138 results about "Electrochemical machining" patented technology

The present invention discloses a multi-stage blade disk multi-blade sleeve type electrolytic machining mechanism and method, belonging to the field of electrolytic machining. Connecting rods and cross bits are designed to convert the one-dimensional rotational motion of the main drive shaft into the feed motion of the multi-stage cathode, so as to realize the simultaneous electrolytic machining of multi-stage blades, improve the efficiency of electrolytic machining, and shorten the machining cycle of the overall component. Limiting rings and limiting blocks are designed to realize the centripetal feed motion of the cathode part of each level of tool. According to the characteristics of the blades, by adjusting the inner contour of the cathode, the inner contour of the insulating water jacket, the installation position of the mounting rod on the disc, the position and radial length of the radial limiting groove and other parameters, the simultaneous electrolytic machining of two-stage blades with different characteristics is realized.

The application discloses a blisk cascade deforming radial feeding electrolytic machining tool and relates to the technical field of electrolytic machining. The bottom base has a supporting function; the cathode connecting rod comprises a plurality of cathode blocks which are sequentially hinged; one of the cathode blocks is fixedly connected with the bottom base, and corresponding grooves or holes are arranged on each of the cathode blocks; the strip-shaped object has the ability of deforming and resisting deformation; and the strip-shaped object is arranged in all the grooves or holes. The blisk cascade deforming radial feeding electrolytic machining tool can realize the controllable deformation of the cathode blades on the cathode connecting rod in a spline curve, thereby adapting to the machining requirements of the shape of the twisted blade blisk cascade channel, and improving the machining precision. In addition, the application is suitable for the radial feeding electrolytic machining of the twisted blade blisk and can also be used for machining components with twisted channel structure characteristics, such as closed blade rings, and has universality.

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 application relates to a device and method for electrostatic induction and sound surface wave mask electrolytic machining, belonging to the electrolytic machining field. The pump, the liquid storage tank and the electrolytic tank are connected to realize electrolyte circulation. The various components in the electrolytic tank are riveted. The anode and cathode assemblies and the shielding induction electrode assembly are inserted into the electrolytic tank. The positive and negative poles of the power supply are connected with the anode and cathode plates in the anode and cathode assemblies respectively, and the workpiece arranged in the induction electrode assembly is arranged in the electric field between the anode and cathode plates. The piezoelectric ceramic is attached to the base plate of the induction electrode assembly, and the signal generator and the power amplifier are connected with the piezoelectric ceramic. Based on the device, the piezoelectric ceramic is connected with a megasonic driving voltage to generate a surface wave on the surface of the workpiece; the anode and cathode plates are connected with direct current, and the workpiece is arranged in the electric field formed by the anode and cathode plates, so that the surface to be machined of the workpiece is subjected to oxidation reaction, and the non-machining surface is subjected to reduction reaction, thereby realizing wireless induction machining of the workpiece. The application has the advantages of simple operation, re-distribution of the electric field, enhancement of mass transfer, improvement of mask electrolytic machining precision, arrangement of multiple workpieces in the electric field formed by the anode and cathode plates, and substantial improvement of mask electrolytic machining efficiency.

A near-atomic-scale electrolytic machining method based on an interface self-assembly biomask comprises the steps that firstly, hydroxylation pretreatment is conducted on the surface of an anode of a workpiece, then the surface of the anode is covered with an organic solvent phase containing phospholipid monomers, water-phase electrolyte drops are introduced, molecular self-assembly driving force at an oil-water-metal three-phase interface is utilized, and the surface of the anode of the workpiece is subjected to near-atomic-scale electrochemical machining. And rapidly forming a layer of ultrathin, continuous and stable support phospholipid bilayer mask on the surface of the workpiece in situ. Then, biological nanochannels are embedded in the biomimetic mask to construct a confinement ion transport path. And finally, a precise pulse electric field is applied, electrolyte ions are driven to be strictly limited in the nanometer channel and transmitted to the surface of the workpiece, local anodic dissolution is triggered, and therefore localized material removal of the nanometer scale or even the near-atomic scale is achieved. According to the method, the technical bottleneck that the high-quality phospholipid bilayer is difficult to prepare on the high-surface-energy metal surface is solved, and a new way is provided for ultra-precision electrolytic machining.

