216results about "Machining electrodes" patented technology

The invention provides a flexible nodular electrode and an electrochemical mechanical composite finishing method for an inner channel, and belongs to the technical field of electrochemical mechanical composite machining. The flexible nodular electrode comprises a plurality of similar nodular units, and each nodular unit comprises an electrode conductive substrate, a universal joint, a porous insulating layer and insulating soft abrasive particles. The adjacent nodal units are hinged through the universal joints, and good flexibility is achieved. The insulating layer on the surface of the conductive substrate of the electrode is made of loose and porous sponge, and an electric field line and electrolyte can penetrate through the insulating layer, so that an electrochemical effect is generated between the conductive substrate and the complex inner channel, and meanwhile, short-circuit burn caused by contact between the conductive substrate and the surface of the complex inner channel can be avoided; the insulating soft abrasive particles are embedded outside the insulating layer, so that a mechanical scraping effect can be applied to a complex inner channel in the machining process, and a passive film generated on the surface of a workpiece is ground away. During polishing, the electrode reciprocates, and complex inner channel polishing is completed under the composite action of electrochemical and mechanical scraping.

The present invention relates to an electrolytic processing device and method for a dual-channel component with multi-cathode coordinated feeding, and belongs to the field of electrolytic processing. The electrolytic processing device includes a multi-cathode coordinated feeding drive mechanism, a cathode module and a fixture module; wherein the cathode module includes a profile cathode, an inner and outer channel cathode, and the fixture module includes a blade basin clamp body, a blade back clamp body, and a workpiece clamp body. The present invention adopts a multi-cathode coordinated feeding drive mechanism to drive the cathode module, so that the profile cathode moves along the set feeding direction, and the inner and outer channel cathodes slide and feed along the side of the profile cathode. This movement mode can realize the joint processing of the inner and outer channels and blade profiles of the dual-channel component, thereby improving the forming accuracy and efficiency. The multi-cathode coordinated feeding drive mechanism is composed of a longitudinal guide rod, a transverse slider, a longitudinal slider, an angle adjustment double rod, etc. By adjusting the initial position of each slider and the mechanism angle, the single-side channel cathode is independently controlled to realize the independent processing of the inner and outer channels, ensure the channel forming accuracy, and have strong processing adaptability.

The present invention relates to a method and device for electrolytic machining with self - controllable deformation of a shape memory alloy electrode, belonging to the technical field of electrolytic machining. This method uses a shape memory alloy as the electrode material and the initial part profile line as the electrode shape. Through heat treatment, the electrode corresponds to different part profile line shapes at different temperatures. During electrolytic machining, the electrode is connected to a floating fixture, and the temperature of the electrolyte is regulated by the equipment to cause corresponding deformation at different positions. After the machining is completed, using the shape memory effect of the material, the electrode is heated to restore its shape. This method can not only achieve the machining of variable cross - sections but also reuse the electrode.

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 invention discloses a precise electrolytic machining method for a herringbone groove microstructure of an air floatation kinematic pair, which comprises the following steps: machining a workpiece by adopting a profiling cathode with a convex structure complementary with a target herringbone groove on the surface, and connecting the workpiece with an anode assembly; the convex structure is a processing area, and an insulating coating is arranged on the surface of a non-processing area except the convex structure; the processing pulse of the power supply system is started at the liquid supply closing stage of the electrolyte system, and the processing pulse of the power supply system is stopped and the electrolyte is updated at the liquid supply opening stage of the electrolyte system. High-precision, low-cost and high-efficiency machining of the herringbone groove microstructure is achieved through profiling cathode shaping, group pulse precise etching and intermittent liquid supply and deslagging, and the problems of stray corrosion control, groove depth gradual change uniformity and batch consistency in electrolytic machining are solved.

