CN106799527B - A kind of electrode and the processing method for manufacturing the electrode - Google Patents
A kind of electrode and the processing method for manufacturing the electrode Download PDFInfo
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- CN106799527B CN106799527B CN201710050638.XA CN201710050638A CN106799527B CN 106799527 B CN106799527 B CN 106799527B CN 201710050638 A CN201710050638 A CN 201710050638A CN 106799527 B CN106799527 B CN 106799527B
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- absorber
- electrode
- storage tube
- closed chamber
- conduction liquid
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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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/04—Electrodes specially adapted therefor or their manufacture
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- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
A kind of electrode and the processing method for manufacturing the electrode, are mainly used for electric spark machining field.The electrode includes conduction liquid, the absorber for absorbing conduction liquid and the storage tube for storing conduction liquid, one end of storage tube is sealedly attached to absorber, other end setting sealing element is sealed, so that forming closed chamber inside storage tube, the air pressure in closed chamber is set to be greater than standard atmospheric pressure by introducing pressurizing device, conduction liquid is stored in closed chamber, make conduction liquid be absorbed body by the effect of pressure difference to absorb and in the working face of absorber formation liquid film, the final electric discharge realized between liquid film and workpiece；In addition, being provided with the copper wire for heat dissipation in absorber to prevent absorber to be damaged, the loss of electrode material is all greatly reduced in these, improves the working efficiency of electrode.The processing method for manufacturing the electrode includes the manufacturing process of absorber and the assembling process of each component of electrode, and this method plays a significant role the service life for extending electrode.
Description
Technical field
The present invention relates to field of machining, in particular to a kind of electrode and the processing method for manufacturing the electrode.
Background technique
In electrode machining technology, due to not contacting between electrode and workpiece, macroscopical operation power is small, will not cause to deform, because
This, electrode machining has the advantage of complex-shaped workpieces out easy to process, and under same case, electrode machining technology is more traditional
Lathe cutting techniques, machining accuracy is higher, and flexibility is more preferable.Currently, the electrode machining technology being most widely used is in electricity
Spark manufacture field, electrical discharge machining are generated using the non-contact electric discharge between the tool-electrode and workpiece in discharge medium
Fuel factor carry out ablation workpiece material.But the electrode in electrical discharge machining is due to during workpieces processing in the prior art
Under the high temperature action of generation, it is easy to self-deformation and consume, this affects to the machining accuracy of workpiece, and if
Frequently replacement electrode not only increases processing cost, and reduces the working efficiency of staff.
Summary of the invention
The purpose of the present invention is to provide a kind of electrodes, can reduce electrode own loss, avoid electrode frequently more
It changes, so that the cost for not only reducing electrode machining process also improves the machining accuracy to workpiece.
Another object of the present invention is to provide a kind of processing methods for manufacturing above-mentioned electrode, are able to extend the longevity of electrode
Life.
What the embodiment of the present invention was realized in：
A kind of electrode comprising conduction liquid, the absorber for absorbing conduction liquid and the storage tube for storing conduction liquid.
Storage tube is provided with the second port of first port and sealing, and absorber is sealedly attached to the first port of storage tube, so that
Closed chamber is formed inside storage tube, closed chamber, which can carry out pressurization to it by extraneous pressurizing device, makes its air pressure inside be greater than mark
Quasi- atmospheric pressure；Conduction liquid is stored in closed chamber, be greater than standard atmospheric pressure internal pressure effect under constantly make conduction liquid from
One end face of absorber is penetrated into absorber, and is uniformly oozed out from the other end of absorber, is finally present in form of liquid film
The other end of absorber；In addition, since this electrode is mainly used in spark erosion technique, electrode and workpiece it
Between discharge work when, be substantially the transient discharging process carried out between liquid film and workpiece surface, high temperature caused by this process
Energy is easier to be absorbed by body own absorption, this just extremely be easy to cause the energy accumulating of absorber to damage absorber, this
The copper wire (the high characteristic of copper specific heat capacity) for heat dissipation is provided with used by inventing in absorber, with this come reinforce absorber from
The heat-sinking capability of body reduces the loss of entire electrode material.
In preferred embodiments of the present invention, the diameter of above-mentioned copper wire is 0.6~1.0mm, usual situation, copper wire is thinner,
It arranges more regular, the thermal diffusivity of absorber is better, this is primarily due to the copper wire of unit mass, and diameter is thinner, and surface area is bigger.
