45results about How to "Avoid microcracks" patented technology

This invention discloses a method for preparing high-purity oxygen-free copper, relating to the field of metallurgical technology. The method includes multi-stage electrolytic refining, gradient-heating vacuum melting, inert gas-protected refining, electron beam melting, hydrogen plasma arc melting, directional solidification, and post-treatment steps. The multi-stage electrolytic refining utilizes a specific component electrolyte and periodically commutated current; vacuum melting is combined with bidirectional electromagnetic stirring; inert gas-protected refining is combined with a gradient reduction composite covering agent; electron beam and hydrogen plasma arc melting achieve deep purification and deoxidation; and directional solidification and two-stage annealing ensure product performance. The high-purity oxygen-free copper prepared by this invention has a conductivity of 102.3% IACS, a copper content ≥99.9999%, and an oxygen content <1.0 ppm. It exhibits high purity, low oxygen content, and excellent conductivity. The process is stable and controllable, making it suitable for high-end electronics applications.

The application discloses a full-wrapping concrete truss structure and a construction method thereof, and belongs to the technical field of building structures. The full-wrapping concrete truss structure comprises a steel pipe truss assembly arranged between a plurality of steel plates, a wrapping assembly arranged outside the steel pipe truss assembly, and a concrete layer arranged outside the wrapping assembly. The construction method comprises the following steps: S1, preparing a top chord, a bottom chord, a vertical rod and a horizontal rod, wrapping the rods with a reinforcing mesh and welding to obtain a steel pipe truss shell; S2, arranging a diagonal web member assembly inside the shell and arranging a connecting mesh outside the shell to form a steel pipe truss monomer; S3, bolt connecting a plurality of monomers and bolt connecting the steel plates and the monomers at edges to form a steel pipe truss structure; and S4, vibrating the steel pipe truss structure after concrete partition pouring to obtain the full-wrapping concrete truss structure. The application can realize full wrapping of the steel pipe, ensure that the concrete layer is tightly bonded with the steel pipe, and improve the stability and safety of the structure.

This invention discloses a refractory high-entropy alloy resistant to high-temperature molten aluminum corrosion and erosion-wear, its preparation method, and its applications. The refractory high-entropy alloy of this invention comprises, by atomic percentage: 40-50 at.% Nb, 35-40 at.% Ti, 4-10 at.% Mo, 4.5-5 at.% Cr, and no more than 10 at.% Al. This invention obtains the refractory high-entropy alloy by mixing and melting the raw materials under a protective atmosphere. The refractory high-entropy alloy ingot of this invention has a single-phase BCC microstructure, exhibiting stable structure, good mechanical properties, and excellent resistance to molten aluminum corrosion and erosion-wear. The Nb-Ti-Mo-Cr based refractory high-entropy alloy resistant to molten aluminum corrosion and erosion-wear prepared using this invention can significantly improve the service life of components, reduce replacement frequency, and has high economic benefits.

The invention relates to an energy storage device and a power utilization system. The energy storage device comprises a shell, an electrode assembly, an end cover assembly and a binding piece, wherein the shell is provided with an accommodating cavity; the electrode assembly is arranged in the accommodating cavity, the electrode assembly comprises a plurality of tabs and an electrode main body which are electrically connected, and the tabs and the electrode main body are arranged along a first direction; the end cover assembly is arranged on one side of the shell and used for sealing the containing cavity. The binding piece is positioned between the end cover assembly and the electrode main body; the binding piece is provided with a penetrating hole, and the penetrating hole penetrates through the two opposite surfaces of the binding piece in the first direction. The penetrating hole extends along a second direction, the plurality of tabs penetrate through the penetrating hole, and the first direction is intersected with the second direction; the penetrating hole is provided with a first side wall and a second side wall which are oppositely arranged in the second direction, and in the second direction, the distance between the first side wall and the second side wall is larger than the size of the ends, close to the electrode body, of the tabs.

