CN102784982A - Molybdenum-copper alloy electrode wire used for processing quick wire moving electric spark and preparation method thereof - Google Patents
Molybdenum-copper alloy electrode wire used for processing quick wire moving electric spark and preparation method thereof Download PDFInfo
- Publication number
- CN102784982A CN102784982A CN2011101312967A CN201110131296A CN102784982A CN 102784982 A CN102784982 A CN 102784982A CN 2011101312967 A CN2011101312967 A CN 2011101312967A CN 201110131296 A CN201110131296 A CN 201110131296A CN 102784982 A CN102784982 A CN 102784982A
- Authority
- CN
- China
- Prior art keywords
- preparation
- electrode wires
- molybdenum
- alloy
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Conductive Materials (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention provides an electrode wire used for cutting quick wire moving electric spark wire and a preparation method of the electrode wire. The electrode wire comprises the following components: Cu, Ni, Fe, Zn, Si and Mo; moreover, the invention also discloses a preparation method of the molybdenum-copper alloy electrode wire. The preparation method is characterized by comprising the following technical steps: (1) adding materials to a vacuum sensing smelting furnace according to components and composition, and melting to obtain molten metal; (2) introducing the molten metal into continuous casting equipment to prepare into an alloy wire blank; and (3) processing the alloy blank by cooling, tensioning, annealing online, and stress relieving before forming a finished product, so as to obtain the electrode wire. With the adoption of the electrode wire provided by the invention, the corrosion resistance and cutting performance in the processing liquid are improved; and the electrode wire is stable in tensile strength and good in conductivity.
Description
Technical field
The present invention relates to a kind of spark machined and use electrode wires, more specifically, the present invention relates to a kind of thread feed electric spark line cutting electrode line of hurrying up.
Background technology
Wire-cut Electrical Discharge Machining is a kind of through producing electric discharge phenomena between electrode wires and the cutting object, and fusion cuts off the processing method of cutting object, is particularly suitable for the processing method of complicated shape.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 electrode wires 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.Existing Wire-cut Electrical Discharge Machining can be divided into two big types with electrode wires, promptly hurry up the thread feed electric spark line cutting electrode line and the thread feed electric spark line cutting electrode line of being careful.The thread feed electric spark line cutting electrode line of hurrying up that prior art is known has molybdenum filament, tungsten filament, tungsten silk etc.; Through the workpiece of fast wire electrode wires processing, its precision, fineness are all poor.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., the thread feed electric spark line of hurrying up cutting can not be satisfied its instructions for use.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of thread feed electric spark line cutting electrode line of hurrying up just; In the hope of when increasing the Wire-cut Electrical Discharge Machining speed of electrode wires, can guarantee that the Surface Machining roughness of precision die, precision instrument is low and described electrode wires cost is cheap relatively.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopted is: a kind of thread feed electric spark line cutting electrode line of hurrying up is characterized in that the component of described electrode wires comprises Cu, Ni, Fe, Zn, Si and Mo.
Preferably; The present invention provides a kind of thread feed electric spark line cutting electrode line of hurrying up, and it is characterized in that the component of described electrode wires and ratio are respectively: Cu 35%-41%, Ni 8.0%-9.6%; Fe 2.1-2.5%; Zn 1.5-2.5%, Si 0.30-0.60%, surplus is molybdenum and unavoidable impurities.
In addition, the invention also discloses the preparation method of the above-mentioned thread feed electric spark line cutting electrode line of hurrying up, 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 electrode wires that diameter is 0.20-0.25mm.
Wherein, in described step (1), preferred fusion temperature is 1200-1350 ℃, and temperature retention time is 10-200 minute; Preferred, described fusion temperature is 1250-1300 ℃, and temperature retention time is 20-100 minute.
Wherein, in described step (2), preferred, casting temperature is 1100-1200 ℃, 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 1250-1350mm/min, obtains the alloy preform material; Preferred, casting temperature is 1100-1150 ℃, and the crystallizer cooling water pressure is 0.7-0.8MPa during continuous casting.
