CN107309513A - A kind of gamma wire electrode and preparation method thereof - Google Patents
A kind of gamma wire electrode and preparation method thereof Download PDFInfo
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- CN107309513A CN107309513A CN201710483821.9A CN201710483821A CN107309513A CN 107309513 A CN107309513 A CN 107309513A CN 201710483821 A CN201710483821 A CN 201710483821A CN 107309513 A CN107309513 A CN 107309513A
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- wire electrode
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- zinc
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/22—Electrodes specially adapted therefor or their manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/22—Electrodes specially adapted therefor or their manufacture
- B23H7/24—Electrode material
Abstract
The invention discloses a kind of gamma wire electrode, including core and the top layer complex metal layer being coated on outside core, the composition of the core is 40 ~ 60wt% of copper, 0.05 ~ 1.5wt% of molybdenum, 0.01 ~ 0.05wt% of phosphorus, the wt% of boron 0.01 ~ 0.05,0.05 ~ 1.5wt% of rare earth, 0.05 ~ 1.5wt% of bismuth, inevitable impurity element is less than 0.3wt%, and remaining is zinc.A kind of gamma wire electrode that the present invention is obtained, service life is long, use time is more than 12 hours in the case of not thread-changing either not tool changing, it can guarantee that the materials and parts surface smoothness cut out is high, dimensional accuracy, form and position tolerance are not less than other types of wire electrode, and cutting speed improves more than 40%, surface roughness more as little as Ra 0.2um than basis brass wire electrode.
Description
Technical field
The present invention relates to a kind of wire electrode, particularly a kind of gamma wire electrode and preparation method thereof.
Background technology
Mechanical manufacturing technology is maked rapid progress, and wire cutting electrical discharge machining is obtained as a kind of special precision mechanical manufacturing technology
Develop rapidly, and the development of line cutting technology be unable to do without the synchronized development of wire electrode technology.
There are a variety of wire electrodes on the market at present, such as：Brass electrode silk, common coating electrode silk, composite electrode wire etc..But
The cutting speed of above-mentioned wire electrode is still not ideal enough, and the roughness of cut surface is also to be optimized.
The content of the invention
A kind of gamma wire electrode and its preparation are provided the invention aims to solve above-mentioned the deficiencies in the prior art
Method, it can improve cutting speed and reduce the roughness of cut surface.
To achieve these goals, a kind of gamma wire electrode designed by the present invention, including core and be coated on core
Outer top layer complex metal layer, the composition of the core is 40 ~ 60wt% of copper, 0.05 ~ 1.5wt% of molybdenum, phosphorus 0.01 ~
0.05wt%, the wt% of boron 0.01 ~ 0.05,0.05 ~ 1.5wt% of rare earth, 0.05 ~ 1.5wt% of bismuth, inevitable impurity element
Less than 0.3wt%, remaining is zinc；
The composition of the top layer complex metal layer is 60 ~ 70wt% of zinc, 1 ~ 5wt% of silver, 0.01 ~ 0.03wt% of cobalt, nickel 0.5 ~ 1.5
Wt%, the wt% of manganese 0.5 ~ 1.5,0.05 ~ 1.0wt% of chromium, inevitable impurity element are less than 0.3wt%, and remaining is copper.
The metallographic structure of the top layer complex metal layer is γ phase constitutions.
Rare earth in the core is one kind in lanthanum, praseodymium, neodymium, promethium, samarium, europium.
Copper is 40 ~ 60wt% in the core, and such proportioning can ensure material cost, the machinery of material is can guarantee that again
West can not decline.
Molybdenum is with the addition of in core in addition, because the hardness of molybdenum is larger, so as to improve the metallicity of core.
Phosphorus and boron can be when top layer complex metal layer be destroyed, and protection core metal is not continued loss, so as to ensure
The metallicity of core is not lowered.
Rare earth can improve the purity of core, crystal grain thinning so that crystal grain becomes more tiny, improve the mechanicalness of wire electrode
Energy.
The chemical property of bismuth is relatively stablized, and protects core not by ambient conditions, so as to improve the service life of wire electrode.
60 ~ 70wt% of zinc in the top layer complex metal layer, so as to ensure the zinc of high content to cause the compound gold in top layer
The metallographic structure for belonging to layer is γ phase constitutions.
Silver is with the addition of in top layer complex metal layer in addition, is improved total conductance of electrode wire material, because height is led
The presence of electric rate, can make the cutting speed faster than basis brass wire electrode more than 40% of this wire electrode.
Cobalt energy crystal grain thinning suppress failure procedure crystal boundary reaction, improve heat treatment service behaviour, improve mechanical performance and
Reduce elastic after effect value.