In preferred embodiments of the present invention, the end face that above-mentioned absorber is capable of forming liquid film is provided with the anti-of reticular structure
Fire bed, this fireprotection layer is with a thickness of 1~2mm, this layer of fireprotection layer is primarily to reduce what electrode generated in transient discharging process
The area of high temperature and absorber front face, protects absorber to greatest extent, in addition, this fireprotection layer can be titanium oxide or dioxy
The materials such as SiClx.
In preferred embodiments of the present invention, above-mentioned electrode further includes the flushing pipe for the row's of punching ablation particle.Flushing pipe
Along storage tube length direction successively through absorber and storage tube, flushing pipe is the outlet of flushing liquor close to one end of absorber
End, one end far from absorber are the arrival end of flushing liquor, this flushing pipe introduces flushing liquor by extraneous, and flushing liquor is with high flow rate
It ejects, and the Working position of positive alignment workpiece, the ablation particle in process can timely be rushed from outlet end
It washes and removes, this avoid ablation particles to be adhered near the area of molten bath, improves the machining accuracy and aesthetics of workpiece.
In preferred embodiments of the present invention, the cross-sectional area of above-mentioned flushing pipe along the direction of arrival end to outlet end gradually
Reduce, this is primarily to improve the pressure that outlet end scouring media sprays, to enable the scouring media more precisely to have
Effect rinses out ablation particle.
A kind of processing method manufacturing above-mentioned electrode comprising the connection group of the processing preparation and each component of electrode of absorber
Dress process.Wherein, the processing preparation process of absorber includes following process：
It is mixed with inorfil cotton and water base property bonding agent to obtain inorfil；
Inorfil, hot melt material and thickening material are uniformly mixed and under conditions of being higher than hot melt material melting temperature
Carry out first time heating, heating time first time be 50~60min, to heat for the first time after natural cooling, be absorbed
Body raw material；
Absorber raw material is compressed into tablet form with the method for forming bed course；
Pieces of absorbent body is carried out second with the temperature lower than hot melt material fusing point to heat, and in the table of pieces of absorbent body
Uniformly place copper wire in face；
The pieces of absorbent body raw material surface for being placed with copper wire uniformly spray high temperature resistant inorganic adhesive and with roll squeezer into
Row compacting, forms the absorber with reticular structure.
The process that assembles of each component of electrode is：The above-mentioned absorber sealing with reticular structure being prepared is connected
It is connected to the first port of storage tube, then conduction liquid is filling in storage tube from second port, sealing element is arranged in second port
Second port is sealed, is arranged in seal surface for the pressurization inlet to closed pressurization, and by pressurization inlet to storage
Closed chamber pressurization inside pipe, so that the air pressure in closed chamber is greater than standard atmospheric pressure.
In preferred embodiments of the present invention, the temperature of above-mentioned first time heating be higher than 3~5 DEG C of hot melt material fusing point so as to
Hot melt material therein can be with relatively stable state (hot melt material flow regime is best) and inorfil and thickening material
Mixing；The temperature of second of heating is lower than 5~8 DEG C of hot melt material fusing point so that copper wire can be good at being compressed on pieces of absorbent
In vivo.
In preferred embodiments of the present invention, the process that above-mentioned copper wire is placed on pieces of absorbent body raw material is in vacuum condition
Lower progress, this is primarily to avoided copper wire from being oxidized in molding process.
In preferred embodiments of the present invention, above-mentioned inorfil, hot melt material and thickening material also add when being mixed
Added with refractory material with the high temperature resistance of the raising absorber itself of further electrode, extend the service life of electrode.
In preferred embodiments of the present invention, the content of above-mentioned copper wire is the 12~16% of entire absorption weight, not
In the case where influencing absorber to conduction liquid absorption film forming ability, the content of copper wire is higher, more regular, the heat dissipation of absorber of arranging
Performance is better.
