CN110457846A - Electrical discharge machining parameter generation method, device, electronic equipment and storage medium - Google Patents

Electrical discharge machining parameter generation method, device, electronic equipment and storage medium Download PDF

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Publication number
CN110457846A
CN110457846A CN201910762550.XA CN201910762550A CN110457846A CN 110457846 A CN110457846 A CN 110457846A CN 201910762550 A CN201910762550 A CN 201910762550A CN 110457846 A CN110457846 A CN 110457846A
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threedimensional model
electrode
workpiece
processing
contact area
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CN110457846B (en
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廖煌友
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Guangdong Ting Ting Intelligent Equipment Co Ltd
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Guangdong Ting Ting Intelligent Equipment Co Ltd
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    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects

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  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The application provides a kind of electrical discharge machining parameter generation method, device, electronic equipment and storage medium, and this method includes obtaining electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal；According to the machining locus that the machining starting point and processing terminal are formed, controls the electrode threedimensional model and workpiece threedimensional model and relatively moved along the machining locus to complete the process simulation of electrical discharge machining；The machined parameters of the electrical discharge machining are determined according to the intersection parameter of the electrode threedimensional model and workpiece threedimensional model.

Description

Electrical discharge machining parameter generation method, device, electronic equipment and storage medium
Technical field
This application involves spark erosion technique field, in particular to a kind of electrical discharge machining parameter generation method, Device, electronic equipment and storage medium.
Background technique
Electrical discharge machining refers in certain medium, by the galvanic action of the pulsed discharge between electrode and workpiece, The method that workpiece is processed.Electrical spark working working hour is carried out, electrode and workpiece connect the two poles of the earth of the pulse power respectively, and immerse work Make to be filled with discharging gap in liquid or by working solution.It is fed by gap automatic control system coordination electrode to workpiece, when between the two When gap reaches certain distance, the pulse voltage applied in the two punctures working solution, generates spark discharge.
Currently, since demand in the actual processing process is different, electrode shape that existing electrical discharge machining needs to process, Classification is different, many sizes, almost without identical electrode, so most of the machined parameters of electrical discharge machining are required to manually Modification, according to the experience modification and processing parameter of operator, it is inaccurate which results in the machined parameters of electric spark machine tool Really, process time can't be predicted.
Summary of the invention
The embodiment of the present application be designed to provide a kind of electrical discharge machining parameter generation method, device, electronic equipment and Storage medium, to solve the problems, such as the machined parameters inaccuracy of existing electrical discharge machining.
To achieve the goals above, it is as follows that this application provides following technical schemes:
First aspect: the application provides a kind of electrical discharge machining parameter generation method, comprising: acquisition electrode threedimensional model, Workpiece threedimensional model, machining starting point and processing terminal；According to the machining locus that the machining starting point and processing terminal are formed, control The electrode threedimensional model and workpiece threedimensional model are relatively moved along the machining locus to complete the process of electrical discharge machining Simulation；The processing of the electrical discharge machining is determined according to the intersection parameter of the electrode threedimensional model and workpiece threedimensional model Parameter.
In the scheme of above-mentioned design, the process of electrical discharge machining is simulated by threedimensional model, according to the electricity The intersection parameter of pole threedimensional model and workpiece threedimensional model determines the machined parameters of the electrical discharge machining, solves existing Artificially predict that machined parameters inaccuracy, the low problem of precision intend edm process by three-dimensional figure pattern in technology, according to Intersection parameter determines the machined parameters of electrical discharge machining, makes whole process always all in optimized parameter state.
In the optional embodiment of first aspect, the phase according to the electrode threedimensional model and workpiece threedimensional model Partial parameters are handed over to determine the machined parameters of the electrical discharge machining, comprising: to calculate the electrode threedimensional model and workpiece three-dimensional mould Contact area after type intersection；Electric current in the machined parameters, high pressure, low pressure, gap, lift are determined according to the contact area Knife speed, cutter lifting acceleration and in working hour at least one of.
In the embodiment of above-mentioned design, according to electrode threedimensional model contact with after the intersection of workpiece threedimensional model Area determines electric current in the machined parameters, high pressure, low pressure, gap, cutter lifting speed, cutter lifting further according to the contact area Acceleration and in working hour at least one of, so that whole process all in optimized parameter state, is improved electrical spark working always The machined parameters accuracy of work.
In the optional embodiment of first aspect, the calculating electrode threedimensional model intersects with workpiece threedimensional model Contact area afterwards, comprising: the surface area of the electrode threedimensional model and the sum of the surface area of the workpiece threedimensional model are calculated, It is denoted as first surface product；Calculate it is described intersected according to the electrode threedimensional model with workpiece threedimensional model after association surface Product is denoted as second surface product；The long-pending difference with second surface product of the first surface is determined as the electrode threedimensional model and work Contact area after the intersection of part threedimensional model.
In the embodiment of above-mentioned design, intersect the surface area of front and back with workpiece threedimensional model according to electrode threedimensional model Difference determine contact area so that contact area data are more accurate, the machined parameters that obtain in this way are also more accurate.
In the optional embodiment of first aspect, determined in the machined parameters described according to the contact area Before electric current, further includes: obtain electrode material, workpiece material and electrode amount of zoom；It is described that institute is determined according to the contact area State the electric current in machined parameters, comprising: corresponding unit area maximum current is determined according to the electrode material and workpiece material； The maximum processing electric current in the machined parameters is determined according to the electrode amount of zoom；If the contact area and unit area are most The product of high current is greater than the maximum processing electric current, it is determined that the electric current in the machined parameters is the maximum processing electricity Stream；If the contact area and the product of unit area maximum current are no more than the maximum processing electric current, it is determined that described to add Electric current in work parameter is the product of the contact area and unit area maximum current.
In the embodiment of above-mentioned design, electric current is determined according to contact area, improves the accuracy of machined parameters.
In the optional embodiment of first aspect, the phase according to the electrode threedimensional model and workpiece threedimensional model Partial parameters are handed over to determine the machined parameters of the electrical discharge machining, further includes: according to the electrode threedimensional model and electrode material Determine corresponding polarity in the machined parameters.
In the optional embodiment of first aspect, the electricity determined according to the contact area in the machined parameters Stream, high pressure, low pressure, gap, cutter lifting speed, cutter lifting acceleration and in working hour at least one of, comprising: according to the contact area The corresponding relation data for inquiring pre-set high pressure and contact area determines corresponding high pressure in the machined parameters；According to The contact area inquires the corresponding relation data of pre-set low pressure and contact area, determines corresponding in the machined parameters Low pressure；The corresponding relation data of pre-set gap and contact area is inquired according to the contact area, determines described add Corresponding gap in work parameter；The corresponding relationship of pre-set cutter lifting speed and contact area is inquired according to the contact area Data determine corresponding cutter lifting speed in the machined parameters；Pre-set cutter lifting is inquired according to the contact area to accelerate The corresponding relation data of degree and contact area, determines corresponding cutter lifting acceleration in the machined parameters；According to the contact surface Product inquires the corresponding relation data in pre-set working hour and contact area, determines corresponding working hour in the machined parameters.
