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28results about How to "Improve manufacturing efficiency" patented technology

Battery pack

The utility model discloses a battery pack which comprises a shell, a battery pack, a reinforcing layer and fixing glue, and the shell is provided with an accommodating cavity; the battery pack is arranged in the accommodating cavity; the reinforcing layer is arranged at the discharge end of the battery pack, and a channel hole is formed in the reinforcing layer; and the fixing glue is filled in the accommodating cavity and covers the reinforcing layer and the battery pack. The reinforcing layer and the battery pack are fixed through the fixing glue, so that a fixing structure of the reinforcing layer can be omitted, the design difficulty of the battery pack is reduced, the assembly process of the battery pack is simplified, the production and manufacturing efficiency is improved, and the cost is reduced; the reinforcing layer and the battery pack are fixed in all directions, so that the fixing effect of the reinforcing layer and the battery pack is improved, and the performance of the battery pack is more stable.
Owner:EVE ENERGY CO LTD

Lithium ion glass adsorbent and preparation method thereof

The invention relates to the field of lithium ion adsorption, in particular to a lithium ion glass adsorbent and a preparation method thereof. The component of the lithium ion glass adsorbent provided by the invention is Al2O3-SiO2-TiO2-ZrO2-Na2O-K2O-CeO2, and the lithium ion glass adsorbent is prepared from the following raw materials: Al2O3, SiO2, TiO2, ZrO2, Na2CO3, K2CO3 and CeO2; the mass ratio of the Al2O3 to the SiO2 to the TiO2 to the ZrO2 to the Na2CO3 to the K2CO3 to the CeO2 is (5 to 10) to (20 to 40) to (3 to 10) to (2 to 7) to (15 to 35) to (0.01 to 5) to (0.01 to 0.05). The lithium ion glass adsorbent has an excellent lithium ion adsorption effect, and the solution does not generate precipitates after adsorption, so that the lithium ion glass adsorbent has an excellent actual use effect.
Owner:SHANGHAI CHAOSHANG POWDER MATERIAL CO LTD

Diaphragm, battery and electric equipment

The utility model relates to the technical field of batteries, in particular to a diaphragm, a battery and electric equipment, the diaphragm comprises a diaphragm body and a lug boss, the lug boss is connected with the diaphragm body, and the lug boss is used for being matched with a pole piece. According to the diaphragm, the battery and the electric equipment disclosed by the utility model, the convex part is arranged on the diaphragm body, so that the diaphragm body with the convex part can be matched with the pole piece comprising the etched concave part in a concave-convex manner; the long circulation capability of the battery is effectively improved, the service life of the battery is prolonged, the safety performance of the battery is improved, the capacity retention rate of the battery is improved, and the production and preparation efficiency is improved.
Owner:JIANGSU ZENIO NEW ENERGY BATTERY TECH CO LTD

An edge strip surface modification treatment apparatus

ActiveCN224736897UImprove processing efficiencyImprove manufacturing efficiency
This utility model provides a surface modification treatment device for edge banding strips, comprising a chassis and a centrifugal fan, transformer, electrode assembly, lifting drive cylinder, and control box mounted on the chassis. The top of the chassis has a groove with a suction hole at the bottom. The centrifugal fan is connected to an external power source, its inlet is connected to the suction hole, and its outlet is connected to an external environmental emission channel. The transformer is electrically connected to the control box, its power input terminal is connected to an external power source, and its power output terminal is connected to the electrode assembly. The electrode assembly includes an electrode protective cover, a positive electrode assembly installed inside the electrode protective cover, and a negative electrode tube disposed in the groove. The positive electrode assembly is connected to the high-voltage side power output terminal of the transformer; the negative electrode tube is connected to the low-voltage side power output terminal of the transformer. This utility model is safe, convenient, and environmentally friendly to operate, and provides high efficiency and good results in edge banding strip modification treatment, significantly improving the production efficiency and quality of edge banding strips, making it suitable for widespread application.
Owner:SHI YAN RUI SEN ZHI NENG ZHUANG BEI YOU XIAN GONG SI

