870results about "Electrical-based machining electrodes" patented technology

The invention relates to the technical field of cutting, and provides an adjustable linear cutting machine tool which is characterized in that a wire conveying device is arranged above a fixed box and is used for cutting a workpiece. And the movable adjusting device is arranged above the fixed box, is arranged on the side of the wire conveying device and is used for driving the workpiece to move. And the circulating device is arranged in the fixed box and is used for cleaning and cooling the workpiece and circularly filtering the cooling liquid. The controller is arranged above the fixing box and electrically connected with the wire conveying device, the movable adjusting device and the circulating device. The tightness degree of the electrode wire is adjusted through rotation of the circular ring on the wire conveying device. A first electric guide rail, a second electric guide rail and a water pump are opened through a trigger button, a workpiece is cut and cooled after an electrode wire starts to move, and the cutting efficiency can be affected when the electrode wire stops moving.

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 invention discloses a carbon nano tube reinforced tungsten carbide titanium metal ceramic material as well as a preparation method and application thereof, and belongs to the field of metal ceramic materials. According to the invention, a spark plasma coupling high-frequency induction sintering method is adopted, CNTs are uniformly dispersed in a material matrix through a method of dispersing CNTs through dry ball milling again, and the uniformly dispersed CNTs improve the discharge environment, reduce the sintering current and reduce the energy consumption under the spark plasma coupling high-frequency induction effect in the sintering process. The high-compactness, high-strength and high-wear-resistance (W, Ti) C-based metal ceramic material is prepared at the sintering temperature of 1350 DEG C by utilizing the ultrahigh conductive complementary effect of the (W, Ti) C metal ceramic material and the CNTs.

The utility model relates to the technical field of linear cutting machine tools, in particular to a wire pressing device for a linear cutting machine tool, which comprises a support frame, a mounting plate fixed on the side surface of the support frame, support plates fixed at the top end of the mounting plate, winding pulleys mounted between the two support plates, and a cutting wire connected between the two winding pulleys. The two ends of the cutting line penetrate through the line through holes, friction and abrasion are reduced through protection of the protection sleeve, limiting and stabilizing are conducted through the installation cylinder, the cutting line is kept vertical, and cutting use is facilitated. The cutting line is wound on the surface of the winding pulley, the winding pulley is rotated through the rotating handle, the length and the tightness degree of the cutting line between the two mounting plates are adjusted, the jacking plate is jacked and fixed through the jacking bolt, the stability of the winding pulley is kept, then the cutting line can be wound in order, and the tightness degree of the cutting line can be adjusted.

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 belongs to the technical field of special maintenance of reactor bodies, and particularly relates to an electric spark machining head for cutting a sleeve flange in a narrow space. Comprising an expansion mechanism, a fine adjustment jacking mechanism, a rotating mechanism, an electrode and a radial servo feeding mechanism, the rotating mechanism provides rotary motion of the electrode and drives the electrode to conduct rotary machining, the radial servo feeding mechanism provides radial feeding motion of the electrode, and the expansion mechanism plays a role in fixing and positioning. The fine adjustment jacking mechanism drives the rotating mechanism, and the radial servo feeding mechanism drives the electrode to do up-down, rotating and radial feeding movement. The method has the beneficial effects that the damage to the pressure-bearing boundary of the primary loop of the nuclear power unit can be avoided under the condition that the heat sleeve is worn out of limits and needs to be replaced aiming at the common problem of wear settlement of the heat sleeve of the control rod driving mechanism of the nuclear power unit, and the whole dismantling work has relatively high safety, reliability and economical efficiency; and greater benefits can be created for the operation of a power plant.