In the embodiment of above-mentioned design, pre-set different contacts area in database are inquired according to contact area Corresponding multiple machined parameters realize the optimal machined parameters of more convenient determination, improve accuracy.
In the optional embodiment of first aspect, the phase according to the electrode threedimensional model and workpiece threedimensional model Hand over partial parameters to determine the machined parameters of the electrical discharge machining, comprising: according to the electric current inquire pre-set electric current with The corresponding relation data of process velocity determines the corresponding process velocity of the electric current；Calculate the electrode threedimensional model and workpiece Processing volume after threedimensional model intersection；Corresponding process time is determined with process velocity according to the processing volume；According to institute It states electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal and determines final processing volume；The processing volume exists It is zero when the machining starting point, the processing volume is final processing volume in the processing terminal；By the processing volume Corresponding process time adds up and obtains the machining the time of the electrical discharge machining during from zero to final processing volume.
It, can be with process time needed for look-ahead electrical discharge machining in the embodiment of above-mentioned design.
In the optional embodiment of first aspect, the calculating electrode threedimensional model intersects with workpiece threedimensional model Processing volume afterwards, comprising: calculate the volume of the electrode threedimensional model and the sum of the volume of the workpiece threedimensional model, be denoted as First volume；Calculate it is described intersected according to the electrode threedimensional model with workpiece threedimensional model after association volume, be denoted as Second volume；First volume is determined as the electrode threedimensional model with the difference of the second volume to intersect with workpiece threedimensional model Processing volume afterwards.
In the embodiment of above-mentioned design, intersected according to electrode threedimensional model with workpiece threedimensional model front and back volume it Difference determines processing volume, so that processing volume data are more accurate, the machining the time that obtains in this way is also more accurate.
In the optional embodiment of first aspect, the phase according to the electrode threedimensional model and workpiece threedimensional model Partial parameters are handed over to determine the machined parameters of the electrical discharge machining, comprising: to calculate the electrode threedimensional model and workpiece three-dimensional mould The projected area of the intersection of type in the plane；Wherein, the plane is perpendicular to the machining locus, and the plane crosses institute State processing terminal；The current processing stand of the intersection is calculated at a distance from machining starting point；According to the distance and perspective plane Long-pending ratio determines aspect ratio；Pulse width, train pause and the fliud flushing in the machined parameters are determined according to the aspect ratio At least one of in mode；The cutter lifting height in the machined parameters is determined according to the product of the distance and projected area.
In the embodiment of above-mentioned design, part machined parameters are determined according to projected area and processing distance, so that Machined parameters data are more accurate.
In the optional embodiment of first aspect, the pulse determined according to the aspect ratio in the machined parameters At least one of in width, train pause and liquid-charging type, comprising: pre-set pulse width is inquired according to the aspect ratio With the corresponding relation data of aspect ratio, corresponding pulse width in the machined parameters is determined；It is pre- according to aspect ratio inquiry The corresponding relation data of the train pause and aspect ratio that are first arranged determines corresponding train pause in the machined parameters；According to The aspect ratio inquires the corresponding relation data of pre-set liquid-charging type and aspect ratio, determines corresponding in the machined parameters Liquid-charging type；The product according to the distance and projected area determines the cutter lifting height in the machined parameters, comprising: The product of pre-set distance and projected area and pair of cutter lifting height are inquired according to the product of the distance and projected area Relation data is answered, determines corresponding cutter lifting height in the machined parameters.
In the optional embodiment of first aspect, the phase according to the electrode threedimensional model and workpiece threedimensional model Partial parameters are handed over to determine the machined parameters of the electrical discharge machining, comprising: in the electrode threedimensional model from the machining starting point During processing terminal, the electricity is obtained according to the intersection parameter of the electrode threedimensional model and workpiece threedimensional model Whole machined parameters of spark processing simultaneously store.
In the embodiment of above-mentioned design, joined by intersection during from the machining starting point to processing terminal The determining machined parameters of number, can obtain whole machined parameters of electrical discharge machining, so that corresponding control electrical discharge machining, makes whole A process does not need manual amendment's parameter always all in optimized parameter state, and the requirement to personnel is low, hardly Need electrical discharge machining experience.
Second aspect: the application provides a kind of electrical discharge machining parameter generation device, and described device includes: that model obtains mould Block, for obtaining electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal；Process simulation module is used for basis The machining locus that the machining starting point and processing terminal are formed, controls the electrode threedimensional model and workpiece threedimensional model along institute Machining locus relative movement is stated to complete the process simulation of electrical discharge machining；Parameter generation module, for according to the electrode three The intersection parameter of dimension module and workpiece threedimensional model determines the machined parameters of the electrical discharge machining.
In the embodiment of above-mentioned design, the process of electrical discharge machining is simulated by threedimensional model, according to institute The intersection parameter for stating electrode threedimensional model and workpiece threedimensional model determines the machined parameters of the electrical discharge machining, solves Artificially prediction machined parameters inaccuracy, the low problem of precision intend edm process by three-dimensional figure pattern in the prior art, The machined parameters that electrical discharge machining is determined according to intersection parameter make whole process always all in optimized parameter shape State.
The third aspect: present invention also provides a kind of electronic equipment, comprising: processor, memory connected to the processor, The memory is stored with computer program, and when calculating equipment operation, processor executes the computer program, to execute Shi Zhihang first aspect, first aspect any optional implementation described in method.
Fourth aspect: it this application provides a kind of non-transient readable storage medium storing program for executing, is deposited on the computer readable storage medium Computer program is contained, first aspect, any optional reality of first aspect are executed when which is run by processor Method described in existing mode.
5th aspect: this application provides a kind of computer program product, the computer program product is on computers When operation, so that computer executes method described in any optional implementation of first aspect, first aspect.
Other feature and advantage of the application will be illustrated in subsequent specification, also, partly be become from specification It is clear that being understood and implementing the embodiment of the present application.The purpose of the application and other advantages can be by written Specifically noted structure is achieved and obtained in specification and attached drawing.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application will make below to required in the embodiment of the present application Attached drawing is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore should not be seen Work is the restriction to range, for those of ordinary skill in the art, without creative efforts, can be with Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the electrical discharge machining parameter generation method first pass figure that the application first embodiment provides；
Fig. 2 is the electrical discharge machining parameter generation method second flow chart that the application first embodiment provides；
Fig. 3 is the electrical discharge machining parameter generation method third flow chart that the application first embodiment provides；
Fig. 4 is the 4th flow chart of electrical discharge machining parameter generation method that the application first embodiment provides；
Fig. 5 is the 5th flow chart of electrical discharge machining parameter generation method that the application first embodiment provides；
Fig. 6 is the 6th flow chart of electrical discharge machining parameter generation method that the application first embodiment provides；
Fig. 7 is the electrical discharge machining parameter generation device structural schematic diagram that the application second embodiment provides；
Fig. 8 is the electronic devices structure schematic diagram that the application 3rd embodiment provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.
