415 results about "Electric discharge" patented technology

The present invention relates to the technical field of electric spark discharge machining, and discloses an electrode structure, an electric spark machining device and a machining method, wherein the electrode structure includes a connecting member, whose axis is a first axis, and one end of the connecting member has a mounting portion; the electrode is hinged to the mounting portion through a hinge shaft, and the axis of the hinge shaft is a second axis; one end of the biasing member abuts against the connecting member, and the other end abuts against the electrode, applying a biasing force to the electrode tending to remain in the mounting portion; the connecting member can be driven to rotate around the first axis, and the electrode deflects out of the mounting portion and rotates around the second axis when the connecting member rotates. This allows the electrode to extend into a guide hole machined on a workpiece when the connecting member is not rotating, and to deflect out of the mounting portion to machine a rotating inner cavity or inner hole when the connecting member rotates to generate centrifugal force, thereby solving the problem that the electric spark equipment in the prior art cannot machine a rotating inner cavity or inner hole whose inner cavity diameter is larger than the orifice.

The invention particularly relates to a discharge machining simulation control system for a nuclear power plant in a high-radiation boron-containing water environment, which belongs to the technical field of special maintenance in the high-radiation environment of the nuclear power plant and comprises a man-machine interaction system, a discharge machining control system and subsystems. Each subsystem comprises a pulse power supply system, a servo power system, a washing system, a purification system, a grounding system and a tool system; the man-machine interaction system is used for man-machine interaction and displaying the discharge machining implementation data fed back by the subsystems; the electric discharge machining control system is used for generating an electric discharge machining instruction according to the man-machine interaction information and controlling the subsystems to cooperate to perform electric discharge machining work; and each subsystem is used for implementing electric discharge machining work according to the electric discharge machining instruction and feeding back electric discharge machining implementation data. According to the invention, simulation control of discharge processing in the high-radiation boron-containing water environment of the nuclear power plant is realized.

The invention belongs to the technical field of machine manufacturing, and particularly relates to a metal part discharge machining precision control method and system.The method comprises the steps that discharge gap multi-dimensional physical parameters are sensed in real time in a multi-modal mode, high-dimensional feature extraction and data fusion are carried out, an intelligent discharge state prediction model is constructed, and on the basis of a prediction result, a metal part discharge machining precision control system is obtained. And processing parameters such as a pulse power supply, servo feeding and dielectric liquid are adjusted in an ultra-fast and self-adaptive mode, and iterative optimization of the processing process is achieved. By the adoption of the technical scheme, the machining precision, the surface quality and the consistency of the metal part can be remarkably improved, electrode loss is reduced, and the machining efficiency is improved.

The invention relates to the technical field of industrial intelligent control, in particular to an electric discharge machine intelligent scheduling and production regulation and control system which comprises a staggered analysis module, a station mapping module, a task distribution module, a trend prediction module and an instruction regulation and control module. According to the method, the processing task parameters and the station bearing parameters of different dimensions are standardized and uniformly mapped, and then the spatial distance is calculated to accurately quantify the matching degree between the tasks and the stations, so that the limitation of static distribution can be eliminated, and redundant production resources are identified and eliminated by analyzing the change of the matching degree; according to the energy demand and time urgency dynamic remapping of a task, simplification and efficiency improvement of production configuration are achieved, meanwhile, the future abrasion risk can be foreseen by collecting key component contour data in real time and converting the key component contour data into a quantitative integrity index, establishing a state dynamic change track and conducting trend extrapolation, and the method has the advantages of being high in practicability and the like. And finally, carrying out comprehensive decision making according to the prediction result and the real-time load margin.

