101 results about "Electric spark" patented technology

The utility model discloses a high -speed spark -discharge wire cutting device with wire storage mechanism is provided in the electric spark wire cutting technical field, including the first wire storage cylinder and second wire storage cylinder of vertical setting in the wire storage box. The high -speed spark -discharge wire cutting device with wire storage mechanism, through the first wire storage cylinder and second wire storage cylinder of vertical arrangement, cooperate the sliding block of sliding setting, realize the conductive wire on the first wire storage cylinder after cutting section and set up to second wire storage cylinder, thereby realize single -layer wire storage, and the sum of the conductive wire length between first fixed pulley and first movable pulley and the conductive wire length between second fixed pulley and second movable pulley remain unchanged in the moving process of moving block, thereby realized the conductive wire moving stability, compared with existing device, avoided the problem that the wire speed changed when the electrode wire was arranged in the laminated arrangement on the wire cylinder, improved wire cutting stability.

The utility model discloses a numerical control electric spark discharge processing machine, include: electric spark processing machine tool is provided with the bottom plate in, the bottom plate bottom is provided with the second electric push rod, and the lifting end of second electric push rod is provided with the connecting plate, and the connecting plate surface is provided with the vertical board, and the vertical board side is provided with the first electric push rod, and the processing plate side is provided with the removal groove, and the removal groove is provided with the moving plate in, and the moving plate is provided with the lifting plate in, and the lifting plate surface is provided with the base, and the base side is provided with the clamping plate, beneficial effect is: first can through the first electric push rod to the clamping plate and push, thereby just can use two sets of clamping plate clamping effect to the workpiece positioning clamping, thereby the subsequent electric spark processing machine tool is convenient to the workpiece and processes, when processing ends, can start second electric push rod and make the connecting plate and go up, thereby just can make the processing plate and go up, thereby convenient subsequent to the workpiece after processing and take down.

The present invention provides a composite material with excellent conductivity and mechanical strength, an electrode for electrical discharge machining, and a method for manufacturing the composite material. [Solution] A composite material 1 comprising a matrix 2 made of tungsten and two or more particles 3 made of a good electrical conductive material present within the matrix 2, wherein the particles 3 are spaced apart from each other.

The application discloses a kind of electric spark cutting mechanism with error adjustment function and linear cutting machine tool, including column, beam, lower guide rod, upper guide rod, electrode wire, telescopic guide rod, two rotating shafts, two transmission lever bases, two cams, two electrode wire seats, two push rods and a transmission lever.The above electric spark cutting mechanism with error adjustment function can ensure that the position of electrode wire coincides with the theoretical cutting line when vertically processing workpiece, and can make the middle part of electrode wire translate a small distance while keeping the deflection angle unchanged when taper processing workpiece through two toggle assemblies, compensate the small parallel gap between the theoretical cutting line, make electrode wire accurately locate the position of theoretical cutting line, avoid the generation of cutting error, and improve the processing precision.

This invention discloses a method for measuring the maximum depth of continuous etch pits under uninterrupted single-pulse electrical discharge machining (EDM). The invention derives the maximum depth of etch pits when the EDM fluid is free of mixed powder and the workpiece is stationary by performing single-pulse etching trials on the workpiece. Then, by performing single-pulse etching trials on the workpiece with mixed powder in the EDM fluid and the workpiece stationary, the maximum depth of a single etch pit is derived when the EDM fluid contains mixed powder and the workpiece is moving. Finally, the maximum depth of all but the first etch pit in a plurality of consecutive etch pits is derived when the EDM fluid contains mixed powder and the workpiece is moving. This invention provides data for measuring the surface roughness of workpieces subjected to uninterrupted single-pulse etching under different discharge voltages, discharge currents, discharge times, or workpiece materials.

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).

This invention relates to the field of machine tool equipment technology, and more particularly to an electrical discharge machining (EDM) machine tool, comprising a base and a mounting frame. An electrode assembly is mounted on the mounting frame, and a support frame is located above the mounting frame. A support base is fixed to the top of the support frame. The support base has symmetrically distributed positioning posts on both sides, and each positioning post has a groove on its closest side. A clamping mechanism is located inside the groove. Symmetrically distributed guide cylinders pass through the support frame, and the guide cylinders are connected to a top support mechanism, which supports the positioning posts. This invention achieves fully automated positioning and clamping of cylindrical workpieces through the coordinated operation of the sliding mechanism, the top support mechanism, and the clamping mechanism. Manual centering and clamping are eliminated, and the workpiece is automatically centered and firmly clamped before moving to the electrode assembly's machining position, effectively preventing shaking and displacement during machining and improving the accuracy and stability of EDM.

