199 results about "Electric discharge" patented technology

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 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 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 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.

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 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 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.

A battery case shaping apparatus and method shape a pouch-shaped battery case. The battery case shaping apparatus includes a conductive liquid and positive and negative electrodes each configured to generate electric discharge in the conductive liquid in order to prevent a laminate sheet for battery cases from being damaged by friction between a punch and a die and to allow the entirety of the laminate sheet to be elongated.

The utility model provides a lithium battery recovery volatilization furnace which comprises a furnace body, a feeding port is formed in the upper surface of the furnace body, a stirring mechanism is arranged in the furnace body, a discharging pipe is fixedly installed on the lower surface of the furnace body, an electric discharging valve is fixedly installed in the middle of the discharging pipe, a fixing plate is fixedly installed on the surface of one side of the furnace body, and the fixing plate is fixedly installed on the surface of the other side of the furnace body. And a waste gas purification mechanism is arranged on the fixing plate, and a cleaning mechanism is arranged at the top of the furnace body. The waste gas purification mechanism comprises a water tank, a waste gas pipe, a fixed cylinder and an activated carbon adsorption filter screen. Waste gas generated in the furnace body is introduced into the bottom of the water tank through the waste gas pipe, harmful substances in the waste gas are preliminarily purified in alkali liquor, then the waste gas passes through the activated carbon adsorption filter screen in the fixed cylinder, harmful gas can be further removed, and it is ensured that the discharged waste gas reaches the environmental protection standard; and harmful substances in the waste gas are prevented from being discharged into the environment without being fully purified and polluting the environment.

An electric spark machining coordinate collecting and executing method comprises the steps that S1, in a calculation environment with a three-dimensional geometric processing function, a first coordinate position where interference-free entering and a second coordinate position where machining is terminated are obtained; s2, mapping from the reference zero point to a physical processing zero point on an electric spark machine tool; s3, after the physical electrode is automatically replaced on the machine tool, the geometric deviation of the physical electrode is measured, and the deviation serves as a tool offset parameter to be written into a numerical control system; and S4, an electrode is controlled to execute electric discharge machining from the first coordinate position to the second coordinate position. According to the method, coordinates are obtained through simulation, the risk of motion interference of the electrode in a complex inner cavity is eliminated in advance, and the problem that visual tool setting cannot be achieved during blind hole machining is solved. A large amount of coordinate acquisition work is transferred to the computer end, the machine tool end only needs to execute automatic calibration and machining, the shutdown waiting time is remarkably shortened, and continuous automatic production is achieved.

The application discloses a kind of wire cut electrical discharge machining device, comprising: discharge module, discharge module carries out discharge according to a discharge parameter;Discharge gap processing module, discharge gap processing module carries out sampling to discharge gap voltage;Physical condition module, physical condition module generates physical digital code;FPGA processing module, FPGA processing module receives discharge gap voltage parameter and physical digital code;Host computer, host computer instructs FPGA processing module to discharge gap voltage parameter and physical digital code are operated, and generate constant feed signal, feed signal is fed back to host computer, host computer is according to feed signal instruction servo amplifier, servo amplifier drives workbench feed.Through detecting discharge state and preset physical condition, feedback to FPGA control system, produce constant speed feed, overcome the random disturbance of multiple uncertain factors in outside, to process the product with excellent performance.

The utility model provides a tensioning wire outlet device of a medium-speed wire cut electrical discharge machine, and belongs to the technical field of medium-speed wire cut electrical discharge machine.The tensioning wire outlet device comprises a base, a sliding seat and a charging barrel, the charging barrel is used for outputting molybdenum wires wound on the charging barrel through rotation and is arranged on the sliding seat, and a sliding mechanism is arranged between the sliding seat and the base; the sliding mechanism comprises a driving assembly, and a guide rail and a sliding block which are arranged between the first inclined surface and the second inclined surface; compared with a traditional medium-speed wire cut electric discharge machine which adopts a tension adjusting mechanism with a plurality of tensioning wheels, the wire outlet device with the tensioning function has the advantages that the number of the tensioning wheels can be reduced, the structure of the device and the steps of threading and winding molybdenum wires are simplified, and the production efficiency is improved. And meanwhile, the problems that the multiple tensioning wheels vibrate in the working process and the cleaning difficulty of the multiple tensioning wheels is large after long-term machining are solved.