Wherein, in described step (3), described online annealing temperature is 600-650 ℃, 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 250-350 ℃, and corresponding annealing time is 10-30 second, to eliminate the machining stress of final electrode wires finished product.
The existing thread feed electric spark electrode wires of hurrying up is compared in the present invention and the prior art, has following remarkable advantage and beneficial effect:
(1) the molybdenum-copper electrode wires that the application adopted is compared with traditional molybdenum electrode line, has improved the corrosion resistance of electrode wires in working fluid, and has also significantly improved its cutting ability, has especially significantly improved machining accuracy, has reduced the roughness of finished surface.
(2) its crystal property of electrode wires of employing the application's molybdenum-copper manufacturing is good, have stable tensile strength, and electric conductivity is good.
(3) processability of electrode wires line base of the present invention is good, process solutions, thus reduced the remarkable preparation cost that reduces electrode wires.
Description of drawings
Fig. 1 is the thread feed electric spark line cutting electrode line processing sketch map of hurrying up.
Fig. 2 is the manufacturing process sketch map of thread feed electric spark line cutting with the molybdenum-copper electrode wires of hurrying up.
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, Cu:35.0Kg; Ni:8.0Kg; Fe:2.1Kg; Zn:1.5Kg; Si:0.30Kg; Mo with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1350 ℃, and temperature retention time is 50 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: 1200 ℃, 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 1250mm/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: 350 ℃, annealing time: 10 seconds; The thread feed electric spark line cutting of hurrying up that must prepare uses the diameter of molybdenum alloy electrode wires to be 0.25mm.The chemical composition of described molybdenum alloy electrode wires finished product with consist of: Cu:35.0%; Ni:8.0%; Fe:2.1%; Zn:1.5%; Si:0.30%; Mo with surplus.
The tensile strength of test electrode line and percentage elongation on the universal electrical tensilometer; Adopt the surface roughness after tracer method is measured processing; Adopt its conductance of TX-300A intelligence electric lead resistivity measurement appearance test, test the Wire EDM speed of described electrode wires with No. 45 steel as workpiece.
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, Cu:41.0Kg; Ni:9.6Kg; Fe:2.5Kg; Zn:2.5Kg; Si:0.60Kg; Mo with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1200 ℃, and temperature retention time is 200 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 1350mm/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: 25 seconds; The thread feed electric spark line cutting of hurrying up that must prepare uses the diameter of molybdenum alloy electrode wires to be 0.25mm.The chemical composition of described molybdenum alloy electrode wires finished product with consist of: Cu:41.0%; Ni:9.6%; Fe:2.5%; Zn:2.5%; Si:0.60%; Mo with surplus.
The tensile strength of test electrode line 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 the Wire EDM speed of described electrode wires with No. 45 steel as workpiece.
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, Cu:41.0Kg; Ni:9.6Kg; Fe:2.1Kg; Zn:1.5Kg; Si:0.30Kg; Mo with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1250 ℃, and temperature retention time is 150 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: 1150 ℃, 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: 630 ℃, annealing time: 30 seconds; And the stress relief annealing before the finished product, annealing temperature: 300 ℃, annealing time: 25 seconds; The thread feed electric spark line cutting of hurrying up that must prepare uses the diameter of molybdenum alloy electrode wires to be 0.25mm.The chemical composition of described molybdenum alloy electrode wires finished product with consist of: Cu:41.0%; Ni:9.6%; Fe:2.1%; Zn:1.5%; Si:0.30%; Mo with surplus.
The tensile strength of test electrode line 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 the Wire EDM speed of described electrode wires with No. 45 steel as workpiece.
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, Cu:35.0Kg; Ni:8.0Kg; Fe:2.5Kg; Zn:2.5Kg; Si:0.60Kg; Mo with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1250 ℃, 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: 1150 ℃, 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: 625 ℃, annealing time: 25 seconds; And the stress relief annealing before the finished product, annealing temperature: 300 ℃, annealing time: 30 seconds; The thread feed electric spark line cutting of hurrying up that must prepare uses the diameter of molybdenum alloy electrode wires to be 0.25mm.The chemical composition of described molybdenum alloy electrode wires finished product with consist of: Cu:35.0%; Ni:8.0%; Fe:2.5%; Zn:2.5%; Si:0.60%; Mo with surplus.