The utility model relates to outdoor mobile power supply technical field discloses an outdoor energy storage equipment with prevent short circuit, including protection shell, the outside fixed connection of protection shell has clamping fixed establishment, the left and right sides fixed connection of protection shell has heat abstract mechanism, the clamping fixed establishment includes the fixed assembly for fixed, the outside fixed connection of fixed assembly is in the outside of protection shell, the outside fixed connection of fixed assembly has the connecting fixed post, the outside fixed connection of connecting fixed post has the connecting rotary lever, the outside fixed connection of connecting rotary lever has the connecting fixed block, the outside of connecting fixed block is far from the one end fixed connection of connecting rotary lever and has the connecting support block. In the utility model, realize the automation fixed through the mechanical linkage, effectively reduce the short circuit risk, and the firm clamping force ensures the close connection in the charging process, reduces the electric spark generation.

The application discloses a kind of processing technology of power two guide inner machine cabinet front section welding assembly, belong to aerospace parts processing technical field.Aiming at the problem that assembly rigidity is poor, processing is easy to deform, and it is difficult to guarantee precision size, the process realizes precision control by optimizing route, improving clamping, configuring special tooling and relaxing unnecessary tolerance.Process route is: 0 is matched→10 vacuum brazing→15 bench grinder→20 numerical control machine processing→30 bench work→40 numerical control machine processing→42 numerical control machine finishing→50 numerical control milling processing→60 bench work→70 electric spark grinding→80 ultrasonic cleaning→85 numerical control machine processing→90 bench work→100 inspection→110 electric arc ion plating→120 inspection→130 cleaning→140 packaging.15, 42, 85 new process, optimize the clamping mode of each core process, configure fixed cover plate and special gauge, reasonably adjust tolerance range, and the qualified rate of part processing can be effectively improved.

This invention relates to a nitrogen generator with a mining cooling mechanism, belonging to the field of nitrogen generator technology. It includes an air compressor, a buffer tank, an adsorption tower, a nitrogen process tank, and a nitrogen storage tank. The nitrogen storage tank has a tank structure with upper and lower inner walls. A cooler is installed on the rear side of the nitrogen storage tank. A connecting main pipe is fixedly installed on the lower side of the nitrogen storage tank surface. A connecting branch pipe is fixedly installed at the end of the connecting main pipe away from the nitrogen storage tank. Several outlet components are provided on the side of the connecting branch pipe away from the nitrogen storage tank. The outlet components include a combined pipe fixedly installed on one side of the connecting branch pipe surface. This invention uses a purely mechanical linkage structure to automatically adjust the nitrogen supply to different locations in the mine, eliminating the need for electrical control components and traditional sensors. This fundamentally avoids the generation of electrical sparks, significantly improving underground explosion-proof safety and making it more suitable for the high-risk working environment of coal mines.

This invention discloses a diaphragm gas meter and system based on wireless power transmission, relating to the field of gas metering equipment technology. It includes a gas meter body with a built-in power receiving module and an external power supply device connected externally. Furthermore, a wireless power supply system for the diaphragm gas meter is deployed internally within the gas meter body. This invention completely eliminates the need for traditional batteries, eliminating the need for regular battery replacements, significantly reducing maintenance costs and manpower. It is particularly suitable for locations with concealed or inaccessible installations, improving the convenience of gas meter use. The invention employs a double insulation structure: an insulating outer shell and insulating isolation layer for the external power supply device, and an insulating isolation layer for the built-in power receiving module. This ensures safe isolation between the internal circuitry of the gas meter and the external power source, effectively preventing safety hazards such as electrical sparks. It meets the usage requirements of industrial sites with strict explosion-proof requirements, ensuring the safety of personnel and equipment.

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.

