173 results about "Tungsten filament" patented technology

The invention belongs to the technical field of tungsten filament processing, and relates to a lanthanum-doped fine tungsten filament wire drawing device and a wire drawing method.The lanthanum-doped fine tungsten filament wire drawing device comprises a machine frame, a mounting frame, a controller, a winding frame, a gear motor, a rotating shaft, a wire drawing mechanism, a heating mechanism and a cooling mechanism, the mounting frame is mounted on the machine frame, and the controller is mounted at the top of the machine frame; a winding frame is connected to the mounting frame, a speed reducing motor is mounted on the mounting frame, a rotating shaft is connected to an output shaft of the speed reducing motor, a wire drawing mechanism used for conducting wire drawing on tungsten wires is arranged on the mounting frame, and the wire drawing mechanism comprises a wire drawing die. And a heating mechanism and a cooling mechanism which are used for heating the tungsten filament are arranged in the wire drawing die. After wire drawing is completed, wire winding can be conducted through the wire winding wheel, in the wire winding process of the wire winding wheel, the gear rotates to drive the reciprocating lead screw to move back and forth in a reciprocating mode, and therefore the wire winding wheel is driven to move back and forth in a reciprocating mode, and tungsten wires are evenly distributed on the wire winding wheel.

The invention relates to a wire drawing system with pay-off power and a tungsten filament cold drawing method, the wire drawing system comprises a pay-off machine, a wire drawing machine and a take-up machine, the pay-off machine comprises a rack adjustably arranged on one side wall of the wire drawing machine, and a pay-off device, a guide device and a tension device which are arranged on the rack; the pay-off device comprises a pay-off motor and a clamping mechanism, and a pay-off wheel wound with a wire is detachably arranged on the clamping mechanism; the guide device comprises a guide piece I with a guide wheel and a guide piece II with two guide wheels; the tension device comprises a tension wheel arranged on the rack in an up-down swinging mode and a sensor used for monitoring the swinging angle of the tension wheel. And a wire on the pay-off wheel is led out to sequentially wind the guide wheel on the first guide piece, one guide wheel on the second guide piece, the tension wheel, the other guide wheel on the second guide piece and the other guide wheel, and then is led into the wire drawing machine. The wire drawing machine can actively pay off wires, and the pay-off machine, the wire drawing machine and the take-up machine are in linkage fit, so that stable drawing of superfine wires can be realized.

The invention relates to an ultrafine high-strength multi-component composite reinforced tungsten filament and a preparation method thereof, the tungsten filament comprises W, rare earth oxide (any one of La2O3, Y2O3 and CeO2) and alloy elements (Al, Si, K and Zr), the content of the rare earth oxide in the tungsten filament is 0.1-1.0 wt%, and the content of Al in the alloy elements is 0.025-0.05 wt%, the content of Si is 0.1-0.2 wt%, the content of K is 0.28-0.56 wt%, the content of Zr is 0.1-0.5 wt%, and the balance is W. The wire diameter of the tungsten filament is 28-30 [mu] m; the tensile strength of the tungsten filament is more than 7100 MPa, and the length of a single tungsten filament is more than 150 thousand meters. According to the tungsten wire, through multi-phase composite doping, the purpose of synergistic strengthening such as nano-particle dispersion strengthening, fine grain strengthening and grain boundary strengthening is achieved, and the superfine high-strength tungsten alloy wire with good toughness can be obtained.

The utility model relates to the technical field of tungsten filament drawing processing, and discloses a tungsten filament drying and preheating mechanism which comprises a box body with an opening at the upper end, a cover body is arranged at the opening of the box body, and a plurality of heating components distributed in parallel are arranged in the box body; the heating assembly comprises a heat conduction pipe and a plurality of electric heating pipes arranged in the heat conduction pipe, the cross section of the heat conduction pipe is of a C-shaped structure, a wire inlet notch is formed in the upper side of the heat conduction pipe, a C-shaped cavity penetrating through the two ends is formed in the heat conduction pipe, end covers are arranged at the two ends of the C-shaped cavity, the electric heating pipes are arranged in the C-shaped cavity, and the two ends of each electric heating pipe are connected with the end covers respectively; and avoiding gaps are formed in positions, corresponding to the two ends of the heat conduction pipe, on the box body. The heating device has the advantages of being convenient to use and stable and even in heating.