The invention discloses a method for mechanically shaping superfine powder, and relates to the preparation field of particle size control and morphology control of glass superfine powder, and the method comprises the following steps: 1, conveying a primarily crushed powder raw material into a multi-stage turbo-type shaping cavity which is composed of a fixed wall and a high-speed rotor, and the high-speed rotor is provided with a shaping medium; 2, synchronously applying an impact, shearing and rolling composite force field; 3, treating for 5-30 minutes in a low-temperature environment from-50 DEG C to normal temperature; 4, monitoring the sphericity degree and the particle size distribution of the powder in real time through an online particle image analyzer; 5, collecting the sphericity gt through a cyclone separator; and 0.95 of the superfine powder finished product is obtained. The sphericity gt of the powder is produced; 0.95, the surface roughness is Rat; the sphericity degree of the traditional ball milling process is generally 1t; and 0.75, microcracks generated by impact crushing are avoided through the synergistic effect of shearing and rolling.

The invention discloses a photoelectric co-packaging structure and a forming method thereof, and the forming method comprises the steps: providing a photon chip which comprises a first surface and a second surface which are opposite, and the first surface is provided with a bonding pad and an optical coupling port located at one side of the bonding pad; forming a protective layer covering the optical coupling port, wherein the protective layer exposes the bonding pad; after the protection layer is formed, forming a first welding bump on the bonding pad; an initial packaging panel is provided, the initial packaging panel comprises a third surface and a fourth surface which are opposite to each other, an electronic chip is arranged in the initial packaging panel, the third surface of the initial packaging panel is provided with a first wiring layer, and the electronic chip is electrically connected with the first wiring layer; inversely mounting the photon chip on the first wiring layer, and welding the first welding bump with the first wiring layer; an optical interface device is installed on one side of the photon chip, and the optical interface device is right opposite to the optical coupling port; and after the optical interface device is installed, the protection layer is removed, and the optical coupling port is exposed. And the optical coupling port is prevented from being damaged and polluted in the whole packaging process.

The application discloses an intelligent environment-friendly inflatable quick switch cabinet and a control method thereof, which comprises a gas tank and a vacuum circuit breaker pole arranged in the gas tank, and an insulation pull rod is arranged on the vacuum circuit breaker pole; the opening and closing of an arc extinguishing chamber contact is controlled through the insulation pull rod, so that the circuit is realized; a modular electromagnetic repulsion driving unit is mounted on the outer wall of the gas tank, and the modular electromagnetic repulsion driving unit is connected with the insulation pull rod through an output shaft penetrating through the gas tank; a capacitor group is connected with a coil, which is used for generating electromagnetic repulsion to push a repulsion disc after being electrified; the repulsion disc is rigidly connected with the output shaft, and is used for moving forward and backward under the action of the electromagnetic repulsion; the electromagnetic repulsion driving unit is isolated from the inside of the gas tank through the modular external hanging type setting, the physical breakpoint of the shell mounting interface blocks the conduction of high-frequency strain waves to the inside of the gas tank, the micro cracks of the insulation supporting part caused by mechanical impact in the environment-friendly gas environment are avoided, and the long-term insulation safety under the low dielectric strength is ensured.

This invention discloses a corrosion-resistant free-machining brass alloy, its preparation method, and its applications. The corrosion-resistant free-machining brass alloy is composed of the following components by mass percentage: Cu: 58.0~62.5%, Si: 0.3~1.2%, Ni: 0.1~0.5%, Mn: 0.3~0.7%, B: 0.005~0.025%, with the balance being Zn and unavoidable impurity elements, wherein the total content of unavoidable impurity elements is <0.3%. The brass alloy of this invention possesses excellent machinability, corrosion resistance, and mechanical properties, and is lead-free, meeting environmental protection requirements and satisfying the needs of various fields for brass alloy materials.