Top cover manufacturing tool and top cover manufacturing method

The invention provides a top cover manufacturing tool and a top cover manufacturing method. The top cover manufacturing tool comprises a supporting frame and a positioning column. The supporting frame is used for supporting the first shell. And a plurality of positioning columns are arranged. The multiple positioning columns are arranged in the circumferential direction of the supporting frame at intervals. And the positioning column vertically extends. When the connecting column is welded to the first shell, the first shell is placed on the supporting frame, the positioning column penetrates through the first connecting hole, and the connecting column is arranged on the positioning column in a sleeving mode. After the connecting column is welded to the first shell, a semi-assembly is formed, the height of the positioning column is larger than that of the connecting column, the second shell is placed on the semi-assembly, and the positioning column penetrates through the second connecting hole. By means of the top cover manufacturing tool, the connecting columns can be accurately welded to the first shell and the second shell, secondary machining does not need to be conducted on the connecting columns, the first shell or the second shell, and the top cover manufacturing efficiency and quality are effectively improved.
Owner:NANTONG CIMC ENERGY EQUIP CO LTD +2

Adjustable floor thickness controller and construction method

The invention discloses an adjustable floor thickness controller and a construction method, and relates to the technical field of building construction. The adjustable floor thickness controller comprises a vertical supporting module. The vertical supporting module comprises a first plate body, a second plate body and an adjusting assembly. The adjusting assembly comprises an inserting rod, a sleeve and a locking mechanism; the sleeve is vertically and detachably connected with the first plate body; and the inserting rod is vertically and detachably connected with the second plate body. The vertical supporting assembly is simple in structure and reliable in function, the adjusting assembly can conveniently adjust the distance between the first plate body and the second plate body, so that the overall height of the vertical supporting assembly is adjusted to adapt to construction operation of floor slabs with different target thicknesses, product compatibility and adaptability are improved, product standardization is achieved, the production and manufacturing efficiency is improved, and the production cost is reduced. Materials are fully supplied, and the construction period is prevented from being delayed.
Owner:CHINA CONSTR EIGHTH ENG GRP (YANTAI) CONSTR CO LTD +1

System and method for detecting the fit of a manufactured piece

PendingCN122197203AAvoid misdiagnosis as design issuesImprove detection accuracyMachine part testingGeometric CAD
The application provides a manufacturing piece fitting detection system and a fitting detection method. The fitting detection system comprises a determination module configured to determine a plurality of to-be-detected parts in a manufacturing piece based on detection requirements; and an artificial intelligence model configured to determine a connection type between the plurality of to-be-detected parts based on the determined plurality of to-be-detected parts. The artificial intelligence model is further configured to detect a fitting relationship between the plurality of to-be-detected parts and determine whether the fitting relationship meets a design specification of the manufacturing piece according to the connection type. The fitting detection system provided by the application first determines the connection type between the to-be-detected parts by using the artificial intelligence model, and then determines whether the fitting relationship meets the requirements based on the connection type and the design specification, so that the reasonable fitting relationship in design can be avoided from being misjudged as a design problem, the accuracy of detection and judgment is improved, and the artificial intelligence model is used to automatically check whether each fitting relationship of the to-be-detected parts is reasonable, so that the detection accuracy and efficiency of the fitting relationship of the manufacturing piece are improved.
Owner:斯特兰蒂斯汽车集团

Short process preparation method of SMA spring and application thereof

PendingCN122099189AImprove manufacturing efficiencydimensionally stableWire springsFluid controlAlloy
The application discloses a short-process preparation method of SMA spring and application thereof, and relates to the field of fluid control.The method comprises the following steps: 1) installing an SMA alloy wire reel on a spring machine; 2) starting the spring machine, conveying the SMA alloy wire to a preheating area for preheating, and conveying the preheated SMA alloy wire to a spring winding processing area; and 3) winding and forming the SMA spring according to preset length and shape under the condition that the winding and forming temperature is Af+120 DEG C to Af+240 DEG C.The application adopts a hot winding mode, directly winds and forms the SMA spring under the condition that the winding and forming temperature is Af+120 DEG C to Af+240 DEG C, the spring is stable in size, does not need secondary shaping treatment, the manufacturing efficiency is remarkably improved, and the production cost is effectively reduced.
Owner:SHANGHAI TITANIUM TECH CO LTD

