CN101368287A - Multi-working procedure combined ultra-fine molybdenum filament continuous processing method and equipment - Google Patents
Multi-working procedure combined ultra-fine molybdenum filament continuous processing method and equipment Download PDFInfo
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- CN101368287A CN101368287A CNA2008101509371A CN200810150937A CN101368287A CN 101368287 A CN101368287 A CN 101368287A CN A2008101509371 A CNA2008101509371 A CN A2008101509371A CN 200810150937 A CN200810150937 A CN 200810150937A CN 101368287 A CN101368287 A CN 101368287A
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 238000000034 method Methods 0.000 title claims abstract description 28
- 229910052750 molybdenum Inorganic materials 0.000 title claims description 131
- 239000011733 molybdenum Substances 0.000 title claims description 131
- 238000003672 processing method Methods 0.000 title claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 26
- 239000001257 hydrogen Substances 0.000 claims abstract description 26
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- 230000007797 corrosion Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 30
- 230000001012 protector Effects 0.000 claims description 28
- 230000005021 gait Effects 0.000 claims description 7
- 238000000137 annealing Methods 0.000 abstract description 11
- 238000003754 machining Methods 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 15
- 239000000243 solution Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000005498 polishing Methods 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007669 thermal treatment Methods 0.000 description 3
- 230000004304 visual acuity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a multi-procedure combined ultra-fine molybdenum wire continuous machining method, including the following steps: (a) transversely arranging a plurality of electrolytic cells evenly which are filled with NaOH solution and charged with hydrogen at the outside for protection; wherein two adjacent electrolytic cells have opposite polarities; (b) reducing diameter through high temperature corrosion, eliminating stress-annealing and straightening: straightening the molybdenum wire, and then enabling the molybdenum wire for being machined to transversely run through the electrolytic cells (a plurality) at the speed V of 1-50m/min,while heating the temperature to 800-1100 DEG C. The machining equipment includes a plurality of electrolytic cells, a protecting device, an unwinder, a towing mechanism and a power source connected with the electrolytic cells. A hydrogen gate is arranged on the protecting device and the hydrogen inside the protecting device flows in the same direction with the movement of the molybdenum wire waiting to be processed. The multi-procedure combined ultra-fine molybdenum wire continuous machining method is simple in working procedure; the equipment is simple in structure and is convenient and easy to operate and control; and the three different procedures of reducing diameter through high temperature corrosion, eliminating stress-annealing and straightening are combined into a whole, thus realizing the continuous machining.
Description
Technical field
The present invention relates to refractory metal silk material processing technology field, especially relate to a kind of ultra-fine molybdenum filament continuous processing method and equipment of multiple operation combination.
Background technology
Along with the develop rapidly of aerospace industry, spaceborne number of devices constantly increases, and it is light as far as possible that this just requires to carry the weight of equipment take advantage of.In order to realize the communication of spacecraft and ground control system, the communication antenna that is used to transmit is an important components, and the distance of signal transmission is far away more, and the size of antenna is big more, and weight is also just heavy more.Yet, the HALCA satellite weight of Japan's operation only is 830 kilograms, its obvious characteristics is to have one about 8 meters long gold-plated molybdenum filament net antenna, and just this antenna makes HALCA become in the world first and is sent to too aerial very long baseline interferometer device.As a radio instrument, the resolving power of HALCA is almost high 1000 times than the resolving power of Hubble on optical wavelength.The scientist of ISAS claims that the adding of HALCA will make the resolving power of ground very long baseline interferometer device improve 3 times.After the ground radio telescope combined, the angular resolution of HALCA can reach 60 little rads.In this gold-plated molybdenum filament net antenna, ultra-fine molybdenum filament is the material of a key.