The utility model discloses an easily assembled anti-explosion cable reel, the anti-explosion cable reel carries out modular design to internal anti-explosion protection electrical component, integrates protection switch in an independent anti-explosion inner bag assembly, can carry out preassembly and test before loading into cable reel body, only needs to put the preassembled whole anti-explosion inner bag assembly from the installation mouth into the accommodation cavity, then through the inner bag flange, one -time fixed to the push hand frame and cable reel body, can greatly reduce the part quantity and complexity of on -line assembly, reduces assembly difficulty and work hour, is favorable to scale production, and moreover seals the component that the electric spark is most likely to produce in the anti -explosion inner bag cavity formed by anti -explosion inner bag assembly completely, makes protection switch action executing mechanism and external environment isolated, significantly promotes the safety level in the flammable and explosive environment, can control the on -off electricity of whole cable reel safely through handle switch outside, satisfies anti -explosion requirement, and also satisfies the operation convenience requirement.

This invention belongs to the field of flamethrower technology, and specifically relates to a pneumatic and manual portable oil mixing tank. This invention is a device for the mixing, maturation, and storage of flamethrower oil. The flamethrower oil used in the flamethrower is mixed according to its components before use. The device consists of a tank body, a manual stirring device, a pneumatic device, and a lid. To avoid collisions and friction that could generate electric sparks and cause safety accidents, the structural parts of the mixing tank are made of aluminum alloy and copper alloy, while rotating parts are made of stainless steel. This ensures strength and adaptability to harsh environments while minimizing weight. This pneumatic and manual portable oil mixing tank is safe to use and operates, avoiding collisions and friction that could generate electric sparks and cause safety accidents. It is lightweight, easy to carry, and its operating height is ergonomically designed, saving time and effort during operation.

This invention belongs to the field of metal surface grinding, and relates to an explosion-proof grinding device and its application. The explosion-proof grinding device of this invention achieves high-speed manual movement of the grinding disc through the cooperation of a rocker arm and gear set, causing relative friction between the grinding disc and the workpiece surface to achieve the grinding effect. Manual drive avoids the electrical sparks that may be caused by electric machinery. By forming a sealed explosion-proof space and installing a fire extinguisher to maintain the environment within the space in real time, the overflow of sparks from the grinding surface can be effectively eliminated, providing a reliable explosion-proof effect. The use of a copper casing further reduces the possibility of frictional sparks from moving parts. Moreover, the entire device is compact and small in size, allowing for handheld use and portability. During use, the device can be pressed onto the workpiece with the right hand while the left hand cranks the drive mechanism, making operation simple. Based on the design materials, the total weight of the device is estimated to be no more than 5kg; additional handles and shoulder straps can be added to further improve portability.

The present invention provides an electrical discharge machining (EDM) pulse power supply and machining method based on a three-level Cuk circuit, comprising: a three-level Cuk main power circuit, a DC voltage source, an FPGA control circuit, and a drive circuit. The three-level Cuk main power circuit is used to connect the EDM gap to achieve discharge machining. The DC voltage source outputs an adjustable DC voltage to power the three-level Cuk main power circuit. The FPGA control circuit generates a PWM signal that enters the drive circuit. The drive circuit processes the PWM signal to generate a drive signal to control the on / off state of the switching transistors in the three-level Cuk main power circuit. This invention effectively increases the switching frequency of the system, significantly reduces voltage and current ripple, and lowers the selection requirements for switching transistors, filter inductors, and output filter capacitors. Simultaneously, it can meet the requirements of high and low voltage composite output for EDM pulse power supplies, efficiently and reliably fulfilling the requirements for EDM pulse power supplies.

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.

This invention belongs to the field of electrical discharge machining (EDM) technology and discloses an EDM method and apparatus. The EDM method provided by this invention includes the following steps: dividing the workpiece into multiple interconnected processing areas, and disassembling the EDM electrode into multiple independent electrode modules, with each electrode module corresponding to one of the processing areas; each electrode module processes its corresponding processing area; the multiple electrode modules sequentially process their respective processing areas until the processing of each processing area is completed. The EDM method provided by this invention, by having multiple electrode modules sequentially process their corresponding processing areas, reduces the discharge area of ​​each electrode module during processing, avoids large instantaneous fluid negative pressure generated when each electrode module is lifted, ensures sufficient penetration and wetting of the processing area by the working fluid during processing, avoids damage to the workpiece, and guarantees processing quality.