The utility model discloses a copper male positioning clamp and electric discharge machine equipment, and the copper male positioning clamp comprises a clamp main body which comprises a copper male positioning surface and a machine head mounting surface which are opposite to each other; the clamping block assembly comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block are movably arranged on the copper male positioning face, a first Y-axis positioning plane is arranged on the side, facing the second clamping block, of the first clamping block, a second Y-axis positioning plane is arranged on the side, facing the first clamping block, of the second clamping block, the first Y-axis positioning plane is parallel to the second Y-axis positioning plane, and the first Y-axis positioning plane is parallel to the second Y-axis positioning plane. When the first clamping block and the second clamping block get close to each other, the first Y-axis positioning plane and the second Y-axis positioning plane clamp the two sides of the copper male part. The positioning piece is vertically arranged on the machine head mounting surface, and a Z-axis positioning plane is arranged at the top end, away from the machine head mounting surface, of the positioning piece. According to the utility model, the automatic straightening of the copper pole is realized, the processing error caused by manual meter calibration is avoided, the working time required by meter calibration and straightening is saved, and the working efficiency is improved.

The invention relates to the technical field of intelligent diagnosis, in particular to an electric discharge machine machining process intelligent diagnosis method which comprises the following steps of analyzing the electric discharge machine discharge voltage change rate, dynamically adjusting a sampling window and a channel, extracting signal channel switching amplitude characteristics, correcting periodic weight parameters and outputting a dynamic weight adjustment parameter set. And calculating a weighted sum, screening a deviation period, marking an energy anomaly paragraph, and outputting a wear trend identifier. According to the method, dynamic changes of discharge signals are monitored in real time, sampling channels are optimized according to the signal fluctuation trend, weight distribution and linkage analysis among parameters in a period are adopted, energy fluctuation and abrasion information are collected in a sequence form, multi-dimensional data continuously refer to each other in the machining process, trend positioning can be achieved for abnormal phenomena, and the machining precision is improved. The abnormal tracking mechanism of the whole process is perfected, the identification granularity and trend tracing capability of state evolution are improved, and the process monitoring and risk prompting under the complex processing condition are enhanced.

The utility model discloses an auxiliary device of a wire cut electric discharge machine, which belongs to the technical field of wire cut electric discharge machines and comprises a machine frame, a wire cutting machine head is arranged at the top of the machine frame, a concentric-square-shaped groove is arranged on the top surface of the machine frame, and two U-shaped collecting boxes are placed in an inner cavity of the concentric-square-shaped groove. The two U-shaped collecting boxes are each provided with a collecting groove, and the tops of the two U-shaped collecting boxes are each fixedly provided with a set of electric push rods. According to the cutting device, when materials are placed on the rack to be cut, the two U-shaped collecting boxes are placed on the concentric-square-shaped groove, the electric push rods on the two U-shaped collecting boxes are used for driving the U-shaped frame to move upwards, the U-shaped frame is used for driving the elastic cloth to stretch and unfold, and when waste chips splash during cutting, the elastic cloth is used for blocking the waste chips, so that the waste chips are prevented from splashing. And the sweeps fall into a collecting groove to be collected, so that the splashing sweeps are prevented from bringing danger to workers, and the practicability of the device is improved.

The invention discloses discharging and grinding combined machining and manufacturing equipment and method for a milling cutter. The discharging and grinding combined machining and manufacturing equipment comprises a high-precision numerical control machine tool, an electric spark pulse power module and a mechanical grinding driving module. The high-precision numerical control machine tool comprises a machine tool body, a workbench and a machine tool spindle, a milling cutter blank is clamped and fixed through the workbench, the lower end of the machine tool spindle is provided with bidirectional grinding heads, and the grinding heads on the two sides are provided with a red copper grinding wheel and a diamond grinding wheel respectively. The electric spark pulse power supply module is electrically connected with a red copper grinding wheel on the bidirectional grinding head; the mechanical grinding driving module is connected with a grinding wheel on the bidirectional grinding head; the machining and manufacturing method comprises the steps of workpiece clamping and positioning, discharge grinding rough machining, grinding wheel switching and finish machining positioning and mechanical finish machining. By effectively combining the advantages of electric discharge machining and grinding machining, the machining precision and production efficiency of the milling cutter are improved, and the requirements of the modern manufacturing industry for high quality and high precision of the milling cutter are met.