Nickel and chromium can be anticorrosive, it is ensured that wire electrode can adapt to, in various environment, extend usage cycles.
Manganese can reduce the fragility of metal, improve the hot-working character of wire electrode.
A kind of preparation method of gamma wire electrode, comprises the following steps：
（1）The raw material of core are subjected to dispensing mixing in proportion, places into and melting is carried out in induction furnace, then cast out diameter
For 8 ~ 10mm alloy wire base, wherein the composition in core be 40 ~ 60wt% of copper, 0.05 ~ 1.5wt% of molybdenum, phosphorus 0.01 ~
0.05wt%, the wt% of boron 0.01 ~ 0.05,0.05 ~ 1.5wt% of rare earth, 0.05 ~ 1.5wt% of bismuth, inevitable impurity element
Less than 0.3wt%, remaining is zinc；
（2）By above-mentioned alloy wire base is stretched and annealing after a diameter of 1 ~ 2mm bus is made；
（3）Bus is subjected to oil removing, pickling, washing, the obtained First Line base of plating, wherein the main salt of the electroplate liquid used during plating
Constitute as 60 ~ 70wt% of zinc, 1 ~ 5wt% of silver, 0.01 ~ 0.03wt% of cobalt, the wt% of nickel 0.5 ~ 1.5, the wt% of manganese 0.5 ~ 1.5, chromium
0.05 ~ 1.0wt%, inevitable impurity element is less than 0.3wt%, and remaining is copper；
（4）Alloying heat treatment is carried out to the second line base the second line base is made；
（5）A diameter of 0.1 ~ 0.3mm electrode squeeze is made after second line base is stretched and annealed.
Draw speed in the stretching annealing is 1000 ~ 2000m/min, and annealing voltage is 50 ~ 100V, electric current of annealing
For 20 ~ 50A.
The heat treatment temperature is 100 ~ 250 DEG C, and heat treatment time is 5 ~ 20 hours.
A kind of gamma wire electrode that the present invention is obtained, service life is long, use time more than 12 hours not thread-changing or
In the case that person is not tool changing, it can guarantee that the materials and parts surface smoothness cut out is high, dimensional accuracy, form and position tolerance are not less than it
The wire electrode of its type, and cutting speed improves more than 40%, surface roughness more as little as Ra than basis brass wire electrode
0.2um.The tensile strength of the other gamma wire electrode is 900 ~ 1000N/mm2, elongation percentage is less than 2%.
Embodiment
With reference to embodiment, the present invention is further described.
Embodiment 1：
A kind of gamma wire electrode that the present embodiment is provided, including core and the top layer complex metal layer that is coated on outside core, institute
The composition for stating core is copper 45wt%, molybdenum 1.5wt%, phosphorus 0.05wt%, the wt% of boron 0.05, rare earth 1.5wt%, bismuth
1.5wt%, inevitable impurity element is less than 0.3wt%, and remaining is zinc；
The composition of the top layer complex metal layer is zinc 60wt%, silver 3wt%, cobalt 0.03wt%, the wt% of nickel 1.5, manganese 1.5
Wt%, chromium 1.0wt%, inevitable impurity element are less than 0.3wt%, and remaining is copper.
The metallographic structure of the top layer complex metal layer is γ phase constitutions.
Rare earth in the core is neodymium.
A kind of preparation method of gamma wire electrode, comprises the following steps：
（1）The raw material of core are subjected to dispensing mixing in proportion, places into and melting is carried out in induction furnace, then cast out diameter
For 8 ~ 10mm alloy wire base, the wherein composition in core is copper 45wt%, molybdenum 1.5wt%, phosphorus 0.05wt%, boron 0.05
Wt%, rare earth 1.5wt%, bismuth 1.5wt%, inevitable impurity element are less than 0.3wt%, and remaining is zinc；
（2）By above-mentioned alloy wire base is stretched and annealing after a diameter of 1 ~ 2mm bus is made；
（3）Bus is subjected to oil removing, pickling, washing, the obtained First Line base of plating, wherein the main salt of the electroplate liquid used during plating
Constitute as zinc 60wt%, silver 3wt%, cobalt 0.03wt%, the wt% of nickel 1.5, the wt% of manganese 1.5, chromium 1.0wt%, it is inevitably miscellaneous
Prime element is less than 0.3wt%, and remaining is copper；
（4）Alloying heat treatment is carried out to the second line base the second line base is made；
（5）A diameter of 0.1 ~ 0.3mm electrode squeeze is made after second line base is stretched and annealed.