The invention discloses superfine aquadag for drawing a high-strength tungsten filament and a preparation method of the superfine aquadag, and belongs to the technical field of metal processing and forming. According to the preparation method, the ultrafine graphite dispersion liquid with small particle size and proper particle size distribution is obtained by improving the surface treatment and grinding process of the graphite powder; and uniformly mixing the thickening agent, the binder and the graphite dispersion liquid by adopting a segmented stirring method to obtain the finished product aquadag which is stable in component and not easy to layer. The aquadag provided by the invention has the characteristics of small particle size and large particle size distribution range, the ash content is low, the specific gravity is large, the cost is low, and meanwhile, the lubricity and the adhesion performance in the drawing process are remarkably improved. The aquadag provided by the invention can be used for processing superfine tungsten wires with the wire diameter of less than 30 microns and high tensile strength, and can meet the processing requirements of the novel photovoltaic diamond wire industry.

The invention discloses a high-power pulse magnetron cathode heater assembly, a preparation method and an application. The preparation method comprises the following steps: winding a tungsten filament, and sequentially carrying out primary high-temperature shaping, insulating layer coating and secondary high-temperature sintering to prepare a required heater; preparing a cathode blank with a tantalum sponge body; preparing a cathode prefabricated part with the tantalum sponge body; coating the composite rare earth oxide turbid liquid, and sintering in a high-temperature vacuum furnace to obtain the required cathode; and assembling the cathode and the heater, filling the space between the cathode and the heater with a heat-conducting and electric-conducting material, and sintering in a vacuum furnace to prepare the cathode and heater assembly. The cathode heater assembly has high heat emission and secondary electron emission, has good electron and ion bombardment resistance, prolongs the service life, and can adapt to the working environment of a high-power pulse magnetron; and the device also has the characteristics of low cathode heating power, high thermal emission current density and the like, and can be quickly started.

The invention discloses a tungsten filament detection method, which belongs to the technical field of tungsten filament detection, and comprises the following steps: adhering a plurality of tungsten filaments into a wire harness sample; embedding the wire harness sample into a mold hole of a mold, enabling the wire harness sample to be perpendicular to the surface of the mold, adding a cold embedding solution into the mold, closing the mold, and opening the mold and taking out after waiting for 1-3 hours; the wire harness sample is ground and polished, and the grinding mesh number ranges from 400 meshes to 5000 meshes; carrying out electron microscope scanning and energy spectrum analysis on the cross section of the wire harness sample, judging that the anti-shearing performance and the anti-splitting performance of the interior of the tungsten filament are good if the proportion of the tungsten filament with the split surface and the fractured tungsten filament is within 10%, and judging that the anti-cracking performance of the tungsten filament is good if the proportion of the C element and the O element is within 8%; defects of the cross section of the tungsten filament are visually observed through a scanning electron microscope, whether the cross section of the tungsten filament is broken or not is observed in a polishing mode, the anti-shearing capacity is judged, composition elements of an incoming bus are analyzed in an energy spectrum mode, and the advantages and disadvantages of the tungsten filament drawing process are judged according to the proportion of all the elements.

The invention discloses a rotary linear chained wire drawing machine and a wire drawing process thereof.The rotary linear chained wire drawing machine comprises a wire drawing machine body, a chained rotating machine and a vertical take-up reel, the wire drawing machine body comprises a lubricant groove, a natural gas heating furnace and a mold frame, and a tungsten filament sequentially penetrates through the lubricant groove, the natural gas heating furnace and the mold frame; the chain type rotating machine comprises a base and a plurality of high-pressure air clamps reciprocating in the kidney-shaped track, each high-pressure air clamp comprises a high-pressure air cylinder and a clamping part driven by the high-pressure air cylinder, and when the clamping parts rotate to the linear section of the side, adjacent to the mold base, of the kidney-shaped track, the clamping parts of the high-pressure air clamps clamp the tungsten filaments to conduct linear stretching; and the vertical take-up reel is used for collecting the stretched tungsten filament. According to the invention, the production efficiency is high, multiple devices can be used in series, the occupied area is small, the problem of large occupied area of chain type straight pulling is solved, and the problem that tungsten filaments bent by a large turntable are easy to break is also solved, so that the quality of the produced tungsten filaments is effectively ensured.