For the working method of ultra-fine molybdenum filament, mainly be combined die drawing method and electrolytic process, the filament of processing diameter more than 20 μ m.In " application of electropolishing technology in tungsten processing " that Li Rongfa delivers in " rare metal and the Wimet " magazine in June, 1989, describe the mechanism of electropolishing and the device structure of electropolishing in detail, he thinks: electrolytic process substitutes the direction that the die drawing method is the processing ultra-fine tungsten wires.In " electrolytic cleaning high temperature is directly changed the technical study of tungsten silk material " article that Tang Yuanchun delivered in " lamp and illumination " 2000 the 24th the 1st phase of volume; narrated and adopted electrolytic cleaning tungsten silk and the technology of straightization tungsten silk under hydrogen shield atmosphere; point out simultaneously: the tensile strength of molybdenum filament increases considerably after the electrolysis, but unit elongation sharply descends.Narrated in " the electropolishing legal system is equipped with ultra-fine molybdenum filament and sign thereof " that people such as Zhang Zhimin delivered in " atomic energy science technology " 2006 the 39th the 6th phase of volume molybdenum filament in electrolytic process electrolytic voltage, temperature, concentration of electrolyte to the rule that influences in silk footpath.
As can be seen, existing ultra-fine molybdenum filament has following two shortcomings from above document: 1, ultra-fine molybdenum filament is difficult to realize final annealing thermal treatment, and the molybdenum filament machining stress is big, the easy clot of molybdenum filament; 2, the unit elongation of ultra-fine molybdenum filament is low.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of ultra-fine molybdenum filament continuous processing method and equipment of multiple operation combination are provided, its process is simple, the false list of device structure and red-tape operati are easy, can and directly change three kinds of different operation processes with high temperature corrosion tube reducing, the stress relieving of molybdenum filament and effectively be combined into one and realize continuous processing.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of ultra-fine molybdenum filament continuous processing method of multiple operation combination is characterized in that this method may further comprise the steps:
(a) laterally evenly lay a plurality of electrolyzers that NaOH solution is housed respectively side by side: the polarity of adjacent two electrolyzers is opposite, and described electrolyzer is complied with the negative or positive electrode that its positive-negative polarity is connected to power supply respectively, and power source voltage U is 0.5～4V;
(b) high temperature corrosion tube reducing, stress relieving and straightization: charging under hydrogen protects, with diameter be the molybdenum filament to be processed of 0.050～0.030mm stretching after, from a plurality of electrolyzers, be horizontally through successively with the gait of march of V=1～50m/min; The length L that described molybdenum filament to be processed is positioned between adjacent two electrolyzers is 20～50mm, and the length that molybdenum filament to be processed is positioned at each electrolyzer is D and 1≤D≤1.5L; In the energising heat-processed, according to formula
Voltage U and gait of march V are controlled adjustment, and wherein C is the specific heat capacity of molybdenum, and d is the density of molybdenum, and ρ is the resistivity of molybdenum, and T is the temperature before adjusting, T
0Be adjusted temperature; When the temperature that is positioned between adjacent two electrolyzers part when molybdenum filament to be processed was heated to 800～1100 ℃, the ultra-fine molybdenum filament that processing treatment obtains was salable product.
Described power supply is direct supply, AC power or the pulse power.
Realize the equipment of the ultra-fine molybdenum filament continuous processing method of a kind of multiple operation combination, it is characterized in that: the unreeling device, be positioned at the power supply stretching and that draw haulage gear that molybdenum filament to be processed laterally moves and join with electrolyzer respectively that is used for of the outside opposite side of protector of the placement molybdenum filament to be processed that comprise a plurality of electrolyzers, the protector that is arranged on described a plurality of electrolyzers outside evenly laid side by side, is positioned at the outside side of protector; Described protector one side is provided with hydrogen inlet and its opposite side is provided with the hydrogen air outlet, the flow direction of protector internal hydrogen is consistent with the travel direction of molybdenum filament to be processed, the corresponding through hole that passes for molybdenum filament to be processed that is provided with on the sidewall of described a plurality of electrolyzers; The polarity of adjacent two electrolyzers is opposite, and described electrolyzer is connected to the negative or positive electrode that voltage is the power supply of 0.5～4V respectively according to its positive-negative polarity.
Described electrolyzer be shaped as cubes or right cylinder.
