WO2009101688A1 - Dispositif d'usinage par décharge électrique - Google Patents

Dispositif d'usinage par décharge électrique Download PDF

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Publication number
WO2009101688A1
WO2009101688A1 PCT/JP2008/052406 JP2008052406W WO2009101688A1 WO 2009101688 A1 WO2009101688 A1 WO 2009101688A1 JP 2008052406 W JP2008052406 W JP 2008052406W WO 2009101688 A1 WO2009101688 A1 WO 2009101688A1
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WO
WIPO (PCT)
Prior art keywords
machining
electrode
shape data
processing
area
Prior art date
Application number
PCT/JP2008/052406
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English (en)
Japanese (ja)
Inventor
Tomoko Sendai
Kohtaroh Watanabe
Kazushi Nakamura
Original Assignee
Mitsubishi Electric Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corporation filed Critical Mitsubishi Electric Corporation
Priority to PCT/JP2008/052406 priority Critical patent/WO2009101688A1/fr
Priority to JP2009553307A priority patent/JPWO2009101688A1/ja
Publication of WO2009101688A1 publication Critical patent/WO2009101688A1/fr

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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
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
    • B23H7/20—Electric circuits specially adapted therefor, e.g. power supply for programme-control, e.g. adaptive
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/45—Nc applications
    • G05B2219/45221—Edm, electrical discharge machining, electroerosion, ecm, chemical
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • This invention relates to generation of machining conditions and determination of a machining order of an electric discharge machining apparatus.
  • Patent Document 1 discloses a technique for extracting workpiece data from design information and creating a machining program and a movement program based on the information.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to obtain an electric discharge machining apparatus that performs machining as requested by a user without requiring user know-how and special labor.
  • An electric discharge machining apparatus comprises: input means for inputting simulation shape data which is a simulation result of cutting based on designed shape data; electrode shape data input means for inputting electrode shape data; and the simulation shape A calculation means for calculating interference between the data and the electrode shape data, and calculating a processing area according to a change in processing depth; a processing condition setting means for setting a processing condition according to the processing area obtained by the calculation means; The machining conditions set by the machining condition setting means are used to control the discharge between the electrode and the workpiece to perform the machining.
  • the data after cutting that is, the data before electric discharge machining
  • an accurate machining area can be calculated by adjusting the size of the internal model in accordance with the actual model, and appropriate machining conditions can be calculated. There is an effect that can be obtained.
  • FIG. 3 is an operation flowchart of a machining condition generation unit in the first embodiment. It is a figure which shows the electrode shape after reduction, and the electrode shape before reduction. 10 is an operation flowchart of a machining condition generation unit in the second embodiment. It is a conceptual diagram at the time of processing using a some electrode. 14 is an operation flowchart of a machining condition generation unit in the third embodiment. 10 is an operation flowchart of a machining condition generation unit in the fourth embodiment. It is a figure which shows an analysis condition setting screen. 10 is an operation flowchart of a machining condition generation unit in the fifth embodiment. It is a figure explaining the machining allowance in a workpiece.
  • 20 is a flowchart for determining processing conditions according to the processing area in the sixth embodiment.
  • 20 is an operation flowchart of a machining condition generation unit in the eighth embodiment.
  • 20 is a flowchart for obtaining an area change rate in the eighth embodiment.
  • 20 is an operation flowchart of the machining condition generation unit in the ninth embodiment.
  • 38 is a flowchart for obtaining an area change in the ninth embodiment. It is a figure explaining the leftover part at the time of cutting.
  • FIG. 1 is a diagram showing a schematic configuration in the present embodiment showing a flow of control inside an electric discharge machining apparatus based on data from CAD (Computer Aided Design) and a cutting simulation apparatus.
  • CAD Computer Aided Design
  • FIG. 1 is a diagram showing a schematic configuration in the present embodiment showing a flow of control inside an electric discharge machining apparatus based on data from CAD (Computer Aided Design) and a cutting simulation apparatus.
  • CAD Computer Aided Design
  • FIG. 1 is a diagram showing a schematic configuration in the present embodiment showing a flow of control inside an electric discharge machining apparatus based on data from CAD (Computer Aided Design) and a cutting simulation apparatus.
  • CAD Computer Aided Design
  • the cutting simulation apparatus 2 in FIG. 1 inputs a cutting NC program for cutting, virtually moves the cutting tool according to the tool path based on the cutting program, and selects a portion through which the tool has passed.
  • the post-cutting shape data 4 is created by calculating the difference from the original shape. Note that the cutting simulation device 2 holds the data of the dimensional shape of the cutting tool, calculates the shape of the part left behind by the selected cutting tool, and creates post-cutting shape data.