The invention discloses an electric discharge machine multi-machine cooperative machining control method and system, and relates to the technical field of electric discharge machines. A mapping table is established, an alignment state is generated, a medium pollution threshold value is set and monitored, candidate scheduling is generated, simulation is performed by using a discharge parameter template, and gap updating monitoring, electrode abrasion compensation writing, verification before transfer and remeasurement are combined to generate a receipt. Through unified work order analysis and operation drawing modeling, centralized management of the electrode, the machine tool capacity and the quality threshold value is achieved, it is ensured that the machining precision of different machine tools is consistent, the overall efficiency is improved, the stability of continuous machining is kept, through transfer verification and quality closed loop, it is ensured that all procedures are traceable, and the working efficiency is improved. And continuous optimization is realized through abnormal classification and experience library updating, so that rework is reduced on the whole, and the stability, precision and production takt of multi-machine collaborative processing 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 invention discloses a component welding device for photovoltaic micro inverter production, and relates to the technical field of welding machining, the component welding device comprises a machining bin, a feeding port and a discharging port are formed in the two sides of the machining bin respectively, an electric feeding conveying frame and an electric discharging conveying frame are fixedly arranged in the machining bin, and a tin melting furnace is fixedly arranged in the machining bin; the tin melting furnace is located between the electric feeding conveying frame and the electric discharging conveying frame, a rotating frame is movably arranged above the tin melting furnace, a double-shaft air cylinder is fixedly arranged on the lower end face of the rotating frame, connecting rods are fixed to the tail end of the telescopic end of the double-shaft air cylinder, and a clamping jaw is fixed to the tail end of each connecting rod. A rotating unit, a lifting unit and a translation unit which are matched with the rotating frame for use are arranged in the processing bin; when the angle adjusting device is used, the angle of the PCB can be adjusted conveniently.

The invention provides a font processing technology which comprises the following steps: S1, designing a combined electrode according to the shape of a cavity on a mold core: the combined electrode comprises a first electrode and a second electrode, the first electrode is provided with a font appearance electrode, the font appearance electrode is designed corresponding to a font, and a plurality of sharp corner processing parts are reserved at sharp corner positions of the font; a sharp corner electrode is arranged on the second electrode and is used for removing the sharp corner processing part and forming a font sharp corner; s2, a combined electrode is machined, specifically, a proper carving knife is selected to conduct CNC milling machining on the combined electrode; s3, first-time electric discharge machining is conducted, specifically, a first electrode is used for conducting first-time electric discharge machining on the mold core, and primarily-machined characters are obtained; and S4, second-time electric discharge machining is conducted, specifically, a second electrode is used for conducting second-time electric discharge machining on the mold core, font sharp corners are formed, and final fonts are obtained. The font sharp corner position is split and avoided, complementary machining is conducted through the combined electrode, font sharp corners can be formed, and the appearance quality of products is guaranteed.

The present invention discloses a high-efficiency combined machining method for electric discharge material extraction. The tubular hollow electrode is used to drill holes in a workpiece at high speed, providing preparation for subsequent high-efficiency machining using a square tubular electrode. The square tubular electrode is a sleeve electrode with a certain wall thickness, which erodes the materials around the part where material extraction is required, leaving a groove with the same shape as the cross-section of the square tubular electrode on the workpiece after machining. The frame-shaped electrode can be annular, rectangular or L-shaped, which erodes the materials on the bottom surface of the square cavity. After machining with the frame-shaped electrode, the material core for material extraction will be separated from the workpiece matrix as a whole. In the process of machining the cavity by this high-efficiency material extraction method, only the materials around the cavity and on the bottom surface need to be eroded, greatly reducing the amount of eroded materials, lowering the machining cost and shortening the machining cycle.

