134results about "Machining electrodes" patented technology

This invention discloses a radial electrolytic machining apparatus and method for integral bladed disks with multi-channel variable cathodes, relating to the field of electrolytic machining technology. The apparatus includes a cathode tool, a guide assembly, and a transmission assembly. The cathode tool is slidably connected to the guide assembly along a feed trajectory, which has components along the radial direction of the bladed disk blank and circumferential components around the centerline of the cathode tool. The cathode tool is connected to the machine tool spindle via the transmission assembly, which converts the axial movement of the machine tool spindle into radial movement along the bladed disk blank. This invention also provides a method for radial electrolytic machining of integral bladed disks with multi-channel variable cathodes. The apparatus and method provided by this invention have a simple structure, stable operation, and high machining efficiency.

The application discloses a machine vision controlled block electrode self-adjusting electrolytic machining device and method, relates to the field of electrolytic machining, and electrolytic machining is divided into preforming electrolytic machining and block compensation electrolytic machining; the preforming electrolytic machining stage is a stage of electrolytic machining in which a whole forming tool cathode is used as a cathode to work on a workpiece at a constant feed speed, the stage is used for primarily copying and forming the workpiece, and then the block compensation electrolytic machining stage is started; the block compensation electrolytic machining stage is used for dividing the machining area into zones, capturing image information of electrolytic machining of the workpiece and block electrodes by machine vision, analyzing and processing the block zones, obtaining actual machining gaps of the block zones, comparing and calculating the actual machining gaps with corresponding target values, and then sending instructions to a movement execution system to control specified block electrodes to perform compensation electrolytic machining, so that machining errors caused by fluctuations in conductivity along the way are eliminated, and finally, electrolytic copying and forming machining with higher machining precision is realized in the long process of the distorted workpiece.

The invention discloses an adjustable multi-electrode electrolytic turning device and method.The adjustable multi-electrode electrolytic turning device comprises a rotary driving device, a multi-electrode device and a movable driving device, the multi-electrode device comprises an annular base, an adjusting device and a plurality of tool electrode tips, and the annular base is provided with a circumferential annular sliding groove and a radial linear sliding groove; the adjusting device comprises a disc rotating in the annular sliding groove, a first driving device driving the disc to rotate and a plurality of sliding blocks moving along the linear sliding groove, a spiral guide rail is arranged on the upper surface of the disc, teeth are arranged on the lower surfaces of the sliding blocks, the teeth on the lower surfaces of the sliding blocks are matched with the spiral guide rail, and when the disc rotates, the sliding blocks slide along the linear sliding groove. The sliding block is fixed to the tool electrode tip through the pressure sensor. Large-allowance removal of shaft part difficult-to-cut materials is achieved in a multi-electrode distribution mode, a driving device composed of an end face gear and a spiral guide rail is adopted, it is guaranteed that machining gaps between all electrodes and a workpiece are consistent, system errors are reduced through feedback of a pressure sensor, and the machining precision is high.

According to the combined type drilling electrolytic machining electrode and the electrode array provided by the invention, uniform distribution and effective washing of electrolyte in a machining area are realized by limiting parameters of a water outlet hole of an electrode tip and an insulating sleeve, optimizing the structural size of an electrode main body and a flow guide interface and combining layered machining and a dynamic parameter adjustment strategy; the accumulation phenomenon of electrolytic products is obviously reduced, and the machining precision and the surface quality are improved; the electrode array is matched with the independent control module and the multi-channel distributor, synchronous and efficient multi-hole machining is achieved, and the multi-hole synchronous machining device is suitable for high-precision batch production scenes and has the advantages of being reasonable in structure, flexible to control and wide in applicability.

