CN107564624A - A kind of hard state CP wire processing technology - Google Patents
A kind of hard state CP wire processing technology Download PDFInfo
- Publication number
- CN107564624A CN107564624A CN201710677821.2A CN201710677821A CN107564624A CN 107564624 A CN107564624 A CN 107564624A CN 201710677821 A CN201710677821 A CN 201710677821A CN 107564624 A CN107564624 A CN 107564624A
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- pickling
- plating
- nickel
- solution
- copper
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Abstract
The invention discloses a kind of hard state CP wire processing technology, comprise the following steps：Step 1：Low-carbon steel wire is softened, alignment processing；Step 2：Pickling；Step 3：Plate the first nickel coating；Step 4：Copper plate；Step 5：Plate the second nickel coating；Step 6：Tin coating；Step 7：Cleaning；Step 8：Drying；Step 9：Winding.By using processing technology described herein, copper facing and it is tin plating before, first nickel plating, the adhesion of coating and base material can be strengthened；Meanwhile the workability of copper is combined with the toughness of steel, its excellent toughness and resistance to torsion is played.
Description
Technical field
The present invention relates to a kind of hard state CP wire processing technology.
Background technology
Existing hard state CP wire processing technology carries out copper facing and plating typically after pickling on direct-on-line material
Tin, the adhesion between coating and base material is relatively low, is unfavorable for improving the performance of wire rod.Prior art be badly in need of it is a kind of improve coating with
Adhesion between base material, improve the hard state CP wire processing technology of wire rod performance.
The content of the invention
It is an object of the invention to overcome defect present in prior art, there is provided one kind improves to be tied between coating and base material
With joint efforts, the hard state CP wire processing technology of wire rod performance is improved.
To achieve the above object, the technical scheme is that providing a kind of hard state CP wire processing technology,
Comprise the following steps：
Step 1：Low-carbon steel wire is softened, alignment processing；
Step 2：Pickling；The pickle that pickling uses for：Sulfuric acid solution, concentration 100-250g/l；
Step 3：Plate the first nickel coating；The mode that nickel plating uses is plating, and the solution of plating is nickel sulfamic acid solution, concentration
For 30-80g/l, nickel chloride and nickel plate are placed with solution；
Step 4：Copper plate；The mode that copper facing uses is plating, and the solution of plating is copper-bath, concentration 100-200g/
l；
Step 5：Plate the second nickel coating；The mode that nickel plating uses is plating, and the solution of plating is nickel sulfamic acid solution, concentration
For 30-80g/l, nickel chloride and nickel plate are placed with solution；
Step 6：Tin coating；For the tin plating mode used for plating, the solution of plating is the mixing of pyrovinic acid and tin methane sulfonate
Solution, concentration 30-100g/l, tin ball is placed with solution；Utilize pyrovinic acid and the mixed solution and tin of tin methane sulfonate
Ball carries out tin plating to workpiece.Compared with conventional bright tin, mist tin is easier to weld, and good conductivity, applies in electrical equipment and electronics needs
On the part of welding；
Step 7：Cleaning；
Step 8：Drying；
Step 9：Winding.
By using processing technology described herein, copper facing and it is tin plating before, first nickel plating, coating and base can be strengthened
The adhesion of material；Meanwhile the workability of copper is combined with the toughness of steel, its excellent toughness and resistance to torsion is played.With biography
Unite and compared for high-frequency circuit with the wire of high frequency winding wire, the temperature tolerance of product is more preferable, security performance increase.Section is in a short time
It will not get rusty, electronic component scolding tin is more reliable, and product service life is longer；The conductivity of heat of copper covered steel wire is poorer than copper cash, one end
Weld job is unlikely to influence other parts, and then its weldering property is more preferable for thicker coating；It is not easy to change with gloss.
As preferable, in step 4, copper-bath is heated, heating uses pipeline steam indirectly heat, copper sulphate
Solution temperature is 60 DEG C.The covering property of copper-plating technique, compactness and Percentage bound can be greatly improved.
As preferable, first nickel coating, the thickness of two nickel coatings are 1-2um, and the thickness of the copper plate is 8-
30um, the thickness of the tin coating is 6-10um.Such design is that one kind of scheme is optimized.
