705 results about "Electrical discharge machining" patented technology

The invention discloses an electrode programming method and device, a readable storage medium and a computer program product, and relates to the technical field of automation, and the method comprises the steps: obtaining a tool path machining program of a to-be-generated electrode, and carrying out automatic batch processing based on the tool path machining program to obtain a batch processing result, the batch processing comprising post-processing, treading, plotting and simulation; if a simulation result in the batch processing result indicates that simulation is passed, it is determined that electrode programming is completed; and if a simulation result in the batch processing result indicates that simulation is not passed, acquiring an input tool path modification instruction, acquiring a modified tool path processing program according to the tool path modification instruction, and returning to the step of performing automatic batch processing based on the tool path processing program to obtain the batch processing result according to the modified tool path processing program. The efficiency and the automation level of electrode programming are improved, and then the efficiency and the automation level of electric spark machining are improved.

The invention provides a double-curved-surface hole wall rotational flow umbrella oil nozzle for low-carbon fuel and a machining method, and relates to the technical field of gas turbine fuel injection. The nozzle comprises a needle valve, a needle valve seat, a spraying hole and a rotational flow groove; the needle valve and the needle valve seat form a sealing conical surface, the inner wall face of a spraying hole of the curved-surface rotational flow umbrella spraying nozzle is a double curved surface, the double curved surface and the sealing conical surface form a ruled surface, the rotational flow groove is formed in the inner wall face of the spraying hole, and the direction of the rotational flow groove is the generatrix of the ruled surface. The inner wall face of the spraying hole is designed to be the curved face, fuel is better guided to flow in the oil nozzle, the area of a low-pressure area is reduced due to sudden change of the direction in the fuel flowing process, and therefore cavitation is restrained from occurring and developing, and the phenomena that the spraying hole is blocked and mist spraying is unstable due to cavitation are improved; the rotational flow grooves in the curved surface can be achieved through the electric spark machining technology, the machining difficulty is reduced, meanwhile, the turbulent kinetic energy and the radial momentum of fuel can be effectively improved, spray distribution is more uniform, and the atomization quality is improved.

The invention discloses a multi-discharge efficient precision machining device and method for a milling cutter. The multi-discharge efficient precision machining device comprises a high-precision machining tool, an electric spark machining pulse power supply, a discharge monitoring device and a detection device. The high-precision machining machine tool comprises an electric spark machining machine tool, a spindle, a grinding wheel, a workbench and a machine tool body. The main shaft supports accurate movement in three directions; stable and controllable pulse current and voltage are output through the electric spark machining pulse power supply; a voltage probe and a current probe are arranged on the discharge monitoring device, and discharge voltage and current data are collected in real time through the voltage probe and the current probe; the detection device comprises a non-contact optical measuring instrument, the abrasion of the grinding wheel is monitored through the non-contact optical measuring instrument, meanwhile, the machining allowance of the milling cutter blank placed on the workbench and the size precision after finish machining are measured, and the surface quality of the milling cutter is detected; the machining precision and efficiency of the milling cutter are improved, and efficient precision machining of the milling cutter is achieved.

The invention belongs to the technical field of special maintenance of reactor bodies, and particularly relates to an electric spark machining head for cutting a sleeve flange in a narrow space. Comprising an expansion mechanism, a fine adjustment jacking mechanism, a rotating mechanism, an electrode and a radial servo feeding mechanism, the rotating mechanism provides rotary motion of the electrode and drives the electrode to conduct rotary machining, the radial servo feeding mechanism provides radial feeding motion of the electrode, and the expansion mechanism plays a role in fixing and positioning. The fine adjustment jacking mechanism drives the rotating mechanism, and the radial servo feeding mechanism drives the electrode to do up-down, rotating and radial feeding movement. The method has the beneficial effects that the damage to the pressure-bearing boundary of the primary loop of the nuclear power unit can be avoided under the condition that the heat sleeve is worn out of limits and needs to be replaced aiming at the common problem of wear settlement of the heat sleeve of the control rod driving mechanism of the nuclear power unit, and the whole dismantling work has relatively high safety, reliability and economical efficiency; and greater benefits can be created for the operation of a power plant.