The invention discloses an ion etching device for PVD (Physical Vapor Deposition) coating equipment. The ion etching device comprises an auxiliary anode, a main and standby double-group tungsten filament heating module, an inert gas directional introduction module, a vacuum and electric connection module and a control and protection module. Through the design of the main and standby tungsten filaments and the automatic overlapping switching strategy, it is ensured that when one tungsten filament fails, seamless switching to the standby tungsten filament can be achieved, shutdown caused by filament breakage or degradation is effectively avoided, the service life of the device is prolonged, long-period continuous production is guaranteed, and the operation efficiency and production continuity of the device are greatly improved. Meanwhile, electric arc particle pollution is avoided through hot electron emission, and the surface cleanliness is high; the matching range of pressure, bias pressure and gas is wide, the method is suitable for multiple materials and complex morphology, and the process repeatability is good; the flange and the electric penetration assembly are modularized, and the tungsten filament / anode / gas supply assembly is quickly replaced, so that the maintenance time is shortened, and the maintenance cost is reduced; the whole system is simple in structure, does not need a complex magnetic field and a multi-stage electrode, and is low in equipment manufacturing cost.

The utility model discloses a fresh fish dehumidifying and drying device in the field of fresh fish processing equipment, which comprises a first box body, a base and a second box body, the base is fixedly connected to the bottom of the first box body, and the second box body is fixedly connected to the middle of the upper side of the rear side wall of the first box body. Electric tungsten filament heating boxes are fixedly connected to the middles of the left side wall and the right side wall of an inner cavity of the first box body, expansion covers are connected to the middles of the left side and the right side of the top of the first box body, and a motor is fixedly connected to the middle of the top of an inner cavity of the base; the output end of the motor penetrates through the middle of the top of the inner cavity of the base and the middle of the bottom of the first box body, the fresh fish dehumidifying and drying device facilitates one-way circulating filtration treatment on air with peculiar smell generated by dehumidifying and drying fresh fish, the air with peculiar smell generated by dehumidifying and drying fresh fish is prevented from escaping into the air, air pollution is avoided, and the fresh fish dehumidifying and drying device is suitable for popularization and application. The fresh fish dehumidifying and drying device is convenient to use, fresh fish can be uniformly dehumidified and dried, and the use efficiency of the fresh fish dehumidifying and drying device is improved.

The invention provides a tungsten filament straightening device convenient to adjust, and relates to the technical field of tungsten filament straightening. The tungsten filament straightening device convenient to adjust comprises a mounting operation table, a straightening box body is fixedly connected to the middle of the upper surface of the mounting operation table, movable connecting shafts are inserted into the front side and the rear side of the straightening box body correspondingly, and the opposite ends of the two movable connecting shafts are fixedly connected with U-shaped mounting bases correspondingly; and straightening wheels are rotationally connected into the U-shaped mounting seats. According to the tungsten filament straightening device, a first pump body is started, the first pump body pumps lubricating liquid in a lubricating liquid box body, the lubricating liquid enters a first annular pipe through a first connecting pipe and then is sprayed to the surface of a tungsten filament through a plurality of first spray heads, so that when the tungsten filament passes through the two straightening wheels, hard friction between the tungsten filament and the two straightening wheels can be reduced, and meanwhile the tungsten filament can be straightened. The tungsten filament can be isolated from air through the lubricating liquid, the situation that the surface of the tungsten filament is oxidized is reduced, and the quality of the tungsten filament is improved.

The utility model discloses a tungsten filament processing wire-drawing die with a quick positioning structure, which comprises a row die base, a fixing sleeve is arranged above the row die base, the outer wall of the circumferential side surface of the fixing sleeve is rotatably connected with a fixing ring, and an opening is arranged between the inner wall and the outer wall of the circumferential side surface of the fixing ring. An arc-shaped groove is formed between the inner wall and the outer wall of the circumferential side face of the fixing sleeve, a telescopic groove aligned with the arc-shaped groove is formed in the fixing sleeve, and one end of the telescopic groove extends into the arc-shaped groove. Through the arrangement of the fixing sleeve, the wire drawing block is placed in the fixing sleeve, the lead screw is rotated, the lead screw drives the movable block to move, the movable block drives the extrusion plate to move, the wire drawing block is fixed in the fixing sleeve through the extrusion plate, the device can fix the wire drawing blocks of different sizes in the fixing sleeve, and a user can disassemble and assemble the wire drawing blocks conveniently; the open hole in the fixing ring is aligned with the lifting column, so that the lifting column penetrates through the open hole and then is extruded on the fixing sleeve, and the fixing sleeve is rotated.