The quantity of described electrolyzer is six, and the polarity of described six electrolyzers is followed successively by negative, positive, negative, positive, negative, positive from right to left; Unreel device and be positioned at the outside right side of protector, described haulage gear is positioned at the outer left side of protector; Hydrogen inlet is positioned at the right side of protector, and the hydrogen air outlet is positioned at the left side of protector.
Described haulage gear is a traction wheel.
The length L that described molybdenum filament to be processed is positioned between adjacent two electrolyzers is identical with the length D that molybdenum filament to be processed is positioned at each electrolyzer.
The present invention compared with prior art has the following advantages, 1, process is simple, time saving and energy saving and processing treatment is effective, can and directly change three kinds of different operation processes with high temperature corrosion tube reducing, the stress relieving of molybdenum filament and effectively be combined into one, make tube reducing polishing, stress relieving and straightization of molybdenum filament to be processed once to finish; 2, simple in structure, the less investment of equipment used is used easy and simple to handle and to take up an area of the space less, can realize the above-mentioned high temperature corrosion tube reducing of molybdenum filament, stress relieving and directly change the continuous processing of three kinds of operations by this processing units; 3, in the molybdenum filament energising heat-processed, control is convenient, and is workable, walks speed V at once by the wire travelling speed of control voltage U and molybdenum filament, just can realize the adjusting control to temperature; That is to say,, just can realize high temperature corrosion polishing, stress relieving and straightization molybdenum filament to be processed by control power source voltage U and the speed of travel V of molybdenum filament to be processed and the tension force of traction wheel; 4, can be that the molybdenum filament to be processed of 0.050mm～0.030mm is processed into light, annealing that the diameter minimum reaches 0.010mm and the ultra-fine molybdenum filament of directly changing state with diameter.To sum up, the invention provides a kind of high temperature corrosion tube reducing polishing with molybdenum filament, three kinds of continuous process and equipment that operation is organically combined such as annealing thermal treatment and straightization processing, its process is simple, false list of device structure and red-tape operati are simple and convenient, can be with the high temperature corrosion tube reducing of molybdenum filament, three kinds of different operation processes of stress relieving and straightization effectively are combined into one and realize continuous processing, and existing ultra-fine molybdenum filament is difficult to realize final annealing thermal treatment in the ultra-fine molybdenum filament course of processing thereby can effectively solve, the molybdenum filament machining stress is big, easy clot of molybdenum filament and the low problem of ultra-fine molybdenum filament unit elongation.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of processing units among the present invention.
Fig. 2 is the annexation synoptic diagram of positive-negative polarity electrolyzer and power supply among Fig. 1.
Description of reference numerals:
1-molybdenum filament to be processed; 2-unreel device; 3-traction wheel;
4-protector; 5-negative polarity electrolyzer; 6-straight polarity electrolyzer;
7-power supply; 8-hydrogen inlet; 9-hydrogen air outlet.
Embodiment
The ultra-fine molybdenum filament continuous processing method of a kind of multiple operation combination of the present invention may further comprise the steps:
The first step, horizontal even side by side a plurality of electrolyzers that NaOH solution is housed respectively of laying: the polarity of adjacent two electrolyzers is opposite, and described electrolyzer is complied with the negative or positive electrode that its positive-negative polarity is connected to power supply 7 respectively, and the voltage U of power supply 7 is 0.5～4V;
Second step, high temperature corrosion tube reducing, stress relieving and straightization: charging under hydrogen protects, with diameter be the molybdenum filament to be processed 1 of 0.050～0.030mm stretching after, from a plurality of electrolyzers that NaOH solution is housed respectively, be horizontally through successively with the gait of march of V=1～50m/min; The length L that described molybdenum filament to be processed 1 is positioned between adjacent two electrolyzers is 20～50mm, and the length that described molybdenum filament 1 to be processed is positioned at each electrolyzer is D and 1≤D≤1.5L; In the energising heat-processed, according to formula
Voltage U and gait of march V are adjusted, and wherein C is the specific heat capacity of molybdenum, and d is the density of molybdenum, and ρ is the resistivity of molybdenum, and T is the temperature before adjusting, T
0Be adjusted temperature; When the temperature that is positioned between adjacent two electrolyzers part when molybdenum filament 1 to be processed was heated to 800～1100 ℃, the ultra-fine molybdenum filament that processing treatment obtains was salable product.Wherein, described power supply 7 is direct supply, AC power or the pulse power.