A method for preparing a profiled microchannel plate heat exchanger, and belongs to the technical field of heat exchange. The method based on a combination of a plurality of methods formed by selective laser melting and micro electrical discharge machining can realize a profiled microchannel plate heat exchanger having large aspect ratio flow channels and closed profile section flow channels.

The invention relates to the technical field of precision manufacturing and intelligent control, and particularly discloses an intelligent spark machine machining parameter optimization method based on effect feedback, which comprises the following steps of: calculating an abnormal characteristic value of an electrode feeding speed by using Haar wavelet transform, and analyzing time sequence data of conductivity of a working solution by using fast Fourier transform; according to the method, abnormal characteristic values are obtained, the characteristic values are constructed into a comprehensive characteristic vector, the comprehensive characteristic vector is input into a random forest model for comprehensive analysis, an electric spark machining effect score is generated, the system can dynamically adjust the electrode feeding speed and the working fluid conductivity based on the effect score, and it is ensured that machining parameters are always in the optimal configuration; according to the method, the machining efficiency is improved, the rejection rate is reduced, the surface quality and the size precision of the product are greatly improved, and the requirement of precision manufacturing is met.

A projectile with a safe and arming device includes a tunable setback arming mechanism with an arming slider constrained and guided within a slider frame. The arming slider and slider frame cooperating to have a first safe position, a second intermediate position, and a third armed position. Components, such as the arming slider are manufactured by electronic discharge machining (EDM) to provide preforms on a work piece that can be further processed and ultimately assembled into tunable setback arming mechanisms. Various desired operating characteristics of the setback arming mechanism may be provided by adjusting and / or selecting specific parameters in the arming slider and readily adjusting same through machining and heat treating.

The invention belongs to a non-traditional machining electric spark machining technology in the field of manufacturing, and discloses an electric spark multivariable self-adaptive efficient machining control system. The control system comprises an interelectrode discharge pulse distinguishing module, a gap machining state detection module, a gap environment machining state detection module, a gap voltage control module, a cutter lifting period control module and a pulse interval duration control module. By means of the method, the breakdown strength of spark liquid can be effectively maintained under various machining conditions, the probability of abnormal discharge is reduced, the machining process is stable, the discharge efficiency and the machining efficiency are high, and by establishing a corresponding machining process mathematical model and a control strategy, according to the machining condition of the discharge gap, the machining efficiency is improved. The optimal electric gauge calibration parameter configuration under the current machining condition is obtained, the electric gauge calibration parameters are adaptively changed and controlled in real time, and therefore the stable and efficient machining purpose is achieved.

A numerical control wire feeding mechanism for an automatic wire penetrating numerical control wire cut electrical discharge machining tool comprises a base plate, a wire feeding wheel mechanism and a pressing wheel mechanism, the wire feeding wheel mechanism comprises a wire feeding wheel, a wire feeding wheel shaft, a driving gear and a wire feeding wheel driving mechanism, and the pressing wheel mechanism comprises a pressing wheel, a pressing wheel shaft and a driven gear. The mechanism comprises a main swing arm, an auxiliary swing arm, a main rotating swing shaft, an auxiliary rotating swing shaft, a main push pin, an auxiliary push pin, a push-pull block, a push-pull power mechanism and an elastic component. According to the scheme, the wire feeding wheel can be accurately fed to a fixed wire feeding position, the certainty of the wire feeding center position is guaranteed, the pressure of the pressing wheel on the electrode wire during wire feeding can be adjusted through the adjusting screw, and the requirement for automatic wire feeding is met. The defects that in the prior art, the wire feeding position is uncertain, the wire feeding pressure is inconvenient to adjust, the wire feeding wheel and the electrode wire are prone to slipping in the wire feeding process, and wire feeding is unreliable are overcome.