Efficient, energy-saving and environment-friendly Mannheim furnace device for manufacturing potassium sulfate

The invention discloses an efficient, energy-saving and environment-friendly Mannheim furnace device for manufacturing potassium sulfate, and belongs to the technical field of potassium sulfate manufacturing. The device comprises a furnace body, supporting legs, an isolation layer, a turbulence box arranged in a protection box, a combustor, a mixed gas pipe, a potassium chloride feeding pipe, a sulfuric acid feeding pipe, a potassium chloride staggered smashing assembly used for rapidly smashing blocky potassium chloride, a rotating shaft A and a dispersion rotating disc. The dispersing and discharging assembly is used for dispersing reactants to increase the reaction contact area and discharging products, the barrel body A, the barrel body B and the barrel body C are coaxially arranged, the gas turbulence mixing assembly is used for mixing combustion-supporting gas and natural gas in a turbulence mode, and the turbulence mixing driving assembly is used for driving the gas turbulence mixing assembly to work. The efficient, energy-saving and environment-friendly Mannheim furnace device is reasonable in structure, gas and combustion-supporting gas can be mixed in a forced turbulence mode, and the potassium sulfate manufacturing efficiency can be remarkably improved.
Owner:LIYANG XINGCHANG MACHINE

A core surface treatment process

ActiveCN118418043BElectroless nickel plating is convenient and fastSandblasting is sufficient and fastAbrasive machine appurtenancesAbrasive blasting machinesElectroless nickelSand blasting
The application relates to the technical field of iron core surface treatment, in particular to an iron core surface treatment process which comprises a first motor, a first driving gear disc, a fixed supporting base, a rotating adjusting main body and a sand blasting treatment main body. The first driving gear disc is rotatably arranged on the upper portion of the side end of the fixed supporting base, the first driving gear discs are fixedly connected through fixing rods, and the first motor is fixedly arranged on the side end of the fixed supporting base. The rotating adjusting main body can be used for synchronously fixing multiple iron cores, the sand blasting treatment main body can be used for fully and quickly sand blasting treating the fixed iron cores without dead angle, the rotating adjusting main body can be used for controlling and adjusting the fixed iron cores, and the whole iron core is conveniently and quickly electroplated with chemical nickel.
Owner:JIUBANG TRANSMISSION TECH (SUZHOU) CO LTD

Jig for production of graphics card

The utility model relates to a display card production jig which comprises a U-shaped supporting seat, and a base and an overturning motor are arranged on the U-shaped supporting seat. The base is located between the two opposite side walls of the U-shaped supporting seat, and the driving end of the overturning motor is connected with the base so as to drive the base to overturn forwards or reversely relative to the U-shaped supporting seat. The base is provided with a hollowed-out groove, the inner circumferential groove wall of the hollowed-out groove is provided with a flange protruding towards the interior of the hollowed-out groove, and a cavity used for containing a display card is formed between the upper surface of the flange and the inner circumferential groove wall of the hollowed-out groove; the flange is further provided with a vacuum adsorption mechanism used for adsorbing and fixing the display card. The display card is convenient to accommodate and fix, the front side and the back side of the display card are convenient to produce and machine by driving the base to overturn forwards or reversely relative to the U-shaped supporting seat, the operation convenience is improved, the production and manufacturing efficiency is also improved, the manufacturing cost of the overall structural design is low, the production investment is small, and application and popularization are facilitated.
Owner:SHENZHEN JINTAIYUAN TECH CO LTD