The present invention to treating processes and the theoretical foundation that molybdenum filament 1 to be processed carries out high temperature corrosion tube reducing, stress relieving and straightization is: experimental results show that, generally, the surface of molybdenum generates one deck oxide film, this layer oxide film adopts electrolytic method to get and removes, that is to say, can adopt electrolysis process that molybdenum filament is carried out electropolishing.Its principle is: molybdenum filament will produce reaction: Mo+3[0 during at positive half cycle under the effect of alternating-current and when molybdenum filament] → MoO
3, promptly surface of molybdenum wire under is oxidized to molybdic oxide; And when molybdenum filament during at negative half period, the molybdenum oxide of surface of molybdenum wire under and the reaction of the sodium hydroxide in the solution generate the Sodium orthomolybdate of solubility, thereby have realized electropolishing, also can realize tube reducing to a certain extent simultaneously.
Reaction process is carried out in the atmosphere of hydrogen shield, when molybdenum filament 1 energising to be processed is heated to 600 ℃, and the oxide compound (MoO that it is surperficial
3) begin to volatilize; When the temperature that is heated to more than 800 ℃, its surperficial oxide compound volatilizees fully, and molybdenum filament promptly to be processed 1 surface does not have material such as oxide compound to generate, this moment oxide compound (MoO
3) dissolving rapidly in pyritous NaOH solution, and the high more reaction of temperature is fast more.To sum up, under the condition of high temperature, molybdenum filament 1 to be processed is subjected to chemical corrosion and carries out quick tube reducing and polishing in NaOH solution.Simultaneously, experiment showed, that molybdenum filament 1 to be processed is after heat-treating under 800 ℃～1000 ℃ temperature, its machining stress reduces and unit elongation increases, and when the temperature more than 800 ℃, machining stress is eliminated, and can also be straightization by alignment under the tensile effect.
According to theoretical analysis, after molybdenum filament 1 energising to be processed, from temperature T
0Be heated to required heat Q=Cm (T-T after the temperature T
0).Wherein, the quality of molybdenum filament 1 to be processed: m=dSL, m are the quality of molybdenum filament 1 to be processed, and d is the density of molybdenum filament 1 to be processed, and S is the sectional area of molybdenum filament 1 to be processed, and C is the specific heat of molybdenum.The length of molybdenum filament 1 to be processed is L between adjacent two electrolyzers, and the voltage of power supply 7 is U, and under wire travelling speed was promptly advanced speed V, the required time of miles of relative movement L was
Thereby behind the traveling time t, the temperature variation of molybdenum filament 1 to be processed is:
Wherein ρ is the resistivity of molybdenum filament 1 to be processed.Because C, d, ρ are relevant with the state of molybdenum filament 1 to be processed, L determines that by processing units of the present invention four are a definite number, and is alternative with a constant K, so following formula can be expressed as:
As can be seen from the above equation, square being directly proportional of the temperature rise of molybdenum filament 1 to be processed and voltage U is inversely proportional to the speed of travel V of molybdenum filament 1 to be processed.Just can realize temperature controlling is regulated by control voltage U and wire travelling speed V, thereby realization is to high temperature corrosion, annealing and straightization of molybdenum filament 1 molybdenum filament to be processed.In actual processing treatment process, according to formula
Voltage U and gait of march V are controlled adjustment.