The invention provides an electric spark machining method for a deep and narrow vent groove of a guide vane and the guide vane. The method comprises the following steps that firstly, electric spark high-speed small hole machining is adopted, and a plurality of bottom holes are machined in the guide vane to be machined through a first electrode; a second electrode is manufactured, and the forming electrode and the corresponding clamping auxiliary part are installed on the electric spark forming machine; and electric spark forming oil immersion machining is adopted, lateral flushing liquid of the guide vane to be machined is increased, machining parameters of an electric spark forming machine are set, and deep and narrow vent grooves are machined. Part of the bottom holes are pre-machined in the position to be machined in the guide vane, the deep and narrow vent grooves are machined in the bottom holes through the method that the hollow forming electrode is used for machining the forming grooves in an electric spark forming mode, and the oil flushing and chip removal conditions during forming of the deep and narrow vent grooves are improved; and the electric spark forming machining efficiency and the surface machining quality of the guide vane are improved. And the device can be applied to machining of various deep holes, grooves and runners, and is good in applicability.

A system for measuring the surface roughness of surfaces machined by electrical discharge machining (EDM) using a convolutional neural network, comprising: an image recording device with a camera module for recording images of a machined surface with depressions and burrs produced by electrical discharge machining; an image preprocessing module that is connected to the image capture device and is configured to improve the texture contours of the captured images and optimize the image; a Convolutional Neural Network module configured to receive images captured by the image preprocessing module, wherein the Convolutional Neural Network module comprises the following: a feature extraction submodule with multiple convolution and pooling layers, wherein this submodule is configured to analyze the distribution of light intensity variations in the acquired images, where darker areas correspond to valleys and lighter areas to edges of the processed surface, and extracts features from this; and a classification submodule with fully connected layers and an output layer, wherein the classification submodule is configured to predict an arithmetic mean roughness value (Ra) based on the extracted features; a computer device comprising a processor, a working memory and a storage unit, wherein the computer device is configured to execute the convolutional neural network module using the processor, the execution parameters being loaded from memory into the working memory; and an output module integrated into the computer device, wherein the processor is configured to create a database of samples with recorded surface roughness values ​​within the storage unit, the database containing the preprocessed image with timestamp and image metadata as well as the results obtained from the prediction, and wherein the processor is further configured to deliver the predicted arithmetic mean roughness value (Ra) from the output layer to a user interface.

A wire electrical discharge machining (WEDM)-adapted wire electrode includes a core material composed of brass having a zinc concentration of greater than 40 mass %, and a coating layer covering a periphery of the core material, wherein the coating layer is composed of brass having a zinc concentration higher than the zinc concentration of the core material and of 44 mass % or more and 50 mass % or less, and wherein a ratio of a thickness of the coating layer to a diameter of the WEDM-adapted wire electrode is 2% or more and 20% or less.

The utility model relates to the technical field of electric spark cutting, and discloses a water spray nozzle for an electric spark wire cutting machine tool, which comprises an electric spark cutting machine, a mounting plate is arranged on one side of the electric spark cutting machine, a mounting frame is arranged on one side of the mounting plate, and a sprayer is fixedly arranged on one side of the bottom of the mounting frame. And a cutting wire is arranged at the bottom of the electric spark cutting machine. A plurality of water outlets are evenly formed in the bottom of the spraying nozzle of the device, cooling liquid can flow out of the water outlets at the same time, the cooling liquid is gathered in the gathering groove and flows out towards the lower end along the cutting wire, a plurality of flow guide plates are evenly arranged at the bottom of the spraying device, and the cooling liquid can be guided by the flow guide plates along the cutting wire. Therefore, the situation that the cooling liquid is scattered after being sprayed out is avoided, the aggregation between the cooling liquid and the cutting wire is improved, and heat dissipation of the cutting wire is guaranteed.