The invention relates to an electrochemical machining device (12) for machining elongated workpieces (14), with at least two synchronously movable, vertical telescopic guides (26), with a base (38), which is arranged in the region of a lower end (36) of the telescopic guides (26) and has a lower holder (42) for at least one workpiece (14), and with an upper holder (58) for the at least one workpiece (14), which is vertically adjustable to allow the distance between the holders (42, 58) to be adjusted to the length of the at least one workpiece (14), and with an electrode holder (48), which is fastened to the telescopic guides (26) and can be moved relative to the upper holder (58) by the telescopic guides (26). The invention also relates to an installation (10).

A full-profile electrolytic machining device and method based on in-situ deformation of an integral cathode for a shrouded blade, which belong to the technical field of electrolytic machining. A blade basin / back cathode body in the device consists of a cathode base, a shroud platform cathode, a blade airfoil cathode, a tenon platform cathode, a shroud-side water blocking block, a tenon-side water blocking block and an upper-end water blocking block. During machining, by means of a driving device and a deformation mechanism, platform cathodes on two sides are enabled to be in an inwardly retracted state at the beginning, so as to machine a blade airfoil profile; and when the blade airfoil profile is machined to a certain depth, the platform cathodes on the two sides expand outwards, such that the platform cathodes on the two sides generate in-situ swinging deformation close to platform profiles on two sides of a blade while the blade airfoil profile is machined, thereby achieving synchronous full-profile electrolytic machining of a blade airfoil of a shrouded blade and platforms on two sides thereof. The device can improve the machining efficiency, machining precision and surface quality, and has relatively good practical application prospects.

The invention discloses a passive bipolar movable mask electrochemical machining device and method for a workpiece. The device comprises a power supply control system, an electrochemical machining system, a motion control system and an electrolyte circulating system, the electrochemical machining system is provided with a first electrochemical machining tank and a second electrochemical machining tank which are oppositely arranged, two electrodes are arranged in each electrochemical machining tank, and two movable masks are pressed and attached to the two faces of a workpiece to form a mask structure. The motion control system drives the two grooves to be closed or separated; the electrolyte circulating system forms flushing and sucking liquid circulation facing the surface of a workpiece through a flushing pipe and a liquid sucking pipe; the power supply control system intermittently switches the polarities of the two electrodes, so that charge distribution on the two sides of the workpiece is alternately changed, and passive bipolar electrochemical machining is realized; according to the method, photoresist is replaced by the movable mask, the process is simplified, the efficient liquid flushing and absorbing mode and the electrostatic induction machining mode are combined, the inter-electrode mass transfer and electric field uniformity are remarkably improved, and the machining efficiency, precision and depth-diameter ratio are improved.

To provide a technique capable of performing polishing while suppressing damage to a surface of a conductive semiconductor substrate.SOLUTION: Provided is a polishing pad used for polishing a surface to be polished of a conductive semiconductor substrate, the polishing pad having a film containing a solid polymer electrolyte on at least part of a polishing surface in contact with the surface to be polished.SELECTED DRAWING: Figure 3

The invention provides a method for designing a Reuleaux biangular tool and electrolytically machining a grid wallboard, and belongs to the technical field of electrolytic machining. In the process of electrolytic machining of a grid wall plate through a Reuleaux two-angle tool, the current density of the surface of a workpiece is in an intermittent state or a machining state, localized removal of materials is achieved, and the machining method comprises the following steps that according to the characteristics of a Reuleaux triangle fixed-width curve, the Reuleaux two-angle oval cathode tool is designed; the center of the tool is controlled to do regular eccentric rotation motion through planetary gear transmission, and the motion trail of the cathode tool forms a regular triangle localized electric field; a new intermittent electrolytic machining mode of the grid wall plate is formed along with the periodic turning-in / out of the machining area of the tool machining blade; the machining mode is beneficial to rapid and uniform crushing of a passivation film, and is suitable for precise machining of materials such as easily passivated titanium alloys and titanium-aluminum intermetallic compounds; electrolyte updating is facilitated, and temperature rise, bubbles and product aggregation are avoided; and the overcut phenomenon is avoided. By means of the method, high-quality electrolytic machining of the grid wall plate can be achieved.