First embodiment
As shown in Figure 1, the application provides a kind of electrical discharge machining parameter generation method, specifically comprise the following steps:
Step S100, electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal are obtained；
Step S200, the machining locus formed according to the machining starting point and processing terminal, controls the electrode three-dimensional mould Type and workpiece threedimensional model are relatively moved along the machining locus to complete the process simulation of electrical discharge machining；
Step S300, the electrical fire is determined according to the intersection parameter of the electrode threedimensional model and workpiece threedimensional model The machined parameters of flower processing.
In the step s 100, electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal, can be according to reality The electrode of electrical discharge machining carries out modeling with the size of workpiece to obtain corresponding electrode threedimensional model and workpiece threedimensional model. About the machining starting point and processing terminal of electrical discharge machining, can be obtained according to the requirement of practical electrical discharge machining correspondence.In reality In application, threedimensional model that user directly transmits and processing request can be obtained to obtain electrode threedimensional model, workpiece three-dimensional mould Type, machining starting point and processing terminal.It certainly can also be according to the actual size generation pair of the electrode and workpiece to electrical discharge machining Then the threedimensional model answered obtains machining starting point and processing terminal according to processing request.Due to the two not in contact with when, the two is mobile During all do not start to process, then machined parameters are also meaningless, machining starting point described in the present embodiment is by electrode three Coordinate points when dimension module and workpiece threedimensional model just contact.Correspondingly, processing terminal refers to electrode threedimensional model to workpiece Threedimensional model carries out the coordinate points of terminal when electrical discharge machining meets processing request to the end.
In step s 200, the machining locus formed according to the machining starting point and processing terminal, controls the electrode three Dimension module and workpiece threedimensional model are relatively moved along the machining locus to complete the process simulation of electrical discharge machining.The application Embodiment is exactly to pass through the process of the entire electrical discharge machining of computer simulation, coordination electrode threedimensional model and workpiece with three-dimensional pattern Threedimensional model relative movement is moved to processing terminal from machining starting point, to complete the process simulation of electrical discharge machining.It needs Bright, the relative movement of electrode threedimensional model and workpiece threedimensional model can be motionless for workpiece threedimensional model, and traveling electrode is three-dimensional Model；Can also be motionless for electrode threedimensional model, travelling workpiece threedimensional model；It certainly can also be traveling electrode threedimensional model simultaneously With workpiece threedimensional model.In practical application, generally keep workpiece motionless, traveling electrode.
In step S300, according to the determination of the intersection parameter of the electrode threedimensional model and workpiece threedimensional model The machined parameters of electrical discharge machining.Specifically, there is main machined parameters in electrical discharge machining: electric current, pulse width, pulse Stop width, high-low pressure it is compound in high pressure and low pressure, electrode and workpiece between gap, cutter lifting height, cutter lifting speed, cutter lifting Acceleration, working hour, liquid-charging type and polarity etc..The time that working hour i.e. electrode discharge every time.Liquid-charging type specifically includes leaching Bubble, liquid and immersion plus liquid.Polarity includes positive polarity and negative polarity.These machined parameters are in electrical discharge machining Common machined parameters, are not explained excessively herein, and in processing, these parameters needs are configured.With electrode threedimensional model from Machining starting point is moved to processing terminal, and electrode threedimensional model, which can be progressively fed, to be entered in workpiece threedimensional model, electrical discharge machining In machined parameters with both intersection size shape it is closely bound up.
The prior art using artificial experience be arranged machined parameters, and the embodiment of the present application using electrode threedimensional model with The intersection parameter of workpiece threedimensional model determines, intends edm process by three-dimensional figure pattern, according to intersection Parameter determines the machined parameters of electrical discharge machining, solves and artificially predicts that machined parameters inaccuracy, precision are low in the prior art Problem can make whole process always all in optimized parameter state.
It is three-dimensional according to the electrode threedimensional model and workpiece in step S300 in the optional embodiment of the present embodiment The intersection parameter of model determines the machined parameters of the electrical discharge machining, as shown in Fig. 2, specifically including:
Step S310, the contact area after the electrode threedimensional model intersects with workpiece threedimensional model is calculated；
Step S320, electric current, high pressure, low pressure, gap, the cutter lifting in the machined parameters are determined according to the contact area Speed, cutter lifting acceleration and in working hour at least one of.
In the aforementioned description to step S300 it is stated that according to the phase of the electrode threedimensional model and workpiece threedimensional model Partial parameters are handed over to determine the machined parameters of the electrical discharge machining.In step s310 according to the electrode threedimensional model and workpiece The intersection parameter of threedimensional model can determine the contact area after the electrode threedimensional model intersects with workpiece threedimensional model. Then it can determine that the electric current in the machined parameters, high pressure, low pressure, gap, cutter lifting speed, cutter lifting accelerate according to contact area At least one parameter in degree and working hour.The contact area of this partial parameters and electrode threedimensional model and workpiece threedimensional model is closed Connection, due to the principle of practical electrical discharge machining be electric discharge carry out galvanic corrosion, then both contact area size obviously with electric current, electricity The parameters such as pressure are interrelated, and machined parameters are arranged in artificial experience compared with the prior art, and the application the present embodiment is according to contact The corresponding adjustment machined parameters of size, controllable electric spark hand over process processing effect it is more preferable.
In the optional embodiment of the present embodiment, the calculating electrode threedimensional model and workpiece in step S310 are three-dimensional Contact area after model intersection, as shown in figure 3, specifically including:
The sum of S311, the surface area for calculating the electrode threedimensional model and surface area of the workpiece threedimensional model, are denoted as First surface product；
S312, calculate it is described intersected according to the electrode threedimensional model with workpiece threedimensional model after association surface Product is denoted as second surface product；
S313, the long-pending difference with second surface product of the first surface is determined as the electrode threedimensional model and workpiece three-dimensional Contact area after model intersection.
Specifically, it can be determined there are many algorithm about contact area, the present embodiment is using as described above taking into account Calculating speed and the accurate algorithm of result determine contact area.It should be noted that about electrode threedimensional model and workpiece three Contact area after dimension module intersection, is to be processed when practical electrical discharge machining by electric spark, electrode and workpiece it Between can keep certain discharging gap, generally in 1~100 μ m, gap is very small in gap, the application in order to calculating side Just and in order to quick obtaining high accuracy machined parameters, it is approximate will regard as after electrode and workpiece intersection form a joint Body regards electric spark as contact area come the electric discharge work area of electrode and workpiece when processing.
