CN102784981A - Slow-wire-walking electrospark wire-electrode cutting metal wire and manufacture method thereof - Google Patents
Slow-wire-walking electrospark wire-electrode cutting metal wire and manufacture method thereof Download PDFInfo
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- CN102784981A CN102784981A CN2011101312897A CN201110131289A CN102784981A CN 102784981 A CN102784981 A CN 102784981A CN 2011101312897 A CN2011101312897 A CN 2011101312897A CN 201110131289 A CN201110131289 A CN 201110131289A CN 102784981 A CN102784981 A CN 102784981A
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Abstract
The invention provides a slow-wire-walking electrospark wire-electrode cutting metal wire and a manufacture method thereof, wherein the components of the metal wire include Zn, Al, Ni, Mn, Mo and Cu. The invention further discloses the manufacture method of the slow-wire-walking electrospark wire-electrode cutting metal wire. The manufacture method is characterized by comprising the following processing steps: (1) feeding materials into a vacuum induction melting furnace according to components and compositions, and melting the materials to obtain molten metal liquid; (2) guiding the molten metal liquid into a continuous casting device to manufacture alloy wire blank; and (3) performing cooling stretching, on-line annealing and stress relief annealing before product finishing on the alloy wire blank to obtain the metal wire. The corrosion resistance and cutting performance of the metal wire in working fluid are improved, and the metal wire is stable in tensile strength and good in electrical conductivity.
Description
Technical field
The present invention relates to a kind of Wire EDM wire, more specifically, the present invention relates to a kind of thread feed electric spark line cutting metal wire of being careful.
Background technology
The principle of spark machined is in certain medium, loses based on the galvano-cautery phenomenon of pulse feature spark discharge between instrument and the workpiece (positive and negative electrode) and removes unnecessary metal, thereby reach the predetermined processing request such as size, shape and surface quality to part.Wire-cut Electrical Discharge Machining (being called for short WEDM) is a kind of new process form that on the spark machined basis, grows up as far back as the Soviet Union in late 1950s; The basic principle of Wire-cut Electrical Discharge Machining is to utilize the thin plain conductor that constantly moves as tool-electrode, forms pulse feature discharge corrosion workpiece between itself and the workpiece and realizes processing.Wire-cut Electrical Discharge Machining has that allowance is little, machining accuracy is high, with short production cycle, outstanding advantage such as processing cost is low.
Use wire for Wire-cut Electrical Discharge Machining, it is desirable to it and have that process velocity is fast, tensile strength is high, toughness is strong, good conductivity, characteristic such as cheap.The thread feed electric spark line cutting metal wire of being careful of prior art has brass wire, zinc-plated brass wire, zinc-coated wire, β silk, γ silk etc.In the thread feed electric spark line cutting electrode silk of being careful of the prior art, generally be employed in plating zinc on surface and improve its process velocity.But when to the precision of processing parts, when fineness is had relatively high expectations; Such as the parts of precision die, precision instrument, the demanding part of surface quality etc.; Wire EDM of the prior art performance wiry is difficult to take into account simultaneously speed and quality requirement.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of thread feed electric spark line cutting of being careful to use wire just; In the cutting processing speed in the hope of the thread feed electric spark line cutting metal wire of being careful in increase, can guarantee that the Surface Machining roughness of precision die, precision instrument is low and described wire cost is cheap relatively.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopted is: wire is used in a kind of thread feed electric spark line cutting of being careful, and it is characterized in that described component wiry comprises Zn, Al, Ni, Mn, Mo and Cu.
Preferably; The present invention provides a kind of thread feed electric spark line cutting of being careful to use wire, it is characterized in that described component wiry and ratio are respectively: Zn:36%-38%, Al:12%-15%; Ni:3.0%-5.0%; Mn:0.30-0.80%, Mo0.30-0.80%, surplus is copper and unavoidable impurities.
In addition, the invention also discloses the above-mentioned thread feed electric spark line cutting of being careful and use preparation method wiry, it is characterized in that comprising following processing step:
(1) in vacuum induction melting furnace, presses composition and form reinforcedly, and make its fusing, obtain melt metal liquid;
(2) melt metal liquid is imported in the continuous casting installation for casting preparation alloy wire base;
(3) stress relief annealing of alloy preform material before cooling stretching and online annealing and finished product processed the wire that diameter is 0.20-0.25mm.
Wherein, in described step (1), preferred, fusion temperature is 1050-1150 ℃, and temperature retention time is 50-150 minute; Preferred, described fusion temperature is 1050-1100 ℃, and temperature retention time is 50-100 minute.