The invention provides a device (10) for producing a profiling on an inner wall of a projectile-guiding tube (12) by means of electrochemical machining, comprising a holder (20) which is intended for a projectile-guiding tube (12) and has, at two opposite ends, opposing centring elements (22) with a receptacle (24) for the tube (12) to be machined, and comprising a rifling cathode (18), which can be moved through the tube (12) to be machined, wherein at least one centring element (22) is axially adjoined by a guide body (28) which is intended for the cathode (18) and has a central clearance (30) concentric with the receptacle (24), wherein the rifling cathode (18) is driven in such a way that it can be moved into the guide body (28). The invention also provides a method for producing a profiling on an inner wall of a projectile-guiding tube (12) by means of electrochemical machining.

An electrode wire for electrical discharge machining and a preparing method thereof. The electrode wire comprises: a core material (1); an intermediate layer (2) located externally to the core material (1); and a surface layer (3) located externally to the intermediate layer (2). Wherein, the material of the core material (1) is a metal or an alloy, and the material of the intermediate layer (2) is a copper-zinc alloy. The intermediate layer (2) has pits (20) on its surface, and the pit (20) has micro-pits (200) on its surface. The size of the micro-pit (200) is smaller than that of that of the pit (20) on which the micro-pit located. The surface layer (3) discontinuously covers the exterior of the intermediate layer (2) and fills the pits (20) and micro-pits (200). During the preparing process, the copper-zinc alloy is formed inside the electrode wire through electroplating, heat treatment, and drawing processes, while pits (20) and micro-pits (200) are formed on the surface of the intermediate layer (2) via extrusion.

The invention discloses a double-electrode high-precision synchronous rotation movement mechanism for rotary printing electrolytic machining, and relates to the technical field of electrolytic machining, the double-electrode high-precision synchronous rotation movement mechanism comprises an anode main shaft assembly, a cathode main shaft assembly and an electrolyte isolation assembly, comprising an inner and outer wall rotary printing electrolytic machining method and a'guiding-following 'control strategy of a main shaft; the main shaft assembly comprises a thrust centripetal cylindrical roller bearing, a deep groove ball bearing, a hollow stepped main shaft, a coupler, an absolute encoder, a direct drive motor and the like. The direct-drive motor is directly coupled to drive the main shaft, so that an intermediate transmission link is omitted, and mechanical errors are reduced; the spindle phase is fed back in real time based on an absolute encoder; a'guiding-following 'control strategy is adopted, high-precision synchronous contra-rotation of the cathode spindle and the anode spindle is achieved, reversing rotation can be achieved in the high-precision synchronization process, and the rotary printing electrolytic machining device is suitable for rotary printing electrolytic machining of the outer wall and the inner wall of a large thin-wall rotary body part.

The present invention discloses a sleeve-shaped electrolytic machining device with a liquid-increasing hole to enhance liquid supply, comprising a cathode head, a cathode seat assembly and a liquid supply assembly, wherein a first contoured hole and a plurality of liquid-increasing holes are provided on the cathode head, and the plurality of liquid-increasing holes are arranged around the first contoured hole; the cathode seat assembly defines a liquid supply channel that is opposite to and connected with the first contoured hole, and at least a portion of the liquid supply channel is a contoured structure corresponding to the first contoured hole, and the cathode seat assembly further defines a liquid-increasing channel that is opposite to and connected with the liquid-increasing hole; the liquid supply assembly is used to supply electrolyte to the liquid supply channel and the liquid-increasing channel. A multi-channel liquid supply method is adopted, and the design of the liquid-increasing hole supplements the liquid supply to the low-speed area of ​​the flow field in the processing area, thereby improving the uniformity and stability of the flow field and facilitating the high-speed sleeve electrolytic machining of parts. In addition, the main path and the liquid-increasing path are separated, and the main path and the liquid-increasing path can be adjusted separately, thereby improving the flexibility of adjusting the liquid supply pressure and further enhancing the improvement effect of the liquid supply on the flow field.