  • the CAD 1 also designs an electrode for electric discharge machining and similarly creates electrode shape data.
  • the electrode shape data will be described as data before reduction by electric discharge machining.
  • the reduction of the electrode shape data is generally performed when machining is performed with an electrode for electric discharge machining having the same dimensions as the shape of the workpiece designed by CAD.
  • the electrode is processed using a ⁇ 9.2mm electrode considering the swing and gap. Done.
  • the electric discharge machining apparatus 3 generates electric discharge between the electrode 4 and the workpiece 5 to perform machining, and controls the relative movement between the electrode 4 and the workpiece 5 and the supplied energy. To process the workpiece 5.
  • the electric discharge machining apparatus 3 inputs solid shape data input unit 11 that inputs electrode shape data before reduction from CAD 1 and shape data after cutting from cutting simulation device 2 as a shape expressed by a triangular patch.
  • Each function includes a triangular patch data input unit 12, a required specification input unit 13 for inputting required specifications, a machining condition generation unit 14, and a machining control unit 15 for controlling electric discharge machining.
  • the triangular patch is a data format normally held by a three-dimensional CAD that represents a three-dimensional object with a small triangular surface.
  • FIG. 2 is a flowchart showing the operation of the machining condition generation unit 14.
  • the machining condition generation unit 14 includes, for example, required specifications such as electrode material, workpiece material, and finish surface roughness input by the user via the required specification input unit, electrode shape input via the solid data input unit 11, and cutting Data on the post-cutting shape including the actual unprocessed portion simulated by the simulation apparatus 1 is input. Then, the electrode shape and the post-cutting simulation shape data are converted into a triangular patch data format to convert the data into an area extraction model, and the interference between the electrode 4 and the workpiece 5 according to the processing depth (processing progress). A part (part to be subjected to electric discharge machining) is calculated, and a DB indicating the machining depth and the machining area is created.
  • a machining condition corresponding to the machining area corresponding to the required specification and machining depth is determined, and electric discharge machining is performed via the machining control unit 15.
  • the machining area is calculated based on the actual shape of the workpiece 5 in which there are uncut parts and the like that are actually machined and simulated by the cutting simulation device 2, the machining area should be actually machined. There is an effect that an appropriate processing condition according to the processing area is generated.
  • the post-cutting shape to be input is obtained by moving the cutting tool along the tool path and calculating the difference from the original shape by passing the tool, but the three-dimensional shape represented by the triangular patch is a CAD user. It is possible and practical to perform complex calculations that are difficult with calculations between the solid models created by H.
  • the shape after cutting is assumed to be a shape expressed by a triangular patch. Instead of a triangular patch, a polygon mesh other than a triangular patch or a three-dimensional shape is expressed by XY coordinates and a Z height. Even if the map is used, the same effect as in the first embodiment is obtained.
  • Embodiment 2 the electrode shape data before the reduction is used, but the electrode shape data after the reduction may be used.
  • the electrode shape data before reduction is actually performed by adding the thickness corresponding to the reduction amount to the electrode shape data after reduction, and actually performing electric discharge machining.
  • the electrode data is fattened by the reduced amount and converted into an area extraction model.
  • the interference part (the part to be subjected to electric discharge machining) between the electrode 4 and the workpiece 5 corresponding to the machining depth (progress of machining) is calculated, and a DB indicating the machining depth and the machining area is created.
  • Embodiment 3 a case where a workpiece is processed using a plurality of electrodes will be described.
  • the processing amount at each electrode varies greatly depending on the processing order. For example, when a final machining shape as shown in FIG. 5 is machined, a portion to be subjected to electric discharge machining after cutting is a hatched area.
  • the processing order and the electrode shape are input by the user (specifically, the electrode shape data sent from CAD1 is displayed and the order is selected), This is the one that optimally sets the processing conditions for each electrode.
  • the processing order of each electrode used for processing is input and the shape of each electrode is input.
  • the interference part with a to-be-processed object is calculated for every electrode to be used, and the electrode 4 according to processing depth (progress of processing)
  • the interference part (the part to be subjected to electric discharge machining) of the workpiece 5 is calculated and a DB indicating the machining depth and the machining area is created.
  • an interference portion (electric discharge machining portion) by the electrode is removed from a portion to be removed by electric discharge machining, and preparation for calculation of an interference portion at the next electrode is performed.
  • the processing conditions corresponding to the processing area corresponding to the required specifications and the processing depth are determined, and the processing conditions are determined repeatedly until the processing conditions of all the electrodes used for processing are determined.