The present application relates to the technical field of aerated concrete preparation, and particularly relates to a method for preparing electrically conductive aerated concrete by using porous carbonized recycled aggregate and the aerated concrete. The process method first places pre-wetted recycled aggregate in a pressurized carbonization kettle, and industrial waste gas with CO2 concentration greater than or equal to 20% is introduced to react for 2-3 hours at 0.5-0.7 MPa and 60-70 DEG C to produce porous carbonized recycled aggregate. Then the porous carbonized recycled aggregate is dry-mixed with gel material, gypsum, conductive carbon black and reinforcing fibers, and then mixing water containing water reducing agent (water aggregate ratio 55-60%) is added to stir into base mortar. Then aluminum paste suspension is added to the mortar, and after stirring to start aeration, the mortar is poured into a mold. After 2-3 hours of static aeration, the mold is finally autoclaved and dried for 6-8 hours to obtain the electrically conductive aerated concrete. Through aggregate pretreatment strengthening, orderly dispersion of the conductive phase and hierarchical curing control, the present application can effectively solve the contradiction between light weight, high strength, electrical conductivity and durability, and provide a multifunctional green building material solution for airport construction.

The application discloses a carbon material cutting positioning table, a cutting equipment and a cutting process, and belongs to the technical field of carbon processing. The carbon material cutting equipment includes a carbon material cutting positioning table, a self-protection cutting mechanism and a vibration suppression protection mechanism. The application realizes coupling enhancement of positioning stability and vibration suppression efficiency in the cutting and processing of special-shaped carbon materials through deep cooperation of the material self-adaptive positioning mechanism, the special-shaped positioning assembly, the self-protection cutting mechanism and the vibration suppression protection mechanism. The overall technical effect of single mechanism independent operation is significantly better. The cutting edge collapse rate of the special-shaped carbon material is significantly reduced, the section quality is greatly improved, and automatic, self-adaptive and efficient precision cutting is realized.

The present application relates to a kind of preparation method of full solid battery double-layer ultrathin electrolyte film based on transfer printing technology.The present application utilizes the high voltage stability of halide layer and the high ionic conductivity of sulfide layer to synergistically improve the cycle life and high rate performance of battery and other performances through halide / sulfide double-layer electrolyte design.Further, the transfer printing process of multi-layer electrolyte film is designed specifically, and the gradient drying process can avoid substrate deformation, effectively prevent halide / sulfide interlayer cracking, and enhance the interlayer adhesion, achieving electrode thinning, high mechanical strength and interface stability.The present application solves the technical bottleneck of the application difficulty of double-layer electrolyte structure in full solid battery through material system optimization and transfer printing process innovation, and is suitable for the industrial production of high energy density solid state battery.

The application discloses a method and device for automatically scraping off the insulating layer of an enameled wire, and belongs to the field of mechanical processing. The method comprises the following steps: the enameled wire is passed through a guide sleeve and tightly pressed on an adjustable positioning block, so that the enameled wire is axially fixed; a driving power source is driven to continuously rotate a cam 5; through the rotation of the cam 5, a compound motion cycle is synchronously controlled to be executed by a scraper mechanism; the compound motion cycle is repeatedly executed, and is matched with the periodic rotation of the enameled wire until the insulating layer is completely scraped off. The application can efficiently and completely remove the insulating layer under the premise of guaranteeing zero damage to the wire base, and simultaneously meets the requirements of high reliability and simple operation.