The utility model discloses an abrasive particle jet electrochemical small hole machining device for promoting horizontal vibration of a workpiece through megasonic. The abrasive particle jet electrochemical small hole machining device is mainly composed of a movable platform, a connecting plate, a machining head clamp, an electrochemical machining head, an anode workpiece, an anode supporting device, an electrolyte tank, a liquid supply system and a megasonic auxiliary system. The connecting plate is positioned below the movable platform and is in threaded connection with the movable platform; the processing head clamp is positioned below the connecting plate and is in threaded connection with the connecting plate; the electrochemical machining head is positioned below the machining head clamp and is in threaded connection with the machining head clamp; the electrolyte tank is located below the machining head, and the anode supporting device is bonded to the center of the electrolyte tank. An anode workpiece is clamped and fixed above the anode supporting device; the liquid supply system is positioned on the left of the anode support device; the megasonic auxiliary system is located on the right side of the anode supporting device. The utility model has the advantages that the processing quality and the processing efficiency can be effectively improved, and the operation is simple.

The present invention discloses a laser interference and electrolysis collaborative processing system and a high aspect ratio micro-nano hole processing method, comprising a laser, an interference optical path system and an electrochemical processing system; the laser is used to generate and output a laser beam of specific power and frequency; the interference optical path system comprises a beam splitter, a half-wave plate, a polarizer, and a high-reflection mirror, the laser beam generated by the laser is split into at least two beams by the beam splitter, each laser beam is transmitted to the processed workpiece through the polarizer, half-wave plate and high-reflection mirror, forming a specific interference light field; the electrochemical processing system comprises a pulse power supply, an electrolyte and an electrolytic cell, the processed workpiece serves as an anode connected to the positive electrode of the pulse power supply, and transparent conductive glass serves as a cathode connected to the negative electrode of the pulse power supply, the processed workpiece and the transparent conductive glass are both located in the electrolyte of the electrolytic cell, and the gap between the transparent conductive glass and the processed workpiece ranges from 0.01 to 5 mm; the present invention provides new ideas and solutions for the manufacture of new structural and functional integrated materials.

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 relates to the technical field of electrochemical machining, in particular to a multi-layer array fiber cluster flexible electrode and a complex runner electrochemical polishing method thereof.The multi-layer array fiber cluster flexible electrode is of a multi-layer composite structure and sequentially comprises an insulating layer, conductive metal wire clusters arranged in an array mode and a flexible mold core from outside to inside; the insulating layer is in a bamboo joint shape or is processed with an array groove structure, and the conductive metal wire cluster is formed by bundling a plurality of flexible metal filaments and is arranged in a close array along the outline of the flexible mold core; the multi-layer array fiber cluster flexible electrode solves the problems that a traditional rigid electrode cannot adapt to a bent flow channel, a simple flexible electrode cannot keep a uniform and stable machining gap between the simple flexible electrode and the wall face of a special-shaped flow channel, uneven distribution of an electric field and a flow field in the gap is easily caused, local over-corrosion or incomplete polishing is caused, and the service life of the flexible electrode is prolonged. And a high-uniformity global polishing effect cannot be realized.

This invention relates to a non-contact, low-temperature, intermittent heat exchange pulsed-dynamic electrolytic machining apparatus and method, belonging to the field of electrolytic machining. The apparatus consists of a blade workpiece, a cathode plate, a cathode holder, and an insulating sleeve. The cathode plate undergoes high-frequency reciprocating vibration during radial feeding, coordinated with the synchronous switching of a pulse power supply, to achieve pulsed-dynamic electrolytic machining. In this pulsed-dynamic electrolytic machining method, the cooling medium flows into the insulating sleeve from the inlet of the cooling channel, flows through the cooling channel, and then flows out from the outlet of the cooling channel, reducing the temperature inside the insulating cavity. As the blade is shaped and enters the insulating cavity, the cooling medium undergoes convective intermittent heat exchange with the stray electrolyte within the cooling channel, reducing the temperature and conductivity of the stray electrolyte, and even freezing the stray electrolyte, creating a low-temperature environment around the shaped blade and inhibiting the electrolytic reaction in the stray corrosion zone. Pulsed-dynamic machining promotes the removal of electrolytic products and heat, further improving machining accuracy and surface quality.