The utility model discloses a stable and adjustable gravity type automatic wire tightening device suitable for a linear cutting machine tool, which comprises a first wire tightening mechanism, a second wire tightening mechanism, a third wire tightening mechanism, a fourth wire tightening mechanism, a fifth wire tightening mechanism, a sixth wire tightening mechanism, a fifth wire tightening mechanism and a sixth wire tightening mechanism, the gravity wire tightening mechanism is detachably connected with the first wire tightening mechanism and is used for adjusting the tensioning force of the molybdenum wire; the lower end of the gravity wire tightening mechanism is detachably connected with a heavy hammer locking and releasing mechanism, the tensioning force of the molybdenum wire is adjusted by increasing or reducing balancing weights according to the principle that the gravity is constant, so that the molybdenum wire of the wire cut electrical discharge machining tool can obtain the constant, uniform, continuous, stable and adjustable tensioning force in the running process, and the service life of the wire cut electrical discharge machining tool is prolonged. Therefore, the machining precision is further improved, the problem of single-side wire loosening of the wire cylinder is solved, the machining precision of a linear cutting machine tool can be further improved, the machining precision of workpieces such as hole pattern sample plates is guaranteed, and thick workpieces can be easily machined.

The invention relates to the technical field of electrode wires, and discloses a molybdenum-tungsten composite material and a preparation method thereof in order to solve the problem of too fast loss of a composite doped molybdenum wire electrode wire, and the molybdenum-tungsten composite material comprises the following components in percentage by mass: 10-16% of tungsten, 0.1-0.15% of lanthanum and the balance of molybdenum and inevitable impurity elements; 5-12% of tungsten and molybdenum form a molybdenum-tungsten alloy matrix, the balance tungsten is pure tungsten mass points, the molybdenum-tungsten alloy matrix is a uniform molybdenum-tungsten alloy solid solution formed by tungsten and molybdenum, and the pure tungsten mass points are pure tungsten dispersed and distributed in the molybdenum-tungsten alloy solid solution. The molybdenum-tungsten composite material comprises a molybdenum-tungsten alloy solid solution formed by tungsten and molybdenum and pure tungsten particles dispersed and distributed in the molybdenum-tungsten alloy solid solution, in the subsequent discharging process, due to the point effect, discharging is mainly concentrated on the pure tungsten particles with higher ablation resistance, and the ablation resistance of the pure tungsten particles is improved through the high melting point of tungsten. Therefore, the wire loss of the wire cut electrical discharge machining electrode wire in the discharging process can be reduced, and the service life of the electrode wire is prolonged.

The invention provides an electric spark method for a front diffuser blade profile of an aero-engine combustion chamber, which comprises the following steps of: sequentially performing electric spark machining on the profile and the runner surface of a blade through a rough machining profiling electrode, a blade back finish machining profiling electrode and a blade basin finish machining profiling electrode respectively; and finally, the thickness of the remelting layer on the surface of the electrosparking material is removed through abrasive particle flow equipment, the number of procedures is small, the machining precision can be guaranteed, and the machining efficiency and precision are effectively improved.

The invention belongs to the technical field of machining equipment, and discloses a double-shaft numerical control rotary table which comprises a base, a rotating unit and a supporting unit, a rotating workbench of the rotating unit can be connected with a clamping component to fix a workpiece to be machined, a rotating shaft can drive the rotating workbench to rotate, and a swing shaft drives the rotating workbench to swing through the rotating shaft. Therefore, multi-face machining of the to-be-machined workpiece is achieved, repeated clamping is avoided, the machining precision and the machining efficiency can be improved, and the supporting unit provides stable supporting for the rotating unit. The inner cavities of the swinging main body, the first supporting body and the second supporting body are all sealed cavities, and an external sealing gas source conveys sealing gas into the three sealed cavities, so that the sealing reliability of the cavities is ensured. The invention further provides an electric spark machine tool which comprises an oil groove and the double-shaft numerical control rotary table, the double-shaft numerical control rotary table is immersed in the machine tool liquid of the oil groove, the sealing effect of the double-shaft numerical control rotary table is effectively guaranteed, and the adaptability of the electric spark machine tool is improved.