The beneficial effect of the embodiment of the present invention is：Since the pressure in closed chamber is greater than extraneous standard atmospheric pressure, lead to
The effect of excess pressure difference conduction liquid is pressed into absorber out of storage tube and absorber is present in form of liquid film second
End face, be present in the liquid film of second end face generated between workpiece under the control of the pulse power electric discharge phenomena can to workpiece into
Row processing.Therefore, what electrode provided by the invention was substantially lost is the electricity constantly come in by pulse power conveying in conduction liquid
Son, electrode material itself will not be lost, and since electrode provided by the invention is by utilizing the heat dissipation characteristics of copper wire to absorption
Body carries out the improvement of heat-sinking capability, substantially increases the effective utilization of absorber, therefore, electrode provided by the invention reduces electricity
Extremely each component own loss and spoilage, avoid the frequent replacement of electrode, to not only reduce the cost of electrode machining process
Also improve the machining accuracy to workpiece.In addition, passing through tune the present invention also provides a kind of processing method for manufacturing above-mentioned electrode
The content of copper wire in whole absorber process gives vacuum condition in copper wire adding procedure and addition refractory material to suction
The medium mode of acceptor is prepared for improving electrode with to conduction liquid good absorption ability and the strong absorber of heat-sinking capability
Effective utilization extends the service life of electrode.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 provides the schematic diagram of internal structure of electrode for first embodiment of the invention；
Fig. 2 provides the schematic diagram of internal structure of electrode for second embodiment of the invention；
Fig. 3 provides the schematic diagram of internal structure of electrode for third embodiment of the invention；
Fig. 4 provides the floor map of the fireprotection layer of electrode for third embodiment of the invention.
Icon：100- electrode；200- electrode；300- electrode；120- conduction liquid；140- storage tube；142- first port；
144- second port；160- absorber；162- second end face；164- first end face；180- closed chamber；190- sealing element；192-
Pressurization inlet；220- flushing pipe；320- fireprotection layer.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Set relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term
" first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
First embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of electrodes 100 comprising conduction liquid 120, for storing conduction liquid 120
Storage tube 140 and absorber 160 for absorbing conduction liquid 120.
Storage tube 140 is a metal tube and its both ends is respectively the second port 144 of first port 142 and sealing, is absorbed
Body 160 is that cylindrical and two bottom surface is respectively first end face 164 and second end face 162；The first end face of absorber 160
164 are sealedly attached to the first port 142 of storage tube 140, so that forming closed chamber 180, conduction liquid inside storage tube 140
120 are a kind of liquid conductive polymer and are stored in closed chamber 180；The second port 144 of storage tube 140 is to pass through sealing element
190 are sealed, and sealing element 190 is a circular seal lid to match with storage tube 140 and is provided with pressurization inlet 192,
Nitrogen can be filled with to closed chamber 180 by, which being connected and sealed by extraneous pressurizing device with pressurization inlet 192, pressurizes, thus
So that 140 air pressure inside of storage tube is greater than standard atmospheric pressure, (under normal conditions, pressurization makes to substantially remain in inside its storage tube 140
1.5 standard atmospheric pressures)；The conduction liquid 120 being stored in storage tube 140 is acted in the internal pressure for being greater than standard atmospheric pressure
Under, it is constantly penetrated into absorber 160 from the first end face 164 of absorber 160, and uniform from the second end face of absorber 160 162
Exudation, is present in the second end face 162 of absorber 160 finally with form of liquid film, and second end face 162 is the electric discharge work of electrode 100
Make face, the processing to workpiece can be achieved by the electric discharge being formed between the liquid film and workpiece of second end face 162.
Further, discharge in spark erosion technique, between electrode and workpiece generation high temperature energy be easy to by
Absorber own absorption, so that the energy accumulating of absorber is caused, if absorber can not quickly and effectively discharge energy, just
It easily causes and itself damages, play and do not come out due performance.Therefore, the absorber 160 of the present embodiment is provided with copper wire, with
This heat-sinking capability to reinforce absorber 160 itself, reduces the material loss of entire electrode 100.
The working principle of the provided electrode 100 of the present embodiment is：It is pressurizeed by the external world, so that close inside storage tube 140
180 pressure of closed chamber is greater than external atmosphere pressure, and under the action of pressure difference, conduction liquid 120 is pressed into absorption out of storage tube 140
It is present in the second end face 162 of absorber 160 in body 160 and with form of liquid film；When electrode 100 needs work, extraneous pulse
Electric discharge between power supply coordination electrode 100 and workpiece, i.e. electrode 100 by the control of the extraneous pulse power constantly discharge electronics to
Conduction liquid 120, the electronics of conduction liquid 120 gathered under the action of pulse voltage absorber 160 with liquid film one end and
Constantly to workpiece electrical discharge, workpiece receives high-energy that electric discharge generates by instant melting, the impact of the particle of ablation in high-energy
Under be splashed to surrounding or be adhered to the edge of etch pit, at this moment constantly generate pit small one by one on the surface of the workpiece, and with
This simultaneously, the absorber 160 as electron-transport carrier can also absorb electric discharge generate energy, this requires absorbers 160 must
Must have preferable heat-sinking capability, the absorber 160 that copper wire is provided with used by the present embodiment is mainly exactly to solve heat dissipation to ask
Topic.In the present embodiment, what electrode 100 itself consumed is the electric flux that the pulse power provides, and will not consume and damage electrode 100
Each component, to reduce each component own loss of electrode 100 and spoilage, this not only reduces 100 process of electrode
Cost also improves the machining accuracy of workpiece to be machined.