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 relates to the technical field of precision manufacturing and intelligent control, and particularly discloses an intelligent spark machine machining parameter optimization method based on effect feedback, which comprises the following steps of: calculating an abnormal characteristic value of an electrode feeding speed by using Haar wavelet transform, and analyzing time sequence data of conductivity of a working solution by using fast Fourier transform; according to the method, abnormal characteristic values are obtained, the characteristic values are constructed into a comprehensive characteristic vector, the comprehensive characteristic vector is input into a random forest model for comprehensive analysis, an electric spark machining effect score is generated, the system can dynamically adjust the electrode feeding speed and the working fluid conductivity based on the effect score, and it is ensured that machining parameters are always in the optimal configuration; according to the method, the machining efficiency is improved, the rejection rate is reduced, the surface quality and the size precision of the product are greatly improved, and the requirement of precision manufacturing is met.

The invention discloses a high-speed wire cutting machine tool which comprises a machine tool body, a wire cutting machine head and an anti-vibration wire frame, the wire cutting machine head is fixedly installed on the machine tool body, the anti-vibration wire frame comprises a guide plate, a movable guide plate and a walking wheel, the guide plate is provided with a fixed guide wheel, the movable guide plate is provided with an abutting wheel, the inner side of the abutting wheel is provided with a vibration sensor, and the vibration sensor is connected with the movable guide plate. The output end of the vibration sensor is electrically connected with the controller; the anti-vibration wire frame is further provided with a flexible adjusting assembly, and the flexible adjusting assembly comprises a linear guide bar, a driving rod and a pressing cap sliding seat. Through the elastic supporting and sliding adjusting functions of the anti-vibration wire frame and the feedback adjusting and magnetic flexible locking functions of the flexible adjusting assembly, automatic adjustment and vibration energy dissipation reduction of the tension of the electrode wire are achieved, vibration of the electrode wire in the wire moving process is effectively reduced, constant tension control and cutting precision of wire moving are ensured, and the wire moving quality is improved. And the operation stability and the cutting quality of the machine tool are improved.

The invention relates to the technical field of wire cutting machines, and provides a roller device convenient to disassemble and assemble and a disassembling and assembling method. The assembly parts are arranged at the two ends of the roller; the assembly part extends outwards to be provided with a threaded section, and an abutting groove hole is formed in the end, away from the roller, of the threaded section. Each assembly part is connected with a jacking assembly, each jacking assembly comprises an assembly main body and a jacking main body rotationally arranged on the assembly main body, the jacking main body is provided with a jacking plug inserted into the jacking slotted hole, a nut part is rotationally arranged outside the jacking plug, and the nut part is in threaded connection with the threaded section; the driving mechanism is connected with the propping main body of any propping component; and the assembling main body of the jacking assembly at one end far away from the driving mechanism is connected with the supporting frame through an elastic structure. The roller has the advantages that only the roller needs to be disassembled and assembled during disassembly and replacement, the roller does not need to be disassembled together with a driving mechanism, the whole disassembly and replacement process is simpler and more convenient, and the disassembly and replacement efficiency of the roller can be improved.

The application discloses a kind of electric spark wire collecting and releasing device and method of convenient automatic wire feeding, belong to spark wire cutting processing technical field, including rack;The top of rack is connected with the adjusting type take-up and pay-off assembly for take-up and pay-off;Adjusting type take-up and pay-off assembly includes take-up and pay-off assembly, adjusting type linkage assembly and translation component, translation component is fixedly connected with rack, adjusting type linkage assembly is connected with take-up and pay-off assembly, adjusting type linkage assembly is fixedly connected with translation component;The end of the winding end of take-up and pay-off assembly is fixedly connected with the elastic compression assembly for cutting wire end fixedly connected;The side of rack close to cutting machine tool is connected with the wire feeding assembly for cutting wire to be sent to elastic compression assembly, and wire feeding assembly is movably connected with elastic compression assembly.The application realizes automatic wire feeding, and it is beneficial to practical use.