A flexible electrode (2) in-line deformation electrical discharge cutting method. During machining of complex surfaces, such as blisks, a flexible electrode (2) is used as a tool electrode for electrical discharge machining, the surface of the flexible electrode (2) is used as a machining surface for performing cutting-type electrical discharge machining along a preset path, and, according to the curvature characteristics of the machined surfaces, the flexible electrode (2) undergoes in-line deformation, thereby completing the machining of complex surfaces. The flexible electrode (2) is made of a material having good electrical conductivity and elasticity, so as to ensure that the flexible electrode (2) can recover after deformation. Using the flexible electrode (2) for realizing electrical discharge cutting machining for three-dimensional complex surfaces can simplify a design process for the tool electrode and improve the electrical discharge machining efficiency.

The invention discloses an electric spark deep small hole machining process design method, which belongs to the technical field of aero-engine part case machining, and comprises the following steps: designing an ultrasonic device to assist chip removal through ultrasonic vibration in the electric spark machining process, and adjusting the power of the ultrasonic device, the position of an ultrasonic vibration source and the angle of the ultrasonic vibration source; under different ultrasonic influence factors, carrying out orthogonal test electric spark machining on the deep small hole, wherein the ultrasonic influence factors comprise ultrasonic power, the distance between an ultrasonic vibration source and a machining part and the ultrasonic direction; the machining quality of the electric spark deep small hole machining test is compared, and the optimal ultrasonic influence factor combination is obtained; and the ultrasonic device is adjusted according to the optimal ultrasonic influence factor combination, and the adjusted ultrasonic device is used as an auxiliary device for electric spark deep small hole machining. The method has the advantage that carbon deposition in the electric spark deep small hole machining process is reduced.

The invention discloses a special-shaped hole machining system and a special-shaped hole machining method. The machining method of the special-shaped hole comprises the steps that quasi-continuous laser is adopted for machining in a machining target to form a prefabricated hole; carrying out scanning processing on the prefabricated hole by adopting ultrafast laser according to a layer-by-layer scanning removal mode so as to process the prefabricated hole into a special-shaped hole; and the straight round section of the special-shaped hole is subjected to fine trimming treatment in any one of ultrasonic-assisted mechanical tool cutting machining or ultrasonic-assisted electric spark machining and electro-hydraulic beam machining, so that the taper is eliminated. According to the special-shaped hole machining system and the special-shaped hole machining method provided by the embodiment of the invention, machining of complex special-shaped holes can be achieved, and meanwhile the problems of conicity and wall damage are avoided.

The utility model relates to the technical field of electric spark machining punching, in particular to an angle-adjustable special-shaped hole electric spark machining punching device which drives a placing table to rotate through cooperation of a rotating mechanism and enables a moving plate to adjust the angle through cooperation of an overturning mechanism and an auxiliary mechanism. Therefore, the punching operation can be carried out according to actual requirements, the working efficiency is improved, and the practicability is high; a perforating device is arranged on the first mounting plate, two first fixing plates are symmetrically and fixedly mounted on the bottom plate, a moving plate is attached to the two first fixing plates, a rotating mechanism is arranged on the moving plate and comprises a working plate, the working plate is fixedly connected with the moving plate, and a second mounting plate is fixedly mounted on the moving plate. A motor is fixedly mounted on the second mounting plate, a first synchronizing wheel is fixedly mounted at the output end of the motor, a second synchronizing wheel is rotatably mounted on the working plate, and the first synchronizing wheel and the second synchronizing wheel are connected through a belt.

The invention relates to a layered cathode structure based on functional layer-buffer layer alternate distribution and a rapid trial-manufacturing method thereof, and belongs to the technical field of machining, the layered cathode structure comprises a functional structure surface layer and a matrix, and the functional structure surface layer is further formed by stacking and alternately arranging a plurality of sub functional layers and buffer layers. In actual service, a refractory oxide layer is generated in situ on the basis of the functional layer made of the thermochemical material, self-protection is completed, and electrons are emitted to support arc discharge; and the buffer layer is made of a nanocrystalline material with high plastic deformation capacity, so that the thermal stress of the functional layer can be released through proper deformation of the buffer layer, and meanwhile, cathode spot migration can be accelerated when the buffer layer is in contact with a cathode arc so as to slow down cathode burning loss. Through the synergistic effect of the functional layer and the buffer layer, the problems of cracking, splitting and coating falling caused by plasma discharge shock heating and shock cooling of the layered cathode in application scenes such as electric spark machining hole making and electric arc welding are solved, meanwhile, the ablation uniformity is improved, and the ablation rate is reduced.