The invention discloses an ion channel protein near-atomic scale confinement dissolution electrochemical machining method based on a bionic confinement interface. The method is characterized in that a bionic phospholipid bilayer mask is spread on a workpiece anode to shield a non-processing area, ion channel protein is embedded into the bionic phospholipid bilayer mask to serve as an electrolyte channel, and when the bionic phospholipid bilayer mask is powered on, the anode dissolution reaction is strictly limited in the ion channel protein channel. Millivolt-level picosecond-nanosecond pulse voltage or current is adopted on the time scale so that anode metal atoms can be removed one by one, electrolytic products are discharged in the modes of electrolyte adjustment, microcosmic acting force, micro vibration and the like so as to ensure sustainable generation of electrochemical reaction, and therefore near-atomic-scale electrolytic machining is achieved. The electrochemical machining technology and the biological field are fused in an interdisciplinary mode, the near-atomic-scale electrochemical dissolution reaction space is constructed, the capacity of electrochemical machining for removing materials in an ion form is approached, and near-atomic-scale electrochemical machining is achieved.

The invention relates to the technical field of electrochemical machining, in particular to a deep and long variable cross-section shielding inner cavity electrochemical machining method which comprises the steps that a deep and long shielding reducing inner cavity single-blade electrode is designed according to the shape of a deep and long variable cross-section shielding inner cavity; the electrochemical machining process is divided into three stages according to the requirement for stable machining gap control under the condition of large-allowance removal deformation control of the deep and long variable-diameter shielding inner cavity and by combining the characteristic that machining gaps of all parts on the surface of the deep and long variable-cross-section shielding inner cavity are different through a single-blade electrode, and different machining modes are adopted in the different machining stages; wherein in the first stage, electrolytic machining reaches a dynamic equilibrium state, in the second stage, the problem of machining gap change caused by stress release deformation in a workpiece is solved through self-adaptive machining, stable electrolytic machining removal of a large number of materials is achieved, and in the third stage, double-Z-axis synchronous feeding of an electrode is driven by a motor, and long-stroke small-gap stable and accurate machining is achieved.

The invention provides a double-liquid-tank type electric spark electrolysis ultrasonic combined machining machine tool which is characterized in that a workbench is fixed on a machine body, and an electric spark machining head and an electrolytic machining head which are used for machining a workpiece are arranged on the machine body; the first machining fluid tank and the second machining fluid tank are arranged on the base in a reciprocating mode in the horizontal direction and the vertical direction, and when the first machining fluid tank and the second machining fluid tank horizontally move to the machining position and vertically ascend and descend, the workbench can be allowed to stretch into the first machining fluid tank and the second machining fluid tank. When the working table extends into the first machining liquid tank or the second machining liquid tank, the working table serves as the tank bottom of the first machining liquid tank or the second machining liquid tank to define a machining tank structure, and electrolyte or electric spark machining liquid capable of completely immersing a workpiece can be reserved in the machining tank structure. Rapid switching between a to-be-machined position and a machining position can be achieved, different machining procedures can be connected without re-clamping of a workpiece, the time for halting for workpiece replacement and positioning calibration is shortened, and the production efficiency is improved.