Method for preparing quercetin liposome

The invention relates to a method for preparing quercetin liposome, which comprises the following steps: (1) adding phospholipid, cholesterol, phospholipid polyethylene glycol and quercetin into ethanol, and dissolving to obtain an ethanol phase solution; (2) respectively pumping the ethanol phase solution obtained in the step (1) and pure water into a micro-fluidic chip from different channel inlets, and carrying out micro-mixing to obtain a quercetin liposome crude product; and (3) dialyzing the quercetin liposome crude product obtained in the step (2) by using an aqueous medium to obtain the quercetin liposome. The method avoids the use of harmful and expensive organic solvents such as trichloromethane and methanol. Compared with the existing preparation technology in the market, the preparation method disclosed by the invention is higher in safety, more environment-friendly, short in time consumption and more advantageous in production cost.
Owner:CHINA NAT TOBACCO QUALITY SUPERVISION & TEST CENT

processing apparatus

ActiveCN224602307UImprove manufacturing efficiencylow cost
The application discloses a processing equipment, comprising a processing platform, a first device is slidingly connected to a guide, and a mounting part is arranged on the first device; a second device is provided with a connecting part corresponding to the mounting part, so that the second device is connected to the first device; one of the first device and the second device is a 3D printing head, and the other is a mounting part; wherein the 3D printing head comprises a hot end for heating printing material, and the mounting part comprises a connecting head or a laser head provided with output laser; the connecting head is used for connecting a cutter assembly or a pen holder. The processing equipment of the application can realize various different processing modes, such as printing, engraving / cutting / drawing, printing while engraving / cutting / drawing, printing first and then engraving / cutting / drawing and the like, by using the same set of motion devices, such as guide rods / processing platforms and the like, with the 3D printing head and the laser head, so that various possibilities are provided for complex product manufacturing, the production and manufacturing efficiency can be further improved, and the cost is low.
Owner:SHENZHEN TUOZHU TECH CO LTD

A RSU device

The utility model discloses a kind of RSU equipment, it is related to electronic toll collection technical field;Single-chip microcontroller and ETC chip are interconnected, single-chip microcontroller is used to control ETC chip and radio frequency amplification unit, the ETC signal of vehicle-mounted unit is transmitted and received by 5.8GHZ antenna, ETC chip and radio frequency amplification circuit are interconnected, single-chip microcontroller and communication module are electrically connected, communication module and SIM card are electrically connected, and the back of the PCB board in the area of radio frequency amplification circuit is provided with heat dissipation window;The utility model integrates the two parts functions of traditional ETC RSU equipment together, it is convenient to install and use, applicable to highway and urban highway use;Reduce electromagnetic interference, inhibit power noise interference, avoid signal crosstalk, improve the stability and reliability of system, it is convenient for fault location and troubleshooting convenient, enhanced module independence, simplify wiring complexity, improve production manufacturing efficiency.
Owner:SHENZHEN SANFEI TECH CO LTD

Rapid clamping tool for heat exchanger core

The utility model relates to the technical field of heat exchanger assembly, in particular to a quick clamping tool for a heat exchanger core, which comprises a hollow tool body, a pressing block and a sliding block, the pressing block and the sliding block are connected at two ends of the tool body, the pressing block is fixedly connected with the tool body, and the sliding block is movably inserted on the tool body. The tool body is further provided with a deflectable clamp mechanism, one end of the clamp mechanism is connected to the tool body, the other end of the clamp mechanism conducts deflection movement through a hinge point, the sliding block is connected with a tensioning mechanism, the tensioning mechanism is connected with the end, conducting deflection movement, of the clamp mechanism through a connecting rod, and the tensioning mechanism and the sliding block jointly form a movable mechanism. The clamp mechanism is arranged on the tool body, so that when the clamp mechanism deflects on the tool body, the linkage movable mechanism displaces, the tool body is provided with a movable clamping point in the length direction, a heat exchanger core is conveniently clamped and released, the core clamping and transferring efficiency is improved, and the clamping requirement of the heat exchanger core is met.
Owner:SHANGHAI YIDA AIR CONDITIONER