Not in contact with preceding, before undressed in other words, corresponding surface area S can be obtained according to electrode threedimensional modeld, according to work The surface area S of part threedimensional modelg, contact area S at this timeJIt is zero.Electrode threedimensional model and workpiece threedimensional model adding along setting After work track relative motion intersection, volume S of the three-dimensional figure of the association obtained as new figuret, this can be according to corresponding 3-D graphic calculates St.After so intersecting, electrical discharge machining, contact area S are startedJ=Sd+Sg-St。
In the optional embodiment of the present embodiment, determined in the machined parameters described according to the contact area Before electric current, further includes:
Obtain electrode material, workpiece material and electrode amount of zoom；
The electric current determined according to the contact area in the machined parameters, comprising:
Corresponding unit area maximum current is determined according to the electrode material and workpiece material；It is scaled according to the electrode Amount determines the maximum processing electric current in the machined parameters；
If the contact area and the product of unit area maximum current are greater than the maximum processing electric current, it is determined that described Electric current in machined parameters is the maximum processing electric current；
If the contact area and the product of unit area maximum current are no more than the maximum processing electric current, it is determined that institute State the product that the electric current in machined parameters is the contact area and unit area maximum current.
After obtaining contact area in step s310, the embodiment of the present application can determine in machined parameters according to contact area Electric current.Specifically, since the material speciality of Different electrodes material and different workpieces material is different, then corresponding carrying is electric The stream upper limit is also different, and the embodiment of the present application can determine corresponding unit area maximum current according to electrode material and workpiece material, In practical application, database can be inquired according to the electrode material and workpiece material of acquisition, Different electrodes are stored in database Material and the corresponding unit area maximum current of different workpieces material.The present embodiment is also according to described in electrode amount of zoom determination Maximum processing electric current in machined parameters, is prior art noun about electrode amount of zoom, does not explain excessively herein, for example may be used Database is inquired according to the electrode amount of zoom of acquisition, the corresponding maximum processing electricity of Different electrodes amount of zoom is stored in database Stream.
In practical application, according to the material of given electrode and workpiece, it is to be understood that the conductor unit area is passable Unit area maximum current J, the electrode amount of zoom given further according to user, it is to be understood that the maximum processing that this processing can use Electric current Amax.Electrode amount of zoom is directly proportional to electric current, and maximum current corresponding to Different electrodes amount of zoom can be by processing experiment It measures.If the contact area SJWith the product S of unit area maximum current JJ* J is greater than the maximum processing electric current Amax, then really Electric current A in the fixed machined parameters is the maximum processing electric current Amax；If the contact area SJWith the maximum electricity of unit area Flow the product S of JJ* J is no more than the maximum processing electric current Amax, it is determined that the electric current A in the machined parameters is the contact The product S of area and unit area maximum currentJ*J.That is, if working as SJ*J≤AmaxWhen, electric current A=SJ*J；Work as SJ* J > AmaxWhen, electric current A=Amax。
In the optional embodiment of the present embodiment, the phase according to the electrode threedimensional model and workpiece threedimensional model Partial parameters are handed over to determine the machined parameters of the electrical discharge machining, further includes: according to the electrode threedimensional model and electrode material Determine corresponding polarity in the machined parameters.In practical application, polar selection is mainly related with electrode and material.In After obtaining electrode threedimensional model and electrode material, adding for the electrical discharge machining can be determined according to electrode and electrode material Polarity in work parameter.
In the optional embodiment of the present embodiment, the height determined according to the contact area in the machined parameters Pressure, low pressure, gap, cutter lifting speed, cutter lifting acceleration and in working hour at least one of, comprising: according to the contact area inquire The corresponding relation data of pre-set high pressure and contact area determines corresponding high pressure in the machined parameters；According to described Contact area inquires the corresponding relation data of pre-set low pressure and contact area, determines corresponding low in the machined parameters Pressure；The corresponding relation data that pre-set gap and contact area are inquired according to the contact area determines the processing ginseng Corresponding gap in number；The corresponding relationship number of pre-set cutter lifting speed and contact area is inquired according to the contact area According to determining corresponding cutter lifting speed in the machined parameters；Pre-set cutter lifting acceleration is inquired according to the contact area With the corresponding relation data of contact area, corresponding cutter lifting acceleration in the machined parameters is determined；According to the contact area The corresponding relation data for inquiring pre-set working hour and contact area determines corresponding working hour in the machined parameters.
Specifically, after contact area is calculated in abovementioned steps, database can be inquired, is stored in database The relation data of corresponding part machined parameters when different contacts area.It is set in advance in practical application, being stored in database The relation table for the corresponding high pressure of different contacts area set, then the present embodiment is after being calculated contact area, Bian Kecha Database is ask, thus corresponding high pressure when obtaining current contact area.Since electrode and workpiece have the spacing of very little in processing, Capacitor is formd between the two, and in order to keep processing stable and finished surface uniform and delicate, charge volume between the two is smaller more advantageous, together When consider processing efficiency again because certain high pressure be conducive to improve processing efficiency.It can be measured by processing experiment, it is various to connect Contacting surface accumulates SJCorresponding best high pressure VH, when contact area is excessive, it is necessary to turn off high pressure.Similarly, it is stored in database in advance The relation table of the corresponding low pressure of different contacts area of setting, that is, different contact area SJCorresponding best low pressure VL。
Database is also stored with the corresponding gap T of different contacts areaWRelation table, gap TWWith contact area SJAssociation, Contact area SJIt is bigger, gap TWThe bigger setting the more advantageous and processes.Database is also stored with the corresponding cutter lifting of different contacts area The relation table of speed has suction, contact area S due to electrode and workpiece spacing very little during cutter liftingJBigger, suction is got over Greatly.Database is also stored with the corresponding cutter lifting acceleration A of different contacts areaCCRelation table, cutter lifting acceleration ACCWith contact surface Product SJIt is inversely proportional.Contact area SJIt is smaller, cutter lifting acceleration ACCIt should be arranged bigger.Database is also stored with different contacts area pair The relation table of the working hour T answered, working hour said herein refer to the time that electrode discharges every time.Working hour T and contact area SJAssociation, connects Contacting surface accumulates SJBigger, working hour, T was bigger.
In the optional embodiment of the present embodiment, step S300 according to the electrode threedimensional model and workpiece three-dimensional mould The intersection parameter of type determines the machined parameters of the electrical discharge machining, as shown in Figure 4, further includes:
Step S330, the corresponding relation data of pre-set electric current and process velocity is inquired according to the electric current, is determined The corresponding process velocity of the electric current；
Step S340, the processing volume after the electrode threedimensional model intersects with workpiece threedimensional model is calculated；
Step S350, corresponding process time is determined with process velocity according to the processing volume；
Step S360, it is determined according to the electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal final Processing volume；
Step S370, the described processing volume is zero in the machining starting point, and the processing volume is in the processing terminal When be final processing volume；By the processing volume from zero to final processing volume during corresponding process time it is cumulative To the machining the time of the electrical discharge machining.
