55results about "Electrical-based machining electrodes" patented technology

The present application relates to the technical field of slow wire cutting machining equipment, and particularly relates to a slow wire cutting machining device for wire cutting electrical discharge machining. The slow wire cutting machining device for wire cutting electrical discharge machining comprises a support, a wire guide mechanism and a tension adjusting mechanism. The wire guide mechanism is arranged on the support and is used for conveying an electrode wire. The tension adjusting mechanism is arranged on the support. The tension adjusting mechanism comprises a plurality of smooth guide wheels, the plurality of smooth guide wheels are connected through a tension belt drive, a magnetic powder controller, an output end of the magnetic powder controller is connected with one of the smooth guide wheels, the electrode wire is clamped between the tension belt and one of the smooth guide wheels, the magnetic powder controller controls the braking torque acting on the smooth guide wheel by adjusting the excitation current, and the braking torque acts on the electrode wire through the tension belt to generate controllable tension. The slow wire cutting machining device for wire cutting electrical discharge machining realizes accurate and controllable adjustment of the electrode wire tension, and improves the stability and precision of the cutting machining.

The utility model relates to fast wire -electrode discharge wire cutting machine tool technical field, and disclose a kind of adjustable wire rack of fast wire -electrode discharge wire cutting machine tool, including support frame, the back of the support frame is fixedly connected with angle adjusting mechanism, the surface of the support frame is fixedly connected with four support blocks, and the surface of one of the support blocks is fixedly connected with motor box.The adjustable wire rack of fast wire -electrode discharge wire cutting machine tool, by the setting of angle adjusting mechanism, when using, according to actual demand, the hydraulic rod of support frame back can be started, the hydraulic rod telescopic and drive end rotating connection's fixed joint and the support frame installed on fixed joint side carry out angle adjustment, and then make the electrode wire installed on the surface of support frame carry out angle adjustment, to realize the effect of multiple angle cutting to workpiece, and operator can flexibly adjust the angle of electrode wire according to actual demand, effectively improve the efficiency of workpiece processing.

This invention relates to the field of wire electrical discharge machining (EDM), and more particularly to a wire feeding control device and method for slow-speed wire EDM. The control device includes a frame, a wire guide mechanism, a tension wheel, a brake, and a controller. The wire guide mechanism is used to feed the electrode wire; the tension wheel is located downstream of the wire guide mechanism; the brake acts on the tension wheel; and the controller is connected to the wire guide mechanism, the tension wheel, and the brake. The electrode wire is sequentially wound around the wire guide mechanism and the tension wheel. The brake is used to adjust the resistance torque of the tension wheel, which acts on the electrode wire to adjust the tension of the electrode wire in real time. This invention achieves tension control in slow-speed wire EDM by changing the magnitude of the resistance torque of the tension wheel through the brake, thereby improving the machining accuracy of slow-speed wire EDM. This is of great significance for improving the manufacturing quality of precision parts, increasing production efficiency, and reducing production costs.

The application provides a new type of lead wire guide wheel mechanism of a multi-wire cutting machine, which comprises a first connecting plate and a second connecting plate, the four corners of the first connecting plate and the second connecting plate are fixedly connected through connecting rods, first lead wire guide wheels are rotatably connected between the lower parts of the first connecting plate and the second connecting plate on the left and right sides, rectangular openings are formed in the upper parts of the first connecting plate and the second connecting plate on the left and right sides, connecting blocks are connected in the rectangular openings and can be displaced up and down, and second lead wire guide wheels are rotatably connected to the middle parts of the connecting blocks. The structure provided in the application can drive the displacement block to displace leftwards to lift the triangular blocks by starting the lead screw mechanism, the second lead wire guide wheels are driven to displace upwards by the limiting shafts, the overlapped cutting wires are expanded outward to tighten the cutting wires, the displacement block cannot be displaced even if the transmission motor of the lead screw mechanism is damaged, and the stability of the positioning of the whole mechanism is improved.

The present application relates to the technical field of wire cutting, and discloses a slow-speed wire cutting machine tool, which comprises a base, a box arranged on the top of the base, a back plate arranged on the top of the box, side plates arranged on the back plate in a symmetrical manner, a mounting plate arranged on the top of the box, and a baffle slidably connected to the side plates, wherein the side plates are provided with lifting mechanisms one, the lifting mechanisms one are used for lifting the baffle, the back plate is provided with lifting mechanisms two, and the lifting mechanisms two are provided with collecting portions; in the wire cutting process, the generated waste will fall into the collecting portions under the action of gravity; at the same time, the formed carbonized deposits will also fall into the collecting portions to complete the collection. The waste and the carbonized deposits can be avoided from being accumulated in the machine tool, and the influence on the normal operation of the equipment is reduced. The waste, the carbonized deposits and the like generated in the machining process can be centrally cleaned, the cleaning time is greatly saved, the labor intensity of the operator is reduced, and then the working efficiency and the service life of the machine tool are improved.