A cleaning device for friction welding equipment

This utility model relates to the field of friction welding technology, specifically disclosing a cleaning device for friction welding equipment. The friction welding equipment includes a welding head, a tool holder, and a friction welding head. The tool holder has an internal mounting channel along its length. The friction welding head can be detachably mounted on the inner wall of the mounting channel. The welding head drives the tool holder to move, thereby driving the friction welding head to perform friction welding. The welding head has an air outlet for discharging compressed air. The cleaning device includes a connecting pipe, and an air inlet is opened on the outer wall of the tool holder, connecting to the mounting channel. The connecting pipe connects the air outlet and the air inlet. This configuration allows the welding head to drive the tool holder to move along a set trajectory, discharging compressed air sequentially through the air outlet, connecting pipe, air inlet, and mounting channel to blow away the tooling and workpiece surfaces, achieving comprehensive cleaning, improving the cleaning efficiency of the friction welding equipment, and reducing labor costs.
Owner:FAW HUAXIANG LIGHTWEIGHT TECH (CHANGCHUN) CO LTD

Atomic layer deposition equipment

The utility model belongs to the technical field of semiconductor manufacturing, and discloses atomic layer deposition equipment which comprises a preheating chamber, a process chamber, a cooling chamber and a conveying device, the preheating chamber is provided with a preheating cavity used for heating a substrate, the process chamber is provided with a reaction cavity used for depositing an atomic layer film on the heated substrate, and the conveying device is provided with a conveying device. A first gate valve is arranged between the reaction cavity and the preheating cavity, the cooling cavity is provided with a cooling cavity used for cooling substrates deposited with atomic layer films, a second gate valve is arranged between the cooling cavity and the reaction cavity, and the conveying device is used for sequentially conveying the substrates among the preheating cavity, the reaction cavity and the cooling cavity. The conveying device is provided with a first heating piece used for heating the substrate. According to the atomic layer deposition equipment provided by the utility model, the functions of substrate conveying, preheating, film deposition, cooling and the like are integrated, all procedures are sequentially and independently carried out without mutual influence, and the uniformity and the reliability of substrate heating are effectively improved.
Owner:SHENZHEN XINQIBIN TECHNOLOGY DEVELOPMENT CO LTD

Device and process for improving alkalization degree of polyaluminum chloride and content of solid aluminum oxide

The invention discloses a device and a process for improving the alkalization degree of polyaluminum chloride and the content of solid aluminum oxide, and relates to the technical field of chemical equipment, a mounting cylinder, a dispersion mechanism and a plurality of ion exchange mechanisms are arranged, so that multi-stage and alternate ion exchange and forced redispersion treatment of a high-viscosity polyaluminum chloride salt raw solution are realized, and the high-viscosity polyaluminum chloride salt is obtained. The phenomena of dead zone, bias flow and channeling caused by high viscosity characteristic in the traditional single-stage or simple multi-stage fixed bed are effectively inhibited, the flow field of the solution in each ion exchange layer tends to be uniform, and the actual effective contact time is closer to the theoretical retention time, so that the chloride ion removal rate and the alkalization degree amplification are obviously improved, and the quality of the product is improved. Meanwhile, the stability of the content of solid aluminum oxide and the quality consistency between batches of products are improved, and finally the overall quality stability and preparation efficiency of the polyaluminum chloride salt product are improved.
Owner:CHONGQING LANJIE GUANGSHUN WATER PURIFICATION MATERIAL +1

A high-temperature, high-strength molybdenum alloy with in-situ self-healing antioxidant film and its preparation method