The present embodiment can also predict the machining the time of electrical discharge machining, specifically, in step s 320 can be with It determines the electric current in machined parameters, database is then inquired according to the electric current, is stored in the database pre-set The corresponding relation data of electric current and process velocity can obtain the corresponding process velocity of current flow.The list of the process velocity Position can be per second for volume, that is, under current flow, per second that how many volume can be processed.Then, according to presently described electrode three The variation of processing volume after dimension module intersects with workpiece threedimensional model can obtain corresponding process time.Finally by processome The product used time time all during this from zero when starting processing to final processing volume when completing the process is cumulative Obtain the machining the time of electrical discharge machining so that operator can be predicted in practical electrical spark working working hour it is required Process time.
Specifically, machining starting point is point when electrode threedimensional model is just contacted with workpiece threedimensional model, and processing terminal is Electrode threedimensional model and workpiece threedimensional model complete the last processing stand of the intersection in electrical spark working working hour.According to the electrode Threedimensional model, workpiece threedimensional model, machining starting point and processing terminal can determine final processing volume, that is, electrode will be in work The final volume processed on part.The processing volume of the present embodiment is zero in the machining starting point, in the processing terminal When be final processing volume；All process times during this are added up, when completing the process of electrical discharge machining can be obtained Between.
In the optional embodiment of the present embodiment, the calculating electrode threedimensional model and workpiece in step S340 are three-dimensional Processing volume after model intersection, as shown in Figure 5, comprising:
The sum of S341, the volume for calculating the electrode threedimensional model and volume of the workpiece threedimensional model, are denoted as first Volume；
S342, calculate it is described intersected according to the electrode threedimensional model with workpiece threedimensional model after association volume, It is denoted as the second volume；
S343, the difference of first volume and the second volume is determined as the electrode threedimensional model and workpiece threedimensional model Processing volume after intersection.
Specifically, the volume V of electrode before not intersecting can be determined with workpiece threedimensional model according to electrode threedimensional modeldFor and The volume V of workpiece before not intersectingg.The machining locus relative motion of electrode and the setting of workpiece edge, the association obtained after intersection Volume V of the whole three-dimensional figure as new figuret.So, the processing after the electrode threedimensional model intersects with workpiece threedimensional model Volume V is V=(Vd+Vg)-Vt.It should be noted that can be ignored since electrode and workpiece have certain gap, herein Convenience of the application for calculating and the machined parameters for quick obtaining high accuracy, it is approximate to be seen after electrode and workpiece intersection An association is formd, then determines processing volume according to the volume differences of intersection front and back.
It in order to facilitate the present embodiment is understood, is illustrated below, whole process can be divided into several stages, it is certainly real It is not necessarily in this way on border.For electrode with processing not in contact with preceding, intersection volume V is 0.When electrode and processing touch certain depth, Processing volume V1=(Vd+Vg)-(Vt+Vo)；When electrode and workpiece contact depth deeper again, processing volume V2=(Vd+Vg)- (Vt+V1)；When contact depth is deeper again, processing volume V3=(Vd+Vg)-(Vt+V2)；When contact depth is deeper again, Processing volume V4=(Vd+Vg)-(Vt+V3)；And so on, final stage processing volume VEventually=(Vd+Vg)-(Vt+V(eventually -1)).Due to The intersection volume V in each stage it is known that and electric current A corresponding to the stage it is also known that, process velocity corresponding to each electric current It has obtained.Process time required for the stage can be acquired.Then all process times in entire processing traveling stage are tired out Add, i.e., the time required for predictable entire processing.
In the optional embodiment of the present embodiment, step S300 according to the electrode threedimensional model and workpiece three-dimensional mould The intersection parameter of type determines the machined parameters of the electrical discharge machining, as shown in Figure 6, comprising:
The projected area of the intersection of S381, the calculating electrode threedimensional model and workpiece threedimensional model in the plane； Wherein, the plane is perpendicular to the machining locus, and the excessively described processing terminal of the plane；
S382, the current processing stand of the intersection is calculated at a distance from machining starting point；
S383, aspect ratio is determined according to the ratio of the distance and projected area；Described add is determined according to the aspect ratio Pulse width, train pause in work parameter and at least one in liquid-charging type；According to multiplying for the distance and projected area Product determines the cutter lifting height in the machined parameters.
Specifically, machining locus of the electrode with workpiece along setting moves, after intersection, using intersection as new figure Shape.Make a line segment in machining starting point and processing terminal, crosses processing terminal and make a plane, make the plane perpendicular to the processing rail The line segment of mark.Then, the projected area of the intersection of the electrode threedimensional model and workpiece threedimensional model in the plane is calculated ST.S about projected areaTCalculating can be there are many mode, can be according to the intersection of electrode threedimensional model and workpiece threedimensional model Correspondence is calculated again.Electrode is moved with workpiece along the track of setting, when the coordinate points of that time of two models intersection are denoted as P0(X0,Y0,Z0), that is, machining starting point.Follow up the current processing stand P after the intersection of two models againt(Xt,Yt,Zt), The distance between two o'clock D is calculated to be the prior art, do not illustrate excessively herein about the calculating of two o'clock distance.
Then, according to the distance D and projected area STRatio determine aspect ratio ε, and ε=D/ST.The present embodiment according to The aspect ratio determines at least one in pulse width, train pause and liquid-charging type in the machined parameters.This implementation Example can also be according to the distance D and projected area STProduct D*STDetermine that the cutter lifting height H in the machined parameters, cutter lifting are high Spend H and D*STAssociation, D*STBigger, cutter lifting height H is bigger.
It is described that described add is determined according to the product of the distance and projected area in the optional embodiment of the present embodiment Cutter lifting height in work parameter, comprising: pre-set distance and projection are inquired according to the product of the distance and projected area The product of area and the corresponding relation data of cutter lifting height, determine corresponding cutter lifting height in the machined parameters.
Abovementioned steps are calculated the distance and after the product of projected area, can inquire database, in database It is stored with the product of different distance and projected area and the corresponding relation data of cutter lifting height.In practical application, in database It is stored with the relation table of the corresponding relation data of the product and cutter lifting height of pre-set distance and projected area, then this reality Example is applied after contact area is calculated, database can be inquired, to obtain current cutter lifting height.
In the optional embodiment of the present embodiment, the pulse determined according to the aspect ratio in the machined parameters At least one of in width, train pause and liquid-charging type, comprising: pre-set pulse width is inquired according to the aspect ratio With the corresponding relation data of aspect ratio, corresponding pulse width in the machined parameters is determined；It is pre- according to aspect ratio inquiry The corresponding relation data of the train pause and aspect ratio that are first arranged determines corresponding train pause in the machined parameters；According to The aspect ratio inquires the corresponding relation data of pre-set liquid-charging type and aspect ratio, determines corresponding in the machined parameters Liquid-charging type.