Realize the equipment of the ultra-fine molybdenum filament continuous processing method of a kind of multiple operation combination, the unreeling device 2, be positioned at the power supply 7 stretching and that draw haulage gear that molybdenum filament 1 to be processed laterally moves and join with electrolyzer respectively that is used for of protector 4 outside opposite sides of the placement molybdenum filament 1 to be processed that comprise a plurality of electrolyzers, the protector 4 that is arranged on described a plurality of electrolyzers outside evenly laid side by side, is positioned at protector 4 outside sides.Simultaneously; described protector 4 one sides are provided with hydrogen inlet 8 and its opposite side is provided with hydrogen air outlet 9; the flow direction of protector 4 internal hydrogens is consistent with the travel direction of molybdenum filament 1 to be processed, the corresponding through hole that passes for molybdenum filament 1 to be processed that is provided with on the sidewall of described a plurality of electrolyzers.The polarity of adjacent two electrolyzers is opposite, and described electrolyzer is connected to the negative or positive electrode that voltage is the power supply 7 of 0.5～4V respectively according to its positive-negative polarity.
As shown in Figure 1 and Figure 2, in the present embodiment, described electrolyzer be shaped as cubes, and the quantity of electrolyzer is six, the polarity of described six electrolyzers is followed successively by negative, positive, negative, positive, negative, positive from right to left, that is to say that six electrolyzers are followed successively by negative polarity electrolyzer 5, straight polarity electrolyzer 6, negative polarity electrolyzer 5, straight polarity electrolyzer 6, negative polarity electrolyzer 5 and straight polarity electrolyzer 6 from right to left.In the practice, also electrolyzer can be made as other shapes such as right cylinder.In addition, unreel the outside right side that device 2 is positioned at protector 4, described haulage gear is that traction wheel 3 and its are positioned at the outer left side of protector 4; And hydrogen inlet 8 is positioned at the right side of protector 4, and hydrogen air outlet 9 is positioned at the left side of protector 4.And the length L that described molybdenum filament 1 to be processed is positioned between adjacent two electrolyzers is identical with the length D that molybdenum filament 1 to be processed is positioned at each electrolyzer.And in the present embodiment, the diameter of molybdenum filament 1 to be processed is 0.05mm, D=L=40mm, voltage U=1V, Trace speed V=3m/min.
During concrete processing treatment; with diameter is that the molybdenum filament to be processed 1 of 0.05mm places and unreels on the device 2, and with molybdenum filament 1 to be processed from right to left successively by six electrolyzers, and feed hydrogen in protector 4; specifically be that hydrogen imports from inlet mouth 8, emit and light by air outlet 9.In the processing treatment treating processes, regulate the voltage U of power supply 7 and the Trace speed V of molybdenum filament to be processed 1, the temperature of processing molybdenum filament 1 between adjacent two electrolyzers reached more than 800 ℃, simultaneously, apply the tension force of a traction by traction wheel 3, that is to say, the strength and the tension force of rolling is provided by traction wheel 3, like this, just can obtain light, the annealing that diameter is 0.010mm and directly change the ultra-fine molybdenum filament of state.
In the present embodiment, the diameter of molybdenum filament 1 to be processed is 0.04mm, D=60mm, L=50mm, voltage U=2V, Trace speed V=7m/min.In the processing treatment treating processes, regulate the voltage of power supply 7 and the Trace speed of molybdenum filament 1, make the temperature of molybdenum filament 1 to be processed between adjacent two electrolyzers reach temperature more than 800 ℃, apply the tension force of a traction by traction wheel 3, like this, just can obtain light, the annealing that diameter is 0.015mm and directly change the ultra-fine molybdenum filament of state.Other complete processing steps of present embodiment are all identical with embodiment 1 with processing units.
In the present embodiment, the diameter of molybdenum filament 1 to be processed is 0.045mm, D=65mm, L=60mm, voltage U=3V, Trace speed V=26m/min.In the processing treatment treating processes, regulate the voltage of power supply 7 and the Trace speed of molybdenum filament 1, make the temperature of molybdenum filament 1 to be processed between adjacent two electrolyzers reach temperature more than 800 ℃, apply the tension force of a traction by traction wheel 3, like this, just can obtain light, the annealing that diameter is 0.013mm and directly change the ultra-fine molybdenum filament of state.Other complete processing steps of present embodiment are all identical with embodiment 1 with processing units.