An assembly welding method for a high-temperature alloy 3D printing piece in a solid solution aging state comprises the steps that firstly, a plurality of special plugs are machined through a welding tool, and then a plurality of powder clearing holes in the solid solution aging state of the high-temperature alloy 3D printing piece are blocked in the mode that the special plugs are connected through manual tungsten electrode argon arc welding; then X-ray inspection is conducted on the high-temperature alloy 3D printing piece in the solid solution aging state, if redundant substances appear in an inner cavity channel of a product, the outer wall of the 3D printing piece is punched through an electric spark technology, and after the redundant substances are removed, the outer wall of the 3D printing piece is blocked in the mode that argon tungsten-arc welding is connected with a special plug; and if welding defects such as cracks occur in the powder cleaning hole / external hanging piece welding seam, the powder cleaning hole / external hanging piece welding seam is blocked in a mode of welding a special plug through argon tungsten-arc welding after the defects are eliminated.

The utility model belongs to the technical field of cutting machining, and particularly relates to a wire cut electrical discharge machining machine tool which comprises a machine tool body, a cutting executing mechanism is arranged above the machine tool body, and a cutting wire walking mechanism is arranged on one side of the cutting executing mechanism. A cutting wire walking mechanism is arranged, the distance of an electrode wire is effectively adjusted, a first lead screw arranged in an E-shaped frame is driven by a first motor to rotate, meanwhile, a first moving table and a wire storage barrel arranged on one side of a protective shell are driven to move, and the wire storage barrel is driven by a lifting assembly in a square box; according to the electrode wire cutting device, the transverse table telescopic assembly arranged on the front side is adjusted to ascend and descend, wire guide wheels arranged at the two ends of the transverse table telescopic assembly transversely stretch out and draw back the electrode wire, the electrode wire is tensioned through an arranged electric hydraulic telescopic rod and a pushing tensioning wheel, the used electrode wire is cooled through an arranged cooling assembly, and the cutting effect is guaranteed; meanwhile, the effect of adjusting the distance of the electrode wire is enhanced, the cutting precision is improved, and the use flexibility is improved.

The invention discloses a molten metal membrane electrode electric spark machining system and method.The system comprises a pulse power source, a molten metal membrane electrode, a liquid supply system and a liquid membrane control system, the molten metal membrane electrode comprises a carrier, and the surface of the carrier is covered with a molten metal membrane layer to serve as a liquid membrane electrode for discharging; the liquid film control system is used for controlling the liquid supply system to supply liquid to the carrier so as to control the shape of the metal liquid film layer; during working, one pole of the pulse power supply is electrically connected with the metal liquid film layer, and the other pole of the pulse power supply is electrically connected with a workpiece to be machined. Compared with the prior art, frequent electrode replacement or off-line compensation in the electric spark machining process can be avoided, and then the machining efficiency is improved.

The invention discloses a preparation method of a high-entropy alloy EBSD sample. The method comprises the following steps: 1, cutting a high-entropy alloy sample to be prepared by adopting wire cut electrical discharge machining equipment; 2, polishing the high-entropy alloy sample to be prepared by waterproof abrasive paper to remove a surface oxide layer generated by linear cutting; thirdly, an electrolytic polishing device is built through a power source, an electrolytic bath, electrolyte, an electrode plate and a magnetic stirrer, and then the ground high-entropy alloy sample to be prepared is subjected to electrolytic polishing through a direct-current power source; and 4, the high-entropy alloy to-be-prepared sample obtained after electrolytic polishing is cleaned and blow-dried, and the high-entropy alloy EBSD sample is obtained. The high-entropy alloy EBSD sample is prepared by grinding the cut high-entropy alloy to-be-prepared sample, then carrying out electrolytic polishing and carrying out ultrasonic cleaning and blow-drying, the preparation method is simplified, the sample preparation speed and the sample preparation success rate are improved, the sample preparation cost is reduced, the high-quality surface high-entropy alloy EBSD sample is obtained, and the method is suitable for the field of preparation of the high-entropy alloy EBSD sample.