Methods and systems of electrochemically machining a component are provided. The method may include applying two or more potentials to a tool electrode comprising an array of two or more individual electrodes to generate two or more electric fields in between the tool electrode and a workpiece opposite of the tool electrode, wherein each of the two or more electric fields is generated by one of the array of two or more individual electrodes.

The present invention relates to a method for simulating the manufacturing of a component, in particular comprising at least one blade (8.1) and / or a blade carrier (8) of a gas turbine, by means of electrochemical machining, wherein the method comprises the step of: providing input parameters (S10; S10'), and the, in particular repeated, sequence of steps: calculating (S20; S20') an electrochemical machining operation based on the provided input parameters; and calculating (S30; S30') a component geometry based on this electrochemical machining operation. The invention further relates to a method for manufacturing a component by means of electrochemical machining, a method for manufacturing a cathode for this manufacturing of a component, a method for designing the manufacturing of the component, and a system or computer program (product).

The invention belongs to the field of electrolytic machining, and particularly relates to a wide-width jet flow electrolytic milling tool bit capable of discharging liquid in a stepped and graded mode. The tool bit comprises a tool bit body, an electrolysis power source, an electrolyte circulating system, a main liquid inlet channel, an upper liquid drainage channel and a lower liquid drainage channel. The electrolyte circulating system comprises a liquid supply centrifugal pump and a suction pump. In the milling machining process, electrolyte is pumped into the main liquid inlet channel through the liquid supply centrifugal pump, part of the electrolyte is pre-discharged through the upper liquid discharging channel, the remaining electrolyte flows to the machining gap in the bottom of the tool bit, then the lower liquid discharging channel is matched with the suction pump to suck the remaining electrolyte in a negative pressure mode, stepped flow field regulation and control are formed, and wide-width electrolytic milling is achieved. The structure is simple and compact, the utilization rate of the effective conductive area at the bottom of the tool bit is high, and stray corrosion can be remarkably inhibited. The machining method based on the tool bit is suitable for high-precision and high-surface-quality milling of high-temperature alloy and other difficult-to-machine metal large thin-wall components in the aerospace field.

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.

This invention belongs to the field of electrolytic machining technology and discloses an electrolytic machining tool electrode, including a first electrode, an upper base plate connected to the first electrode, a second electrode, and a lower base plate connected to the second electrode. The first and second electrodes have machining gaps with two surfaces of the workpiece, respectively. The first electrode has a first outlet, the upper base plate has a first inlet and a first outlet connected to the first outlet, and a first flow channel connecting the first inlet and the first outlet is formed within the upper base plate. The second electrode is rotatably connected to the first electrode and has a second outlet, the lower base plate has a second inlet and a second outlet connected to the second outlet, and a second flow channel connecting the second inlet and the second outlet is formed within the lower base plate. The opening angle of the first and second electrodes can be adjusted to fit the workpiece. Electrolyte is introduced into the first and second inlets and sprayed from the first and second outlets into the machining gaps, whereby the workpiece material is etched away, resulting in a frame beam with high precision and good surface quality.

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.

The invention discloses a multi-cathode electrolytic machining device and method for an integral component. The device core comprises a cathode fixing ring and a plurality of cathode assemblies used for machining blade channels, mortises, tooth grooves and the like. The cathode fixing ring is connected with a machine tool moving shaft, and all the cathode assemblies can be synchronously driven to conduct collaborative feeding. The outer side of each cathode in the cathode assembly is sequentially sleeved with a side wall insulation sleeve and a circumferential insulation sleeve to form effective insulation. During machining, electrolyte flows in from the upper end of the cathode in a multi-channel center liquid supply mode, enters a machining area from the lower end of the cathode, and finally flows out from side gaps among the cathode assembly, the upper sacrificial disc, the lower sacrificial disc and a workpiece blank. The adopted narrow-strip-shaped cathode blade effectively reduces the machining area and needed current of a single tooth groove, a mortise, a blade channel and the like, the requirement for power of a power source is lowered, and therefore one-time synchronous machining of dozens to hundreds of mortises, blade channels, tooth grooves and the like is supported. The machining efficiency of the whole component is remarkably improved, and the manufacturing cost is effectively reduced.