A double-shaft numerical control wire storage barrel movement driving mechanism for a wire cut electrical discharge machining tool comprises a wire barrel, a left support, a right support, a carriage and a carriage seat, and is characterized in that a wire barrel rotation driving mechanism is composed of a wire barrel driving servo motor, and a wire barrel axial movement driving mechanism is mainly composed of a lead screw, a nut and a carriage driving servo motor. According to the scheme, rotation of the wire storage barrel and axial movement of the wire storage barrel are independently driven by a servo motor movement system capable of being digitally controlled, and associated movement of the rotation of the wire storage barrel and the axial movement of the wire storage barrel can be achieved by digitally controlling the servo motor. Therefore, independent numerical control movement of rotation and axial movement of the wire storage barrel can be met, and the requirement for numerical control linkage of rotation and axial movement of the wire storage barrel can be met. In this way, different requirements of the machine tool during automatic wire threading and actual cutting are well met.

To provide an air cleaner collecting contaminants included in air by electric discharge.SOLUTION: The air cleaner includes a dust-collection water tank, a housing, an air supply unit, an exhaust unit, a plurality of discharge electrodes, a charging unit, and a rotary blade. The dust-collection water tank is configured to contain a liquid. The housing accommodates the dust-collecting water tank. The air supply unit is configured to supply air from the outside into the dust-collecting water tank to collect contaminants contained in the air. The exhaust unit includes an exhaust pipe disposed to face a water surface of the liquid, and is configured to discharge the air supplied to the dust-collecting water tank to the outside. The plurality of discharge electrodes are arranged along the circumference of the exhaust pipe. The charging unit is disposed in the dust-collecting water tank and charges the liquid to a polarity opposite to the polarity of the plurality of discharge electrodes so that an electric field is formed between the plurality of discharge electrodes and the liquid and contaminants are collected in the liquid. The rotary blade is installed at the bottom of the dust collecting tank and rotates the liquid so that a vortex flow is formed in the liquid. The air cleaner is configured such that a separation distance between a liquid level and the plurality of discharge electrodes is within a predetermined distance range.SELECTED DRAWING: Figure 2

To restrain blow-out of electric discharge at the time of ignition.SOLUTION: An internal combustion engine comprises: an ignition plug having a center electrode and a ground electrode faced to a combustion chamber, and arranged between an intake value and an exhaust valve; and a cylinder injection valve arranged on an intake valve side to the ignition plug and injecting fuel to the combustion chamber, wherein the ground electrode and the center electrode form a discharge gap opposite to an axial direction of the ignition plug. The internal combustion engine comprises a wall part provided between the center electrode and the cylinder injection valve inside the combustion engine, and extending to a predetermined position from a ceiling side of the combustion chamber along the axial direction of the ignition plug. The predetermined position is included in a range between a tip position of the center electrode and a bottom position of the ground electrode in the axial direction of the ignition plug, and the ignition plug is arranged so that a base end of the ground electrode is positioned on an exhaust valve side to the center electrode.SELECTED DRAWING: Figure 3

The invention relates to the field of discharge cutting online detection, in particular to an online detection method and device for discharge cutting. The device comprises a discharge cutting machine tool and an experiment detection platform, the method comprises the steps that a machined workpiece is machined on a discharge cutting machine tool in a fixed-distance segmented machining mode; after the machining section is completed, the clamping mechanism for clamping the machined workpiece is integrally moved to the experiment detection platform; detecting and recording the current processing section on the processing workpiece through the experimental detection platform; with the current machining section as a starting point, fixed-distance machining of the next section is conducted again; detecting and recording the processing workpiece of the current fixed-distance processing section; and the process is finished. Through a fixed-distance multi-section cutting machining mode, the workpiece can be effectively detected in the machining process, the workpiece is freely switched between machining equipment and detection along with the clamp, the detection efficiency is improved, and the technical defect that workpiece surface defect information cannot be obtained due to blind machining is also avoided.