According to the manufacturing method of the screen cloth for the solar photovoltaic screen printing plate, the screen cloth is woven by adopting various warp and weft combinations, so that downstream customers can meet the requirements of various properties and the service life more flexibly according to the requirements of the customers. Warps and wefts with different diameters and different meshes are adopted for mixed weaving, according to customer requirements and market requirements, different weft diameters and different warp and weft mesh numbers are set for weaving, and the method comprises the following specific steps that S1, tungsten filaments used for weaving are wound on a raw material shaft according to reed parameter indexes; s2, enabling a tungsten filament for weaving a net to penetrate through a palm sheet and a reed, wherein the palm sheet is divided into a front sheet and a rear sheet; s3, uniformly adhering the warp yarns penetrating through the palm sheet and the reed to an adhesive tape; and S4, driving the weft yarns to weave through reciprocating motion of the rapier belt.

The utility model provides a miniature CVD furnace suitable for in-situ analysis, and the miniature CVD furnace comprises a flange support I, a flange support II, a heating furnace assembly, an optical microscope, an adjusting assembly and a circuit control assembly.Compared with the prior art, the miniature CVD furnace has the beneficial effects that a heating element I and a heating element II are mounted in the heating furnace assembly; the heating element I and the heating element II both take silicon nitride ceramics as matrixes and tungsten filaments as heating sources, can quickly heat up to 1100 DEG C, have the characteristics of instant high temperature, high speed, high efficiency and long service life, ensure the normal work of the heating element I and the heating element II, prolong the service life of the heating element I and the heating element II, reduce the frequency of maintenance and replacement, adjust the arrangement of components, and improve the production efficiency. The purpose of accurately adjusting the distance between the first heating part and the second heating part can be achieved, the gap between the first heating part and the second heating part can be adjusted, new materials with different thicknesses can be generated by adjusting the distance between the first heating part and the second heating part through the adjusting assembly, and research is facilitated.

The invention discloses a gun emitting device of a tungsten filament scanning electron microscope. The gun emitting device comprises an emitting end vacuum cavity, a ceramic electrifying suite, a cathode assembly, a transmission module, an isolating valve and an outlet blind plate, the outlet blind plate is mounted on the end face of the rectangular boss of the transmitting end vacuum cavity; an extraction opening is formed in the opposite side of the rectangular boss of the transmitting end vacuum cavity; the ceramic power-on suite is mounted on the first step end surface of the transmitting end vacuum cavity; the isolating valve is mounted on the end face of a flange plate at the bottom of the transmitting end vacuum cavity to isolate the transmitting end vacuum cavity from other cavities of the electron microscope; the transmission module is fixed on the transmitting terminal vacuum cavity, and the cathode assembly installed on the transmission module can be driven by the motor to move back and forth to the atmosphere side and the vacuum side of the transmitting terminal vacuum cavity to replace the tungsten filament. The precision is high when the tungsten filament is installed, the tungsten filament is convenient to disassemble in the process of replacing the tungsten filament, and the equipment recovery time is shortened.

The utility model provides a tungsten filament wire guide pulley convenient to install, which comprises a pulley central tube, pulley outer rings, a rotatable support reinforcing rod structure and a supportable reinforcing frame structure, and the pulley outer rings are respectively arranged at the front end and the rear end of the outer ring of the pulley central tube. The pulley center pipe, the pulley outer ring, the reinforcing frame, the inserting block, the fixing rod and the supporting roller are arranged in a matched mode, the pulley outer ring can be arranged at the upper end of the supporting roller in the using process, supporting work can be conveniently carried out in the using process, and meanwhile the carrying force of the pulley can be conveniently improved; the pulley center pipe, the pulley outer ring, the shielding plate, the handheld plate, the reinforcing rod and the contact ball body are arranged in a matched mode, the reinforcing rod can penetrate through the middle position of the interior of the pulley center pipe in the using process, the movable pulley can be conveniently lifted to move in the mounting process, and meanwhile the pulley center pipe can be conveniently reinforced through the reinforcing rod.