In the present embodiment, the processing method of the electrode 100：Processing preparation and each component of electrode 100 including absorber 160
Assemble process.Wherein, the processing preparation process of absorber 160 includes following process：
It is mixed with inorfil cotton and water base property bonding agent to obtain inorfil；
Inorfil, hot melt material and thickening material are uniformly mixed and under conditions of being higher than hot melt material melting temperature
Carry out first time heating, heating time first time be 50~60min, to heat for the first time after natural cooling, be absorbed
The raw material of body 160；
The raw material of absorber 160 is compressed into tablet form with the method for forming bed course；
The raw material of pieces of absorbent body 160 is subjected to second heating with the temperature lower than hot melt material fusing point, and its
The copper wire that diameter is 1.0mm is uniformly placed on surface, and the quality of copper wire is the 12% of 160 mass of absorber；
High temperature resistant inorganic adhesive is uniformly sprayed on the raw material surface for the pieces of absorbent body 160 for being placed with copper wire and uses roll-in
Machine is suppressed, and the absorber 160 with reticular structure is formed.
The process that assembles of each component of electrode 100 is：By the above-mentioned absorber 160 with reticular structure being prepared
It is sealedly attached to the first port 142 of storage tube 140, then conduction liquid 120 is filling in storage tube 140 from second port 144,
The setting sealing element 190 of second port 144 seals second port 144, is arranged on 190 surface of sealing element for closed chamber
The pressurization inlets 192 of 180 pressurizations are introduced in nitrogen to closed chamber 180 from the external world by pressurization inlet 192, are realized with this to depositing
It stores up the closed chamber 180 inside pipe 140 to pressurize, the air pressure in closed chamber 180 is finally made to be greater than standard atmospheric pressure (in general, in electricity
In 100 course of work of pole, keeping the pressure of closed chamber 180 is 1.5 standard atmospheric pressures).
Second embodiment
Referring to figure 2., the present embodiment provides a kind of electrodes 200, roughly the same with the electrode 100 of first embodiment, and two
The difference of person is that the electrode 200 of the present embodiment further includes the flushing pipe 220 for the row's of punching ablation particle.
Flushing pipe 220 along 140 length direction of storage tube successively through absorber 160, storage tube 140 and sealing element 190,
Flushing pipe 220 is the outlet end of flushing liquor close to one end of absorber 160, and one end far from absorber 160 is entering for flushing liquor
Mouth end, this flushing pipe 220 introduce flushing liquor by extraneous, and flushing liquor is ejected with high flow rate from outlet end, and positive alignment workpiece
Working position, can the ablation particle in process be timely rinsed and be removed, this avoid ablation particles
It is adhered near the area of molten bath, improves the machining accuracy and aesthetics of workpiece.In addition, being sprayed to improve outlet end scouring media
Pressure, to enable the scouring media more precisely effectively to rinse out ablation particle, the present embodiment is by flushing pipe 220
Cross-sectional area is gradually reduced along the direction of arrival end to outlet end and is designed.
Processing method of the processing method of the provided electrode 200 of the present embodiment substantially with second embodiment about electrode 100
Identical, difference is exactly to have newly increased flushing pipe 220 in 200 installation process of electrode.
Flushing pipe 220 successively run through entire absorber 160, storage tube 140 and sealing element 190, and to absorber 160 and
The position that sealing element 190 contacts is sealed.
3rd embodiment
Referring to figure 3., the present embodiment provides a kind of electrodes 300, roughly the same with the electrode 200 of second embodiment, and two
The difference of person is that the electrode 300 of the present embodiment further includes fireprotection layer 320.