The invention discloses a special-shaped sealing groove combined machining device and method, and belongs to the technical field of aero-engine part machining, the special-shaped sealing groove combined machining device comprises a high-speed electric spark electrode and a forming electric spark mechanism, and a clamping mechanism comprises a base, a supporting piece, a supporting piece, a rotary pressing plate and a limiting pressing strip; a plurality of second limiting grooves are formed in the two opposite sides of the supporting piece in the transverse direction at intervals, the rotary pressing plate is used for rotating to the limiting pressing strip and pressing and limiting the limiting pressing strip, and the supporting piece is used for covering the tops of the second limiting grooves and limiting the end, facing the top of the supporting piece, of the limiting pressing strip; the supporting piece is further used for guiding and limiting the displacement of the high-speed electric spark electrode through the side edge of the supporting piece. According to the machining device, the multiple fan-shaped section products are synchronously clamped through the clamping mechanism, combined machining is conducted through high-speed electric sparks and forming electric sparks, the advantage that the high-speed electric sparks are high in material removal rate is utilized, the characteristic that the forming electric sparks are high in machining precision is combined, and the machining problem of deep narrow grooves can be solved.

This utility model relates to the field of electric wire and cable production technology, and in particular to an extrusion coating device for electric wire and cable. This device allows the electric wire and cable to be coated with different materials sequentially during its movement, thereby forming a multi-layer composite structure in a single processing cycle, effectively improving production efficiency and the bonding strength of the coating layers. The extrusion mold is equipped with a thickness control component, including horizontally movable left and right adjustable die lips, which can precisely adjust the size of the discharge hole, ensuring the uniformity and adjustability of the coating thickness to meet the processing needs of electric wire and cable of different specifications. Furthermore, the design of the conical injection channel and stepped transition surface optimizes the flow distribution of the molten material, reducing turbulence and bubble generation, and improving the coating quality. The combined use of the guide sleeve and positioning component accurately guides the electric wire and cable into the extrusion cavity, preventing deviation and ensuring the symmetry and consistency of the coating layers. The overall structure is compact, easy to operate, suitable for continuous production, and has high practicality and economy.

The utility model provides a large-stroke wire cut electrical discharge machining tool with a cutting section wire tightening structure, which comprises a winding and unwinding assembly, a taper assembly and a wire returning assembly, and further comprises a wire tightening assembly, the wire tightening assembly is mounted on the taper assembly and is close to a cutting section of a molybdenum wire, and the wire tightening assembly is mounted on the taper assembly and is close to the cutting section of the molybdenum wire. As the wire tightening assembly directly acts on the portion close to the cutting section of the molybdenum wire, the state of the cutting section can be controlled more directly and more effectively, the molybdenum wire can keep proper tensioning degree in the cutting process, the accuracy and consistency of the cutting track can be guaranteed, and therefore the cutting precision is improved; the wire tightening assembly can keep the molybdenum wire in the optimal tensioning state, so that the service life of the molybdenum wire is prolonged, the position of the wire tightening assembly is adjusted along with the taper assembly, the tensioning state of the molybdenum wire can be considered during taper adjustment, the synergistic effect of taper adjustment and wire tightening adjustment can be considered at the same time, more accurate and more complex cutting shapes can be achieved, and the cutting efficiency is improved. And the cutting diversity and flexibility are improved.

In the maintenance system of an on-line electric discharge machining apparatus, there are provided: a management device (5) that manages reference maintenance data indicating a state that maintenance of reference components of a factory-completed wire electric discharge machining apparatus is required, in accordance with a group determined based on the attribute information of the factory-completed wire electric discharge machining apparatus; a wire electric discharge machining apparatus (1) that transmits reference data indicating a reference state of an object component and usage state data indicating a usage state; and a maintenance diagnosis device (6) that receives the attribute information of the wire electric discharge machining apparatus 1, selects a group based on the attribute information, calls the reference maintenance data of the selected group from the management device (5), and diagnoses that maintenance is required when the usage state data received from the wire electric discharge machining apparatus (1) reaches the reference maintenance data. Thus, it is possible to accurately determine the timing for maintenance such as component replacement of the wire electric discharge machining apparatus.