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 invention discloses high-stability automatic wire dismounting and threading wire cutting equipment, which belongs to the technical field of wire cutting and comprises a rack, a wire winding and unwinding mechanism used for winding and unwinding a wire is mounted on the left side of the rack, and a wire tensioning mechanism used for adjusting the tightness of the wire is mounted on the middle side of the rack. A silk thread vertical conveying mechanism used for guiding silk threads to be conveyed downwards and assisting in threading is installed on the upper side of the machine frame, and a workpiece driving mechanism used for clamping and driving a workpiece to move is installed on the right side of the machine frame. A silk thread transverse conveying mechanism used for receiving silk threads penetrating through the workpiece and conveying the silk threads to the silk thread winding and unwinding mechanism is installed on the lower side of the rack. In this way, when a silk thread penetrates through a workpiece and is bent, the silk thread can be normally clamped on the lower guide wheel for silk thread conveying, the silk thread penetrating stability is improved, pipes can be rapidly replaced to conduct perforation of different sizes and conveying of silk threads of different thicknesses, and the silk threads are rapidly fixed to a take-up barrel for take-up.

The invention discloses an automatic threading wire cutting machine, and belongs to the field of wire cutting equipment. The automatic threading wire cutting machine comprises a rack, a wire source device, a lifting device, a threading device, an upper wire guide piece, a sleeve and a sensor, the wire source device, the lifting device and the threading device are installed on the rack, the upper wire guide piece is installed on the lifting device, the sleeve is arranged on an upper wire guide rod in a lifting and sleeving mode, and the sensor is arranged at the position matched with the sleeve. The lifting device is used for driving the upper wire guide piece and the sleeve to ascend and descend, and when the lifting device enables the distance between the end of the upper wire guide piece and the workpiece to reach the preset distance, the sleeve is connected with the workpiece to trigger the sensor. According to the invention, the sensor is matched with the sleeve to detect the positions of the upper wire guide piece and the workpiece under the condition that the upper wire guide piece is not connected with the workpiece, so that the probability of deviation of the bottom of the upper wire guide piece, which is provided with the eye mold, is reduced; the problem that in the prior art, due to the fact that an eye die deviates easily, the linear cutting machining precision of automatic wire penetrating is reduced is solved.

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 utility model relates to the technical field of wire cutting machines, and discloses a guide wheel anti-falling structure which comprises a base, a supporting frame is fixedly installed at the front end of the base, the supporting frame is connected with a first fixing plate and a second fixing plate through a limiting cylinder, and the inner side of the first fixing plate and the inner side of the second fixing plate are each provided with a wire saw guide wheel. An anti-falling device is arranged on the surface of the rope saw guide wheel and comprises an anti-falling clamp, a fixing column and a positioning frame, pull rods on the two sides are pulled firstly, then telescopic springs are stressed and contracted, positioning holes in clamping pieces on the two sides of the anti-falling clamp are aligned with the fixing column, then the pull rods are loosened, the telescopic springs can drive the pull rods to stretch out, and the anti-falling device is arranged on the surface of the rope saw guide wheel. The two clamping pieces are arranged on the fixing shaft and clamped and fixed with the inserting holes, the first threaded holes in the two ends of the two clamping pieces are accurately aligned with the threaded holes of the fixing shaft, then fixing is conducted through the locking bolts, the device is extremely convenient to install and detach, and the stability is greatly improved by adopting a double-fixing mode.

A wire electrical discharge machining (WEDM)-adapted wire electrode includes a core material composed of brass having a zinc concentration of greater than 40 mass %, and a coating layer covering a periphery of the core material, wherein the coating layer is composed of brass having a zinc concentration higher than the zinc concentration of the core material and of 44 mass % or more and 50 mass % or less, and wherein a ratio of a thickness of the coating layer to a diameter of the WEDM-adapted wire electrode is 2% or more and 20% or less.