Referring to Fig. 3 and Fig. 4, it can be seen that fireprotection layer 320 is reticular structure and is set to absorber 160 and is capable of forming liquid
The second end face 162 of film, this fireprotection layer 320 is with a thickness of 1mm, this layer of fireprotection layer 320 is primarily to reduce electrode 300 instantaneous
The area of the high temperature and 160 front face of absorber that generate in discharge process protects absorber 160 to greatest extent, in addition, anti-
Fire bed 320 can be made of materials such as titanium oxide or silica.
The processing method of the provided electrode 300 of the present embodiment is substantially identical as the processing method of second embodiment electrode 200,
The difference is that the present embodiment is also provided with fireprotection layer 320 in the second end face 162 of absorber 160, fireprotection layer 320 can pass through
Bonding or the mode brushed are fixed on second end face 162.
Fourth embodiment
The main distinction of the present embodiment and 3rd embodiment is：The processing method that the present embodiment manufactures electrode is different, tool
Body be prepare absorber processing method it is different, in the present embodiment inorfil, hot melt material and thickening material carry out
It is added with refractory material when mixing also with the high temperature resistance of the raising absorber itself of further electrode, extends the use of electrode
Service life.
5th embodiment
In order to probe into influence of the copper wire content to absorber heat-sinking capability in absorber, in the present embodiment in design,
The main distinction with fourth embodiment is：The present embodiment adds the quality of copper wire in absorber process to absorb constitution
The 14% of amount.
Sixth embodiment
The present embodiment and the main distinction of the 5th embodiment are：The embodiment adds copper wire in absorber process
Quality be absorb weight 16%.
7th embodiment
Under normal conditions, the brass wire diameter of phase homogenous quantities is thinner, and the surface area of corresponding copper wire is bigger, to absorb body surface
The thermal diffusivity revealed is better, and therefore, the present embodiment is with the main distinction of sixth embodiment in implementation process：The present embodiment exists
In absorber process, the diameter for adding copper wire is 0.8mm.
8th embodiment
The present embodiment and the main distinction of the 7th embodiment are：The embodiment adds copper wire in absorber process
Diameter be 0.6mm.
Comparative example
The electrode of comparative example includes servo feed mechanism, tool-electrode and workpiece.Wherein, servo feed mechanism is mainly used to
The amount of feeding for controlling tool-electrode, is fixedly connected with tool-electrode, and tool-electrode is the tool-electrode made of copper product.This is right
It is to be processed using the electric spark for generation of discharging between copper and workpiece to workpiece in ratio.
Test example
Eight above-mentioned embodiments are subjected to simulation test, after to 1 hour of identical work pieces process, observe workpiece
The case where processing situation on surface, export license, tests the temperature at electrode discharge position after the cooling 5s of electrode samples.To knot
Fruit is averaged.Its comparing result is as shown in table 1.
1. comparative test result of table
According to the comparative test result of table 1 it is found that eight embodiments on the whole will be lower than the temperature of comparative example, and the 8th
Embodiment (have fliud flushing pipe, fireprotection layer, in absorber process added with copper wire specific gravity contained by inside refractory material, absorber
Maximum and diameter is minimum) temperature it is minimum, thermal diffusivity is best during showing electrode machining；From the point of view of the degree of export license,
The electrode material loss of comparative example is the most serious, and eight embodiments are substantially without substantive export license；In addition, from workpiece
The case where machined surface reacts sees that the workpiece specimen surface for the first embodiment removed comparative example and be not provided with fliud flushing pipe has residual
Ablation particle other than, other seven embodiments without more apparent ablation particle residue in workpiece surface.Therefore, this is right
It is mirrored than test integral inverted, eight embodiments of the invention have preferable heat-sinking capability compared with comparative example, and in process
Not sacrificial electrode material.
In conclusion the present invention conduction liquid is pressed into out of storage tube in absorber by the effect of pressure difference and from
Form of liquid film makes it be present in the second end face of absorber, the final electric discharge realized between conduction liquid and workpiece, in addition of the invention
Also by carry out the improvement of electrode integral heat sink ability, substantially increasing absorber in addition copper wire to absorber
Effective utilization.Therefore, electrode provided by the invention reduces each component own loss of electrode and spoilage, avoids the frequent of electrode
Replacement, so that the cost for not only reducing electrode machining process also improves the machining accuracy to workpiece.System provided by the invention
The processing method for making above-mentioned electrode has to liquid good absorption ability and the strong absorber of heat-sinking capability by preparing, improves
The effective utilization of electrode, extends the service life of electrode.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electrode, which is characterized in that the electrode includes conduction liquid, the absorber for absorbing conduction liquid and for storing
The storage tube of conduction liquid, the storage tube are provided with the second port of first port and sealing, and the absorber is sealedly attached to
The first port of the storage tube, so that forming closed chamber inside the storage tube, the air pressure in the closed chamber is big
In standard atmospheric pressure, the conduction liquid is stored in the closed chamber, and the copper wire for heat dissipation is provided in the absorber.