Abovementioned steps are calculated after aspect ratio ε, can inquire database, be stored in database different aspect ratios with The corresponding relation data of pulse width.In practical application, being stored with pre-set different aspect ratios and pulse in database The relation table of the corresponding relation data of width, then the present embodiment after aspect ratio is calculated, can inquire database, from And obtain current pulse width.Pulse width ONTime is associated with aspect ratio ε, and aspect ratio ε is bigger, then pulse width ONTime It is smaller.Pulse width ONTime corresponding to various aspect ratio ε can be measured by processing experiment, and be stored in the database.
Abovementioned steps are calculated after aspect ratio ε, can inquire database, be stored in database different aspect ratios with The corresponding relation data of train pause.In practical application, being stored with pre-set different aspect ratios and pulse in database The relation table for the corresponding relation data stopped, then the present embodiment after aspect ratio is calculated, can inquire database, from And obtain current train pause.Train pause OFFTime is associated with aspect ratio ε, and aspect ratio ε is bigger, then train pause OFFTime is smaller.Train pause OFFTime corresponding to various aspect ratio ε can be measured by processing experiment, and be stored in data In library.
Abovementioned steps are calculated after aspect ratio ε, can inquire database, be stored in database different aspect ratios with The corresponding relation data of liquid-charging type.In practical application, being stored with pre-set different aspect ratios and fliud flushing in database The relation table of the corresponding relation data of mode, then the present embodiment after aspect ratio is calculated, can inquire database, from And obtain current liquid-charging type.Liquid-charging type corresponding to various aspect ratio ε can be measured by processing experiment, and be stored in number According in library.In general, when aspect ratio ε is less than first threshold, liquid-charging type uses immersion type；Aspect ratio ε is higher than first threshold And when being less than second threshold, liquid-charging type is using immersion plus liquid；When aspect ratio ε is higher than second threshold, liquid-charging type is used Liquid；Wherein first threshold is less than second threshold.Under such circumstances, the processing effect obtained is more preferable.
In the optional embodiment of the present embodiment, the phase according to the electrode threedimensional model and workpiece threedimensional model Partial parameters are handed over to determine the machined parameters of the electrical discharge machining, comprising: in the electrode threedimensional model from the machining starting point During processing terminal, the electricity is obtained according to the intersection parameter of the electrode threedimensional model and workpiece threedimensional model Whole machined parameters of spark processing simultaneously store.
Specifically, all processes of the present embodiment by electrical discharge machining from starting completion carry out mould with threedimensional model It is quasi-, it is all stored according to intersection from zero to machined parameters of the maximum processing volume during this, so that operator Member is correspondingly arranged the machined parameters of lathe in practice progress electrical spark working working hour, more quasi- compared to the setting of artificial experience and thick setting Really.The embodiment of the present application simulates the process of electrical discharge machining by threedimensional model, according to the electrode threedimensional model with The intersection parameter of workpiece threedimensional model determines the machined parameters of the electrical discharge machining, solves artificial pre- in the prior art Machined parameters inaccuracy is surveyed, the low problem of precision intends edm process by three-dimensional figure pattern, according to intersection parameter The machined parameters for determining electrical discharge machining make whole process always all in optimized parameter state.
The embodiment of the present application, by Computerized three-dimensional artwork draw up electrode in electric discharge machine processing and workpiece entirely plus Into in the process, the contact area in each stage, intersects volume, depth of cavity, aspect ratio at the projected area on machine direction for industrial and commercial bank Deng can calculate and match machined parameters required for each stage and estimate process time required for each stage；Pass through During entirely being processed and carried out by computer simulation with three-dimensional pattern, the electrode features in each stage, further according to each stage Feature matches machined parameters from lane database, makes whole process always all in optimized parameter state.And it is not required to very important person Work modifies parameter, and the requirement to personnel is low, hardly needs electrical discharge machining experience.It can add so that look-ahead is probably required Between working hour.
Second embodiment
Fig. 7 illustrates the schematic block diagram of electrical discharge machining parameter generation device provided by the present application, it should be appreciated that should The step of device is corresponding with embodiment of the method for the above-mentioned Fig. 1 into Fig. 6, and the method being able to carry out in first embodiment is related to, should The specific function of device may refer to it is described above, it is appropriate herein to omit detailed description to avoid repeating.The device includes At least one can be stored in memory or be solidificated in the operating system of device in the form of software or firmware (firmware) Software function module in (operatingsystem, OS).Specifically, which includes:
Model obtains module 410, for obtaining electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal；
Process simulation module 420, the machining locus for being formed according to the machining starting point and processing terminal, described in control Electrode threedimensional model and workpiece threedimensional model are relatively moved along the machining locus to complete the process simulation of electrical discharge machining；
Parameter generation module 430, for the intersection parameter according to the electrode threedimensional model and workpiece threedimensional model Determine the machined parameters of the electrical discharge machining.
The device of above embodiment design, by obtaining electrode threedimensional model, workpiece threedimensional model, machining starting point and adding Work terminal；According to the machining locus that the machining starting point and processing terminal are formed, the electrode threedimensional model and workpiece three are controlled Dimension module is relatively moved along the machining locus to complete the process simulation of electrical discharge machining；According to the electrode threedimensional model The machined parameters of the electrical discharge machining are determined with the intersection parameter of workpiece threedimensional model；Electricity is simulated by threedimensional model The process of spark processing determines the electricity according to the intersection parameter of the electrode threedimensional model and workpiece threedimensional model The machined parameters of spark processing solve and artificially predict that machined parameters inaccuracy, the low problem of precision pass through three in the prior art It ties up pattern and simulates edm process, the machined parameters of electrical discharge machining are determined according to intersection parameter, make entirely to process Process is always all in optimized parameter state.
In the optional embodiment of the present embodiment, the parameter generation module 430 includes:
Contact area computing unit, for calculating the contact surface after the electrode threedimensional model intersects with workpiece threedimensional model Product；
First parameter determination unit, for determining the electric current in the machined parameters, high pressure, low according to the contact area Pressure, gap, cutter lifting speed, cutter lifting acceleration and in working hour at least one of.
In the optional embodiment of the present embodiment, the contact area computing unit is specifically used for calculating the electrode The sum of the surface area of the surface area of threedimensional model and the workpiece threedimensional model is denoted as first surface product；It is also used to calculate described The surface area of association after being intersected according to the electrode threedimensional model with workpiece threedimensional model is denoted as second surface product；Also use After the difference with second surface product that the first surface is long-pending is determined as the electrode threedimensional model and workpiece threedimensional model intersects Contact area.
In the optional embodiment of the present embodiment, determined in the machined parameters described according to the contact area Before electric current, further includes: obtain electrode material, workpiece material and electrode amount of zoom；First parameter determination unit, is also used to Corresponding unit area maximum current is determined according to the electrode material and workpiece material；Institute is determined according to the electrode amount of zoom State the maximum processing electric current in machined parameters；If the contact area and the product of unit area maximum current are greater than the maximum Processing electric current, it is determined that the electric current in the machined parameters is the maximum processing electric current；If the contact area and unit plane The product of product maximum current is no more than the maximum processing electric current, it is determined that the electric current in the machined parameters is the contact surface The long-pending product with unit area maximum current.