A sensor device for monitoring dielectric strength of a dielectric fluid has a sensor body which supports a sensitive part (SGi), designed for contact with the dielectric fluid. The sensitive part (SGi) comprises at least one pair of electrodes (E1, E2) having respective surface portions arranged at a predefined micrometric or sub-micrometric distance, to define therebetween at least one detection gap between which part of the dielectric fluid is suitable to seep in. The sensor device has a circuit arrangement comprising: —means for generating an electric field between the two electrodes of the at least one pair of electrodes (E1, E2) starting from a known supply voltage, and—means (V) for measuring a voltage representative of possible occurrence of an electric discharge between the two electrodes of the at least one pair of electrodes (E1, E2) through the dielectric fluid (5) present in the at least one detection gap (G), following generation of the electric field.

The present invention provides a workpiece machining method for machining a workpiece by interposing electric discharge machining oil between a wire and the workpiece to perform electric discharge, wherein the kinematic viscosity of the electric discharge machining oil at 40°C is 0.70-5.0 mm2 / s, the diameter of the wire is 30-250 μm, the linear velocity of the wire during the machining is 11 m / minute or more, and the tension of the wire during the machining is 1-24 N.

This article is used for winding wires such as electric discharge cut wires.

A ballast water treatment apparatus including a ballast water transport line configured to transport a ballast water main stream, a plasma generation device configured to generate an activated gas from a feed gas; and a mixing device. The plasma generation device includes a feed gas inlet for a feed gas, a first electrode and a second electrode, for activating the feed gas by an electric discharge between the first electrode and the second electrode thereby generating the activated gas, a cooling fluid passage for cooling the plasma generation device, the cooling fluid passage having a cooling fluid inlet and a cooling fluid outlet, the cooling fluid passage being fed with a cooling fluid, and a combining section being configured to combine the activated gas with the cooling fluid from the cooling fluid outlet to generate an activated fluid product. The mixing device is configured to mix the activated fluid product and the ballast water main stream.

A fusion splicing device according to one embodiment fusion-splices a pair of optical fibers to each other by electric discharge. The fusion splicing device comprises: a discharge electrode for generating a discharge; a microscope for observing an optical fiber; an end face state analysis unit for analyzing the state of an end face of the optical fiber from an image of the optical fiber acquired by the microscope; an end face state determination unit for determining whether the state of the end face is a predetermined specific state; and a shaping discharge unit which, when the end face state determination unit determines that the state of the end face is the specific state, causes the discharge electrode to apply a shaping discharge to the end face to shape the end face.

The invention discloses a device and method for preventing secondary discharge of a side wall in electric spark deep hole machining, and relates to the technical field of electric spark machining.The device comprises an electric spark discharge machining structure and a resistance increasing particle release system.The electric spark discharge machining structure comprises an inner spraying type tool electrode, a hollow connecting section and a chuck; the resistance-increasing particle releasing system comprises a connecting seat, a switching system, an oil feeding valve and a resistance-increasing particle adding structure; the spark oil circulating system is used for realizing circulation of spark oil in the working box; the working box is internally provided with a back pressure system, the back pressure system comprises a back pressure plate, the back pressure plate is provided with an electrode via hole, and the two sides of the back pressure plate are provided with pre-tightening bolts. Tiny plastic particles are guided to be enriched in a processed hole wall area through the back pressure system, so that a high-resistance barrier is formed; discharge energy is concentrated at the bottom end of the electrode for normal corrosion removal, the machined precise side wall is prevented from being corroded again, and therefore the deep hole with the steep side wall and the extremely-small taper is machined.

The utility model provides a graphite electrode mechanism for deep curved surface machining, which relates to the technical field of graphite electrode machining equipment and comprises a quick clamping component, the quick clamping component is used for clamping a graphite electrode, and the graphite electrode is used for performing electric discharge machining on parts; the upper end of the connecting assembly is connected with the horizontal adjusting table, the upper end of the horizontal adjusting table is connected with the rotary adjusting table, and the upper end of the rotary adjusting table is connected with the machine tool. The device has the beneficial effects that the rotary adjusting table and the horizontal adjusting table are arranged, so that the circumference angle of the graphite electrode on an XY plane can be adjusted, and the angle of the graphite electrode on an XYZ space can be adjusted; according to the multi-angle fine adjustment graphite electrode, fine adjustment of multiple angles can be carried out when the graphite electrode carries out electric discharge machining on a product, so that more accurate positioning can be achieved when the product with a deep curved surface is machined, and the machining quality and the size precision of the product are guaranteed.