The application discloses a kind of complex structure parts electrochemical mechanical polishing equipment based on carrier liquid micro-particle electrolyte, including mechanical vibration mechanism and multi-degree-of-freedom transmission mechanism on base, and mechanical vibration mechanism is equipped with electrochemical processing mechanism between multi-degree-of-freedom transmission mechanism top, electrochemical processing mechanism is connected with liquid storage tank by temperature and humidity adjusting mechanism;Preloaded with carrier liquid micro-particle electrolyte in electrolytic cell, workpiece is clamped by pneumatic metal clamp, under the driving of multi-degree-of-freedom transmission mechanism, workpiece is contacted with carrier liquid micro-particle electrolyte in electrolytic cell all-around movement, simultaneously, voltage is applied by direct-current power supply, and the current loop of connection power supply positive pole, anode workpiece, electrolyte particle, cathode electrolytic cell and power supply negative pole is formed, during electrification process, workpiece surface is formed softened metal oxide film under the electrochemical action of carrier liquid micro-particle electrolyte;Workpiece is contacted with carrier liquid micro-particle in electrolytic cell by mechanical vibration mechanism and is vibrated, and the relative friction of multi-degree-of-freedom movement is generated, and the mechanical removal of surface oxide film is realized, and the electrochemical and mechanical circulation in polishing process is promoted, and the polishing efficiency is improved, and the machining accessibility of complex structure part polishing is good;It has the advantages of high efficiency, good polishing effect, simple operation and low cost.

This application relates to an electrochemical machining apparatus, control method, equipment, and storage medium. The electrochemical machining apparatus includes a main flow channel and a secondary flow channel, which are respectively located on opposite sides of the workpiece and flow through each other with electrolyte. The main flow channel includes a machining zone for electrochemical machining of the workpiece. The secondary flow channel includes a flexible support zone for providing flexible support to the machining zone, and the electrolyte pressure in the flexible support zone counteracts the electrolyte pressure in the machining zone. This application can avoid elastic deformation of the machining zone caused by the thinning of the material thickness in the machining area during electrochemical machining of thin-walled workpieces under high electrolyte pressure conditions, and avoids machining errors, thereby improving machining accuracy.

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 provides a variable-radius electrode and a pulse dynamic electrochemical polishing method for an inner channel, and belongs to the field of electrochemical machining. The variable radius electrode is composed of a dielectric material elastic driving body, a flexible insulation hinge and a cathode block. Wherein the elastic driving body is a cylinder formed by curling two layers of dielectric materials and a middle rigid reinforced fiber plate, and when pulse voltage is applied, the elastic driving body can generate axial periodic telescopic motion; flexible insulation hinges are connected to the upper end and the lower end of the elastic driving body, a plurality of cathode blocks are fixed between the flexible insulation hinges in the circumferential direction, the axial periodic telescopic motion of the elastic driving body can be converted into the radial periodic reciprocating motion of the cathode blocks, and the radius of the electrode is made to generate periodic pulsation change. In the machining process, the electrode moves in the channel under traction of the traction wire, the radius change period of the electrode is coupled with the pulse power-on period, power-on machining is conducted when the radius becomes large, power-off washing is conducted when the radius becomes small, and pulse dynamic electrochemical polishing of the complex inner channel is achieved.

The application discloses a multi-tool integrated tool for blisk electrolytic machining and a blisk machining method, and relates to the technical field of electrolytic machining, and comprises a tool disc and a cathode frame. The cathode frame is fixed on the tool disc. The cathode frame comprises an insulating connecting plate, an insulating profile cathode base and an insulating rough machining cathode rod. Profile shaping machining cathodes are fixed on the two sides of the profile cathode base. Rough machining cathodes are fixed on the end of the rough machining cathode rod. The rough machining cathodes and semi-finishing cathodes are fixed together through the cathode frame. In the rough machining and semi-finishing of the whole blisk, all blade profiles on the whole blisk can be machined at the same time. The problems of high labor intensity, low machining efficiency, large cumulative error and long machining cycle in the prior art are overcome. The machining precision of each blade is consistent. The product quality after machining is stable. The difficulty of subsequent whole blisk finishing is reduced. The machining efficiency of the whole blisk is improved.