A fulcrum position calculation method according to the present invention is used to calculate a fulcrum position of a wire electrode (18) of a wire electric discharge machining machine (10) and includes: acquiring a relative position from a storage unit (32) in which is stored the relative position between a fulcrum position corresponding to a first angle, which is the angle of inclination of the wire electrode (18), and a fulcrum position corresponding to each of a plurality of angles differing from the first angle; inclining the wire electrode (18) to the first angle; measuring the fulcrum position corresponding to the first angle; and calculating the fulcrum position corresponding to each angle on the basis of the relative position and the measured fulcrum position corresponding to the first angle.

The utility model provides high accuracy's linear cutting machine relates to linear cutting machine technical field, including cutting machine main part, and the cutting machine main part is equipped with worktop inside, two first lead screws are rotationally connected with the cutting machine main part inner wall, and the one end of two first lead screws all is fixed with first driven gear, and the surface of first driven gear is engaged with first driving gear, and first driving gear rotates through first motor drive, and first motor is fixed in the cutting machine main part top, and the movable support plate is screw -threaded connection with two first lead screws, and the inner wall rotationally connected with two second lead screws of movable support plate, and the one end of two second lead screws all is fixed with second driven gear, and the surface of second driven gear is engaged with second driving gear, and second driving gear rotates through second motor drive, and second motor is fixed in movable support plate top, and the movable plate is screw -threaded connection with two second lead screw surfaces, and the fixed base is fixed in movable plate bottom, and the cutting seat body is equipped with cutting seat body in fixed base bottom.

An electrode wire for low-speed electrical discharge machining is provided, The electrode wire comprises: a core material; an intermediate layer located externally to the core material; and a surface layer located externally to the intermediate layer; wherein the material of the core material is a metal or an alloy, and the material of the intermediate layer is a copper-zinc alloy, the material of the surface layer contains carbon element; and the content of the carbon element of the surface of the electrode wire is 0.2wt%-60wt%. The electrode wire provided in this invention exhibits excellent surface conductivity, enabling it to maintain a high cutting speed over extended periods while ensuring high machining accuracy. Additionally, its preparation process is simple and straightforward.

This utility model relates to a guide nozzle device that is easy to replace. A positioning seat is provided at the upper end of the mounting base, and a guide nozzle body is housed within the positioning seat. The guide nozzle body is fixedly installed within the positioning seat. A positioning component is used to accurately position the positioning seat within the mounting base. The positioning seat and the mounting base are locked together by a locking component. At least two sets of locking components are provided to securely lock the positioning seat and the mounting base. The locking component includes a positioning sleeve and a locking device. The positioning sleeve is fixedly installed on the mounting base, and the locking device passes through the positioning seat, inserts into the positioning sleeve, and is rotated to fix it. This utility model, through the positioning component and locking component, allows for quick replacement of the guide nozzle body, improving replacement efficiency and ensuring installation accuracy.

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 embodiment of the application provides a kind of automatic threading wire cutting's wire clamping device, including clamping piece, pressing mechanism and separation mechanism;Clamping piece is installed in the outer side wall of winding drum and has with the outer side wall of winding drum closely pressed and is pressed state and is separated a distance from the outer side wall of winding drum separation state;Pressing mechanism is used to apply the force of making clamping piece close to the outer side wall of winding drum, separation mechanism is used to apply the force of making clamping piece away from the outer side wall of winding drum, clamping piece can be automatically switched between pressed state and separation state under the action of pressing mechanism and separation mechanism, to avoid the collision or extrusion of threading device and clamping piece, reduce the wear and tear of threading device and clamping piece;At the same time, the outer side wall of winding drum is only provided with clamping piece this one component, can effectively reduce the eccentricity of automatic wire clamping device.