Wherein, in described step (2), preferred, casting temperature is 1000-1050 ℃, and the crystallizer cooling water pressure is 0.6-0.9MPa during continuous casting, and cold in-water temperature is 5-30 ℃, and casting speed is 1200-1300mm/min, obtains the alloy preform material; Preferred, casting temperature is 1000-1100 ℃, and the crystallizer cooling water pressure is 0.7-0.8MPa during continuous casting.
Wherein, in described step (3), described online annealing temperature is 600-680 ℃, and annealing time is 10-50 second, so that crystallization again takes place the wire rod that alloy material line base obtains after stretched, is convenient to follow-up stretch process.
Wherein, in described step (3), described stress relief annealing temperature is 200-250 ℃, and corresponding annealing time is 10-20 second, to eliminate the machining stress of final wire finished product.
The existing thread feed electric spark wire of being careful is compared in the present invention and the prior art, has following remarkable advantage and beneficial effect:
(1) the copper alloy metal silk that the application adopted is compared with traditional brass wire, has improved the corrosion resistance of wire in working fluid, and has also significantly improved its cutting ability, has particularly reduced the surface roughness after the processing significantly.
(2) its crystal property of wire of employing the application's copper alloy manufacturing is good, have stable tensile strength, and electric conductivity is good.
(3) processability of tinsel base of the present invention is good, process solutions, thus reduced the remarkable preparation cost wiry that reduced.
Description of drawings
Fig. 1 cuts with processing sketch map wiry for the thread feed electric spark line of being careful.
Fig. 2 cuts with manufacturing process sketch map wiry for the thread feed electric spark line of being careful.
The specific embodiment
Hereinafter will combine concrete embodiment that technical scheme of the present invention is done further detailed explanation.
Embodiment 1
Prepare the alloy raw material (can be the high pure raw material of bulk or powder) that adds up to 100Kg by following quality, wherein, Zn:36.0Kg; Al:12.0Kg; Ni:3.0Kg; Mn:0.30Kg; Mo:0.30Kg; Cu with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1050 ℃, and temperature retention time is 100 minutes;
The alloy liquid of fusion is imported in the horizontal casting stove; Adopt continuous cast method to prepare the alloy wire base; Casting parameters is: casting temperature: 1000 ℃, the crystallizer cooling water pressure is 0.7～0.8MPa during continuous casting, cold in-water temperature 5-30 ℃; The Inlet and outlet water temperature difference is 5～15 ℃, and casting speed is 1200mm/min;
With prepared alloy preform through multiple tracks cold stretch and online annealing, annealing temperature: 600 ℃, annealing time: 50 seconds; And the stress relief annealing before the finished product, annealing temperature: 250 ℃, annealing time: 10 seconds; The diameter of the thread feed electric spark line cutting metal wire of being careful that must prepare is 0.25mm.The chemical composition of described wire finished product with consist of: Zn:36.0%; Al:12.0%; Ni:3.0%; Mn:0.30%; Mo:0.30%; Cu with surplus.
The tensile strength of test wire and percentage elongation on the universal electrical tensilometer; Adopt its conductance of TX-300A intelligence electric lead resistivity measurement appearance test; Adopt the surface roughness after tracer method is measured processing, test described Wire EDM speed wiry as workpiece with No. 45 steel.
Embodiment 2
Prepare the alloy raw material (can be the high pure raw material of bulk or powder) that adds up to 100Kg by following quality, wherein, Zn:36.0Kg; Al:12.0Kg; Ni:5.0Kg; Mn:0.80Kg; Mo:0.80Kg; Cu with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1050 ℃, and temperature retention time is 100 minutes;
The alloy liquid of fusion is imported in the horizontal casting stove; Adopt continuous cast method to prepare the alloy wire base; Casting parameters is: casting temperature: 1000 ℃, the crystallizer cooling water pressure is 0.7～0.8MPa during continuous casting, cold in-water temperature 5-30 ℃; The Inlet and outlet water temperature difference is 5～15 ℃, and casting speed is 1200mm/min;
With prepared alloy preform through multiple tracks cold stretch and online annealing, annealing temperature: 650 ℃, annealing time: 25 seconds; And the stress relief annealing before the finished product, annealing temperature: 200 ℃, annealing time: 20 seconds; The diameter of the thread feed electric spark line cutting metal wire of being careful that must prepare is 0.25mm.The chemical composition of described wire finished product with consist of: Zn:36.0%; Al:12.0%; Ni:5.0%; Mn:0.80%; Mo:0.80%; Cu with surplus.