The invention relates to a gas-assisted plasma enhanced electrochemical machining tool and method, and belongs to the field of plasma enhanced electrochemical machining. The tool comprises a tool base body, a blanking cap, an air inlet connector and a sealing gasket. The blanking cap presses the sealing gasket to the upper end of the base body through threaded connection, and an air cavity surrounding the center hole is formed in the base body. In the machining process, compressed air is input into the air cavity through the air inlet connector and sprayed out through the group holes in the bottom of the base body, the electrolyte form sprayed out of the center hole of the base body is restrained, a stable air film layer between the bottom end of the tool and the boundary of the electrolyte is formed, gas plasmas are formed through excitation under a strong electric field, and plasma enhanced electrochemical machining of the large-size electrode is achieved. According to the method, a more stable and controllable gas film condition is provided for plasma enhanced electrolytic machining by utilizing an airflow constraint method, the process window and the application scene of the process are widened, and efficient and high-quality machining of difficult-to-machine materials without tool loss is facilitated.

A generator for generating processing pulses at the electrode gap (3) of a device for electrochemically machining workpieces (1), comprising a power supply device (7) and switching devices (9) for pulse-wise connection of the power supply device (7) to connecting cables (5, 6) that are led to the electrode gap (3), with a circuit (8, 9, 13, 15) for increasing the steepness of the edges (25, 27) of current pulses flowing through the electrode gap (3) by recuperating field energy stored in the connecting cables (5, 6) during the pulses, wherein the circuit (8, 9, 13, 15) is provided for recuperating field energy stored as a result of the inductance (10) of the connecting cables (5, 6) and for recuperating the field energy by charging a capacitor (13) by a current that the inductance (10) generates after the connecting cables (5, 6) have been separated from the power supply device (7) by the switching device (9). and the circuit (8,9,13,15) comprises a diode (8) preventing the discharge of the capacitor (13) via the power supply device (7), characterized in that the connecting cables (5, 6), the power supply device (7), the capacitor (13) and the diode (8) are connected in series in such a way that they are arranged on a common current path at least for the current flowing during the recuperation of the field energy stored in the connecting cables (5, 6).

The invention relates to a manufacturing device for the electrochemical machining of a component, in particular a turbine component, wherein the manufacturing device comprises at least one machining device, which is set up to remove material of the component in accordance with a predetermined electrochemical machining method. It is provided that the manufacturing device comprises at least one cleaning device, which is set up to spray jets of the electrolyte solution onto the component in accordance with a predetermined jet-spraying method in order to remove a residue layer formed on the component during the predetermined electrochemical machining method.

The application provides a machining tool for removing the excess of a blade end locking plate, comprising: a crossbeam connected with a main shaft of a machining device; a locking pull pin, one end of which is connected with the crossbeam; a six-point positioning chuck assembly, one end of which is detachably connected with the other end of the locking pull pin, and the other end of the six-point positioning chuck assembly is connected with a tool electrode. The traditional tool setting mode of electrochemical machining is converted to the center of the main shaft of the machining device, the reference probe can be directly placed on the main shaft, the tool setting and conversion between the reference probe and the part reference can determine the spatial point position of the main shaft in the theoretical position, and the subsequent overall clamping of the machining tool for removing the excess of the blade end locking plate on the main shaft realizes the tool setting process of all positions, so that the machining preparation period can be effectively shortened, the machining precision of the part is improved, and the machining efficiency of the part is improved.

The invention provides a titanium alloy surface microstructure electrolytic machining method and system, and belongs to the technical field of electrolytic machining. In the electrolytic machining process of the titanium alloy, passivation and super-passivation behaviors are shown under different machining current densities, controllable machining of the microstructure on the surface of the titanium alloy is achieved by dynamically adjusting the current density of a machining area, and the method comprises the steps that the alpha / beta phase distribution rule of the titanium alloy is obtained through a metallographic analyzer; preparing a neutral salt solution containing aggressive chloride ions; simulating polarization characteristics of the titanium alloy by using an electrochemical workstation, obtaining a polarization curve, and extracting current density values of a passivation region and a super-passivation region from the curve; and electrolytic machining is conducted through the extracted current density value, the titanium alloy surface alpha / beta phase material corrosion process is regulated and controlled, and microstructures of different depths and shapes are prepared based on titanium alloy alpha / beta phase electrocorrosion differences. In-situ precision electrolytic machining of the microstructure can be achieved, and the preparation method is efficient and convenient.