The utility model provides copper sculpture decorative picture equipment which comprises a supporting frame, a water tank is arranged on the supporting frame, a cross beam is arranged above the water tank and can move in the longitudinal direction of the water tank, a machine head mounting plate is arranged on the cross beam and can move in the transverse direction of the water tank, and the machine head mounting plate is arranged on the water tank. An electrode is mounted on the machine head mounting plate and can move in the height direction of the water tank. The equipment realizes automatic processing of decorative paintings in an electrolysis mode, and is high in efficiency and good in effect.

The present invention discloses a dual-cathode, dual-liquid-supply diffuser blade jacketing electrolysis device and processing method. The present invention utilizes dual-channel liquid supply: while the main channel supplies liquid to the entire blade surface, a secondary channel replenishes liquid toward the blade basin and back. This significantly increases the flow rate in the processing area, reduces low-speed areas, facilitates product discharge, and improves processing stability. Furthermore, the present invention utilizes dual cathodes: while the main cathode corrodes the blade surface, the secondary cathode simultaneously removes excess material distributed toward the blade basin and back, preventing wedge-shaped blocks from breaking and becoming stuck between the cathode and the workpiece, causing a short circuit. This improves processing stability and addresses the problem of poor processing stability caused by short-circuit burns during the diffuser jacketing electrolysis process.

An apparatus for forming a curved drill hole in a workpiece by electrochemical machining (ECM). The apparatus includes, an ECM drill head, a snake robot and an insulative material surrounding the snake robot. The ECM drill head is attached to a first end of the snake robot. The snake robot includes a movement control assembly adapted to control movement of the snake robot and the ECM drill head attached thereto. The snake robot also includes a plurality of conduits extending within and along a length of the snake robot, including a first conduit of the plurality of conduits adapted to deliver an electrolyte solution to the ECM drill head and a second conduit of the plurality of conduits adapted to remove debris from the ECM drill head.

The present invention discloses a spliced ​​variable-profile electrode, system, and method for electrochemical machining of bladed disks, relating to the field of electrochemical machining technology. The spliced ​​variable-profile electrode for electrochemical machining of bladed disks comprises: multiple tube electrode assemblies, each hingedly connected in sequence, each having an electrolyte channel, and each having a liquid inlet and outlet connected to the electrolyte channel. In operation, any two adjacent tube electrode assemblies can rotate relative to each other so that the overall profile of the multiple tube electrode assemblies matches the cross-sectional profile of the blade channel to be machined. The present invention can meet the machining requirements of fan disk blade channels with twisted and complex surfaces.

An electrode wire for electrical discharge machining and a preparing method thereof. The electrode wire comprises: a core material (1); an intermediate layer (2) located externally to the core material (1); and a surface layer (3) located externally to the intermediate layer (2). Wherein, the material of the core material (1) is a metal or an alloy, and the material of the intermediate layer (2) is a copper-zinc alloy. The intermediate layer (2) has pits (20) on its surface, and the pit (20) has micro-pits (200) on its surface. The size of the micro-pit (200) is smaller than that of that of the pit (20) on which the micro-pit located. The surface layer (3) discontinuously covers the exterior of the intermediate layer (2) and fills the pits (20) and micro-pits (200). During the preparing process, the copper-zinc alloy is formed inside the electrode wire through electroplating, heat treatment, and drawing processes, while pits (20) and micro-pits (200) are formed on the surface of the intermediate layer (2) via extrusion.