The utility model discloses a ruby tungsten filament light wave tube easy to assemble, which comprises a ruby tungsten filament light wave tube main body easy to assemble, two ends of the ruby tungsten filament light wave tube main body easy to assemble are respectively provided with a fixed connecting plug and a telescopic fixed connecting plug, and the fixed connecting plug is connected with a lead. The telescopic fixed connecting plug is composed of a positioning rod, a spring and a sliding sleeve, the positioning rod is fixedly connected with the ruby tungsten filament light wave tube body easy to assemble, and the positioning rod is sleeved with the sliding sleeve; the fixed connecting plug and the telescopic fixed connecting plug are arranged at the two ends of the connector respectively, the length of the fixed connecting plug is fixed, the length of the telescopic fixed connecting plug can be changed, and during assembly, the fixed connecting plug is inserted into the mounting hole in one side firstly, then the telescopic fixed connecting plug is compressed, and the fixed connecting plug is inserted into the mounting hole in the other side. By means of the structure, installation is carried out without the help of other parts, disassembly and assembly are easy, and replacement is convenient.

1. Name of the Design Product: Aromatherapy Tungsten Filament Lamp. 2. Use of the Design Product: For aromatherapy and night light illumination. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The utility model provides a diamond fretsaw, which belongs to the technical field of diamond fretsaws and comprises a substrate layer, the substrate layer comprises alloy steel and tungsten filaments, the tungsten filaments and the alloy steel are twisted, an electroplated layer I is arranged on the outer surface of the substrate layer, a resin layer is arranged on the outer surface of the electroplated layer I, and diamond particles are uniformly laid on the resin layer. The outer surfaces of the diamond particles are provided with second electroplated layers, and the protruding ends of the diamond particles are located on the outer surfaces of the second electroplated layers. According to the utility model, the fretsaw can bear larger cutting force, so that the condition that the fretsaw is broken is avoided, and meanwhile, the falling of diamond particles is reduced.

The utility model discloses a single-layer charge module, which relates to the technical field of charge modules and comprises a frame body, one side of the inside of the frame body is provided with a power connection block, one side of the power connection block is provided with a connecting groove, one end of the connecting groove is uniformly provided with a plurality of iron rods, the other ends of the iron rods are fixed on the other side of the inside of the frame body, and tungsten filaments are arranged among the iron rods. And the other end of the tungsten filament is also fixed on the other side in the frame body. According to the single-layer charge module provided by the utility model, through the arrangement of the through groove, after the power connection block is disconnected from the iron rod and the tungsten filament, gas is blown into the iron rod and the tungsten filament from the through groove, dust on the iron rod and the tungsten filament is completely blown out, the cleaning efficiency is improved, and the use efficiency of the charge module is improved.

The invention discloses a ground simulation satellite and a triaxial centroid fine tuning mechanism thereof, comprising a satellite integral frame, the top of the satellite integral frame is provided with a tungsten filament clamping member housing, the interior of the satellite integral frame is provided with a centroid fine tuning mechanism, the top of the centroid fine tuning mechanism is provided with a horizontal centroid adjusting mass block, and the horizontal centroid adjusting mass block is provided with a tungsten filament clamping member housing. A horizontal mass center adjusting mass block base is mounted on the lower surface of the horizontal mass center adjusting mass block; the three-axis adjusting structure is arranged, the adjusting direction of the horizontal mass center adjusting mechanism is arranged along the X-axis and the Y-axis of the satellite, the horizontal direction position of the mass block can be adjusted, then the mass center of the satellite in the X-axis and the Y-axis is adjusted, the adjusting direction of the vertical mass center adjusting mechanism is arranged along the Z-axis of the satellite, and the vertical direction position of the mass block can be adjusted. And the horizontal mass center adjusting mechanism and the vertical mass center adjusting mechanism are matched with each other, so that three-axis adjustment is realized.

The utility model provides a novel tungsten filament surface zinc and silicon dioxide particle composite plating device. The novel tungsten filament surface zinc and silicon dioxide particle composite plating device comprises a flushing assembly, a screening assembly and a backflow assembly, the flushing assembly comprises a flushing pool, a water spraying pipe is arranged on the upper portion of the inner side wall of the flushing pool, and a plurality of nozzles are connected to the side wall of the water spraying pipe; the screening assembly comprises a filtering membrane, and the filtering membrane is arranged on the lower side of the interior of the flushing pool; and the backflow assembly is used for extracting and conveying the filtered electroplating liquid. According to the device disclosed by the utility model, the tungsten filament subjected to composite plating is placed in the flushing tank, water flow is sprayed out from the nozzles after passing through the water spraying pipe, the tungsten filament is flushed, electroplating liquid brought out by the tungsten filament is removed, the water flow containing the electroplating liquid falls on the filter membrane, the electroplating liquid is filtered out, and then the electroplating liquid is conveyed back into the electroplating bath by the pump body 1. Therefore, the tungsten filament is quickly cleaned, the carried electroplating liquid flows back to the electroplating bath, and the problem of waste of the electroplating liquid is avoided.