The invention relates to the technical field of electrochemical machining equipment, and discloses a carbon fiber yarn surface special-shaped electrochemical etching device and method based on a rotating cathode, and the device comprises an electrolyte tank, a fiber feeding system, a rotating cathode electrode system, a power supply system and a control system; the electrolyte tank is filled with electrolyte; the fiber feeding system is mounted in the electrolyte tank and is used for feeding carbon fibers; the rotating cathode electrode system comprises a driving assembly and a plurality of rotating tip cathodes; the driving assembly is installed in the electrolyte tank, a connecting cylinder is installed at the output end of the driving assembly, the carbon fiber yarn penetrates through the connecting cylinder, and the rotating tip cathode is installed on the connecting cylinder; the anode of the power supply system is connected with the carbon fibers, and the cathode of the power supply system is connected with the rotating tip cathode. According to the method, the periodic special-shaped etching pattern can be accurately formed on the surface of the carbon fiber yarn, the surface structure is optimized, the bonding force of the carbon fiber yarn and the bonding material is remarkably improved, the production efficiency is improved, and the manufacturing cost is reduced.

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 present invention relates to a sleeve-shaped electrolytic machining device and method for a centripetal component with a closed flow field on the inlet and exhaust sides, and belongs to the field of electrolytic machining. The device includes a liquid sealing baffle, a cathode body, a connecting shaft, a compression spring, a liquid inlet base and a fixed bracket. The liquid sealing baffle is respectively tightly attached to the side end faces of the inlet and exhaust sides of the cathode body, and a connecting shaft is provided at the tail end of the baffle, which respectively cooperates with the fixed bracket through the shaft hole gap to form a sliding pair. A compression spring is provided on the outer sleeve of the connecting shaft, so that the liquid sealing baffle is always tightly attached to the inner wall of the centripetal component under the pressure of the compression spring. The present invention increases the outlet back pressure of the inlet and exhaust sides, so that the electrolyte flows out from the blade basin and the back side of the blade, reduces the liquid outlet area of ​​the processing area, increases the electrolyte flow rate, and thus improves the processing stability of the centripetal component. In addition, the device does not need to be repeatedly disassembled and clamped during the processing process, and can achieve a continuous and stable liquid sealing effect of the blade, thereby improving the processing efficiency of the centripetal component.

This application relates to the technical field of electrochemical machining and provides a force-sensing-based electrolyte vibration electrochemical discharge machining device and method. The force-sensing-based electrolyte vibration electrochemical discharge machining device includes an electrochemical discharge power supply, an electrode assembly, a spindle assembly, an electrostatic attraction assembly, a clamping assembly, a moving platform, a force-sensing unit, an ultrasonic vibration unit, an electrolyte replacement assembly, a motion controller, a gas supply unit, a marble platform, an air flotation platform, and a control unit. This device can adjust the discharge gap through force-sensing feedback, and by combining electrolyte vibration and cyclic replacement, it achieves the invention objective of high-precision electrochemical discharge machining of difficult-to-machine materials. In addition, this application also provides a method applied to the force-sensing-based electrolyte vibration electrochemical discharge machining device.

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.

The invention discloses a multi-source vibration and pulse power supply coupling electrochemical composite milling device which comprises a base, a fixing frame, a first translation module, a second translation module, a third translation module, a first vibration module, a second vibration module, a first mounting plate, a second mounting plate, a first connecting rod, a second connecting rod, a rotating module, a cathode, a vibration support and a bearing module. Accurate movement and stable electric conduction of the main shaft are achieved through cooperative control. The vibration frequency and amplitude of a gap between a tool electrode and a workpiece can be accurately regulated and controlled through coupling of a multi-source vibration structure and pulsating power supply, and products are effectively prevented from being attached to the machined surface through a small-gap power supply machining and large-gap washing periodic circulation mode. Multi-source vibration and pulse power supply coupling, electrochemical discharge composite milling efficient rough machining and electrochemical mechanical grinding and milling composite finish machining are fused on the same device, multiple process advantages are integrated, and the machining efficiency and the surface quality of a material component difficult to cut and machine are effectively improved; the method is especially suitable for manufacturing requirements of complex components in the aerospace field.