The invention discloses a side-flow type electrolytic machining device and method for sealing a casing cavity, an electrolytic machining machine tool comprises a machine tool rotary table and a machine tool spindle, the electrolytic machining device comprises a clamping assembly, a clamping assembly, a clamping assembly and a clamping assembly, the clamping assembly is used for clamping a casing workpiece and fixing the casing workpiece to the machine tool rotary table, and the machine tool rotary table is connected with the positive electrode of a power source; the cathode assembly is connected with the machine tool spindle and arranged on one side of the cartridge receiver in the radial direction of the cartridge receiver so as to form a machining gap with the outer surface of the cartridge receiver, and the machine tool spindle is connected with the negative electrode of the power source; the sealing assembly comprises a sealing sleeve and a pressing mechanism, the sealing sleeve is provided with an inner cavity, a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are located on the two sides of the sealing assembly respectively and communicate with the inner cavity, and the sealing assembly is arranged on the cathode assembly in a sleeving mode so that the machining end of the cathode assembly can be located in the inner cavity; the pressing mechanism is used for enabling the sealing assembly to be pressed and sealed on the outer surface of the casing so as to seal the inner cavity, and the liquid inlet is used for introducing electrolyte to flow through the machining gap and be discharged through the liquid outlet.

The present invention relates to a closed - type blade - ring screwed - in cascade - channel electrochemical machining device and method, belonging to the field of electrochemical machining. The device mainly includes a support disk, a workpiece, an insulating gasket disk, a tailstock, a cathode rod, a cathode head, etc. During machining, the cathode remains fixed, and the workpiece rotates and feeds along an arc - shaped trajectory in the axial direction of the blade, gradually machining the cascade channel into shape. A group - slit structure is arranged on the cathode head to ensure sufficient supply of electrolyte to the machining area. A reverse - flow groove is arranged on the insulating gasket disk, so that when the cascade channel is about to be machined through, the electrolyte will not disperse, but under the action of the reverse - flow groove, it will be flushed back to the machining area, preventing liquid shortage and ensuring machining stability.

The present invention belongs to the technical field of electrochemical machining, and particularly relates to a design method for the cathode profile of an all-metal oil screw drill stator by electrochemical machining. The contour curve of the cathode profile is designed into a dot matrix according to unequal gaps, so as to obtain the control points, order and knot vector of the contour curve, construct operators, and use integral spline operators to control the global shape of the contour curve to achieve rough fitting of the cathode contour; when the square curvature of the cathode contour curve is the smallest relative to the integral of its arc length, the curvature of the curve is the most uniform. A fitting index for the cathode contour curve is constructed, and the discrete curvature at each point of the cathode contour curve is calculated in turn to achieve precise fitting of the cathode contour curve, and the error can be controlled within the accuracy range of 0.002 mm; the "B-τ" spline inner contour integration method is used to design the cathode profile of the all-metal oil screw drill stator. The present invention has the advantages of short cathode design cycle, high forming accuracy, and significantly reduced cathode manufacturing cost.

The invention discloses a flow field self-sealing type blade array trepanning electrolytic machining device and method, an elastic self-sealing assembly is adopted between a cathode assembly and an anode assembly, in a self-sealing type flow field, when the cathode assembly is fed, an array cathode machines a plurality of blades at a time at the same time, and the machining efficiency is improved. The elastic self-sealing assembly is tightly pressed on the clamp while the cathode assembly is fed, a closed flow field is formed, it is guaranteed that electrolyte of each blade is sufficient through the liquid inlet channels distributed in an array mode, and the electrolyte flows through each blade machining area and finally flows out through the liquid outlet channel in the center of the base. The problems that during multi-blade machining, the flow field is poor, liquid lacking is prone to occurring, and obvious flow lines often appear on the surfaces of parts are solved.

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 relates to a multi-cathode machining method for electrolytic machining of a shrouded leaf disc, and belongs to the technical field of electrolytic machining. The device mainly comprises a tool disc, a tool cathode, a mounting seat, a liquid inlet and outlet device, a liquid sealing plate and the like. The tool cathodes are arranged on the tool disc in a circular array mode, and the liquid inlet pipe corresponding to each tool cathode is connected to the other side of the tool disc and used for providing electrolyte. A backflow gap is designed between every two tool cathodes, so that the stability of a flow field is improved. The upper side of the backflow seam is connected with a liquid outlet device, and a liquid outlet is connected with a back pressure valve to adjust a flow field and improve controllability of the flow field. Liquid sealing plates are designed on inner and outer rings of the tool cathode to ensure that a processing flow field is uniform and stable. During machining, electrolyte passes through the tool disc and the hollow inner cavities of the tool cathodes from the liquid inlet device to reach the machining surface, the tool disc drives all the tool cathodes to rotate around the Z axis while feeding in the negative direction of the Z axis, rotary feeding of the cathodes is achieved, and the machining efficiency is improved.

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.