Draw speed in the stretching annealing is 1000 ~ 2000m/min, and annealing voltage is 50 ~ 100V, electric current of annealing
For 20 ~ 50A.
The heat treatment temperature is 100 ~ 250 DEG C, and heat treatment time is 5 ~ 20 hours.
After testing, the cutting speed of gamma wire electrode made from the present embodiment than basis brass wire electrode improve 40% with
On, surface roughness more as little as Ra 0.2um.The tensile strength of the other gamma wire electrode is 1000N/mm2, elongation percentage is less than
2%。
Embodiment 2：
A kind of gamma wire electrode that the present embodiment is provided, its raw material and preparation method are substantially identical with embodiment 1, its main distinction
It is, in the present embodiment, the composition of the core is copper 50wt%, molybdenum 1.2wt%, phosphorus 0.05wt%, the wt% of boron 0.05, dilute
Native 1.2wt%, bismuth 0.8wt%, inevitable impurity element are less than 0.3wt%, and remaining is zinc.
After testing, the cutting speed of gamma wire electrode made from the present embodiment than basis brass wire electrode improve 40% with
On, surface roughness more as little as Ra 0.2um.The tensile strength of the other gamma wire electrode is 900N/mm2, elongation percentage is less than
2%。
Embodiment 3：
A kind of gamma wire electrode that the present embodiment is provided, its raw material and preparation method are substantially identical with embodiment 1, its main distinction
It is, in the present embodiment, the composition of the top layer complex metal layer is zinc 65wt%, silver 3wt%, cobalt 0.03wt%, nickel
0.8wt%, the wt% of manganese 1.2, chromium 0.8wt%, inevitable impurity element are less than 0.3wt%, and remaining is copper.
After testing, the cutting speed of gamma wire electrode made from the present embodiment than basis brass wire electrode improve 40% with
On, surface roughness more as little as Ra 0.2um.The tensile strength of the other gamma wire electrode is 950N/mm2, elongation percentage is less than
2%。
Claims (6)
1. a kind of gamma wire electrode, including core and the top layer complex metal layer that is coated on outside core, it is characterised in that：It is described
The composition of core is 40 ~ 60wt% of copper, 0.05 ~ 1.5wt% of molybdenum, 0.01 ~ 0.05wt% of phosphorus, the wt% of boron 0.01 ~ 0.05, rare earth
0.05 ~ 1.5wt%, 0.05 ~ 1.5wt% of bismuth, inevitable impurity element are less than 0.3wt%, and remaining is zinc；
The composition of the top layer complex metal layer is 60 ~ 70wt% of zinc, 1 ~ 5wt% of silver, 0.01 ~ 0.03wt% of cobalt, nickel 0.5 ~ 1.5
Wt%, the wt% of manganese 0.5 ~ 1.5,0.05 ~ 1.0wt% of chromium, inevitable impurity element are less than 0.3wt%, and remaining is copper.
2. a kind of gamma wire electrode according to claim 1, it is characterised in that：The metallographic group of the top layer complex metal layer
It is woven to γ phase constitutions.
3. a kind of gamma wire electrode according to claim 1, it is characterised in that：Rare earth in the core is lanthanum, praseodymium,
One kind in neodymium, promethium, samarium, europium.
4. a kind of preparation method of gamma wire electrode according to any one of claim 1-3, it is characterised in that including
Following steps：
（1）The raw material of core are subjected to dispensing mixing in proportion, places into and melting is carried out in induction furnace, then cast out diameter
For 8 ~ 10mm alloy wire base, wherein the composition in core be 40 ~ 60wt% of copper, 0.05 ~ 1.5wt% of molybdenum, phosphorus 0.01 ~
0.05wt%, the wt% of boron 0.01 ~ 0.05,0.05 ~ 1.5wt% of rare earth, 0.05 ~ 1.5wt% of bismuth, inevitable impurity element
Less than 0.3wt%, remaining is zinc；
（2）By above-mentioned alloy wire base is stretched and annealing after a diameter of 1 ~ 2mm bus is made；
（3）Bus is subjected to oil removing, pickling, washing, the obtained First Line base of plating, wherein the main salt of the electroplate liquid used during plating
Constitute as 60 ~ 70wt% of zinc, 1 ~ 5wt% of silver, 0.01 ~ 0.03wt% of cobalt, the wt% of nickel 0.5 ~ 1.5, the wt% of manganese 0.5 ~ 1.5, chromium
0.05 ~ 1.0wt%, inevitable impurity element is less than 0.3wt%, and remaining is copper；
（4）Alloying heat treatment is carried out to the second line base the second line base is made；
（5）A diameter of 0.1 ~ 0.3mm electrode squeeze is made after second line base is stretched and annealed.