The invention discloses a PVB film wire distributing device and method, and relates to the technical field of PVB film machining, the PVB film wire distributing device comprises a main body arranged on a workbench and a wire feeding mechanism arranged on the main body and used for conveying tungsten wires, the main body is further provided with a pressing wheel and a heating mechanism, and the pressing wheel is rotationally connected to the main body and used for forcing the tungsten wires to be embedded into a PVB film; the heating mechanism is used for heating the pressing wheel, and in the process that the pressing wheel forces the tungsten filament to be embedded into the PVB film, the pressing wheel heats the PVB film. According to the PVB film wire distribution device and method, when the main body is close to the PVB film, a tungsten wire can be forced to be embedded into the PVB film through the pressing wheel, in the moving process of the main body, the pressing wheel can move on the PVB film and distribute the tungsten wire, in the tungsten wire distribution process, the pressing wheel can heat the PVB film so as to reduce the hardness of the PVB film, and the PVB film is prevented from being damaged. Therefore, the difficulty that the tungsten filament is embedded into the PVB film is reduced, the pressing wheel can keep small pressure so that the tungsten filament can be tightly embedded into the PVB film, and the filament distribution efficiency is further improved.

The utility model discloses a tungsten wire diamond wire drying box which comprises a box body, a heating assembly, an axial flow fan and a temperature controller. The box body comprises a shell, an inner container and a plurality of interlayer frames. The inner container and the shell are arranged in the shell in a matched mode, and the interlayer frames are evenly arranged between a left side plate and a right side plate of the inner container. The heating assembly comprises a plurality of electric heating pipes and thermocouples; the plurality of electric heating pipes are uniformly arranged in the interlayers at the left, right and bottom of the liner; the thermocouples are evenly arranged on any side of the inner container at intervals, the axial flow fan is arranged in the center of the top of the box body, and the temperature controller is arranged on one side of a front panel of the box body. The wire drying device is simple in structure and convenient to manufacture, and the cleanliness of wires is guaranteed through drying in the closed box body; the axial flow fan is matched with the inner container structure, internal hot air flows evenly, the temperature field in the box body is even and stable, it is guaranteed that the drying effects of different parts on the tungsten wire diamond wire reel are consistent, and the product quality is guaranteed.

The invention relates to the technical field of metal wire deep processing, in particular to aquadag for superfine tungsten filament high-temperature drawing and a preparation method of the aquadag. The preparation method comprises the following steps: adding a dispersing agent, ammonia water and graphite powder into ultrapure water, pre-dispersing by using a dispersing disc, adding a stabilizer, a lubrication enhancer, a thickening agent and an adhesive, uniformly mixing, and sanding the mixed solution in a sand mill to obtain aquadag; according to the aquadag for high-temperature drawing of the superfine tungsten filament and the preparation method of the aquadag, the aquadag has good storage stability and excellent lubricating effect, in the high-temperature drawing process of the tungsten filament, the aquadag can uniformly cover the surface of the tungsten filament to form a compact graphite layer, and the superfine tungsten filament obtained after high-temperature drawing is small in wire diameter (smaller than or equal to 36 micrometers), large in ring diameter (larger than or equal to 30 mm) and low in wire drawing breakage rate (2.1%); the wire drawing qualification rate is high (92.6%), and the method is suitable for large-scale drawing production of superfine tungsten wires; the aquadag has few organic components, ash content generated after high-temperature drawing is low, the production method is simple, and the cost is low.

The utility model discloses a device for preparing a thin film material by thermal evaporation and electron beam composite epitaxial deposition, which comprises a rack main body, a vacuum cavity and a vacuum pump, the vacuum pump is used for vacuum operation in the vacuum cavity, a cover body is arranged on the vacuum cavity, and the device also comprises a variable temperature sample table arranged in the vacuum cavity, the electron beam evaporation structure is mounted, and a deposition preparation source material is placed; the resistance heat evaporation source is arranged in the vacuum cavity and located under the variable-temperature sample table, the electron beam evaporation structure comprises a sample support, a substrate embedded in the upper surface of the sample support and a tungsten filament clamping plate used for installing a plurality of groups of tungsten filaments, and the tungsten filaments emit electrons to bombard the sample support to heat and prepare a thin film material. The device can support two film material preparation methods of thermal evaporation and electron beam evaporation at the same time, so that the purpose of multifunctional deposition epitaxy is achieved, and material preparation under different process requirements can be met.