An electrical discharge machine includes an electrode configured to machine a conductive workpiece by application of repetitive electric charges therefrom, and a controller operatively coupled to the electrode and configured to control application of the repetitive electric charges. The EDM also includes an ultrasonic sensor operatively coupled to the electrode and operatively coupled to the controller. The controller also determines a depth of the electrode in the conductive workpiece based on data from the ultrasonic sensor.

The present application relates to the technical field of material surface treatment, and particularly relates to a process for improving ion nitriding efficiency of a mold, comprising the following steps: firstly, an original aluminum alloy extrusion mold is processed into a standard sample by adopting electric spark wire cutting technology; then, the sample is subjected to solid solution aging treatment, and after mechanical polishing, surface degreasing treatment is performed by using an acetone solution and a drying process is completed; the present application has the beneficial effect that pulse plasma explosion treatment increases the roughness and specific surface area of the material surface; in addition, pulse plasma action causes significant plastic deformation of the material, promotes the generation of surface nanocrystalline grains and the formation of internal defects such as dislocation cells, dislocation walls, twins and the like, which enhances the activity and surface free energy of the material, so that more nitrogen atoms can be adsorbed, and the adsorption effect forms a high nitrogen concentration on the material surface, which is beneficial to the formation of nitrides.

This invention discloses a precision ventilation device and method for cleaning the interior of tank trucks, belonging to the field of industrial safety and environmental protection technology. It aims to solve the technical problems of dead zones, low efficiency, and high safety risks associated with manual operation in traditional methods for ventilation of the area behind the baffle plate inside tank trucks. The device includes a vertical extension section, a rotating section, a horizontal extension section, and a ventilation operation section. The horizontal extension section includes a scissor mechanism that can extend deep into the tank, with the intake and exhaust pipes fixed thereon. The method involves a coordinated action of vertical downward positioning, horizontal rotation alignment, and scissor extension to drive the pipeline directly through the baffle plate holes to reach the deepest part of the tank for gas replacement. This invention achieves efficient ventilation without dead zones inside the tank; it is entirely pneumatically driven, eliminating electrical sparks and ensuring inherent safety; and the device is foldable, adaptable to different tank truck sizes, and highly versatile.

The application discloses a processing method of a compressor slit type processing casing suitable for small space test, which comprises the following steps: 1) processing a metal blank into a metal casing; 2) processing micro grooves on the inner wall surface of the metal casing; 3) mold manufacturing: the mold is matched with the slit size of the preset slit type processing casing, and the number of the mold is the same as the number of the slit of the preset slit type processing casing; 4) embedding the multiple molds into the multiple micro grooves of the metal casing respectively; 5) smearing resin material on the inner wall surface of the metal casing until the smearing thickness is greater than the height of the mold, and the resin material is adhered to the inner wall surface of the metal casing after being solidified for 24 hours, so as to form a resin casing; 6) processing the inner wall surface of the resin casing into an inner profile surface for preset test, and the mold is turned to be flush with the inner profile surface; and 7) adopting electric spark to burn the mold, and the test piece is processed. The application realizes the processing of the compressor processing casing suitable for small space test.

This invention belongs to the field of wire electrical discharge machining (EDM) technology, and relates to an EDM wire cutting machine tool for metal forming. It includes a machine bed, on which a dual-axis drive module is mounted. The dual-axis drive module is mounted on a support frame, and a clamping frame is fixedly connected within the support frame. An L-shaped frame is slidably connected to the machine bed, and a guide frame is fixedly connected within the support frame. A molybdenum wire is arranged on the machine bed, the L-shaped frame, and the guide frame. A sliding frame is slidably connected to the L-shaped frame and has a first push rod mounted on it. A linearly distributed first locking block is slidably connected to the sliding frame. The support frame has linearly distributed second push rods, and a second locking block is fixedly connected to the telescopic end of the second push rod. This invention ensures the smooth operation of the wire cutting process by providing timely support to the cut slit in the workpiece during the wire cutting process using the first and second locking blocks, maintaining the slit width, ensuring the stability of the molybdenum wire's movement space, and thus guaranteeing the smooth operation of the wire cutting process.