In the optional embodiment of the present embodiment, the parameter generation module 430 is also used to three-dimensional according to the electrode Model and electrode material determine corresponding polarity in the machined parameters.
In the optional embodiment of the present embodiment, first parameter determination unit is also used to according to the contact surface Product inquires the corresponding relation data of pre-set high pressure and contact area, determines corresponding high pressure in the machined parameters；Root The corresponding relation data that pre-set low pressure and contact area are inquired according to the contact area, it is right in the machined parameters to determine The low pressure answered；Inquire the corresponding relation data of pre-set gap and contact area according to the contact area, determine described in Corresponding gap in machined parameters；Pre-set cutter lifting speed pass corresponding with contact area is inquired according to the contact area Coefficient evidence determines corresponding cutter lifting speed in the machined parameters；Pre-set cutter lifting is inquired according to the contact area to add The corresponding relation data of speed and contact area determines corresponding cutter lifting acceleration in the machined parameters；According to the contact Area inquires the corresponding relation data of pre-set working hour and contact area, determines corresponding working hour in the machined parameters.
In the optional embodiment of the present embodiment, the parameter generation module 430 includes: that machining the time calculates list Member；The machining the time computing unit is used to inquire pre-set electric current according to the electric current corresponding with process velocity Relation data determines the corresponding process velocity of the electric current；It calculates after the electrode threedimensional model intersects with workpiece threedimensional model Processing volume；Corresponding process time is determined with process velocity according to the processing volume；According to the electrode threedimensional model, Workpiece threedimensional model, machining starting point and processing terminal determine final processing volume；The processing volume is in the machining starting point It is zero, the processing volume is final processing volume in the processing terminal；The processing volume is processed from zero to final Corresponding process time adds up and obtains the machining the time of the electrical discharge machining during volume.
In the optional embodiment of the present embodiment, the machining the time computing unit is also used to calculate the electricity The sum of the volume of the volume of pole threedimensional model and the workpiece threedimensional model, is denoted as the first volume；It calculates described according to the electricity Pole threedimensional model intersect with workpiece threedimensional model after association volume, be denoted as the second volume；By first volume and the The difference of two volumes is determined as the processing volume after the electrode threedimensional model intersects with workpiece threedimensional model.
In the optional embodiment of the present embodiment, the parameter generation module 430 includes:
Aspect ratio computing unit, the aspect ratio computing unit is for calculating the electrode threedimensional model and workpiece three-dimensional mould The projected area of the intersection of type in the plane；Wherein, the plane is perpendicular to the machining locus, and the plane crosses institute State processing terminal；The current processing stand of the intersection is calculated at a distance from machining starting point；According to the distance and perspective plane Long-pending ratio determines aspect ratio；
Second parameter determination unit, for determining the pulse width in the machined parameters, pulse according to the aspect ratio Stop and liquid-charging type at least one of；It is also used to determine the machined parameters according to the product of the distance and projected area In cutter lifting height.
In the optional embodiment of the present embodiment, second parameter determination unit is specifically used for according to the deep diameter Than the corresponding relation data for inquiring pre-set pulse width and aspect ratio, determine that corresponding pulse is wide in the machined parameters Degree；The corresponding relation data that pre-set train pause and aspect ratio are inquired according to the aspect ratio determines the processing ginseng Corresponding train pause in number；The corresponding relationship number of pre-set liquid-charging type and aspect ratio is inquired according to the aspect ratio According to determining corresponding liquid-charging type in the machined parameters；It is preset according to the product inquiry of the distance and projected area Distance and projected area product and cutter lifting height corresponding relation data, determine that corresponding cutter lifting is high in the machined parameters Degree.
In the optional embodiment of the present embodiment, the parameter generation module 430 is specifically used for three-dimensional in the electrode Model is during from the machining starting point to processing terminal, according to the intersection of the electrode threedimensional model and workpiece threedimensional model Partial parameters obtain whole machined parameters of the electrical discharge machining and store.
3rd embodiment
As shown in figure 8, the application provides a kind of electronic equipment 5, comprising: processor 501 and memory 502, processor 501 It is interconnected with memory 502 by bindiny mechanism's (not shown) of communication bus 503 and/or other forms and is mutually communicated, stored Device 502 is stored with the executable computer program of processor 501, and when calculating equipment operation, processor 501 executes the computer Program executes the method in any optional implementation of first embodiment, first embodiment when executing.
The application provides a kind of non-transient storage media, is stored with computer program on the non-transient storage media, the meter The method in any optional implementation of first embodiment, first embodiment is executed when calculation machine program is run by processor.
Wherein, storage medium can be real by any kind of volatibility or non-volatile memory device or their combination It is existing, such as static random access memory (Static Random Access Memory, abbreviation SRAM), electrically erasable Read-only memory (Electrically Erasable Programmable Read-Only Memory, abbreviation EEPROM), can Erasable programmable read-only memory (EPROM) (Erasable Programmable Read Only Memory, abbreviation EPROM) may be programmed Read-only memory (Programmable Red-Only Memory, abbreviation PROM), read-only memory (Read-Only Memory, abbreviation ROM), magnetic memory, flash memory, disk or CD.
The application provides a kind of computer program product, when which runs on computers, makes to succeed in one's scheme Calculation machine executes the method in any optional implementation of first embodiment, first embodiment.
In embodiment provided herein, it should be understood that disclosed device and method, it can be by others side Formula is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the module, only one kind are patrolled Function division is collected, there may be another division manner in actual implementation, in another example, multiple units or components can combine or can To be integrated into another system, or some features can be ignored or not executed.
Furthermore each functional module in each embodiment of the application can integrate one independent portion of formation together Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
Herein, relational terms such as first and second and the like be used merely to by an entity or operation with it is another One entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this reality Relationship or sequence.
The above description is only an example of the present application, the protection scope being not intended to limit this application, for ability For the technical staff in domain, various changes and changes are possible in this application.Within the spirit and principles of this application, made Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this application.

Claims (14)

1. a kind of electrical discharge machining parameter generation method characterized by comprising
Obtain electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal；
According to the machining locus that the machining starting point and processing terminal are formed, the electrode threedimensional model and workpiece three-dimensional mould are controlled Type is relatively moved along the machining locus to complete the process simulation of electrical discharge machining；
The processing of the electrical discharge machining is determined according to the intersection parameter of the electrode threedimensional model and workpiece threedimensional model Parameter.
2. the method according to claim 1, wherein described according to the electrode threedimensional model and workpiece three-dimensional mould The intersection parameter of type determines the machined parameters of the electrical discharge machining, comprising:
Calculate the contact area after the electrode threedimensional model intersects with workpiece threedimensional model；
Determine that the electric current in the machined parameters, high pressure, low pressure, gap, cutter lifting speed, cutter lifting accelerate according to the contact area At least one of in degree and working hour.