The present invention discloses a highly efficient tungsten filament cleaning device, comprising a shielding plate and a placement roller. The placement roller is used to place the tungsten filament to be cleaned. Both ends of the placement roller are rotatably connected to a cleaning box. The top of the cleaning box is rotatably connected to the shielding plate. The cleaning box is fixedly connected to an assembly component near the placement roller. The outer surface of the cleaning box is fixedly connected to a flushing component. The flushing component is fixedly connected to a protective component near the placement roller. The present invention relates to the field of tungsten filament cleaning technology. The highly efficient tungsten filament cleaning device allows staff to inspect the internal components of the device at any time. The filter plate in the cleaning box can filter the water flow dropped from the flushing component, preventing impurities from accumulating on the surface of the filter plate and causing blockage that affects the filtration of the flushing liquid, thereby improving the cleaning quality of the tungsten filament. The tension force during tungsten filament cleaning can be adjusted to prevent the tungsten filament from breaking during cleaning.

The invention belongs to the technical field of tungsten filament processing and production, and particularly relates to a tungsten filament electroplating brass production device and method.The tungsten filament electroplating brass production device comprises a surface treatment device, and the surface treatment device comprises a cleaning tank, a first box body and a first circulation pipeline arranged between the cleaning tank and the first box body; an ultrasonic device and a polar plate are arranged in the cleaning tank; the pre-plating device is used for plating nickel on the surface of the tungsten filament; the copper plating device is used for plating copper on the surface of the tungsten filament; the galvanizing device is used for galvanizing the surface of the tungsten filament; each of the copper plating device and the zinc plating device comprises an upper electrolytic bath, a lower electrolytic bath, a second box body and a second circulating pipeline arranged between the two electrolytic baths; the tungsten filament is wound between the two winding rollers and penetrates through the two electrolytic cells; the heat diffusion device is used for heating the surface of the tungsten filament; the cleaning device cleans the surface of the tungsten filament. Through cooperation of electrolytic degreasing, alkali chemical degreasing and ultrasonic waves, oil stain treatment on the surface of the tungsten filament is more thorough, the tungsten filament is wound on the winding roller for multiple times so that the tungsten filament can penetrate through the two electrolytic cells for multiple times, and then the occupied space of the equipment is effectively reduced.

The utility model relates to the technical field of diamond wire processing equipment, in particular to a tungsten filament multi-wire sanding device, which is characterized in that a washing and drying mechanism comprises a second washing tank and a plurality of baking ovens which are sequentially connected along the moving direction of a diamond wire; the second washing tank comprises a second cold water tank, an ultrasonic cleaning tank and a second hot water tank which are sequentially arranged in the moving direction of the diamond wire, and a fourth ultrasonic vibration plate is arranged in the ultrasonic cleaning tank. A plurality of diamond wires are subjected to cold water cleaning, ultrasonic cleaning and hot water cleaning, so that the diamond wires are cleaned for multiple times, stains on the surfaces are removed, and the cleaning efficiency of the diamond wires is greatly improved. Besides, after water washing is completed, the diamond wires sequentially penetrate through the multiple baking boxes, the surfaces of the diamond wires are fully dried, drying can be more thorough, and automatic water washing and drying treatment on the diamond wires is achieved under the cooperation of the groove bodies and the multiple baking boxes.

The present invention belongs to the technical field of tungsten filaments, and specifically relates to a laves-phase precipitation-strengthened tungsten filament comprising a tungsten matrix, oxides dispersed therein, and an in-situ formed laves-strengthening phase. The laves-strengthening phase comprises NiW2, WFe2, and WZr2; the oxides are ZrO2 and CeO2. In the laves-phase precipitation-strengthened tungsten filament, the Ni content is 0.2-0.6 wt%, the Fe content is 0.2-0.6 wt%, the Zr content is 0.3-0.8 wt%, the Ce content is 0.1-1.2 wt%, and the balance is tungsten. The present invention also relates to an in-situ synthesis method for the tungsten filament. The process described in the present invention can improve the performance of the tungsten filament.