The opening machining apparatus for the heat transfer tube includes an electric discharge machining device inserted into the heat transfer tube and configured to form an opening in a tube wall of the heat transfer tube through an electric discharge machining, an electric discharge machining device driving device connected to the electric discharge machining device and configured to transport the electric discharge machining device, an electric discharge machining device driving device connected to the electric discharge machining device and configured to provide force for bringing the electric discharge machining device into contact with a tube wall surface of the heat transfer tube, and an electric discharge machining device rotation device configured to provide force for rotating the electric discharge machining device in a circumferential direction of the heat transfer tube in the heat transfer tube.

The present application relates to an electrode device for electric discharge machining and an electric discharge machining device. The electrode device for electric discharge machining comprises a planar substrate, a first electrode plate attached to one of two opposite sides of the planar substrate, the first plate shape having at least one edge, a first electrode provided on a radially outer side of the at least one edge facing the first electrode plate, the first electrode having a first electrode shape matching a shape of a first machining feature of a workpiece to be electric discharge machined, and a second electrode plate attached to the other of the two opposite sides of the planar substrate, the second plate shape having at least one edge, a second electrode provided on a radially outer side of the at least one edge facing the second electrode plate, the second electrode having a second electrode shape matching a shape of a second machining feature of the workpiece. The technical solution improves the electrode structure and allows simultaneous machining of multiple workpieces.

The application discloses an aluminum nitride-based composite ceramic carrier and a preparation method thereof, and belongs to the technical field of composite ceramic material preparation. The carrier is prepared from aluminum nitride as a base material, and a specific proportion of beta-Sialon precursor powder and Y2O3-ZrO2 composite sintering aids. The preparation method comprises the following steps: treating raw materials by adopting a high-speed and low-speed ball milling process, and then performing two-stage composite sintering of electric discharge plasma sintering and hot-press sintering in sequence. Through the synergistic design of the material formula and the process, the columnar beta-Sialon grain network and the metastable tetragonal phase ZrO2 generated in situ are utilized to construct a multi-stage toughening system while the super-high thermal conductivity of the aluminum nitride base is maintained, so that the material has high fracture toughness and excellent thermal shock resistance, and is especially suitable for an automobile exhaust treatment system with strict requirements on rapid ignition and long-term reliability.

The invention relates to an abnormal discharge current detection method and device for electric spark discharge machining, and is applied to the technical field of discharge machining. A direct current-direct current power supply module is adopted as a current detection core element, has a stable voltage output characteristic and is sensitive to current fluctuation response, and a traditional Hall sensor is replaced; the problem of high-precision detection of small current in a strong electromagnetic interference environment is successfully solved; on the basis of current rising edge characteristic differences of abnormal discharge and normal discharge, two key time points are selected for voltage comparison, abnormal states such as excessive arc, arc, short circuit and micro open circuit can be accurately distinguished, and missed judgment and misjudgment are avoided; a reference value lookup table corresponding to different peak currents is established through experimental calibration to adapt to various medium and finish machining parameter scenes; and the detection branch adopts the design of an isolation diode and a current-limiting resistor, and is matched with pulse-type intermittent measurement of a controlled switch tube, so that shunting interference on a main discharge loop is avoided, and the stability of the processing process is ensured.

In a closed impeller (1) made of an aluminum alloy, a plurality of blades (3) arranged in the circumferential direction connect a hub (2) and a shroud (4). First, electric discharge machining is performed on impeller material to form a plurality of flow passages (5) between the blades (3). Then, a surface of a flow passage that is the inner peripheral surface of each flow passage (5) in the impeller material is polished to remove a modified layer formed on the surface of the flow passage by the electric discharge machining, and then the surface of the flow passage is further polished.

The invention relates to apparatus and a method for use in creating a machining or polishing effect on a surface of an article located with respect to said apparatus, said apparatus including at least one electrode assembly including a base or plate and at least one deformable portion which is relatively moveable in response to contact being made with a surface of the said article so as to substantially take the shape profile impression of said surface of said article. This allows closer and contact across the said surface with the electrode assembly and hence allows improved granularity and quality of polishing or machining of said surface.