The tensile strength of test wire and percentage elongation on the universal electrical tensilometer; Adopt its conductance of TX-300A intelligence electric lead resistivity measurement appearance test; Adopt the surface roughness after tracer method is measured processing, test described Wire EDM speed wiry as workpiece with No. 45 steel.
Embodiment 3
Prepare the alloy raw material (can be the high pure raw material of bulk or powder) that adds up to 100Kg by following quality, wherein, Zn:38.0Kg; Al:15.0Kg; Ni:5.0Kg; Mn:0.80Kg; Mo:0.80Kg; Cu with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1150 ℃, and temperature retention time is 100 minutes;
The alloy liquid of fusion is imported in the horizontal casting stove; Adopt continuous cast method to prepare the alloy wire base; Casting parameters is: casting temperature: 1100 ℃, the crystallizer cooling water pressure is 0.7～0.8MPa during continuous casting, cold in-water temperature 5-30 ℃; The Inlet and outlet water temperature difference is 5～15 ℃, and casting speed is 1200mm/min;
With prepared alloy preform through multiple tracks cold stretch and online annealing, annealing temperature: 680 ℃, annealing time: 25 seconds; And the stress relief annealing before the finished product, annealing temperature: 250 ℃, annealing time: 20 seconds; The diameter of the thread feed electric spark line cutting metal wire of being careful that must prepare is 0.25mm.The chemical composition of described wire finished product with consist of: Zn:38.0%; Al:15.0%; Ni:5.0%; Mn:0.80%; Mo:0.80%; Cu with surplus.
The tensile strength of test wire and percentage elongation on the universal electrical tensilometer; Adopt its conductance of TX-300A intelligence electric lead resistivity measurement appearance test; Adopt the surface roughness after tracer method is measured processing, test described Wire EDM speed wiry as workpiece with No. 45 steel.
Embodiment 4
Prepare the alloy raw material (can be the high pure raw material of bulk or powder) that adds up to 100Kg by following quality, wherein, Zn:38.0Kg; Al:15.0Kg; Ni:3.0Kg; Mn:0.30Kg; Mo:0.30Kg; Cu with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1100 ℃, and temperature retention time is 100 minutes;
The alloy liquid of fusion is imported in the horizontal casting stove; Adopt continuous cast method to prepare the alloy wire base; Casting parameters is: casting temperature: 1050 ℃, the crystallizer cooling water pressure is 0.7～0.8MPa during continuous casting, cold in-water temperature 5-30 ℃; The Inlet and outlet water temperature difference is 5～15 ℃, and casting speed is 1300mm/min;
With prepared alloy preform through multiple tracks cold stretch and online annealing, annealing temperature: 650 ℃, annealing time: 25 seconds; And the stress relief annealing before the finished product, annealing temperature: 200 ℃, annealing time: 20 seconds; The diameter of the thread feed electric spark line cutting metal wire of being careful that must prepare is 0.25mm.The chemical composition of described wire finished product with consist of: Zn:38.0%; Al:15.0%; Ni:3.0%; Mn:0.30%; Mo:0.30%; Cu with surplus.
The tensile strength of test wire and percentage elongation on the universal electrical tensilometer; Adopt its conductance of TX-300A intelligence electric lead resistivity measurement appearance test; Adopt the surface roughness after tracer method is measured processing, test described Wire EDM speed wiry as workpiece with No. 45 steel.
Embodiment 5
Prepare the alloy raw material (can be the high pure raw material of bulk or powder) that adds up to 100Kg by following quality, wherein, Zn:37.0Kg; Al:13.5Kg; Ni:4.0Kg; Mn:0.55Kg; Mo:0.55Kg; Cu with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1050 ℃, and temperature retention time is 100 minutes;
The alloy liquid of fusion is imported in the horizontal casting stove; Adopt continuous cast method to prepare the alloy wire base; Casting parameters is: casting temperature: 1000 ℃, the crystallizer cooling water pressure is 0.7～0.8MPa during continuous casting, cold in-water temperature 5-30 ℃; The Inlet and outlet water temperature difference is 5～15 ℃, and casting speed is 1200mm/min;
With prepared alloy preform through multiple tracks cold stretch and online annealing, annealing temperature: 650 ℃, annealing time: 25 seconds; And the stress relief annealing before the finished product, annealing temperature: 220 ℃, annealing time: 20 seconds; The diameter of the thread feed electric spark line cutting metal wire of being careful that must prepare is 0.25mm.The chemical composition of described wire finished product with consist of: Zn:37.0%; Al:13.5%; Ni:4.0%; Mn:0.55%; Mo:0.55%; Cu with surplus.