  • the processing area for processing with each electrode can be accurately calculated by specifying the processing order and electrode shape for each electrode. Therefore, the optimum machining conditions are selected, and high-speed and high-precision machining can be performed.
  • Embodiment 4 has a function of estimating the machining time with respect to the third embodiment, and calculates the total machining time corresponding to the case where the order is changed, and determines the order so that the machining time is shortened. is there.
  • a processing order possibility table that assumes the processing order of each electrode according to the number of all input electrodes. Is created. This processing order possibility table exists for the number of floor combinations when all the electrodes are different in shape.
  • the shortest machining time is initialized, and the machining conditions in the inputted machining order are determined in the same manner as in the third embodiment. Then, for example, the machining time is obtained by using the technique disclosed in WO2004 / 103625, and “minimum machining time> machining time” is determined. If the determination result is positive, the machining time is input to the minimum machining time.
  • the processing order is the shortest processing order.
  • the shortest processing order in the combination can be obtained by repeatedly executing the above operations for all the processing orders (for example, six kinds of processing orders for the three types of electrodes as described above). As a change.
  • the processing condition generation unit 14 estimates the processing time in each processing order according to the electrode shape input by the user and the type of electrode used (specifically, an example of processing order input). Since the order is determined so as to be shorter, there is an effect that high-speed machining can be performed without being aware of the machining order. In particular, the combination of a low input energy such as rib processing and normal bottom processing is highly effective.
  • Embodiment 5 in the fifth embodiment, whether or not the workpiece model that is the final shape of the workpiece includes discharge allowance and whether or not the electrode model includes a reduction amount are input. .
  • the screen shown in FIG. 8 is displayed, and the analysis conditions in the machining condition generation unit 14 are set by the user. Specifically, if the work model includes the discharge allowance as in the cutting simulation result, check “immediately after cutting”, and if not, check “final product”. In the case of “final product”, a screen for inputting a machining allowance to be subjected to electric discharge machining is displayed.
  • the final product is a finished product that has been subjected to cutting processing ⁇ electric discharge processing ⁇ polishing processing. For example, in the case of mold processing, it refers to the mold itself.
  • the electrode model contains a reduction amount
  • check “No reduction”, if not, check “Reduced” and if it contains, a screen for entering the reduction amount. indicate.
  • FIG. 9 is an operation flowchart of the machining condition generation unit 14.
  • the electrode is an electrode to which reduction amounts such as swing and gap are added. Therefore, the process shifts to shape input after the cutting simulation. However, in the case of the model before reduction, the electrode data is thickened by the amount of reduction such as swinging and gap.
  • the workpiece model is immediately after cutting, the process proceeds to a process for converting to a model for area extraction. If the workpiece model is a final product, processing is performed to thicken the post-cutting model of the machining allowance. . To thicken the model after cutting by the machining allowance refers to fleshing the machining area as shown in FIG. That is, as shown in FIG.
  • the interference part between the electrode and the workpiece is calculated, a DB indicating the relationship between the machining depth and the machining area is created, the machining conditions according to the machining area are determined, and electric discharge machining is performed. I do.
  • the actual electrode model data possessed by the user may be after reduction or before reduction in consideration of the discharge gap and fluctuation, but the user has to bother the shape on the CAD. Even if it is not created, there is an effect that the processing conditions can be obtained using the shape on hand.
  • the shape type is input from the screen. However, any form that can be imported from the outside, such as a file, may be used.
  • Embodiment 6 an example of a flow part for calculating an interference part between an electrode and a workpiece in the first embodiment and creating a DB indicating a processing depth and a processing area and a flow part for determining a processing condition from the area will be described.
  • the area corresponds to the processing conditions
  • a table in which the processing conditions E0 to E4 are set in advance according to the corresponding area to be processed as shown in FIG. 11 is provided.
  • the processing conditions suitable for the corresponding area to be selected are selected.
  • the processing conditions and the area are generally related by current density.
  • the processing conditions are switched based on the corresponding area to be processed based on the table shown in FIG.
  • FIG. 12 is a flowchart showing an operation for determining the processing conditions according to the processing area.
  • the machining areas A0 and A1 at the machining start position D0 and the machining end position (final depth) D1 are first determined based on the actual shape in which there are uncut portions that are actually cut, and the corresponding machining conditions E0 and E1 are obtained. It is obtained from the table of FIG. If the machining strips E0 and E1 are the same, the machining area range to be machined is the same at the machining start position D0 and the machining end position D1, and thus the machining condition A0 is output and the process ends.
  • the timing for switching the machining condition from E0 to E1 exists between the center depth D2 and the machining end position D1.