The utility model discloses a stable and adjustable gravity type automatic wire tightening device suitable for a linear cutting machine tool, which comprises a first wire tightening mechanism, a second wire tightening mechanism, a third wire tightening mechanism, a fourth wire tightening mechanism, a fifth wire tightening mechanism, a sixth wire tightening mechanism, a fifth wire tightening mechanism and a sixth wire tightening mechanism, the gravity wire tightening mechanism is detachably connected with the first wire tightening mechanism and is used for adjusting the tensioning force of the molybdenum wire; the lower end of the gravity wire tightening mechanism is detachably connected with a heavy hammer locking and releasing mechanism, the tensioning force of the molybdenum wire is adjusted by increasing or reducing balancing weights according to the principle that the gravity is constant, so that the molybdenum wire of the wire cut electrical discharge machining tool can obtain the constant, uniform, continuous, stable and adjustable tensioning force in the running process, and the service life of the wire cut electrical discharge machining tool is prolonged. Therefore, the machining precision is further improved, the problem of single-side wire loosening of the wire cylinder is solved, the machining precision of a linear cutting machine tool can be further improved, the machining precision of workpieces such as hole pattern sample plates is guaranteed, and thick workpieces can be easily machined.

The utility model provides a linear cutting guide wire angle adjusting device which comprises two guide wheels arranged up and down, a guide wire passes through the two guide wheels in sequence, the linear cutting guide wire angle adjusting device further comprises two sets of transmission assemblies, each transmission assembly comprises a fixing block, an inclination pull rod, an adjusting block and a guide wire eye film, the fixing blocks and the inclination pull rods are installed on a rack, the adjusting blocks are hinged in the fixing blocks, and the guide wire eye films are arranged on the inclination pull rods. The guide wheels and the guide wire eye film are installed on the adjusting block, the guide wire eye film is located between the two guide wheels, the guide wire penetrates through the guide wire eye film and the end of the inclination pull rod to be connected with the adjusting block, the inclination pull rod stretches out and draws back to drive the adjusting block to rotate, the guide wheels and the guide wire eye film are driven by the adjusting block to rotate, and the guide wire eye film enables the guide wire to incline. Compared with the prior art, when the guide wire in the linear cutting guide wire angle adjusting device inclines, the guide wire eye film serves as the center, compensation is not needed after the guide wire inclines through the guide wire eye film, the operation precision of angle adjusting is guaranteed, and meanwhile the operation process is greatly simplified.

According to the automatic wire threading device for wire cutting, the wire clamp installed on the belt is adopted to automatically rotate by 90-180 degrees at the belt pulleys at the two ends when the belt moves, the end of a molybdenum wire is pulled to the wire winding drum from the position above the guide wheel, the molybdenum wire is fixed through the molybdenum wire end fixing ring, and the molybdenum wire is prevented from being bent and damaged in the wire threading process; the molybdenum wire threading device solves the defects in the prior art, is simple in structure and good in reliability, and improves the success rate of automatic threading.

The invention discloses a stepped adjusting and cutting device for linear cutting equipment. The stepped adjusting and cutting device comprises a lower wiring groove roller, an upper wiring groove roller, a side rotating mechanism used for adjusting the state of the lower wiring groove roller and a platen. The device has the beneficial effects that the two lower wiring groove rollers are inclined downwards through the side rotating mechanism, the effect of forming an equal-height-difference stepped cutting structure for the distributed cutting lines is achieved, and a traditional horizontal equal-distance-distribution cutting line distribution mode is adjusted into a stepped equal-height-difference cutting line distribution mode; the effect of cutting one by one is achieved, the problem that a plurality of slice parts fall and collide at the same time is avoided, and operation reaction time difference is provided for follow-up implementation of ordered discharging; the saw dust wood frame is used for binding and fixing the bottom of the to-be-cut workpiece, the saw dust wood frame can be cut through the cutting line, the thoroughness of the cutting line cutting the bottom of the workpiece can be guaranteed, meanwhile, the stability of the remaining workpiece part in the cutting state can be maintained, and unnecessary cutting hindrance is reduced.