The invention relates to the technical field of metal component forming and manufacturing, in particular to a real-time lubricating liquid supplementing incremental forming tool which comprises a mirror image forming machining system, a six-degree-of-freedom mechanical arm, a forming loading tool head and a flange plate rotating chuck. The forming loading tool head comprises a spherical ball head cutter, a clamping outer sleeve, a conducting inner sleeve and a detachable fixing sleeve; the clamping outer sleeve is fixed on a flange plate rotating chuck of the mechanical arm to support the forming loading tool to work; the starting end of the inner sleeve is connected with an oil conveying pipe; the detachable fixing sleeve is used for fixing the spherical ball head cutter and conducting a lubricating oil path; and the spherical ball head cutter is subjected to forming loading under the lubrication effect. The method comprises the steps of tool positioning, blank hot forming and aging treatment of a preformed part, finally, a metal forming component is obtained, and the problems that in the prior art, when thin-wall metal plate complex local small feature forming is conducted, precision is low, a tool bit is prone to damage, collapse and cracking are prone to occurring, and the structure property is uncontrollable are solved.

This utility model provides an anti-breakdown corona silicone roller, comprising: a roller body, a support tube for quick installation of a silicone sleeve fixed to the outer side of the roller body by a fixing ring, a fixing ring respectively provided at the left and right ends of the roller body, a silicone sleeve fixed to the outer wall of the support tube, the support tube including two arc plates for fixing and supporting the silicone sleeve, and a connecting plate fixed to the upper and lower sides between the two arc plates respectively. Compared with the prior art, this utility model has the following beneficial effects: by setting a ceramic layer with a thickness of 0.2-0.5mm on the outer wall of the silicone sleeve, it helps to improve the service life of the silicone sleeve; by adding a support tube and fixing rings between the roller body and the silicone sleeve, the installation and removal of the silicone sleeve becomes simple, eliminating the need to spend a lot of time and multiple people to complete the installation and removal of the silicone sleeve, thus improving the convenience of installation and removal of the silicone sleeve.

The utility model belongs to mechanical or structure part static balance test technical field, concretely relates to airtightness detection mechanism for membrane electrode and airtight integrated machine using it, include: hydraulic drive position, detection position, pull rod guide pillar, pressure head traction plate, main hydraulic cylinder, upper pressure head, lower pressure plate seat, lower pressure plate, track assembly, pressure head traction plate swing joint in pull rod guide pillar, upper pressure head is connected in the downside of pressure head traction plate. The utility model through setting in pressure head traction plate, will main hydraulic cylinder and upper pressure head change into indirect connection, will lower pressure plate and multiple lower pressure plate seat contact fit, and track assembly sets up between two lower pressure plate seats, can maximize increase lower pressure plate and lower pressure plate seat contact area, reduce the pressure intensity of lower pressure plate bottom, make it can adapt 5Mpa's high pressure airtightness test, through the way of upper pressure head and lower pressure plate cover pressure to membrane electrode fixed, through blowing gas and detecting air flow fluctuation to judge whether there is gas leakage and then acquire airtightness.

The application discloses a half-ring magnetic core with an inclined angle and a sintering process thereof. The magnetic core in a green body state comprises a half-ring magnetic core body, a connecting bridge at an opening and an interface region between the two; the connecting bridge region is filled with a mixture of Mg powder and SiO2 powder and added with B2O3 sintering aids, and the interface region is filled with a bismuthate low-melting point glass powder with a melting point of 550-650 DEG C. During preparation, sectional atmosphere sintering is adopted, the connecting bridge is densified in advance through silicon thermal reaction to inhibit sintering deformation, meanwhile, the interface glass is used to isolate and reduce thermal stress to weaken the connecting bridge, and the connecting bridge can be removed at one time in an end face grinding process; the application solves the problems of large sintering deformation of the half-ring magnetic core, difficulty in removing the connecting bridge and high high-frequency loss, significantly improves the end face precision, high-frequency performance and splicing consistency of the magnetic core, and is suitable for industrialized production in the fields of 5G communication, new energy vehicles and the like.