5. a kind of preparation method of gamma wire electrode according to claim 4, it is characterised in that：In the stretching annealing
Draw speed is 1000 ~ 2000m/min, and annealing voltage is 50 ~ 100V, and annealing electric current is 20 ~ 50A.
6. a kind of preparation method of gamma wire electrode according to claim 4, it is characterised in that：The heat treatment temperature is
100 ~ 250 DEG C, heat treatment time is 5 ~ 20 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710483821.9A CN107309513A (en) | 2017-06-23 | 2017-06-23 | A kind of gamma wire electrode and preparation method thereof |
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| CN201710483821.9A CN107309513A (en) | 2017-06-23 | 2017-06-23 | A kind of gamma wire electrode and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125499A (en) * | 2019-05-14 | 2019-08-16 | 宁波博德高科股份有限公司 | The carbon containing slow wire feeding electric discharge machining polar filament and preparation method thereof in surface layer |
| CN112222552A (en) * | 2020-09-07 | 2021-01-15 | 宁波康强微电子技术有限公司 | Gamma electrode wire and preparation method thereof |
| CN113056569A (en) * | 2019-02-28 | 2021-06-29 | Ｊｘ金属株式会社 | Copper electrode material |
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| JPS59129624A (en) * | 1983-01-11 | 1984-07-26 | Sumitomo Electric Ind Ltd | Electrode wire for wire cut electro-discharge machining and its manufacture |
| CN105312698A (en) * | 2015-09-28 | 2016-02-10 | 宁波博威麦特莱科技有限公司 | Low-silver-oxygen electrode wire used for one-way wiring and manufacturing method of electrode wire |
| CN105328287A (en) * | 2015-11-13 | 2016-02-17 | 芜湖楚江合金铜材有限公司 | Low-speed wire cut electrical discharge machining electrode wire and preparation method thereof |
| CN105772878A (en) * | 2016-04-11 | 2016-07-20 | 尚成荣 | High-difficulty steel core wire electrode and manufacturing method thereof |
| CN105834533A (en) * | 2016-04-25 | 2016-08-10 | 宁波博威麦特莱科技有限公司 | Electrode wire used for spark cutting of low-speed wire cutting and preparation method of electrode wire |
| CN106270848A (en) * | 2016-08-31 | 2017-01-04 | 宁波博威麦特莱科技有限公司 | A kind of unidirectional wire electric discharge machining polar filament and preparation method thereof |
-
2017
- 2017-06-23 CN CN201710483821.9A patent/CN107309513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59129624A (en) * | 1983-01-11 | 1984-07-26 | Sumitomo Electric Ind Ltd | Electrode wire for wire cut electro-discharge machining and its manufacture |
| CN105312698A (en) * | 2015-09-28 | 2016-02-10 | 宁波博威麦特莱科技有限公司 | Low-silver-oxygen electrode wire used for one-way wiring and manufacturing method of electrode wire |
| CN105328287A (en) * | 2015-11-13 | 2016-02-17 | 芜湖楚江合金铜材有限公司 | Low-speed wire cut electrical discharge machining electrode wire and preparation method thereof |
| CN105772878A (en) * | 2016-04-11 | 2016-07-20 | 尚成荣 | High-difficulty steel core wire electrode and manufacturing method thereof |
| CN105834533A (en) * | 2016-04-25 | 2016-08-10 | 宁波博威麦特莱科技有限公司 | Electrode wire used for spark cutting of low-speed wire cutting and preparation method of electrode wire |
| CN106270848A (en) * | 2016-08-31 | 2017-01-04 | 宁波博威麦特莱科技有限公司 | A kind of unidirectional wire electric discharge machining polar filament and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113056569A (en) * | 2019-02-28 | 2021-06-29 | Ｊｘ金属株式会社 | Copper electrode material |
| CN113056569B (en) * | 2019-02-28 | 2022-02-11 | Ｊｘ金属株式会社 | Copper electrode material |
| CN110125499A (en) * | 2019-05-14 | 2019-08-16 | 宁波博德高科股份有限公司 | The carbon containing slow wire feeding electric discharge machining polar filament and preparation method thereof in surface layer |
| CN112222552A (en) * | 2020-09-07 | 2021-01-15 | 宁波康强微电子技术有限公司 | Gamma electrode wire and preparation method thereof |
| CN112222552B (en) * | 2020-09-07 | 2022-08-26 | 宁波康强微电子技术有限公司 | Gamma electrode wire and preparation method thereof |
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Application publication date: 20171103 |