As preferable, the pickling in step 2 is online pickling, and the online pickling is completed in acid dip pickle, described
Acid dip pickle includes pickling tube and the pickling nozzle being arranged in pickling tube, and the pickling nozzle is set in a row along operating direction,
The low-carbon steel wire exported in the step 1 passes through above the pickling nozzle set in a row, and matches somebody with somebody with the pickling nozzle set in a row
Close and use；The pickling tube connects with pickle recovery pipe, and the pickling nozzle connects with pickle feeding pipe.It is such
Pickling mode can improve pickling efficiency, and pickle can recycle, and reduce the dosage of acid to greatest extent, reduce cost
It is and more environmentally-friendly.
As preferable, the cleaning in step 7, cleaned by hot water, hot water temperature is 70 DEG C ~ 80 DEG C；The plating
Tin copper covered steel wire is heated temperature rise during cleaning.It is such to set up beneficial to raising cleaning performance.
, will by the heat of CP wire itself the institute band in step 7 as preferable, the drying in step 8
The moisture evaporation on its surface.Such design is beneficial to moisture evaporation is eliminated into drying plant, letter by the heat of wire rod itself
Production line is changed.
The advantages of the present invention are：By using processing technology described herein, in copper facing and tin plating
Before, first nickel plating, the adhesion of coating and base material can be strengthened；Meanwhile the workability of copper is combined with the toughness of mild steel,
Play its excellent toughness and resistance to torsion.Compared with being conventionally used to the wire of high-frequency circuit and high frequency winding wire, product it is resistance to
Warm nature is more preferable, security performance increase.Section will not get rusty in a short time, and electronic component scolding tin is more reliable, and product service life is more
It is long；The conductivity of heat of copper covered steel wire is poorer than copper cash, one end weld job be unlikely to influence other parts, thicker coating then its weldering property
More preferably；It is not easy to change with gloss.
Brief description of the drawings
Fig. 1 is present invention process flow chart；
Fig. 2 is pickling tube structural representation of the present invention；
Fig. 3 is filter box structural representation of the present invention；
Fig. 4 is the hard state CP wire structural representation of the present invention.
In figure：1st, low-carbon steel wire；2nd, the first nickel coating；3rd, layers of copper；4th, the second nickel coating；5th, tin layers；6th, pickling tube；7th, it is sour
Wash nozzle；8th, pickle recovery pipe；9th, pickle feeding pipe；10th, volatilization gas collecting hood；11st, suction fan；12nd, receive
Collect pipeline；13rd, filter box；14th, liquid is absorbed；15th, gas vent；16th, activated carbon filter layer；17th, feed pipe；18th, discharge
Pipe；19th, inlet valve；20th, outlet valve；21st, concentration monitor sensor.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is further described.Following examples are only
For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
As shown in Figures 1 to 4, a kind of hard state CP wire processing technology, comprises the following steps：
Step 1：Low-carbon steel wire 1 is softened, alignment processing；
Step 2：Pickling；The pickle that pickling uses for：Sulfuric acid solution, concentration 100-250g/l；
Step 3：Plate the first nickel coating 2；The mode that nickel plating uses is plating, and the solution of plating is nickel sulfamic acid solution, concentration
For 30-80g/l, nickel chloride and nickel plate are placed with solution；
Step 4：Copper plate 3；The mode that copper facing uses is plating, and the solution of plating is copper-bath, concentration 100-
200g/l；
Step 5：Plate the second nickel coating 4；The mode that nickel plating uses is plating, and the solution of plating is nickel sulfamic acid solution, concentration
For 30-80g/l, nickel chloride and nickel plate are placed with solution；
Step 6：Tin coating 5；For the tin plating mode used for plating, the solution of plating is mixed for pyrovinic acid and tin methane sulfonate
Solution is closed, concentration 30-100g/l, is placed with tin ball in solution；
Step 7：Cleaning；
Step 8：Drying；
Step 9：Winding.
In step 4, copper-bath is heated, heating uses pipeline steam indirectly heat, and copper-bath temperature is 60
℃。
First nickel coating 2, the thickness of two nickel coatings are 1-2um, and the thickness of the copper plate 3 is 8-30um, described
The thickness of tin coating 5 is 6-10um.