  • the machining condition corresponding to the area A2 at the center depth D2 is the machining condition E1
  • the timing for switching the machining condition from E0 to E1 exists between the center depth D2 and the machining start position D0. . That is, in order to determine the position for switching the machining conditions, in the former case, the area A3 of D3 between the center depth D2 and the machining end position D1, and in the latter case, the center depth D2 and the machining start position D0.
  • Dn is set to a depth for switching to E1.
  • the machining conditions are two stages, but the same processing is performed when the machining conditions are switched to a plurality of stages instead of two stages.
  • the end condition is set until the step width becomes 5 ⁇ m or less, other values may be used instead of 5 ⁇ m.
  • the shape after cutting is generally complicated, it is necessary to reduce the number of calculations of the interference portion between the electrode and the workpiece as much as possible.
  • the conventional method since the area corresponding to the depth position is obtained, if the step of the depth position for obtaining the area is roughened, an error in the depth direction occurs, and the step of the depth position for obtaining the area is made fine. It becomes a huge amount of calculation.
  • the data of the machining condition DB normally held by the die-sinking electric discharge machine is not continuous but discrete, it is only necessary to know the machining depth at the timing in the area where the machining conditions need to be switched.
  • the present embodiment since the number of calculations of the interference portion between the electrode and the workpiece is reduced, there is an effect that the calculation time is short.
  • Embodiment 7 FIG.
  • the machining area is obtained from the shape after the cutting simulation, and the machining conditions according to the corresponding area to be machined are associated in advance with the table shown in FIG. 11, but the machining area is separately input by the user, It may be set by input from a file.
  • the machining condition is changed at a location where the area changes in accordance with the input, and the number of times of calculating the interference portion between the electrode and the workpiece is reduced, so that the calculation time is short.
  • Embodiment 8 FIG. In the eighth embodiment, as shown in FIG. 13, the machining area is obtained from the shape after the cutting simulation, and the depth when the change rate of the machining area is a times or more (a> 1.0) is obtained. The machining conditions are changed at the depth position. Processing corresponding to the change in the processing area will be described with reference to the flowchart of FIG.
  • the machining areas A0 and A1 at the machining start position D0 and the machining end position (final depth) D1 are first determined based on the actual shape in which there are uncut portions that are actually cut. Then, it is determined whether or not the rate of change between the machining areas A0 and A1 is a times. If the rate of change in machining is a times or less, there is little change in the machining area and there is no need to change the machining conditions. A machining condition corresponding to the area A0 of the machining start position D0 is obtained, and electric discharge machining is performed.
  • the rate of change between A0 and A1 is a times or more, it can be determined that there is a large change in the area to be machined between the machining start position D0 and the machining end position D1, and the machining conditions are set for the area A0 on the way. Must be changed for A1. Therefore, as in the sixth embodiment, since there is a change in the machining area between the machining start position D0 and the machining end position D1, the center depth D2 between the machining start position D0 and the machining end position D1 is obtained.
  • the area A2 at the center depth D2 is compared with the area A0 at the machining start position D0. If the rate of change between the area A0 and the area A2 is a or less, the machining depth having a large area change is the center depth D2. And the processing end position D1. On the other hand, if the change rate of the area A2 and the area A2 at the center depth D2 is a or more, the machining depth having a large area change exists between the center depth D2 and the machining start position D0.
  • the machining conditions are two stages, but the same processing is performed when the machining conditions are switched to a plurality of stages instead of two stages.
  • the end condition is set until the step width becomes 5 ⁇ m or less, other values may be used instead of 5 ⁇ m.
  • the processing condition DB corresponding to the area for calculating the depth needs to be determined in advance. However, when this method is used, the relationship between the area and the depth can be obtained even if it is not determined in advance. it can.
  • Embodiment 9 FIG. In the eighth embodiment, the machining depth at which the machining conditions change is obtained based on the change rate of the machining area. However, in the present embodiment, as shown in FIG. When it becomes, the depth is obtained, and the machining conditions are changed at the depth position. Processing corresponding to the change in the processing area will be described with reference to the flowchart of FIG.
  • the machining areas A0 and A1 at the machining start position D0 and the machining end position (final depth) D1 are first determined based on the actual shape in which there are uncut portions that are actually cut. Then, it is determined whether or not the difference between the machining areas A0 and A1 is equal to or greater than b (mm 2 ). If the change in area is equal to or less than b (mm 2 ), it is not necessary to change the machining conditions, so machining is started. A machining condition corresponding to the area A0 of the position D0 is obtained, and electric discharge machining is performed.