3. according to the method described in claim 2, it is characterized in that, described calculate the electrode threedimensional model and workpiece three-dimensional mould Contact area after type intersection, comprising:
The surface area of the electrode threedimensional model and the sum of the surface area of the workpiece threedimensional model are calculated, first surface is denoted as Product；
Calculate it is described intersected according to the electrode threedimensional model with workpiece threedimensional model after association surface area, be denoted as second Surface area；
The long-pending difference with second surface product of the first surface is determined as the electrode threedimensional model to intersect with workpiece threedimensional model Contact area afterwards.
4. according to the method described in claim 2, it is characterized in that, determining that the processing is joined according to the contact area described Before electric current in number, further includes:
Obtain electrode material, workpiece material and electrode amount of zoom；
The electric current determined according to the contact area in the machined parameters, comprising:
Corresponding unit area maximum current is determined according to the electrode material and workpiece material；It is true according to the electrode amount of zoom Maximum processing electric current in the fixed machined parameters；
If the contact area and the product of unit area maximum current are greater than the maximum processing electric current, it is determined that the processing Electric current in parameter is the maximum processing electric current；
If the contact area and the product of unit area maximum current are no more than the maximum processing electric current, it is determined that described to add Electric current in work parameter is the product of the contact area and unit area maximum current.
5. according to the method described in claim 4, it is characterized in that, described according to the electrode threedimensional model and workpiece three-dimensional mould The intersection parameter of type determines the machined parameters of the electrical discharge machining, further includes:
Corresponding polarity in the machined parameters is determined according to the electrode threedimensional model and electrode material.
6. according to the method described in claim 2, it is characterized in that, described determine the machined parameters according to the contact area In electric current, high pressure, low pressure, gap, cutter lifting speed, cutter lifting acceleration and in working hour at least one of, comprising:
The corresponding relation data that pre-set high pressure and contact area are inquired according to the contact area determines the processing ginseng Corresponding high pressure in number；
The corresponding relation data that pre-set low pressure and contact area are inquired according to the contact area determines the processing ginseng Corresponding low pressure in number；
The corresponding relation data that pre-set gap and contact area are inquired according to the contact area determines the processing ginseng Corresponding gap in number；
The corresponding relation data of pre-set cutter lifting speed and contact area is inquired according to the contact area, determines described add Corresponding cutter lifting speed in work parameter；
Inquire the corresponding relation data of pre-set cutter lifting acceleration and contact area according to the contact area, determine described in Corresponding cutter lifting acceleration in machined parameters；
The corresponding relation data that pre-set working hour and contact area are inquired according to the contact area determines the processing ginseng Corresponding working hour in number.
7. according to the method described in claim 2, it is characterized in that, described according to the electrode threedimensional model and workpiece three-dimensional mould The intersection parameter of type determines the machined parameters of the electrical discharge machining, further includes:
The corresponding relation data that pre-set electric current and process velocity are inquired according to the electric current determines that the electric current is corresponding Process velocity；
Calculate the processing volume after the electrode threedimensional model intersects with workpiece threedimensional model；
Corresponding process time is determined with process velocity according to the processing volume；
Final processing volume is determined according to the electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal；
The processing volume is zero in the machining starting point, and the processing volume is final processome in the processing terminal Product；By the processing volume from zero to final processing volume during corresponding process time cumulative obtain the electrical spark working The machining the time of work.
8. the method according to the description of claim 7 is characterized in that described calculate the electrode threedimensional model and workpiece three-dimensional mould Processing volume after type intersection, comprising:
The volume of the electrode threedimensional model and the sum of the volume of the workpiece threedimensional model are calculated, the first volume is denoted as；
Calculate it is described intersected according to the electrode threedimensional model with workpiece threedimensional model after association volume, be denoted as the second body Product；
First volume and the difference of the second volume are determined as the electrode threedimensional model and after workpiece threedimensional model intersects Processing volume.
9. the method according to claim 1, wherein described according to the electrode threedimensional model and workpiece three-dimensional mould The intersection parameter of type determines the machined parameters of the electrical discharge machining, comprising:
Calculate the projected area of the intersection of the electrode threedimensional model and workpiece threedimensional model in the plane；Wherein, described Plane is perpendicular to the machining locus, and the excessively described processing terminal of the plane；
The current processing stand of the intersection is calculated at a distance from machining starting point；
Aspect ratio is determined according to the ratio of the distance and projected area；
At least one in pulse width, train pause and liquid-charging type in the machined parameters is determined according to the aspect ratio ；
The cutter lifting height in the machined parameters is determined according to the product of the distance and projected area.
10. according to the method described in claim 9, it is characterized in that, described determine the machined parameters according to the aspect ratio In pulse width, in train pause and liquid-charging type at least one of, comprising:
The corresponding relation data that pre-set pulse width and aspect ratio are inquired according to the aspect ratio determines the processing ginseng Corresponding pulse width in number；
The corresponding relation data that pre-set train pause and aspect ratio are inquired according to the aspect ratio determines the processing ginseng Corresponding train pause in number；
The corresponding relation data that pre-set liquid-charging type and aspect ratio are inquired according to the aspect ratio determines the processing ginseng Corresponding liquid-charging type in number；
The product according to the distance and projected area determines the cutter lifting height in the machined parameters, comprising:
The product and cutter lifting height of pre-set distance and projected area are inquired according to the product of the distance and projected area Corresponding relation data, determine corresponding cutter lifting height in the machined parameters.
11. the method according to claim 1, wherein described three-dimensional according to the electrode threedimensional model and workpiece The intersection parameter of model determines the machined parameters of the electrical discharge machining, comprising:
The electrode threedimensional model from the machining starting point to processing terminal during, according to the electrode threedimensional model with The intersection parameter of workpiece threedimensional model obtains whole machined parameters of the electrical discharge machining and stores.
12. a kind of electrical discharge machining parameter generation device, which is characterized in that described device includes:
Model obtains module, for obtaining electrode threedimensional model, workpiece threedimensional model, machining starting point and processing terminal；
Process simulation module, the machining locus for being formed according to the machining starting point and processing terminal, controls the electrode three Dimension module and workpiece threedimensional model are relatively moved along the machining locus to complete the process simulation of electrical discharge machining；
Parameter generation module, for according to the determination of the intersection parameter of the electrode threedimensional model and workpiece threedimensional model The machined parameters of electrical discharge machining.
13. a kind of electronic equipment, including memory and processor, the memory are stored with computer program, which is characterized in that The processor realizes method described in any one of claims 1 to 11 when executing the computer program.
14. a kind of non-transient readable storage medium storing program for executing, is stored thereon with computer program, which is characterized in that the computer program Method described in any one of claims 1 to 11 is realized when being executed by processor.
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