Pickling in step 2 is online pickling, and the online pickling is completed in acid dip pickle, the acid dip pickle bag
Pickling tube 6 and the pickling nozzle 7 being arranged in pickling tube 6 are included, the pickling nozzle 7 is set in a row along operating direction, the step
The low-carbon steel wire 1 exported in rapid one passes through the top of pickling nozzle 7 set in a row, and coordinates with the pickling nozzle 7 set in a row
Use；The pickling tube 6 connects with pickle recovery pipe 8, and the pickling nozzle 7 connects with the tunnel 9 of pickle feed pipe 17.
Cleaning in step 7, is cleaned by hot water, and hot water temperature is 70 DEG C ~ 80 DEG C；The CP wire
Temperature rise is heated during cleaning.
Drying in step 8, by the heat of CP wire itself the institute band in step 7 by the moisture on its surface
Evaporation.
Embodiment 1
A kind of hard state CP wire processing technology, comprises the following steps：
Step 1：Low-carbon steel wire 1 is softened, alignment processing；
Step 2：Pickling；The pickle that pickling uses for：Sulfuric acid solution, concentration 100-250g/l；
Step 3：Plate the first nickel coating 2；The mode that nickel plating uses is plating, and the solution of plating is nickel sulfamic acid solution, concentration
For 30-80g/l, nickel chloride and nickel plate are placed with solution；
Step 4：Copper plate 3；The mode that copper facing uses is plating, and the solution of plating is copper-bath, concentration 100-
200g/l；
Step 5：Plate the second nickel coating 4；The mode that nickel plating uses is plating, and the solution of plating is nickel sulfamic acid solution, concentration
For 30-80g/l, nickel chloride and nickel plate are placed with solution；
Step 6：Tin coating 5；For the tin plating mode used for plating, the solution of plating is mixed for pyrovinic acid and tin methane sulfonate
Solution is closed, concentration 30-100g/l, is placed with tin ball in solution；
Step 7：Cleaning；
Step 8：Drying；
Step 9：Winding.
In step 4, copper-bath is heated, heating uses pipeline steam indirectly heat, and copper-bath temperature is 60
℃。
First nickel coating 2, the thickness of two nickel coatings are 1-2um, and the thickness of the copper plate 3 is 8-30um, described
The thickness of tin coating 5 is 6-10um.
Pickling in step 2 is online pickling, and the online pickling is completed in acid dip pickle, the acid dip pickle bag
Pickling tube 6 and the pickling nozzle 7 being arranged in pickling tube 6 are included, the pickling nozzle 7 is set in a row along operating direction, the step
The low-carbon steel wire 1 exported in rapid one passes through the top of pickling nozzle 7 set in a row, and coordinates with the pickling nozzle 7 set in a row
Use；The pickling tube 6 connects with pickle recovery pipe 8, and the pickling nozzle 7 connects with the tunnel 9 of pickle feed pipe 17.
Cleaning in step 7, is cleaned by hot water, and hot water temperature is 70 DEG C ~ 80 DEG C；The CP wire
Temperature rise is heated during cleaning.
Drying in step 8, by the heat of CP wire itself the institute band in step 7 by the moisture on its surface
Evaporation.
Embodiment 2
One kind of embodiment 1 is optimized, the top of pickling tube 6 is additionally provided with the body of volatilization gas collecting hood 10, is set in the cover body
There is suction fan 11, collection conduit 12 is additionally provided with the top of the collecting hood；The collection conduit 12 leads to filter box 13, described
It is provided with filter box 13 and absorbs liquid 14, the end of collection conduit 12, which is embedded in, is absorbed in liquid 14, the filter box
13 are provided with gas vent 15, and other described outlets are provided with activated carbon filter layer 16；The filter box 13 is provided with feed pipe
17 and discharge nozzle 18, the feed pipe 17 and the top UNICOM of filter box 13, the discharge nozzle 18 join with the bottom of filter box 13
It is logical；The feed pipe 17 is also set with being respectively arranged with inlet valve 19 and outlet valve 20 on discharge nozzle 18 in the filter box 13
There is concentration monitor sensor 21.The concentration monitor sensor 21, inlet valve 19 and outlet valve 20 control with PLC to be connected
Connect.The discharge nozzle 18 connects with pickle feed pipe 17.