A substrate processing apparatus and a substrate processing method capable of efficiently etching a noble metal film on a substrate are provided. A substrate processing apparatus of one embodiment of the present disclosure includes a substrate rotating portion, a processing liquid supplying portion, an anode and a cathode, and a control portion. The substrate rotating portion holds a substrate and rotates the substrate. The processing liquid supplying portion supplies a processing liquid to the substrate held by the substrate rotating portion. The anode and the cathode apply a voltage to the processing liquid supplied from the processing liquid supplying portion. The control portion controls each portion. In addition, the control portion performs control so that the anode and the cathode are independently in contact with the processing liquid, and the processing liquid in contact with the anode and the processing liquid in contact with the cathode are supplied to the substrate in a phase-separated state at the time of rotation of the substrate.

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.

Method for producing a coated electrode wire for use in electrical discharge machining, comprising: Providing a central wire having a first diameter and formed from a first copper-containing metal, Hot-dip coating of the central wire for a desired time and at a desired temperature through a melt bath containing a second metal having an evaporation temperature lower than that of the first metal, wherein an alloy layer is formed on the central wire by means of a diffusion reaction between the first metal and the second metal, which has greater hardness and lower elongation than the first metal and the second metal, and wherein a coating layer is formed on the alloy layer, and Drawing the central wire, which has the alloy layer and the coating layer, so that a coated electrode wire with a second diameter is formed, whereby cracks are formed during the drawing step due to the high hardness and low elongation in the alloy layer and in the coating layer, characterized in that the resulting alloy layer and the resulting coating layer are porous with a sponge-like structure.

The utility model relates to wire cutting machine tool technical field discloses a guide mechanism of middle wire electric spark wire cutting machine tool, including fixed block, the bottom fixed connection of fixed block has the sliding rod, the surface sliding connection of sliding rod bottom has the moving block, the inside rotationally connected of moving block and fixed block has the rotation sleeve, the inside of rotation sleeve has and inserts the fixed sleeve, the inside sliding connection of fixed sleeve has telescopic component, the bottom fixed connection of fixed block has two groups of stabilizer, two groups stabilizer and the bottom of sliding rod are all screw -threaded connection and have adjustment assembly, telescopic component includes the telescopic link of sliding connection in the inside of fixed sleeve. The guide mechanism of middle wire electric spark wire cutting machine tool, reach the effect of convenient disassembly and assembly guide wheel through the setting of telescopic component, avoid guide wheel wear and tear serious time, reduce the downtime of equipment maintenance, improved the convenience of guide mechanism.

The present application belongs to the technical field of electric spark machining, especially to a dynamic compensation device for a numerical control wire cutting electric spark machining machine, comprising a rack, an upper beam plate, a lower beam plate, a side plate, a wire tensioner and a rolling wire tube, the wire tensioner comprising a fixed wheel, a moving wheel and an electric push rod, and the molybdenum wire sequentially passes through a guide wheel, an upper guide wheel, a lower guide wheel, the fixed wheel, the moving wheel and the rolling wire tube; additionally, the present application adds a pressure sensor, a displacement sensor and a controller on the basis of the mechanical structure to constitute a closed-loop control system, adopts a fuzzy PID algorithm to adjust the electric push rod to drive the moving wheel to move in real time, and realizes dynamic compensation of the electrode wire tension; further, the feedforward compensation module is used to suppress the tension peak caused by the acceleration and deceleration of the rolling wire tube, and the adaptive learning module is used to automatically optimize the optimal tension setting value under different working conditions by using a neural network. The present application can effectively solve the problems of large electrode wire tension fluctuation and easy wire breakage, and significantly improve the machining stability and machining quality.

This invention provides a coated electrode wire and its preparation method, comprising: (1) surface-treating a brass busbar, then hot-dip galvanizing it, followed by sizing using a die and removal from the hot-dip galvanizing solution; (2) subjecting the hot-dip galvanized wire to online diffusion treatment; and (3) stretching and annealing the diffusion-treated wire to obtain the coated electrode wire. This invention uses hot-dip galvanizing instead of electroplating, avoiding the use of cyanide and making production more environmentally friendly. This invention can achieve stable galvanizing of both fine and coarse-gauge busbars and obtain a thicker diffusion alloy layer. Furthermore, this invention can precisely control the coating thickness after hot-dip galvanizing, reduce oxidation in the hot-dip galvanizing solution, and enable multi-wire parallel production of electrode wires. The resulting coated electrode wire has an ideal thickness ratio of β' phase or β'+γ phase copper-zinc alloy diffusion layer to zinc layer, exhibiting excellent electrical discharge machining performance.