The invention discloses a method for machining a deep-hole double-angle small-conical-surface inner cavity of an oil nozzle and the oil nozzle, and the method comprises the following steps that S1, a center drill is used for centering before drilling so as to machine a center hole; s2, a guide drill is used for conducting deep hole guide machining on the center hole so that a first deep hole can be machined; s3, a deep hole drill is used for conducting chambering machining on the first deep hole so that a second deep hole can be machined; s4, forming machining of a taper molded surface is conducted on the second deep hole through a forming drill so that the double-angle small-conical-surface inner cavity deep hole can be machined; when the double-angle small-conical-surface inner cavity deep hole is machined, a forming drill with the drill point angle from large to small is adopted for machining step by step. The method is adopted for deep hole machining of the oil nozzle, machining defects such as inner wall burrs are effectively removed, the machining quality is improved, electric spark machining is replaced with a guide drill, a deep hole drill and the like, the machining time is saved, the production efficiency is improved, and the machining cost is reduced.

The invention discloses an electrode programming method, a server, a readable storage medium and a computer program product, and relates to the technical field of automation, the method is applied to the server, the server is connected with a task distribution client, and the method comprises the following steps: responding to an electrode programming task issued by the task distribution client, obtaining an electrode three-dimensional model according to the electrode programming task; performing automatic tool path programming processing according to the electrode three-dimensional model to obtain a tool path processing program; and performing automatic batch processing based on the tool path processing program to obtain a batch processing result so as to complete electrode programming, the batch processing including post-processing, treading, plotting and simulation. The efficiency and the automation level of electrode programming are improved, and then the efficiency and the automation level of electric spark machining are improved.

The utility model relates to the technical field of electric spark machining, in particular to a part positioning jig for electric spark machining, which comprises a base, a fixing table is arranged at the top of the base, side grooves are arranged on two sides of the outer surface of the fixing table, and four support legs are mounted at the bottom of the base. Positioning structures are arranged in the two side grooves, the two positioning structures comprise threaded rods, the two threaded rods are in threaded connection with the side grooves, and rotating handles are installed at one ends of the two threaded rods; by means of the positioning structure, when common parts and special-shaped parts are machined and positioned, the parts are placed in the fixing table, then rotating handles are rotated correspondingly, threaded rods are made to move forwards, and therefore fixing blocks can drive connecting rods to slide forwards in moving grooves; therefore, the side line of the part can be hooped, the part can be fixed, and the purpose of fixing and positioning different special-shaped parts is achieved.

The utility model provides a large-size silicon carbide wire cut electrical discharge machining device which comprises a main body assembly, a fixing assembly is arranged at the top of the main body assembly, and the fixing assembly comprises a base, a fixing plate, a second driving motor, a rotating table, an insulation transition plate, a three-jaw chuck, a conductive transition plate, a silicon carbide crystal ingot, a support and an electric brush. A fixing plate is fixedly connected to the top of the base, a second driving motor is installed on one side of the fixing plate, and an output shaft of the second driving motor is fixedly connected with the rotating table. The lead screw rotates to drive the electrode wire to move to cut silicon carbide, meanwhile, the driving motor is used for driving a silicon carbide crystal ingot to rotate in the cutting process, rotary machining partition cutting is achieved, and the cutting thickness of the electrode wire to the silicon carbide is reduced; by means of the wire cut electrical discharge machining method, machining of large-diameter silicon carbide materials can be achieved, and particularly the difficulty of cutting machining of wafer substrates with the size larger than 12 inches is broken through.