The tensile strength of test electrode line 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 the Wire EDM speed of described electrode wires with No. 45 steel as workpiece.
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, Cu:38.0Kg; Ni:9.0Kg; Fe:2.3Kg; Zn:2.3Kg; Si:0.45Kg; Mo with surplus;
The alloy raw material of preparation is put into induction melting furnace make its fusing, fusion temperature is 1280 ℃, 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: 1150 ℃, 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: 625 ℃, annealing time: 25 seconds; And the stress relief annealing before the finished product, annealing temperature: 300 ℃, annealing time: 15 seconds; The thread feed electric spark line cutting of hurrying up that must prepare uses the diameter of molybdenum alloy electrode wires to be 0.25mm.The chemical composition of described molybdenum alloy electrode wires finished product with consist of: Cu:38.0%; Ni:9.0%; Fe:2.3%; Zn:2.3%; Si:0.45%; Mo with surplus.
The tensile strength of test electrode line 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 the Wire EDM speed of described electrode wires with No. 45 steel as workpiece.
Comparative example 1
Normally used Mo wire electrode in the prior art; The tensile strength and the percentage elongation of this wire electrode of test 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, the Wire EDM speed of testing described wire electrode as workpiece with No. 45 steel.
The comprehensive mechanical property of table 1 embodiment and comparative example, conductance and spark machined speed
Claims (7)
1. the molybdenum-copper electrode wires is used in the thread feed electric spark line cutting of hurrying up, and it is characterized in that the component of described electrode wires comprises Cu, Ni, Fe, Zn, Si and Mo.
2. the described thread feed electric spark line of hurrying up of claim 1 cuts the molybdenum alloy electrode wires; The component and the ratio that it is characterized in that described electrode wires are respectively: Cu 35%-41%; Ni 8.0%-9.6%, Fe 2.1-2.5%, Zn 1.5-2.5%; Si 0.30-0.60%, surplus is molybdenum and unavoidable impurities.
3. claim 1 or the 2 described thread feed electric spark lines of hurrying up cut the preparation method of molybdenum-copper electrode wires, 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 electrode wires that diameter is 0.20-0.25mm.
4. the described preparation method of claim 3, in described step (1), fusion temperature is 1200-1350 ℃, temperature retention time is 10-200 minute.
5. the described preparation method of claim 3, in described step (2), casting temperature is 1100-1200 ℃; The crystallizer cooling water pressure is 0.6-0.9MPa during continuous casting; Cold in-water temperature is 5-30 ℃, and casting speed is 1250-1350mm/min, obtains the alloy preform material.
6. the described preparation method of claim 3, in described step (3), described online annealing temperature is 600-650 ℃, annealing time is 10-50 second.