The application discloses a kind of three-electrode system ultra-precision electrolytic machining device and processing method, it is related to electrolytic machining technical field, electrolytic machining device includes: cathode body, workpiece, tool electrode and fixture.Cathode body is used to connect power supply negative pole;Workpiece is used to connect power supply positive pole;Tool electrode is set between cathode body and workpiece, first electrolyte passage is equipped between cathode body and the upper portion of tool electrode, and both are connected by first insulation connecting block to keep the relative position of cathode body and tool electrode, and the lower portion of tool electrode is used to be oppositely arranged with workpiece to carry out electrolytic machining;Wherein, first electrolyte passage is used to make electrolyte flow between cathode body and the upper portion of tool electrode, so that intermediate potential between cathode body potential and workpiece potential is induced on tool electrode, and fixture is used to fix workpiece and form processing area.The application can improve electrolytic machining precision and stability.

A wire electrode for wirecut electrical discharge machining (WEDM) having a carbonaceous surface layer is disclosed. The wire electrode can include a core material, an outermost carbonization layer, and a phase transition layer between the core material and the carbonization layer.

This utility model discloses a rapid wire unwinding device for wire EDM, relating to the technical field of rapid wire unwinding tools. The utility model includes a moving frame and a winding roller. The moving frame includes a moving base, with columns fixed to the top of both ends. A rotating sleeve is fixed to the top of one column, and a C-shaped base is fixed to the top of the other column. The top and bottom edges of the open side of the C-shaped base have through-holes. An insert rod is movably connected to the through-hole on the open side of the C-shaped base, with a pull head at the top of the insert rod. The pull head is movably positioned on the top of the C-shaped base. A first shaft end is fixed to one end of the winding roller, and a handle is fixed to the outer end of the first shaft end. This utility model, through the design of the winding roller, can smoothly and stably wind the molybdenum wire in the wire EDM spool, ensuring rapid and stable wire unwinding after wire breakage, improving unwinding efficiency. Simultaneously, no manual pulling is required during the unwinding process, reducing the risk of cuts, improving safety, reducing wire unwinding and replacement time, and ensuring the production efficiency of the wire EDM equipment.

A flexible braided electrode and a method for electrochemical polishing of complex internal channels, belonging to the field of electrolytic processing, wherein the flexible braided electrode is formed by braiding a plurality of flexible conductive wires and a plurality of flexible insulating wires at predetermined intervals, and the diameter of the insulating wires is larger than the diameter of the conductive wires, and a step of a certain height is naturally formed between them, which can avoid short-circuit burnout due to contact between the conductive metal filament and the internal channel, and at the same time can enhance mass transfer and accelerate the discharge of products, the flexible braided electrode has a hollow mesh cylindrical structure, which can achieve combined cleaning of the inside and outside and improve the cleaning effect, during polishing the flexible braided electrode can adaptively bend and deform to conform to the curved internal channel, and by utilizing its in-and-out-out penetration characteristics, it can perform combined cleaning of the inside and outside, and by combining this with the rotation and reciprocating motion of the electrode, it can achieve electrochemical polishing of complex internal channels, and the flexible braided electrode provided by this application, when combined with an innovative method, can achieve highly efficient and high-quality finishing of complex internal channels.

A kind of pull wire clamp mechanism with taper lead-in and chain includes left end gear set mounting seat, right end gear set mounting seat, chain device and slidable pull wire clamp device;Left end gear set is installed in left end gear set mounting seat;Right end gear set is installed in right end gear set mounting seat;Driven chain is installed on left end gear set and right end gear set;Chain drive motor includes rotating shaft;Driving gear is installed fixed on rotating shaft;Driving chain is installed on left end gear set and driving gear;Sliding base plate is installed on slide bar;Driven chain is installed fixed to sliding base plate;Wire clamping fixed block is installed fixed on sliding base plate;Taper wire guide block is installed fixed on wire clamping fixed block, wire hole is opened in taper wire guide block, and inclined wire face is opened around wire hole.The utility model is simple to operate, accurate and rapid threading, improves work efficiency, and long service life of dirty-resistant machine can adapt to all application occasions.