The invention relates to the technical field of lithium ion batteries, in particular to a molybdenum-doped ultrahigh nickel positive electrode material and a preparation method and application thereof. The preparation method of the molybdenum-doped ultra-high nickel positive electrode material comprises the following steps: obtaining an ultra-high nickel precursor; carrying out first mixing treatment on a molybdenum source and the ultrahigh nickel precursor to obtain a molybdenum-doped precursor; and carrying out second mixing treatment on the molybdenum-doped precursor and a lithium source, and carrying out sintering treatment to prepare the molybdenum-doped ultrahigh nickel positive electrode material. Through bulk phase doping of the molybdenum element in the ultrahigh nickel positive electrode material, under the condition of not depending on an external coating layer, synergistic improvement of high specific capacity, long cycle life and high thermal stability of the material is successfully realized.

This invention belongs to the field of electrical ceramics technology, and relates to a carbon ceramic composite material, its preparation method, and a resistor sheet. The composite material uses clay and kaolin as the ceramic matrix, introduces submicron graphite as the conductive phase, and incorporates nano-ceramic reinforcing powder. It is prepared through multi-stage wet mixing, spray drying granulation, and pressureless sintering under an inert atmosphere. The preparation method involves first pre-treating the material at medium temperature under vacuum to remove moisture and organic matter, followed by high-temperature sintering under inert gas protection to obtain a uniform and dense carbon ceramic composite matrix, on which electrodes and a high-resistivity layer are formed. Through the dispersion strengthening effect of the nano-ceramic reinforcing powder and the synergistic control of process parameters, the microstructure of the material is effectively improved, significantly increasing the compressive and flexural strength of the resistor sheet, reducing the risk of mechanical failure caused by electro-thermal-mechanical shocks during transportation and service, and making it suitable for use in high-voltage and ultra-high-voltage circuit breaker closing resistors.

This invention provides a fiber optic anti-loss coupling device and a method for multi-hole deployment in coal mines, belonging to the field of coal mine safety monitoring technology. Based on a PVC pipe with grooved outer wall and external and internal threads at both ends, and a grooved anti-bending guide assembly, this invention provides a fiber optic deployment device and method for drilling holes. It is suitable for the efficient and reliable deployment of distributed acoustic sensing (DAS) microseismic monitoring optical cables in coal mines, especially addressing the needs for improved bending resistance, tensile strength, and coupling quality of bottom-hole optical fibers under cement slurry sealing conditions. By improving the PVC pipe structure, guide structure, and sealing / sealing process, low-loss and high-coupling-efficiency fiber optic deployment in mines is achieved.

The utility model provides a kind of controller structure, including upper shell, lower shell, upper layer circuit board, lower layer circuit board, upper layer circuit board is connected on lower layer circuit board, lower layer circuit board is connected on lower shell, lower layer circuit board is integrated with lower layer component and power tube, lower shell main body is fixed on radiator, lower shell main body is between upper shell and radiator, upper flow-through groove is set up in the side of lower shell main body towards radiator, upper inlet and upper outlet respectively communicated with the two ends of upper flow-through groove are set up on the side wall of lower shell main body, lower flow-through groove adapted with upper flow-through groove is set up in the side of radiator towards lower shell main body, lower inlet and lower outlet respectively communicated with the two ends of lower flow-through groove are set up on the side wall of radiator, first interface is formed between lower inlet and upper inlet, second interface is formed between lower outlet and upper outlet, first interface and second interface are used to connect with the cooling system of vehicle, reach the purpose of improving heat dissipation.

The application relates to the technical field of battery material processing, and discloses a lithium battery negative electrode material processing equipment, which comprises a supporting table, four fixed rods one are fixedly connected to the top of the supporting table, a hydraulic cylinder is arranged at the top of the supporting table, the top of the four fixed rods one is fixedly connected with the bottom of the hydraulic cylinder, an electric telescopic rod is started to extend, a connecting rod and an extrusion ring are pushed to ascend, gas in an extrusion ring-shaped groove is extruded, meanwhile, the extrusion ring drives a fixing frame to ascend, pushes a gas injection assembly to move, the left side of a gas blocking rod is separated from a gas outlet groove, at this time, high-pressure gas in the ring-shaped groove is sprayed around the graphite block, the adhesion between the graphite block and a forming hole is reduced, the graphite block and the inner wall of the forming hole are separated, the pushing force during demolding of the graphite block is reduced, the graphite block is effectively prevented from being caused to have microcracks due to excessive pushing force during demolding, the cracks caused by high temperature during graphitization are avoided from being increased, and the integrity of the graphite block during graphitization is ensured.