The utility model discloses a batching device for compound fertilizer production, which relates to the field of compound fertilizer production and comprises a belt conveyor for conveying raw materials and N groups of storage units sequentially arranged on one side of the belt conveyor from front to back. The material storage unit comprises a linear driving part, a supporting cylinder, measuring hoppers and material bins used for storing raw materials, and discharging openings in the bottoms of the material bins are provided with first electric discharging valves. According to the device, the raw material quantity received by each measuring hopper is ensured to meet the specific compound fertilizer production batching requirement, and after each measuring hopper is full of the raw materials, the scraping plate can scrape the raw materials protruding out of the measuring hopper, so that the measuring accuracy of the measuring hoppers is further improved, and the device is simple in structure, reduces the expenditure of enterprises and reduces the maintenance difficulty.

The multi-wire electric discharge machine includes: a wire cutting unit that is disposed in parallel by winding a wire electrode around a plurality of guide rollers and faces a workpiece; a drive unit that adjusts the distance between the workpiece and the cutting wire unit; a processing power supply for applying a pulse voltage between the workpiece and the cutting wire part; a machining control device (9) that controls the drive unit and the machining power source; and a processing condition generation device (30) that generates an applicable processing condition, which is a processing condition applied to the next processing, on the basis of a measurement result of the thickness for each processing position in the processing surface of the thin plate cut by processing the workpiece by the cutting line section. A machining condition generation device (30) generates an applicable machining condition by correcting a basic machining condition, which is a basic machining condition, on the basis of the difference between a target value, which is a reference value for the thickness of the thin plate at each machining position, and a measurement result, and a machining control device (9) generates a machining condition for the thin plate at the next machining position by correcting a basic machining condition, which is a basic machining condition. At least one of the drive unit and the machining power source is controlled using the applicable machining condition.

A workbench is arranged on one side of a machine base, a bridge type fixing base is arranged on the upper surface of the machine base, a groove is formed in the middle of the lower surface of the bridge type fixing base, and a servo tool magazine body is arranged in the groove of the bridge type fixing base. The upper surface of a sliding block of the servo tool magazine body is provided with a rotating disc through a servo motor, the periphery of the rotating disc is evenly provided with a plurality of tool supporting pieces, and the sliding block is in sliding fit with the sliding rail. On one hand, installation of the servo tool magazine is achieved, and on the other hand, hiding of the servo tool magazine can be achieved, so that it is guaranteed that machining is not affected by the servo tool magazine, collision between the main shaft and the servo tool magazine is avoided, the machining range is guaranteed, and safety during working is improved.

The utility model discloses an electric spark machine tool A shaft head structure which comprises a support and a chuck rotationally installed on the support, three clamping jaws are movably installed at the head end of the chuck, a fluted disc is rotationally installed in the chuck, spiral teeth meshed with the clamping jaws are arranged on the head end face of the fluted disc, and the clamping jaws are connected with the fluted disc. The outer edge of the tail end of the fluted disc is connected with three gears in a meshed mode, the gears are rotationally connected with a chuck through adjusting shafts, a connecting cylinder is arranged at the tail end of the chuck, a worm wheel disc is fixed outside the connecting cylinder, the lower portion of the worm wheel disc is connected with a worm in a meshed mode, and a main motor for driving the worm to rotate is installed outside the support. The hollow chuck is arranged, the long-rod-shaped workpiece can penetrate through the middle of the interior of the chuck when clamped, the chuck can not only clamp one end of the long-rod-shaped workpiece any more, and the long-rod-shaped workpiece can be clamped and fixed at any position of the long-rod-shaped workpiece, so that the length of the long-rod-shaped workpiece extending out of the head end of the chuck is reduced; and therefore, the problem that the long-rod-shaped workpiece vibrates and shakes during rotation can be solved.