  • the area A2 at the center depth D2 is compared with the area A0 at the machining start position D0, and if the area change between the area A0 and the area A2 is equal to or less than b (mm 2 ), the machining depth having a large area change is It exists between the center depth D2 and the processing end position D1. On the other hand, if the area change between the area A2 and the area A2 at the center depth D2 is equal to or greater than b (mm 2 ), the machining depth having a large area change exists between the center depth D2 and the machining start position D0.
  • the machining conditions are two stages, but the same processing is performed when the machining conditions are switched to a plurality of stages instead of two stages.
  • the end condition is set until the step width becomes 5 ⁇ m or less, other values may be used instead of 5 ⁇ m.
  • the area change b (mm 2 ) in the present embodiment needs to be set to an appropriate value as compared with the area increment in the general processing condition DB. For example, in the case of a copper electrode or an St workpiece, Use 10 etc.
  • the processing condition DB corresponding to the area for calculating the depth needs to be determined in advance. However, when this method is used, the relationship between the area and the depth can be obtained even if it is not determined in advance. it can.
  • the present invention can be applied to a program creation device for performing electric discharge machining.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

L'invention porte sur un dispositif d'usinage par décharge électrique qui comprend un moyen d'entrée (12) pour mettre en entrée les données de profil de simulation qui sont un résultat de simulation d'un travail de découpe selon les données de profil conçues, un moyen d'entrée de données de profil d'électrode (11) pour mettre en entrée les données de profil d'électrode générées par une conception assistée par ordinateur (1), un moyen de calcul (14) pour calculer une interférence du profil de simulation avec les données de profil d'électrode et pour calculer une surface d'usinage par rapport à un changement de la profondeur d'usinage, un moyen de réglage de condition d'usinage (14) pour régler une condition d'usinage selon la surface d'usinage calculée par le moyen de calcul, et une section de commande d'usinage qui commande la décharge entre les électrodes et une pièce travaillée à l'aide de la condition d'usinage réglée par le moyen de réglage de condition d'usinage afin de procéder à l'usinage. Un tel agencement réfléchit toute partie non découpée laissée dans un résultat de simulation de coupe, réduisant ainsi le travail d'un ouvrier.
PCT/JP2008/052406 2008-02-14 2008-02-14 Dispositif d'usinage par décharge électrique WO2009101688A1 (fr)

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PCT/JP2008/052406 WO2009101688A1 (fr) 2008-02-14 2008-02-14 Dispositif d'usinage par décharge électrique
JP2009553307A JPWO2009101688A1 (ja) 2008-02-14 2008-02-14 放電加工装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104602845A (zh) * 2012-09-07 2015-05-06 株式会社牧野铣床制作所 放电加工方法及电极导向器位置设定装置
CN116438028A (zh) * 2021-04-12 2023-07-14 三菱电机株式会社 加工条件设定装置、加工条件设定方法及放电加工装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0950311A (ja) * 1995-08-04 1997-02-18 Mitsubishi Electric Corp 数値制御装置
JP2002304204A (ja) * 2001-04-05 2002-10-18 Denso Corp Ｃａｄ／ｃａｍシステムによるｎｃデータ生成システム
JP2003291033A (ja) * 2002-04-02 2003-10-14 Sodick Co Ltd 数値制御プログラム作成方法と数値制御放電加工装置
WO2004103625A1 (fr) * 2003-05-20 2004-12-02 Mitsubishi Denki Kabushiki Kaisha Machine a decharges electriques

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0950311A (ja) * 1995-08-04 1997-02-18 Mitsubishi Electric Corp 数値制御装置
JP2002304204A (ja) * 2001-04-05 2002-10-18 Denso Corp Ｃａｄ／ｃａｍシステムによるｎｃデータ生成システム
JP2003291033A (ja) * 2002-04-02 2003-10-14 Sodick Co Ltd 数値制御プログラム作成方法と数値制御放電加工装置
WO2004103625A1 (fr) * 2003-05-20 2004-12-02 Mitsubishi Denki Kabushiki Kaisha Machine a decharges electriques

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104602845A (zh) * 2012-09-07 2015-05-06 株式会社牧野铣床制作所 放电加工方法及电极导向器位置设定装置
CN104602845B (zh) * 2012-09-07 2016-10-19 株式会社牧野铣床制作所 放电加工方法及电极导向器位置设定装置
CN116438028A (zh) * 2021-04-12 2023-07-14 三菱电机株式会社 加工条件设定装置、加工条件设定方法及放电加工装置
CN116438028B (zh) * 2021-04-12 2024-02-20 三菱电机株式会社 加工条件设定装置、加工条件设定方法及放电加工装置

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