The invention relates to an electrochemical machining device for an array boss of an integral plate and a machining method of the electrochemical machining device. The electrolytic machining device comprises a rack, an electrolytic bath, a workpiece platform and a cathode. The cathode is of a double-layer tubular body structure and comprises an inner cavity and an outer cavity which are isolated from each other, the inner cavity and the outer cavity are communicated with the electrolyte supply tank through pipelines respectively, and electrolyte outlet holes corresponding to the inner cavity and the outer cavity respectively are formed in the bottom of the cathode. The electrolyte enters the inner cavity and the outer cavity and then flows out from the corresponding electrolyte outlet holes; an insulating layer is arranged on the inner wall of the electrolyte outlet hole, and a chamfer is machined at the bottom of the electrolyte outlet hole. The array boss of the whole plate is machined through a cathode forming method, the corrosion effect of current on the side wall of the boss is avoided through the electrolyte outlet holes arranged in an array mode, the insulating layers and the chamfering structures of the electrolyte outlets and the double-cavity structure of the cathode, and high-precision machining of the micro array boss small in taper and large in height can be achieved.

The invention relates to a tool (1) for machining a component (30) via electrochemical material removal, comprising a machining cathode (2) with a front side (2.1) for brniging towards a surface (30.1) of the component (30) to be machined, and comprising a protective electrode layer (20) arranged on a rear side (2.2) of the machining cathode (2) opposite the front side (2.1), with the protective electrode layer (20) being electrically insulated from the machining cathode (2).

The present invention discloses an auxiliary processing device and online detection method for rotary electrochemical machining, relating to the technical field of rotary electrochemical machining. The auxiliary processing device for rotary electrochemical machining comprises: a liquid supply assembly and a detection assembly, the liquid supply assembly being disposed at least at one end of a machining area; the liquid supply assembly being configured to supply electrolyte only to the machining area; and a detection assembly disposed on one side of the machined area of ​​an anode workpiece, configured to detect the profile of the machined surface of the anode workpiece and calculate the surface corrosion depth and real-time machining gap. The present invention enables real-time detection of machining status and quality, thereby improving the machining quality of thin-walled annular parts and advancing the maturity of this technology.

The application discloses a blisk electrolytic machining process and an electrolytic forming machining device, and relates to the technical field of electrolytic machining. The blisk electrolytic machining process comprises the following steps: electrolytic rough machining: machining blade blanks and blade row channels from an original blisk blank; electrolytic forming machining: using a cathode tool to uniformly and efficiently form a forming blank by machining the blade blanks after the rough machining; wherein the appearance of the cathode tool is designed according to the distribution of the excess amount of the surface of the blade blank to be machined; and electrolytic finishing machining: machining the forming blank into a blade with an accurate shape and profile. The application further provides an electrolytic forming machining device. The scheme provided by the application can improve the electrolytic machining efficiency and quality.

A flexible electrode, which is a hollow metal tube with a circular cross section or a rectangular cross section, wherein an equidistant group-slit structure arranged in an array is machined on the side wall of the hollow metal tube; and an electrolyte solution enters the tubular electrode through two ends thereof and flows out through the group-slit structure. A deformation control mechanism, which consists of electrode clamps (V-1), long link rods (V-4), guide rails (V-5), sliders (V-6), connecting seats (V-7) and right-angled link rods (V-8), and which has a plurality of rotation pairs and a translation pair (C). The overall structure of the deformation control mechanism is bilaterally symmetrical. The deformation control mechanism is mounted on a three-axis linkage machine tool. By means of the cooperation of the rotation pairs and the translation pair, the bending deformation of a flexible electrode is achieved. Further disclosed is the use of a flexible electrode and a deformation control mechanism in electrolytic machining. The flexible electrode has good flexibility, can deform and autonomously recover, and can be repeatedly used; in addition, the deformation control mechanism can achieve the bending of a flexible electrode with a large deformation amount.