Provided is an electrical discharge machining method for machining a mold (30) used for molding an integrally molded article of a metal member and a resin molded body that contains a resin, the electrical discharge machining method comprising: a first step for selecting, as an electrical discharge machining electrode of a die-sinking electrical discharge machine, at least a portion of a metal member (10) having the same material and the same shape as the aforementioned metal member; and a second step for implementing die-sinking electrical discharge machining on a prescribed region of the mold (30) so as to follow the shape of the electrical discharge machining electrode using the electrical discharge machine. This makes it possible to reduce processing time and manufacturing cost in a step until the shape of the mold (30) is formed, and makes it possible to achieve excellent shape matching between the metal member (10A) and the mold (30) during molding of an integrally molded article (90).

The utility model relates to the technical field of electric discharge machines, and discloses an electric discharge machine machining stroke adjusting device which comprises an installation base, an installation groove is formed in one side of the installation base, one end of the installation base is in sliding fit with the installation groove, and a toothed plate is fixedly connected to the top of the installation base. The inner side of the mounting groove is provided with a positioning piece matched with the toothed plate to fix the mounting base, the top end of the toothed plate is slidably connected with a movable base, the movable base is provided with a transverse adjusting piece used for driving the movable base to horizontally move in the horizontal direction, a mounting arm is arranged above the movable base, and one end of the mounting arm is fixedly connected with a working electrode; and a vertical adjusting piece for adjusting the height of the mounting arm is arranged at the top of the movable seat. According to the utility model, the machining stroke of the electric spark machine can be freely adjusted in multiple directions, so that the machining universality of the electric spark machine is improved.

The innovative electric discharge machining method allows to produce particles of smaller size and to assist the material in floating within the dielectric fluid and reaching the machine filtering system more efficiently through an electrical discharge machining system (1000); machining comprises application of electricity to a workpiece (1040) through an electrode (1050) and generation of metal particles (1090) by micro-fusion of the workpiece (1040) due to electric sparks; the workpiece (1040) is made of metal; the electrode (1050) is at a distance from the workpiece (1040); the workpiece (1040) to be machined is immersed in a liquid (1080) contained in a tub (1010) during machining; the liquid (1080) is essentially made by a dielectric material. Graphene particles (1095) are added to the liquid (1080) before starting machining and the liquid (1080) is circulated outside the tub (1010) during machining so that agglomerates comprising graphene particles (1095) and metal particles (1090) are filtered out of the circulated liquid, and graphene particles (1095) are also supplemented to the liquid (1080) during machining.

The utility model discloses an auxiliary tool for electric discharge machining, which is combined on a machine head of an electric discharge machining machine for use, and comprises an adjusting frame, the adjusting frame comprises a first connecting arm, a first adjusting arm, a second adjusting arm and a second connecting arm, the first connecting arm is connected with the first adjusting arm, and the second connecting arm is connected with the second adjusting arm. The first adjusting arm is connected with the second adjusting arm, the second adjusting arm is connected with the second connecting arm, and the first adjusting arm can be locked at different height positions of the second adjusting arm; the adapter is arranged on the first connecting arm, and the adapter is connected with the machine head; and the electrode is arranged on the second connecting arm, and the electrode faces downwards. The machining height of electric discharge machining can be adjusted, the device is suitable for machining and forming of oil way holes, threaded holes and the like of machined parts within a certain height range, the machining efficiency can be improved, and the production cost can be reduced.

The present invention provides an apparatus for treating a substrate. The apparatus for treating a substrate may include: a process treatment unit that provides a treatment space in which the substrate is treated; and a plasma generation unit that is provided above the process treatment unit and generates plasma from a process gas. The plasma generation unit includes: a plasma chamber having an electric discharge space formed therein; a shield unit surrounding the exterior of the plasma chamber; an antenna which surrounds the shield unit from the outside of the shield unit and to which high-frequency power is applied; and a connecting unit electrically connecting the shield unit and the antenna.