This application discloses a method, device, electronic device, and storage medium for identifying plate damage. By introducing a sinusoidal voltage-modulated optical carrier signal as the transmission medium for magnetic field characteristics, the "electrical sensing" of traditional electrical probes is completely transformed into "optical sensing" of all optical fibers. This makes the front-end detection circuit in high-risk sites such as natural gas pipelines completely passive, eliminating the physical mechanisms of electric sparks, short circuits, or electrostatic discharge caused by current and voltage at the physical level, and achieving inherent safety at the physical level.

The application discloses a kind of adaptive mixed powder auxiliary electric spark machining system and method, including executing electric spark machining, and the processing subsystem of composite processing liquid injection into processing gap;According to the need of working condition, different particle size of mixed powder is selected, and composite processing liquid is formed by mixing with processing liquid clear liquid according to preset ratio;Mixed powder and working liquid clear liquid in waste liquid are separated, and recycling is recycled to the filtering subsystem of mixed powder subsystem;Mixed powder subsystem includes double-drive stirring mechanism, centrifugal force is generated by mechanical stirring, and the rotational flow stirring is formed by centrifugal force driving and pump liquid driving cooperation, rotational flow stirring and mechanical stirring cooperate, form the space circulation stirring flow along the axis of mechanical stirring shaft.The application cooperates with adaptive liquid supplement and adaptive double-drive stirring, enhances uniformity while effectively shortening non-uniform window period, to solve the contradiction between continuous processing production and mixed powder uniformity maintenance.

The present application relates to the technical field of explosion-proof electrical appliances, in particular to a sealed electrode and its application. The sealed electrode comprises a sealed cavity, an electrode contact 1 and an electrode contact 2, the electrode contact 1 and the electrode contact 2 are located in the sealed cavity, and the electrode contact 1 and the electrode contact 2 are relatively moved in the sealed cavity to form a closed circuit or an open circuit. The beneficial effect is that the electric spark generated when the electrode contacts are connected or disconnected in the electrical device is isolated, and the explosion-proof effect is achieved. The second beneficial effect of the present application is that the arc of the electrode is extinguished in the sealed cavity. The third beneficial effect of the present application is that the oil injection in the flexible sealed cavity forms an oil-immersed sealed electrode for high-voltage power switches.

This invention relates to a micro-pulsating burner for gaseous fuels, comprising a micro-burner, an air intake pipe, a gas intake pipe, an electric spark hexagonal nut, and an outer electrode for the electric spark. The micro-burner consists of a front cover, a cylindrical combustion chamber, and a tailpipe. Gaseous fuel is introduced into the combustion chamber through the gas intake pipe and, under electric spark ignition, mixes and burns with air introduced through the air intake pipe. The resulting high-temperature, high-pressure gas is ejected from the tailpipe. The micro-pulsating burner of this invention offers advantages such as stable combustion position, complete combustion, reliable pulsed combustion, fast combustion speed, short combustion time, high intensity, low heat loss, and high thermal efficiency, making it promising for application in micro-energy systems.

The present invention relates to a heat transfer expansion plate processing and extraction system, and more specifically, by removing and extracting a heat transfer expansion plate installed inside the piping of the Reactor Coolant System (RCS) on the primary side of a nuclear power plant, the heat transfer expansion plate can be removed by remotely operating an electrical discharge machining (EDM) device and a gripper device installed on the equipment after installing equipment inside the reactor; by processing the heat transfer expansion plate remotely in a high-radiation zone, radiation exposure to workers can be reduced; by precisely processing the heat transfer expansion plate using an EDM device, damage inside the reactor can be prevented; by processing cutting grooves and cutting holes using an EDM device, processing time can be shortened and foreign materials generated during cutting can be minimized; by processing a gripper hole inside the heat transfer expansion plate and inserting a gripper, the heat transfer expansion plate can be stably grasped and pulled; and by processing the position of the gripper hole in the heat transfer expansion plate at a desired location, It has the effect of being able to adjust the gripper shape and overall size of the extraction device.

The utility model relates to a kind of explosion-proof field's flameproof radar equipment, including radar probe, and: base, in fixed position setting;Loading part, with the base movable connection, the radar probe encapsulation is in loading part;Force part, it is set in the loading part, and between the base keeps suction force cooperation.The utility model is through the movable connection between loading part and base, again cooperation suction force mode, so that loading part can be active, to drive radar probe to be active, to realize the adjustment of angle of orientation, and this adjustment mode compared with prior art, no electric spark is generated in outside, so it is safer.