2. electrode according to claim 1, which is characterized in that the diameter of the copper wire is 0.6~1.0mm.
3. electrode according to claim 2, which is characterized in that the end face of the one end of the absorber far from the storage tube
It is provided with fireprotection layer, the fireprotection layer is reticular structure.
4. electrode according to claim 3, which is characterized in that the fireprotection layer is fireprotection layer made of titanium oxide.
5. electrode according to claim 1 or 4, which is characterized in that the electrode further includes for the row's of punching ablation particle
Flushing pipe, the flushing pipe successively run through the absorber and the storage tube along storage tube length direction, and the flushing pipe is leaned on
One end of the nearly absorber is the outlet end of flushing liquor, and one end far from the absorber is the arrival end of flushing liquor.
6. electrode according to claim 5, which is characterized in that the cross-sectional area of the flushing pipe is along the arrival end to institute
The direction for stating outlet end is gradually reduced.
7. a kind of processing method of electrode as described in claim 1, which is characterized in that the absorber is sealedly attached to institute
The first port of storage tube is stated, then the conduction liquid is filling in the storage tube from the second port, by described second
Port setting sealing element seals the second port, is arranged in the seal surface for adding to the closed chamber pressurization
It is pressed into mouth, and is pressurizeed by the pressurization inlet to the closed chamber inside the storage tube, so that in the closed chamber
Air pressure be greater than standard atmospheric pressure, wherein the process of the absorber includes following process：
It is mixed with inorfil cotton and water base property bonding agent to obtain inorfil；
The inorfil, hot melt material and thickening material are uniformly mixed and in the item for being higher than the hot melt material melting temperature
First time heating is carried out under part, heating time first time is 50~60min, naturally cold after heating to the first time
But, be absorbed body raw material；
The absorber raw material is compressed into tablet form with the method for forming bed course；
Pieces of absorbent body raw material is carried out second with the temperature lower than the hot melt material fusing point to heat, and is inhaled in the sheet
Uniformly place copper wire in acceptor raw material surface；
The pieces of absorbent body raw material surface for being placed with copper wire uniformly spray high temperature resistant inorganic adhesive and with roll squeezer into
Row compacting, forms the absorber with reticular structure.
8. the processing method of electrode according to claim 7, which is characterized in that the content of the copper wire is the absorber
The 12~16% of quality.
9. the processing method of electrode according to claim 8, which is characterized in that the copper wire is placed on the pieces of absorbent
The process on body raw material surface carries out under vacuum conditions.
10. the processing method of electrode according to claim 7, which is characterized in that by the inorfil, the hot melt material
Material and the thickening material are also added with refractory material when being mixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050638.XA CN106799527B (en) | 2017-01-23 | 2017-01-23 | A kind of electrode and the processing method for manufacturing the electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050638.XA CN106799527B (en) | 2017-01-23 | 2017-01-23 | A kind of electrode and the processing method for manufacturing the electrode |
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| CN106799527A CN106799527A (en) | 2017-06-06 |
| CN106799527B true CN106799527B (en) | 2018-11-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3289575B2 (en) * | 1995-10-19 | 2002-06-10 | 三菱電機株式会社 | Electric discharge machine and method |
| JP2005153044A (en) * | 2003-11-21 | 2005-06-16 | Honjo Yuri Sangyo Kagaku Gijutsu Shinko Zaidan | Electric discharge machining method by insulation-coated electrode using powder mixed machining liquid and its device |
| CN102059416B (en) * | 2010-11-15 | 2012-01-04 | 南京航空航天大学 | Processing method for corroding titanium or titanium alloy by burning and exploding under electric spark induction effect |
| CN103878456B (en) * | 2014-04-08 | 2015-12-16 | 山东大学 | A kind of harmless electrode for spark machined |
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| CN106799527A (en) | 2017-06-06 |
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