A flexible electrode (2) in-line deformation electrical discharge cutting method. During machining of complex surfaces, such as blisks, a flexible electrode (2) is used as a tool electrode for electrical discharge machining, the surface of the flexible electrode (2) is used as a machining surface for performing cutting-type electrical discharge machining along a preset path, and, according to the curvature characteristics of the machined surfaces, the flexible electrode (2) undergoes in-line deformation, thereby completing the machining of complex surfaces. The flexible electrode (2) is made of a material having good electrical conductivity and elasticity, so as to ensure that the flexible electrode (2) can recover after deformation. Using the flexible electrode (2) for realizing electrical discharge cutting machining for three-dimensional complex surfaces can simplify a design process for the tool electrode and improve the electrical discharge 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 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.

The invention discloses an electrode capable of machining two square holes at the same time and a using and manufacturing method of the electrode, and relates to the technical field of electric spark punching. The electrode comprises an electrode clamping part, the two ends of the short edge of one side of the electrode clamping part are connected with electrode working parts with square sections, and each electrode working part comprises a working section a, a working section b, a working section c and a working section d which are sequentially connected in the direction from the free end to the connecting end of the electrode working part. When the electrode is used, rough machining, semi-finish machining, finish machining and ultra-finish machining can be synchronously carried out on the two square holes through the working sections on the two electrode working parts. According to the electrode capable of machining the two square holes at the same time and the using and manufacturing method of the electrode, simultaneous machining of the two square holes of a high-precision valve part can be completed, and electrode loss is reduced while the requirement that the inner angle of the square holes is not larger than R0.05 mm is met.

The invention discloses a wire cutting machine, and belongs to the technical field of cutting equipment. The wire feeding device comprises a base, a wire feeding assembly and a workbench, wherein the wire feeding assembly and the workbench are arranged on the base; the wire moving assembly comprises a wire storage barrel, an electrode wire, a first extending part and a second extending part, the first extending part and the second extending part are arranged in parallel and arranged on the upper side and the lower side of a workpiece, part of the electrode wire is wound around the wire storage barrel, and the remaining part of the electrode wire can act on the workpiece after being limited by the first extending part and the second extending part. The first extending part comprises a stabilizing part, the stabilizing part abuts against the electrode wire, the stabilizing part can buffer the electrode wire, and the stabilizing part can decelerate the electrode wire which accelerates instantly so that wire vibration of the electrode wire can be reduced. By arranging the stabilizing piece, when the electrode wire vibrates in the radial direction, the stabilizing piece can buffer the electrode wire so as to reduce vibration, and wire vibration is effectively restrained.

The invention relates to a method for producing an element (2, 2a), in particular an element (2, 2a) of a semiconductor technology system, very particularly an optical element (2) of a lithography system, in particular a projection exposure system (100, 200), having a substrate (125) and a surface (4) arranged on the substrate (125), in particular an optical surface, wherein at least one hollow structure region (5) for guiding a temperature-controlled fluid (128) is formed in the substrate (125). According to the invention, the hollow structure region (5) is produced by sinking spark erosion with an electrode (7) for spark generation, wherein the electrode (7) is driven forward through the substrate (125) by means of a drive device (8) along a path (9) that is curved at least in sections, drilling therethrough to produce the hollow structure region (5).

The invention relates to the technical field of precise medium-speed wire cutting machine tools, in particular to a wire breakage prevention precise medium-speed wire cutting machine tool which comprises a machine tool body and a wire conveying mechanism installed on the upper portion of the left side of the machine tool body, and a second sliding rail assembly is fixed to the upper portion of the right side of the machine tool body. A stand column is fixed to the position, on the right side of the rear portion of the wire conveying mechanism, of the lathe bed body, a lower wire frame is fixed to the lower portion of the front side face of the stand column, and an upper wire frame is connected to the upper portion of the front side face of the stand column through a third sliding rail assembly. And electrode wire bodies are arranged on the outer sides of the wire conveying mechanism and the guide wheel assembly and in the upper spraying assembly. According to the precise medium-speed wire cutting machine tool capable of preventing wire breakage, the cooling effect and the cooling efficiency of the wire electrode body are improved, so that the wire electrode body is prevented from being broken due to overheating, the wire electrode body is conveniently protected, and the precise medium-speed wire cutting machine tool can well carry out wire cutting operation.