, in tinning furnace, tin coolant-temperature gage is set to 289 ℃; Copper wire diameter is 2.45mm.
(6) finally just can obtain hot tinning circular copper wire zinc-plated die for molding is then cooling.
Beneficial effect of the present invention is: the production principle of hot tinning circular copper wire of the present invention is simple, and technique is also uncomplicated, guarantees copper cash wire diameter uniformity in whole hot tinning technological process, zinc-plated even difficult drop-off.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. a production technology for circular copper wire hot tinning, is characterized in that, comprises the following steps:
(1) getting copper material and tin slab is raw material, and two kinds of raw materials are carried out to unwrapping wire by magnetic powder tension creel machine.
(2) to step (1) copper cash, adopt acidic cleaning solution (pickle) to clean.
(3) copper wire after step (2) processing is washed.
(4) copper wire after step (3) washing is dried to processing.
(5) the copper wire surface after dry processing in step (4) is added to scaling powder, then put in tinning furnace, when copper wire diameter is 1.56～1.86mm, in tinning furnace, tin coolant-temperature gage is set to 285-290 ℃; Copper wire diameter is 2.00～2.55mm.
(6) finally just can obtain hot tinning circular copper wire zinc-plated die for molding is then cooling.
2. the production technology of circular copper wire hot tinning according to claim 1, is characterized in that: when in described step (5), copper wire diameter is 1.60～1.80mm, in tinning furnace, tin coolant-temperature gage is set to 286-289 ℃; Copper wire diameter is 2.15～2.45mm.
3. the production technology of circular copper wire hot tinning according to claim 1 and 2, is characterized in that: when in described step (5), copper wire diameter is 1.71mm, in tinning furnace, tin coolant-temperature gage is set to 287.5 ℃; Copper wire diameter is 2.30mm.
4. the production technology of circular copper wire hot tinning according to claim 1, is characterized in that: in described step (1), the purity of copper material is 99.873%～99.992%, and the purity of tin slab is 99.989%～99.996%.
5. the production technology of circular copper wire hot tinning according to claim 1, is characterized in that: in described step (2), acidic cleaning solution is the mixed liquor of zinc chloride, ammonium chloride, hydrochloric acid, organic brightener and water or the mixed liquor of dilute sulfuric acid, citric acid, organic brightener, urea and water.
6. the production technology of circular copper wire hot tinning according to claim 1, is characterized in that: the rinse water of washing in described step (3) is deionized water or pure water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410265668.9A CN104064285A (en) | 2014-06-13 | 2014-06-13 | Production technology of hot-tinned round copper wires |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410265668.9A CN104064285A (en) | 2014-06-13 | 2014-06-13 | Production technology of hot-tinned round copper wires |
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| CN104064285A true CN104064285A (en) | 2014-09-24 |
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| CN201410265668.9A Pending CN104064285A (en) | 2014-06-13 | 2014-06-13 | Production technology of hot-tinned round copper wires |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448426A (en) * | 2015-11-18 | 2016-03-30 | 芜湖楚江合金铜材有限公司 | Tinned copper wire production technology process |
| CN106756706A (en) * | 2016-12-15 | 2017-05-31 | 惠州德晋昌光电科技有限公司 | Ultra-fine copper wire hot tinning process |
| CN107287582A (en) * | 2017-05-19 | 2017-10-24 | 浙江帝恒实业有限公司 | A kind of chemical plating stannum copper cash and preparation method thereof |
| CN110029381A (en) * | 2019-04-25 | 2019-07-19 | 首钢集团有限公司 | A kind of production method of high tin coating weight tin plate |
| CN110310781A (en) * | 2019-06-18 | 2019-10-08 | 芜湖航天特种电缆厂股份有限公司 | The processing method of ribbon cable with shielded layer and sheath |
| CN113249674A (en) * | 2021-05-13 | 2021-08-13 | 江西泰和百盛实业有限公司 | Production process of tinned copper wire capable of preventing tinned layer from falling off |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448426A (en) * | 2015-11-18 | 2016-03-30 | 芜湖楚江合金铜材有限公司 | Tinned copper wire production technology process |
| CN106756706A (en) * | 2016-12-15 | 2017-05-31 | 惠州德晋昌光电科技有限公司 | Ultra-fine copper wire hot tinning process |
| CN107287582A (en) * | 2017-05-19 | 2017-10-24 | 浙江帝恒实业有限公司 | A kind of chemical plating stannum copper cash and preparation method thereof |
| CN110029381A (en) * | 2019-04-25 | 2019-07-19 | 首钢集团有限公司 | A kind of production method of high tin coating weight tin plate |
| CN110310781A (en) * | 2019-06-18 | 2019-10-08 | 芜湖航天特种电缆厂股份有限公司 | The processing method of ribbon cable with shielded layer and sheath |
| CN113249674A (en) * | 2021-05-13 | 2021-08-13 | 江西泰和百盛实业有限公司 | Production process of tinned copper wire capable of preventing tinned layer from falling off |
| CN113249674B (en) * | 2021-05-13 | 2022-07-05 | 江西泰和百盛实业有限公司 | Production process of tinned copper wire capable of preventing tinned layer from falling off |
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Application publication date: 20140924 |