To sum up, a plurality of be equipped with two electrolyzers that electrolytic solution be corrosive fluid and adjacent two two electrolyzers between at a distance of L of molybdenum filament 1 to be processed by being connected to power supply 7 the two poles of the earth and mutually insulated; Molybdenum filament 1 to be processed is by adjacent two electrolyzers the time, and voltage is that the power supply 7 of U puts on the molybdenum filament 1 to be processed by electrolytic solution, and energising back molybdenum filament 1 to be processed produces heat makes self heating; By control power supply 7 voltage U and wire travelling speed V, make molybdenum filament 1 to be processed in energising heat-processed, temperature is elevated to (promptly 800～1100 ℃) more than 800 ℃, under the effect of corrosive fluid and drawing tension, makes molybdenum filament 1 to be processed realize the polishing of high temperature corrosion tube reducing, alignment and annealing.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (7)
1. the ultra-fine molybdenum filament continuous processing method of multiple operation combination is characterized in that this method may further comprise the steps:
(a) laterally evenly lay a plurality of electrolyzers that NaOH solution is housed respectively side by side: the polarity of adjacent two electrolyzers is opposite, and described electrolyzer is complied with the negative or positive electrode that its positive-negative polarity is connected to power supply (7) respectively, and the voltage U of power supply (7) is 0.5～4V;
(b) high temperature corrosion tube reducing, stress relieving and straightization: charging under hydrogen protects, with diameter be the molybdenum filament to be processed (1) of 0.050～0.030mm stretching after, from a plurality of electrolyzers, be horizontally through successively with the gait of march of V=1～50m/min; The length L that described molybdenum filament to be processed (1) is positioned between adjacent two electrolyzers is 20～50mm, and the length that molybdenum filament to be processed (1) is positioned at each electrolyzer is D and 1≤D≤1.5L; In the energising heat-processed, according to formula
Voltage U and gait of march V are controlled adjustment, and wherein C is the specific heat capacity of molybdenum, and d is the density of molybdenum, and ρ is the resistivity of molybdenum, and T is the temperature before adjusting, T
0Be adjusted temperature; When the temperature that is positioned between adjacent two electrolyzers part when molybdenum filament to be processed (1) was heated to 800～1100 ℃, the ultra-fine molybdenum filament that processing treatment obtains was salable product.
2. according to the ultra-fine molybdenum filament continuous processing method of the described a kind of multiple operation combination of claim 1, it is characterized in that: described power supply (7) is direct supply, AC power or the pulse power.
3. realize the equipment of the ultra-fine molybdenum filament continuous processing method of a kind of multiple operation combination as claimed in claim 1, it is characterized in that: the unreeling device (2), be positioned at the power supply (7) stretching and that draw haulage gear that molybdenum filament to be processed (1) laterally moves and join with electrolyzer respectively that is used for of the outside opposite side of protector (4) of the placement molybdenum filament to be processed (1) that comprise a plurality of electrolyzers, the protector (4) that is arranged on described a plurality of electrolyzers outside evenly laid side by side, is positioned at the outside side of protector (4); Described protector (4) one sides are provided with hydrogen inlet (8) and its opposite side is provided with hydrogen air outlet (9), the flow direction of protector (4) internal hydrogen is consistent with the travel direction of molybdenum filament to be processed (1), and correspondence is provided with the through hole that passes for molybdenum filament to be processed (1) on the sidewall of described a plurality of electrolyzers; The polarity of adjacent two electrolyzers is opposite, and described electrolyzer is connected to the negative or positive electrode of the power supply that voltage is 0.5～4V (7) respectively according to its positive-negative polarity.
4. according to the ultra-fine molybdenum filament continuous processing equipment of the described a kind of multiple operation combination of claim 3, it is characterized in that: described electrolyzer be shaped as cubes or right cylinder.
5. according to the ultra-fine molybdenum filament continuous processing equipment of the described a kind of multiple operation combination of claim 4, it is characterized in that: the quantity of described electrolyzer is six, and the polarity of described six electrolyzers is followed successively by negative, positive, negative, positive, negative, positive from right to left; Unreel device (2) and be positioned at the outside right side of protector (4), described haulage gear is positioned at the outer left side of protector (4); Hydrogen inlet (8) is positioned at the right side of protector (4), and hydrogen air outlet (9) are positioned at the left side of protector (4).