PendingCN122081749AGood high temperature oxidation resistanceDiffusion barrierMaintainance of heating chambersSolid state diffusion coatingRare-earth elementAlloy substrate
This invention discloses a high-temperature, high-strength molybdenum alloy with an in-situ self-healing antioxidant film and its preparation method, relating to the field of high-temperature alloy thermal protection technology. The antioxidant molybdenum alloy comprises a molybdenum alloy substrate and an antioxidant coating on its surface. During high-temperature oxidation, a layer composed of MoO3, Ta2O5, and RE is formed on the surface of the molybdenum alloy substrate. m TaO n The resulting dense oxide layer protects the substrate; the antioxidant coating has at least a two-layer structure, containing RE. m TaO n The phases (Mo,Ta)Si2 and (Mo,Ta)5Si3 have at least RE in their outer layers. m TaO n The molybdenum alloy contains a (Mo,Ta)Si2 phase and at least an (Mo,Ta)5Si3 phase in the inner layer. The preparation method involves mixing Mo, Ta, and rare earth elements in a specific ratio, pressing and sintering to obtain a molybdenum alloy ingot, and then subjecting the ingot to silicon infiltration with a silicon-infiltrating agent. This invention combines matrix alloying and surface modification to produce a molybdenum alloy with excellent high-temperature oxidation resistance, meeting the requirements for high-temperature applications up to 2000℃.
Owner:NANCHANG UNIV

Novel ice maker

The embodiment of the invention provides a novel ice maker which comprises a shell, an evaporator is installed at the top of an inner cavity of the shell, an ice making box matched with the evaporator to make ice is further arranged in the inner cavity of the shell, a driving mechanism is further arranged in the inner cavity of the shell, the driving mechanism is connected with the ice making box, and the driving mechanism drives the ice making box to move. The driving mechanism can enable the ice-making box to move to the position under the evaporator and enable the bottom of the evaporator to be contained in the ice-making box, and the driving mechanism can enable the ice-making box to move out of the position under the evaporator. The ice-making box is used for conveying water to the evaporator to make ice, the ice-making box is moved away after ice making is completed, condensed ice blocks can fall off when the evaporator stops refrigerating, and the ice-making machine has the advantages of being simple in structure and high in production and manufacturing efficiency.
Owner:GUANGDONG XINBAO ELECTRICAL APPLIANCES HLDG CO LTD

Railway vehicle composite material car body roof air duct integrated structure

A rail vehicle composite material car body roof air duct integrated structure, comprising a car body roof and an interior roof, wherein a cold air duct and a hot air duct are arranged between the car body roof and the interior roof, the cold air duct and the hot air duct are divided into two independent parts through an air duct partition beam, an interior and exterior air duct partition, a cold air duct partition and an air outlet connecting piece, the main air duct and the side air duct in the original vehicle are cancelled, the number of car body parts is reduced, the production and manufacturing efficiency is improved, the whole vehicle carrying efficiency is improved, the car body structure weight is reduced, the cold and hot partition air supply of the car body main air duct is realized, the air conditioner working efficiency is improved, the design space of the car body roof air duct integrated structure is increased, different multi-layer core materials can be arranged, the sound insulation and heat insulation and the electromagnetic compatibility core material can be selected, and different functional requirements of the car body can be realized.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD

Gear-manufacturing apparatus, gear-manufacturing method, and threaded tool used in same

A gear manufacturing apparatus, which is capable of efficiently forming a tooth surface that does not suffer from breakage due to a phase shift at the start of meshing, is provided. The present invention provides a gear manufacturing apparatus configured to grind a gear workpiece 9 including teeth 90 formed on its outer circumferential surface, by meshing and rotating the gear workpiece 9 and a threaded tool 8 including one or more spiral processing teeth 80 formed on an outer circumferential surface of a base portion 8A of the tool 8, including: a control device 7 configured to execute a corner portion grinding control in which one corner portion among four corners of each tooth surface of the gear workpiece 9 is ground such that a termination 80z, which is an edge of the processing tooth 80 in a tooth trace direction, comes into contact with the gear workpiece 9, utilizing only a termination tooth surface R1 or R2 in a one-side tooth surface 811a of the processing tooth 80 or the other-side tooth surface 811b of the processing tooth 80, the termination tooth surface R1, R2 being set to include part of the termination 80z and being one closed region.
Owner:JTEKT CORP