This invention discloses a tension arm calibration device for an NTC wire EDM machine, comprising a telescopic component and a testing component. One end of the telescopic component is fixed to one of the tension arms of the NTC wire EDM machine, and the other end is fixed to a limit stop corresponding to the tension arm. The testing component includes a test diamond wire and a weight. The test diamond wire sequentially passes over a guide wheel corresponding to the tension arm, a guide wheel at the top of the tension arm, and a tension sensor guide wheel corresponding to the tension arm. The lower end of the test diamond wire is suspended from the weight. During the shortening process, the telescopic component pulls the tension arm to rotate toward the limit stop, so that the tension arm is in a vertical state under the balance of the telescopic component and the testing component. Even if the tension arm is in an inclined state, it can be adjusted to a vertical state by extending or shortening the telescopic component, thereby ensuring that the tension of the test diamond wire at the guide wheel on the tension arm and the weight of the weight are equal in the numerical state, improving the accuracy of calibration.

Methods and systems of electrochemical machining are provided. The method can include applying a first electrical potential to a tool electrode of an electrochemical machining system to generate a primary electric field. The electrochemical machining system can include a workpiece opposite the tool electrode, at least one bias electrode, and at least one fluid delivery channel within the at least one bias electrode. The method can also include applying at least one second electrical potential to the at least one bias electrode. The method can also include delivering a charged electrolyte solution through the at least one fluid delivery channel into the electrolyte solution. The application of the at least one second electrical potential and the delivery of the charged electrolyte solution generates at least one secondary electric field adjacent to the primary electric field and quenches at least one location of the primary electric field.

An electrolyte solution for electrochemical processing is provided. The electrolyte solution comprises a substantially anhydrous ionic solvent, an ionizable material in the form of an inorganic salt, and a viscosity modifier. The electrolyte has a viscosity in the range of 1 mPa·s to 50 mPa·s at 20 °C.

This electrode wire (2) for electrolytic corrosion processing is - A metal core (10) having a circumferential surface, wherein this metal core is made of a single copper-zinc alloy, - A layer of zinc oxide (12) is formed directly on the circumferential surface of the metal core and covers the circumferential surface. The zinc oxide layer (12) has an average thickness of 100 nm to 461 nm.

An apparatus includes one wire electrode wound multiple times around a plurality of guide rollers to form a parallel wire part in which a plurality of wire cutting parts are arranged in parallel, a discharge waveform control device that controls an interpolar voltage waveform based on a discharge waveform command, and a wire running control device that controls running of the wire electrode based on a wire electrode running command. Further, there is a cutting stage drive device that controls a relative position between the parallel wire part and the workpiece based on a stage command, a machining state acquisition section that acquires a cutting part electrical characteristic or electrode state information as machining state information, and a machining control device that determines the wire electrode running command, the discharge waveform command, and the stage command based on the machining state information.

The application discloses a gear set metal cutting processing device and belongs to the technical field of gear processing. The device comprises a machine base, a sliding table located at the end of the machine base, a wire cutting main machine installed on the top of the sliding table, and wire racks symmetrically installed on the side of the wire cutting main machine. The sealing cover is tightly attached to the top of the gear blank through the attaching mechanism, a relatively sealed environment is formed in the processing area, and the diversion and diffusion of the working liquid are avoided. In combination with the water pump and the negative pressure fan on the side of the circulating filter bin, the working liquid is directionally transported into the sealing cover through the drain pipe on the one hand, and the directional guiding airflow is formed in the wire pipe by the negative pressure fan on the other hand. The penetration speed of the working liquid along the cutting route to the narrow processing gap is forcedly accelerated, and the working liquid precisely covers the discharge core area. The design can not only quickly remove the metal scraps generated by the electric erosion, solve the secondary discharge problem caused by the retention of the scraps in the gap, but also efficiently guide the heat in the discharge area, so that the electrode wire is prevented from being burnt out due to local high temperature.

An electrolytic machining apparatus and method for the entire mold surface of a shrouded wing by in-situ deformation of an integrated cathode, belonging to the field of electrolytic machining, wherein the wing ventral / wing dorsal cathode body in the apparatus is composed of a cathode base, shroud edge plate cathode, wing body cathode, dovetail edge plate cathode, shroud side watertight block, dovetail side watertight block, and upper end watertight block, and during machining, the drive device and deformation mechanism cause both side edge plate cathodes to be initially retracted inward, and as the wing body mold surface is machined and the wing body mold surface is machined to a predetermined depth, both side edge plate cathodes generate an outward expansion movement, thereby machining the wing body mold surface and simultaneously causing the both side edge plate cathodes to generate in-situ oscillating deformation that approaches the edge plate mold surfaces on both sides of the wing, thereby achieving synchronous electrolytic machining of the wing body and both side edge plate entire mold surfaces of the shrouded wing, and the apparatus can improve machining efficiency, machining accuracy, and surface quality, and has a relatively good prospect for practical application.