6. according to the ultra-fine molybdenum filament continuous processing equipment of claim 3,4 or 5 described a kind of multiple operation combinations, it is characterized in that: described haulage gear is traction wheel (3).
7. according to the ultra-fine molybdenum filament continuous processing equipment of claim 3,4 or 5 described a kind of multiple operation combinations, it is characterized in that: the length L that described molybdenum filament to be processed (1) is positioned between adjacent two electrolyzers is identical with the length D that molybdenum filament to be processed (1) is positioned at each electrolyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101509371A CN101368287B (en) | 2008-09-12 | 2008-09-12 | Multi-working procedure combined ultra-fine molybdenum filament continuous processing method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101509371A CN101368287B (en) | 2008-09-12 | 2008-09-12 | Multi-working procedure combined ultra-fine molybdenum filament continuous processing method and equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN101368287A true CN101368287A (en) | 2009-02-18 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892447A (en) * | 2010-08-20 | 2010-11-24 | 成都虹波实业股份有限公司 | Device and technology for continuously cleaning surface of molybdenum wire under high temperature |
| CN104838480A (en) * | 2012-12-10 | 2015-08-12 | 盛美半导体设备（上海）有限公司 | Semiconductor wafer polishing method |
| CN105568357A (en) * | 2016-01-08 | 2016-05-11 | 江阴法尔胜佩尔新材料科技有限公司 | Nickel-titanium wire obtained through continuous electrochemical polishing |
| CN108546983A (en) * | 2018-04-20 | 2018-09-18 | 安徽知之信息科技有限公司 | A kind of new-energy automobile steel pipe internal-surface electrochemical polish apparatus |
| CN109894621A (en) * | 2019-01-16 | 2019-06-18 | 天长市润源金属制品有限公司 | A kind of medical wire rod of high molybdenum filament and its processing method |
| CN111218713A (en) * | 2020-02-25 | 2020-06-02 | 自贡硬质合金有限责任公司 | Machining equipment and method for controlling size of tungsten-molybdenum wire |
| CN111804843A (en) * | 2020-06-17 | 2020-10-23 | 扬州实略信息科技有限公司 | Cable unreeling lead and sweeping and straightening mechanism |
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2008
- 2008-09-12 CN CN2008101509371A patent/CN101368287B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892447A (en) * | 2010-08-20 | 2010-11-24 | 成都虹波实业股份有限公司 | Device and technology for continuously cleaning surface of molybdenum wire under high temperature |
| WO2012022233A1 (en) * | 2010-08-20 | 2012-02-23 | 成都虹波实业股份有限公司 | Device and process for continuously cleaning surface of molybdenum wire at high temperature |
| US9328425B2 (en) | 2010-08-20 | 2016-05-03 | Chengdu Hongbo Industrial Co., Ltd. | Device and process for continuously cleaning surface of molybdenum wire at high temperature |
| CN104838480A (en) * | 2012-12-10 | 2015-08-12 | 盛美半导体设备（上海）有限公司 | Semiconductor wafer polishing method |
| CN105568357A (en) * | 2016-01-08 | 2016-05-11 | 江阴法尔胜佩尔新材料科技有限公司 | Nickel-titanium wire obtained through continuous electrochemical polishing |
| CN108546983A (en) * | 2018-04-20 | 2018-09-18 | 安徽知之信息科技有限公司 | A kind of new-energy automobile steel pipe internal-surface electrochemical polish apparatus |
| CN109894621A (en) * | 2019-01-16 | 2019-06-18 | 天长市润源金属制品有限公司 | A kind of medical wire rod of high molybdenum filament and its processing method |
| CN111218713A (en) * | 2020-02-25 | 2020-06-02 | 自贡硬质合金有限责任公司 | Machining equipment and method for controlling size of tungsten-molybdenum wire |
| CN111804843A (en) * | 2020-06-17 | 2020-10-23 | 扬州实略信息科技有限公司 | Cable unreeling lead and sweeping and straightening mechanism |
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