Such design, the sour gas evaporateing into air is collected by collecting cover body, air pollution is reduced, improves
Working environment.Meanwhile the sour gas being collected into is dissolved in again and absorbs liquid 14（Water）In, when concentration reaches standard,
It can be circulated again into pickling tube 6 and use, accomplish to save the purpose of raw material.
Only it is the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art
For, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as the protection domain of invention.
Claims (6)
- A kind of 1. hard state CP wire processing technology, it is characterised in that：Comprise the following steps：Step 1：Low-carbon steel wire is softened, alignment processing；Step 2：Pickling；The pickle that pickling uses for：Sulfuric acid solution, concentration 100-250g/l；Step 3：Plate the first nickel coating；The mode that nickel plating uses is plating, and the solution of plating is nickel sulfamic acid solution, concentration For 30-80g/l, nickel chloride and nickel plate are placed with solution；Step 4：Copper plate；The mode that copper facing uses is plating, and the solution of plating is copper-bath, concentration 100-200g/ l；Step 5：Plate the second nickel coating；The mode that nickel plating uses is plating, and the solution of plating is nickel sulfamic acid solution, concentration For 30-80g/l, nickel chloride and nickel plate are placed with solution；Step 6：Tin coating；For the tin plating mode used for plating, the solution of plating is the mixing of pyrovinic acid and tin methane sulfonate Solution, concentration 30-100g/l, tin ball is placed with solution；Step 7：Cleaning；Step 8：Drying；Step 9：Winding.
- 2. hard state CP wire processing technology as claimed in claim 1, it is characterised in that：In step 4, to copper sulphate Solution heats, and heating uses pipeline steam indirectly heat, and copper-bath temperature is 60 DEG C.
- 3. hard state CP wire processing technology as claimed in claim 2, it is characterised in that：First nickel coating, two The thickness of nickel coating is 1-2um, and the thickness of the copper plate is 8-30um, and the thickness of the tin coating is 6-10um.
- 4. hard state CP wire processing technology as claimed in claim 2 or claim 3, it is characterised in that：Pickling in step 2 For online pickling, the online pickling is completed in acid dip pickle, and the acid dip pickle includes pickling tube and is arranged on pickling tube In pickling nozzle, the pickling nozzle sets in a row along operating direction, the low-carbon steel wire exported in the step 1 pass through into Arrange above the pickling nozzle set, and be used cooperatively with the pickling nozzle set in a row；The pickling tube and pickle recovery tube Road connects, and the pickling nozzle connects with pickle feeding pipe.
- 5. hard state CP wire processing technology as claimed in claim 4, it is characterised in that：Cleaning in step 7, lead to Superheated water is cleaned, and hot water temperature is 70 DEG C ~ 80 DEG C；The CP wire is heated temperature liter during cleaning It is high.
- 6. hard state CP wire processing technology as claimed in claim 5, it is characterised in that：Drying in step 8, lead to The heat of CP wire itself the institute band in step 7 is crossed by the moisture evaporation on its surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710677821.2A CN107564624A (en) | 2017-08-10 | 2017-08-10 | A kind of hard state CP wire processing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710677821.2A CN107564624A (en) | 2017-08-10 | 2017-08-10 | A kind of hard state CP wire processing technology |
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| CN201710677821.2A Pending CN107564624A (en) | 2017-08-10 | 2017-08-10 | A kind of hard state CP wire processing technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707939A (en) * | 2018-06-12 | 2018-10-26 | 江阴六环合金线有限公司 | A kind of salt spray resistance alloy wire and its manufacture craft |
| CN108866590A (en) * | 2018-06-12 | 2018-11-23 | 江阴六环合金线有限公司 | A kind of nonmagnetic welding wire and its manufacturing process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707939A (en) * | 2018-06-12 | 2018-10-26 | 江阴六环合金线有限公司 | A kind of salt spray resistance alloy wire and its manufacture craft |
| CN108866590A (en) * | 2018-06-12 | 2018-11-23 | 江阴六环合金线有限公司 | A kind of nonmagnetic welding wire and its manufacturing process |
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Application publication date: 20180109 |