7. the described preparation method of claim 3, in described step (3), described stress relief annealing temperature is 250-350 ℃, corresponding annealing time is 10-30 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101312967A CN102784982A (en) | 2011-05-20 | 2011-05-20 | Molybdenum-copper alloy electrode wire used for processing quick wire moving electric spark and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101312967A CN102784982A (en) | 2011-05-20 | 2011-05-20 | Molybdenum-copper alloy electrode wire used for processing quick wire moving electric spark and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102784982A true CN102784982A (en) | 2012-11-21 |
Family
ID=47150677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101312967A Pending CN102784982A (en) | 2011-05-20 | 2011-05-20 | Molybdenum-copper alloy electrode wire used for processing quick wire moving electric spark and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102784982A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0416541A1 (en) * | 1989-09-05 | 1991-03-13 | Sumitomo Electric Industries, Ltd. | Electrode for electric discharge machining |
| JPH07335021A (en) * | 1994-06-03 | 1995-12-22 | Hitachi Cable Ltd | Composite metal material and electric discharge machining electrode wire |
| CN1236337A (en) * | 1997-07-30 | 1999-11-24 | 成机哲 | Porous electrode wire for electric discharge machine and its producing method |
| CN1255167A (en) * | 1997-04-18 | 2000-05-31 | 奥林公司 | Grain refined tin brass |
| CN1706580A (en) * | 2004-06-09 | 2005-12-14 | 通用电气公司 | Method and system for fabricating components |
-
2011
- 2011-05-20 CN CN2011101312967A patent/CN102784982A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0416541A1 (en) * | 1989-09-05 | 1991-03-13 | Sumitomo Electric Industries, Ltd. | Electrode for electric discharge machining |
| JPH07335021A (en) * | 1994-06-03 | 1995-12-22 | Hitachi Cable Ltd | Composite metal material and electric discharge machining electrode wire |
| CN1255167A (en) * | 1997-04-18 | 2000-05-31 | 奥林公司 | Grain refined tin brass |
| CN1236337A (en) * | 1997-07-30 | 1999-11-24 | 成机哲 | Porous electrode wire for electric discharge machine and its producing method |
| CN1706580A (en) * | 2004-06-09 | 2005-12-14 | 通用电气公司 | Method and system for fabricating components |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101873953B1 (en) | High-precision zinc-based alloy electrode wire and preparation method therefor | |
| CN101787463B (en) | Environmentally-friendly lead-free free-machining zinc white copper and preparation method thereof | |
| CN109201770B (en) | Processing method of large-caliber overlong copper coil | |
| CN109266901B (en) | Preparation method of Cu15Ni8Sn high-strength wear-resistant alloy rod/wire | |
| CN105312698B (en) | The low unidirectional wire wire electrode of silver-colored oxygen and its manufacture method | |
| CN101791638A (en) | The manufacture method of Cu-Ag alloy wire and Cu-Ag alloy wire | |
| CN103521943A (en) | Brazing aluminum silicon copper alloy seamless flux-cored wire and preparation and application thereof | |
| CN111235427A (en) | Free-cutting brass alloy and preparation method and application thereof | |
| CN103192203B (en) | Process method for preparing silver solder | |
| CN102784978A (en) | Slow-wire-walking electrospark wire-electrode cutting copper alloy electrode wire and manufacture method thereof | |
| CN103060605A (en) | Novel lead-free environmentally-friendly high-strength wearable copper-based alloy rod and preparation method thereof | |
| CN112264732A (en) | Welding wire for copper/steel dissimilar welding, preparation method of welding wire and copper/steel dissimilar welding method | |
| CN105401044A (en) | Copper alloy wire for ultrafine machining and preparing method for copper alloy wire | |
| CN102784980A (en) | Molybdenum alloy electrode wire used for quick wire moving electric spark wire | |
| CN101439429B (en) | Electrode wire for slow-travel wire spark erosion fabrication and preparation method thereof | |
| CN102784979A (en) | Metal wire for fast-wire-walking electrical discharge machining and manufacture method thereof | |
| CN107497880A (en) | A kind of production method of tellurium selenium copper rod | |
| CN103667782A (en) | Brass alloy and production method thereof | |
| CN107855679B (en) | Low-silver solder for sealing vacuum electronic device and preparation method thereof | |
| CN102784982A (en) | Molybdenum-copper alloy electrode wire used for processing quick wire moving electric spark and preparation method thereof | |
| CN102560184B (en) | Lead-free, easily-cut and high-conductivity calcium-copper material | |
| CN102806394A (en) | Skin-core structure wire for molybdenum-copper alloy wire electrical discharge machining | |
| JP5607460B2 (en) | Copper alloy ingot and copper alloy material excellent in machinability, and copper alloy parts using the same | |
| CN102806395A (en) | Skin-core structural filament material for molybdenum alloy electro-spark wire cutting | |
| CN102784981A (en) | Slow-wire-walking electrospark wire-electrode cutting metal wire and manufacture method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121121 |