This utility model relates to the field of piston rod assembly technology, and in particular to an automatic piston rod assembly equipment for valve assemblies. It includes a switching mechanism mounted on a frame, and a piston rod feeding mechanism, a nut loading mechanism, a nut clamping mechanism, and a piston rod unloading mechanism are arranged sequentially along the circumferential rotation direction of the switching mechanism. This solves the technical problems of traditional assembly requiring multiple manual interventions, resulting in long production cycles. For example, manual rotation and positioning of the tooling rotation mechanism is time-consuming and prone to errors.

The invention relates to a cutting device and method for fusion shrinkage and stretching of an optical fiber preform. The device comprises a stand column, an up-down lifting device and a lifting seat are arranged on the stand column, the up-down lifting device is connected with a lifting driving device, an annular guide rail is arranged on the lifting seat, a rotating seat is arranged on the annular guide rail, and the rotating seat is connected with the lifting driving device. And a laser cutter is arranged on the rotating seat. Through laser automatic annular layered cutting, a notch of the glass optical fiber preform is straight and smooth, glass burrs and microcracks are avoided, the adverse effect of cutting of other cutters on the cutting part of the preform is avoided, and the perpendicularity of the cutting surface and the preform can be ensured through synchronous downward movement of the laser and the optical fiber preform; the cutting quality is obviously improved, and the device can be used for cutting solid-core optical fiber preforms and is more suitable for cutting hollow-core optical fiber preforms; cutting is conducted in a mode synchronous with melting shrinkage stretching, stretching is not affected, the cutting speed is high, and the stretching cutting work efficiency is effectively improved.

The application provides a temperature sensor for energy storage battery which is suitable for high temperature and salt conditions, comprising an inner shell, an outer shell, a temperature sensor and two outer leads. The hardness and insulation of the inner shell are higher than those of the outer shell. The temperature sensor for energy storage battery which is suitable for high temperature and salt conditions further comprises a first filling glue and a second filling glue, and the flexibility and stress buffering capacity of the second filling glue are higher than those of the first filling glue. The composite structure of 'rigidity and flexibility' is adopted, that is, the inner shell with high hardness and high insulation forms an internal support and insulation core with the first filling glue to protect the internal structure, and the second filling glue with higher flexibility and stress buffering capacity serves as an intermediate layer to absorb and dissipate mechanical stress and thermal stress from the outer shell, thereby reducing the impact on the internal core. In addition, the outer shell with toughness provides mechanical protection to withstand torsion, impact and external pressure and protect the fragile inner shell and its internal structure.

The application discloses a blue vitriol oral colon release preparation, a preparation method and application thereof, and belongs to the technical field of medicines, and comprises a blue vitriol granule core, an isolation layer and a colon positioning coating layer; the isolation layer is completely coated on the surface of the blue vitriol granule core; the colon positioning coating layer is coated on the surface of the isolation layer; and the administration mode of the preparation is: releasing through oral administration directly to the colon. The application adopts the above-mentioned blue vitriol oral colon release preparation, the preparation method and application thereof, and solves key problems such as coating defects, drug degradation and insufficient release precision in the colon target delivery of the blue vitriol through a trinity technical scheme of a complete isolation layer, critical colon coating weight increase and a fluidized bed bottom spraying process, so that the active ingredients of the blue vitriol can act on the lesion site in the colon environment in an integrated chemical form and with sufficient dosage, and high-efficiency, safe and stable ulcerative colitis treatment effects are achieved.