This electrolytic marking device 100 includes: a feed-out part 1; an electrolytic marking part 2 that is disposed downstream of the feed-out part 1 and marks an identification mark 60 on a metal sheet material 50; and a take-up part 3 that is disposed downstream of the electrolytic marking part 2 and takes up the metal sheet material 50 marked with the identification mark 60 in the shape of a roll.

According to the double-cathode and double-liquid-supply diffuser blade nesting electrolysis device and the machining method, double-channel liquid supply is adopted, liquid is supplied to the whole molded surface of a blade through a main channel, meanwhile, liquid is supplied to the blade basin direction and the blade back direction of the blade through an auxiliary channel, the flow of a machining area is greatly increased, a low-speed area is reduced, product discharging is facilitated, and the machining efficiency is improved. The processing stability is improved. Besides, double cathodes are adopted, when the main cathode corrodes the blade surface, the auxiliary cathode is used for removing the allowance distributed in the blade basin direction and the blade back direction at the same time, short circuit caused by the fact that the wedge block is clamped between the cathodes and a workpiece after root breaking is prevented, machining stability is improved, and machining efficiency is improved. The problem that the processing stability is poor due to short-circuit burn of the diffuser in the trepanning electrolysis process is solved.

A revolving cathode tool and method for co-rotating electrochemical machining of an inner wall of an aero-engine casing are provided, and relates to the technical field of electrochemical machining. The co-rotating electrochemical machining revolving cathode tool comprises a power supply, a cathode shaft, an anode workpiece and a flexible cathode assembly. The cathode shaft is electrically connected with a cathode of the power supply. The anode workpiece is electrically connected with an anode of the power supply. One end of the cathode shaft is connected with the flexible cathode assembly. The problem that a non-array complex structure of the inner wall of the aero-engine casing cannot be machined through counter-rotating electrochemical machining is fundamentally solved. The diameter of the cathode tool is 1 / n of the diameter of the anode workpiece.

The invention relates to the technical field of electrochemical machining and manufacturing, in particular to a device for electrochemically removing edge burrs in batches. The problems that in the prior art, various complex parts cannot be machined at the same time, the cathode installation efficiency is low, and a flow field is unstable and uneven are solved. According to the technical scheme, the device comprises a flow guide device, a flow guide fixing plate, an air pressure adjusting device and a cathode and anode conductive device; three stages of communicated flow guide cavities are formed in the flow guide device from bottom to top, a flow guide fixing plate is arranged above the flow guide device, and a workpiece and the flow guide device are fixed through the flow guide fixing plate; air pressure adjusting devices with the same number as the workpieces are uniformly distributed above the flow guide fixing plate along the circumference; a cathode assembly is arranged above the air pressure adjusting device, an anode conductive device is arranged between the air pressure adjusting device and the cathode assembly, the number of anode conductive columns on the anode conductive device is the same as that of workpieces, and the anode conductive columns correspondingly penetrate through the cathode assembly and holes in the corresponding air pressure adjusting device to be connected with the workpieces.

The present invention belongs to the technical field of electrolytic machining, and specifically relates to a large-caliber complex spiral wire electrolytic machining cathode with replaceable working teeth. The present invention includes a front guide, a cathode body and a rear guide. The original integral cathode body is changed into a split structure, and the cathode working teeth are fixedly connected to the cathode body; a connector plus a protective sleeve structure is provided at one end connected to the pull rod, and the cathode body and the connector can be replaced in case of failure. A cavity is provided between the cathode connector and the front guide, and an inclined hole for liquid outlet is provided on the front guide to increase the pressure of the electrolyte. The present invention can realize the engineering application of electrolytic machining technology for large-caliber complex spiral wire parts such as gun barrel rifling, special-shaped spiral splines, and oil drilling all-metal screw drill tools, which can effectively shorten the cathode development cycle and reduce costs.

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.

The invention discloses a follow-up type external flushing liquid rotary printing electrolytic machining device and method for sheet parts, and relates to the field of electrolytic machining. Comprising a tool clamp system, a liquid outlet system, an anode workpiece, a cathode tool and a direct-current power source, the anode workpiece and the cathode tool are connected to a machine tool workbench through the tool clamp system, and the cathode tool can synchronously rotate and linearly move along with a machine tool spindle; the liquid outlet system and the machine tool spindle keep consistent linear motion, and electrolyte is sprayed between the anode workpiece and the cathode tool; the anode of the direct-current power supply is connected with the anode workpiece, and the cathode is connected with the cathode tool; the cathode tool is of a revolving body circular ring structure, and a window for insulation treatment is formed in the side wall of the cathode tool. According to the follow-up external liquid flushing rotary printing electrolytic machining method for the thin plate parts, the thinning of the anode workpiece and one-time efficient machining of the surface characteristics are completed by using a follow-up external liquid flushing mode of the cathode tool and the liquid outlet system of the circular ring-shaped rotary body through the specific movement mode of the cathode tool and the anode workpiece.