Hydrogen sulfide production device and hydrogen sulfide production method

ActiveCN117412919BImprove manufacturing efficiency
The hydrogen sulfide production device of the present application has a reactor (1-3) having a liquid sulfur filling portion (1-2) inside; a hood heater (1-4) as a first heating mechanism for heating the liquid sulfur to generate sulfur vapor; a hydrogen supply tube (1-5) as a hydrogen supply member connected to the reactor (1-3), having a catalyst support member (1-6) disposed above the liquid sulfur filling portion (1-2) and a heat insulation member (1-7) disposed above the catalyst support member (1-6) inside the reactor (1-3).
Owner:FURUKAWA COMPANY

A storage tank for preparing Ganoderma lucidum health wine

This utility model discloses a storage tank for brewing Ganoderma lucidum health wine. The protective mechanism includes a support frame, with support legs fixedly installed on both sides and the middle of the bottom surface of the support frame. Each support leg extends vertically, and a clamp is fixedly installed on the outer wall of each support leg on the side away from the support frame. The clamp is parallel to the support frame, and there is a gap between the upper end of the clamp and the support leg. Anti-slip feet are fixedly installed on the bottom ends of adjacent support legs and clamps. A light shield is inserted into the gap between adjacent support legs and clamps. The light shield is set on the outside of the storage tank body. The inside of the light shield is filled and supported by silicone. The outside of the light shield is wrapped with black polyester cloth to block light and absorb heat, thereby insulating the tank body and blocking light, which helps to improve the brewing success rate of health wine. The light shield is detachable, so that when the storage tank is displayed, the light shield can avoid obstructing the storage tank and improve the aesthetics of the storage tank.
Owner:YANQU COUNTY YAZHIYUAN AGRICULTURAL DEVELOPMENT CO LTD +1

A surface copper metallized aluminum nitride ceramic substrate and a method of making the same

PendingCN122277278ASimple processshort preparation timesSurface cleaningTin-silver-copper
This invention belongs to the field of power device processing technology, specifically relating to an aluminum nitride ceramic substrate with copper-plated surface and its preparation method. The copper-plated aluminum nitride ceramic substrate comprises an aluminum nitride ceramic plate, a magnetron sputtered copper layer, a tin-silver-copper metal paste, and copper foil, and its composition is carried out according to the following process flow: 1) surface cleaning treatment of the aluminum nitride ceramic substrate; 2) vacuum copper plating on the surface of the aluminum nitride ceramic substrate; 3) tin-silver-copper metal paste printing; 4) stacking copper foil; 5) pre-pressing vacuum furnace welding. This invention provides a method for copper-plating aluminum nitride ceramic substrates, which offers advantages such as simple metallization operation, low welding temperature, high production efficiency, low cost, fewer porosity defects at the substrate-metal layer junction, and strong copper foil adhesion.
Owner:GOSPELL DIGITAL TECH

Welding positioning tool for buffer capacitor

The utility model relates to a welding positioning tool of a buffer capacitor, which comprises a soldering lug bottom plate, an element bottom plate, an element limiting block, a spring baffle plate, a soldering lug pressing plate and a pull rod, one end of the element bottom plate is connected with one end of the soldering lug bottom plate, the height of the element bottom plate is higher than that of the soldering lug bottom plate, and the other end of the soldering lug bottom plate is provided with the spring baffle plate. The other end of the element bottom plate is provided with an element limiting block, the soldering lug bottom plate is provided with a first soldering lug clamping groove, the element bottom plate is provided with a second soldering lug clamping groove, the soldering lug pressing plate is arranged on the soldering lug bottom plate in a sliding mode, the pull rod is connected with the soldering lug pressing plate and penetrates through the spring baffle, and the spring is arranged between the soldering lug pressing plate and the spring baffle. A heightening block is arranged on the surface of the element bottom plate and located at one end of the element bottom plate. The positioning device is simple in structure, convenient to use, accurate in positioning and high in production and manufacturing efficiency. The soldering lug is positioned through the height difference between the soldering lug bottom plate and the element bottom plate and the soldering lug clamping groove, and the capacitor element is positioned through the element limiting block and the heightening block.
Owner:WUXI HONGGUANG CAPACITOR