The tensile strength of test wire and percentage elongation on the universal electrical tensilometer; Adopt its conductance of TX-300A intelligence electric lead resistivity measurement appearance test; Adopt the surface roughness after tracer method is measured processing, test described Wire EDM speed wiry as workpiece with No. 45 steel.
The comprehensive mechanical property of table 1 embodiment and comparative example, conductance and Wire EDM speed
Claims (7)
1. wire is used in the thread feed electric spark line cutting of being careful, and it is characterized in that described component wiry comprises Zn, Al, Ni, Mn, Mo and Cu.
2. wire is used in the described thread feed electric spark processing of being careful of claim 1; It is characterized in that described component wiry and ratio are respectively: Zn:36%-38%; Al:12%-15%, Ni:3.0%-5.0%, Mn:0.30-0.80%; Mo 0.30-0.80%, surplus is copper and unavoidable impurities.
3. the preparation method of claim 1 or the 2 described thread feed electric spark line cutting metal wires of being careful is characterized in that comprising following processing step:
(1) in vacuum induction melting furnace, presses composition and form reinforcedly, and make its fusing, obtain melt metal liquid;
(2) melt metal liquid is imported in the continuous casting installation for casting preparation alloy wire base;
(3) stress relief annealing of alloy preform material before cooling stretching and online annealing and finished product processed the wire that diameter is 0.20-0.25mm.
4. the described preparation method of claim 3, in described step (1), fusion temperature is 1050-1150 ℃, temperature retention time is 50-200 minute.
5. the described preparation method of claim 3, in described step (2), casting temperature is 1000-1050 ℃, and the crystallizer cooling water pressure is 0.6-0.9MPa during continuous casting, and cold in-water temperature is 5-30 ℃, and casting speed is 1200-1300mm/min.
6. the described preparation method of claim 3, in described step (3), described online annealing temperature is 600-680 ℃, annealing time is 10-50 second.
7. the described preparation method of claim 3, in described step (3), described stress relief annealing temperature is 200-250 ℃, corresponding annealing time is 10-20 second.
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| CN2011101312897A CN102784981A (en) | 2011-05-20 | 2011-05-20 | Slow-wire-walking electrospark wire-electrode cutting metal wire and manufacture method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215856A (en) * | 2020-02-22 | 2020-06-02 | 杭州富阳裕红线材制品设备有限公司 | Steel core wire electrode wire plated with copper and then plated with zinc and production process |
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| JP3003914B2 (en) * | 1994-10-25 | 2000-01-31 | 日鉱金属株式会社 | Method for producing copper alloy containing active metal |
| CN1255167A (en) * | 1997-04-18 | 2000-05-31 | 奥林公司 | Grain refined tin brass |
| CN101362232A (en) * | 2008-09-28 | 2009-02-11 | 苏州欣达双金属材料有限公司 | Electric spark cutting wire and manufacturing method thereof |
| CN101440464A (en) * | 2007-11-24 | 2009-05-27 | 比亚迪股份有限公司 | Zirconium based amorphous alloy and manufacture method thereof |
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2011
- 2011-05-20 CN CN2011101312897A patent/CN102784981A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3003914B2 (en) * | 1994-10-25 | 2000-01-31 | 日鉱金属株式会社 | Method for producing copper alloy containing active metal |
| CN1255167A (en) * | 1997-04-18 | 2000-05-31 | 奥林公司 | Grain refined tin brass |
| CN101440464A (en) * | 2007-11-24 | 2009-05-27 | 比亚迪股份有限公司 | Zirconium based amorphous alloy and manufacture method thereof |
| CN101362232A (en) * | 2008-09-28 | 2009-02-11 | 苏州欣达双金属材料有限公司 | Electric spark cutting wire and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215856A (en) * | 2020-02-22 | 2020-06-02 | 杭州富阳裕红线材制品设备有限公司 | Steel core wire electrode wire plated with copper and then plated with zinc and production process |
| CN111215856B (en) * | 2020-02-22 | 2021-10-22 | 杭州富阳裕红线材制品设备有限公司 | Steel core wire electrode wire plated with copper and then plated with zinc and production process |
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Application publication date: 20121121 |