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 relates to the technical field of electrolytic machining, in particular to an electrolysis tube electrode, an electrolysis device and an electrolysis method.The electrolysis tube electrode comprises an inner-layer tube and an outer-layer tube, the inner-layer tube is provided with a first liquid inlet and outlet and a second liquid inlet and outlet, the second liquid inlet and outlet is located in the end face of the inner-layer tube, the inner-layer tube is sleeved with the outer-layer tube, and the outer-layer tube is connected with the inner-layer tube; the outer-layer pipe is provided with a third liquid inlet and outlet and a fourth liquid inlet and outlet, and the fourth liquid inlet and outlet is located in the circumferential face of the outer-layer pipe. By arranging the double-layer pipe, when electrolyte enters the pipe electrode from the inner-layer pipe and flows to a workpiece, the electrolyte on the workpiece is discharged through the outer-layer pipe; after electrolyte enters the pipe electrode from the outer-layer pipe and flows to a workpiece, the electrolyte on the workpiece is discharged through the inner-layer pipe, electrolytic milling can be directly carried out after electrolytic drilling, and operation is easy and convenient; and meanwhile, the product removal efficiency can be improved during electrolytic drilling and electrolytic milling, and a stray corrosion area on the surface of a workpiece is reduced.

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.

A downhole tool, for removing sections of metal tubing, said downhole tool comprising at least one conductive element being arranged to corrode a section of metal tubing using an electrolytic process, said conductive element being made of electric conductive material, an apparatus to establish a connection to the metal tubing, and a source of electrical power.

The invention discloses a partitioned electrolytic machining device and a machining method for a micro-groove structure on the surface of a large metal component, relates to the field of machining of the micro-groove structure on the surface of the large metal component, and aims to solve the problem that in the mask electrolytic machining process of the micro-groove of the large metal component, the machining path is too long; the electrolytic machining device comprises a workpiece, an insulating elastic layer, a hollow electrolytic pattern, a metal layer electrode, a power source and a switch. The to-be-machined face of the workpiece is covered with an insulating elastic layer, a hollowed-out electrolysis pattern is arranged on the insulating elastic layer, a plurality of metal layer electrodes are arranged on the insulating elastic layer, the metal layer electrodes are mutually insulated, an anode of the power source is connected with the workpiece, and the metal layer electrodes are sequentially connected with a cathode of the power source through a switch. The problems that in large-area workpiece mask electrolytic machining, electrolytic products block interelectrode gaps, and poor quality is caused are effectively solved, and the mask electrolytic machining method is used for mask electrolytic machining.

There is provided a processing system comprising a substrate (80); an array of fine needles (81-85) on the substrate; a holding member (12) that holds the substrate; an electrolyte tank (21) configured to receive an electrolyte; at least one electrode plate (22-26) is located in the electrolyte tank; an actuator module (30) configured to move the array of fine needles held on the holder relative to the electrolyte bath; the measurement module (40) is used for detecting the positions of the fine needles in the electrolyte and generating measurement data according to the detection result, and the movement of the fine needle array is controlled according to the measurement data; and a power supply module (60) configured to apply current to the electrode plate and the fine needle array. The processing system can achieve the purpose of mass and rapid production.

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.

The invention relates to a method machining a particularly planar component by means of electrochemical machining, wherein the component has internal stresses resulting particularly from preceding manufacturing steps. In a first step a) of the method, the component to be machined is provided. Subsequently, in step b), at least two tools are provided in the form of electrodes and, in step c), an electrolyte is provided between the component and the at least two electrodes. In step d), a positive voltage is applied to the component and a negative voltage is applied to the at least two electrodes. Thus, in step e), by moving the at least two electrodes along their respective movement paths with respect to the component, electrochemical machining can take place; in the process, the gap between each electrode and the component is flushed with the electrolyte at least intermittently.