The utility model discloses a circulating type rubber plug cleaning machine which comprises a cleaning carrier, the cleaning carrier comprises an outer cylinder and an inner cylinder fixedly installed in the outer cylinder, the inner cylinder is provided with a water through hole, the side wall of the bottom end of the outer cylinder is provided with a drain outlet, and the drain outlet is in threaded connection with a sealing cover; the ultrasonic cleaning mechanism comprises an ultrasonic generator mounted on the side wall of the cavity between the outer cylinder and the inner cylinder; and the washing mechanism comprises a water spraying assembly and a vortex washing assembly. Ultrasonic cleaning, water spraying cleaning and vortex flushing cleaning modes are comprehensively used, stubborn stains and microorganisms on the surface of the rubber plug can be effectively removed, and compared with traditional hard scrubbing or high-speed friction, water flow and ultrasonic non-contact cleaning, the rubber plug surface precision can be better protected, and the strict sanitary requirement of the pharmaceutical industry is met.

The application discloses a wafer fixing device and a wafer drying device. The wafer fixing device comprises a fixing base and a rotating base, and the rotating base is fixedly provided with an electrostatic chuck. A plurality of centering assemblies are uniformly distributed on the circumferential side of the rotating base, each of the centering assemblies comprises an outer shell, an upper flexible pad and a lower flexible pad which are symmetrically arranged on the outer shell along the axial direction of the wafer, the outer shell can move radially along the rotating base, the upper flexible pad and the lower flexible pad are both in arc-shaped structure, and the rotating base is provided with a linear driver for driving the outer shell to move. The flexible pads are driven by the circumferential centering assemblies to form surface contact with the edge of the wafer, high-precision centering and stress dispersion are realized, the wafer is finally fixed by the electrostatic chuck, then the wafer is driven to rotate at high speed and is dried in cooperation with nitrogen blowing, and the wafer is ensured to be clean and undamaged.

The application provides a ceramic capacitor encapsulation process, which comprises the following steps: S1, encapsulating a 0.8mm-1.0mm insulating paint layer on the surface of a ceramic capacitor; S2, coating a 1.6mm-1.8mm hyperbranched epoxy resin layer on the surface of the capacitor obtained in step S1; and S3, coating a 0.4mm-0.6mm bisphenol A type epoxy resin layer on the surface of the capacitor obtained in step S2. The application adopts three different encapsulation materials for three times of encapsulation, simultaneously optimizes the thickness of each encapsulation layer, fully utilizes the characteristics of the three encapsulation materials, can significantly reduce the residual stress of the encapsulation layer, improves the interfacial bonding force between the encapsulation layer and the ceramic capacitor, reduces the cracking risk, improves the stability and reliability of the ceramic capacitor, and further improves the voltage resistance strength of the ceramic capacitor.

This invention discloses an ultrasonic vibration electrolytic grinding composite spindle component in the field of grinding composite spindle technology, comprising an insulating shell; a hollow spindle rotor; an ultrasonic vibration mechanism connected to the hollow spindle rotor and used to generate and transmit axial ultrasonic vibration; a rotary drive device for driving the hollow spindle rotor and the ultrasonic vibration mechanism to rotate together; and an electrolysis mechanism including a conductive slip ring and an electrolyte delivery assembly, the electrolyte delivery assembly being used to deliver electrolyte to the grinding area at the front end of the hollow spindle rotor; wherein, the first electrical channel of the conductive slip ring is electrically connected to the ultrasonic vibration mechanism for transmitting high-frequency electrical signals; the second electrical channel of the conductive slip ring is electrically connected to the tool mounting end of the hollow spindle rotor for transmitting direct current for electrolytic machining. This composite spindle component, by integrating ultrasonic vibration, electrolytic machining, and high-speed grinding processes, overcomes the fundamental technical bottlenecks of low material removal rate, severe thermal damage, and rapid tool wear in traditional single ultrasonic grinding.