1026results about How to "Improve quality stability" patented technology

The invention provides a degradable plastic production method which comprises the following steps: acquiring an optimal raw material proportioning scheme, and controlling an intelligent batching system to perform automatic batching; temperature and humidity parameters of raw material storage and conveying links are obtained, and raw material pretreatment process parameters are dynamically adjusted in combination with time sequence data analysis; performing quality detection on the preprocessed raw materials, identifying defects and impurities of the raw materials by adopting machine vision and a deep learning algorithm, and removing unqualified raw materials; various raw materials are accurately weighed through an industrial robot and mixed according to the optimized formula proportion; a thermal infrared imager is adopted to monitor temperature field distribution of a plastic extrusion forming mold in real time, and finite element simulation analysis is combined to optimize mold structure design and a heating and refrigerating system; the extrusion molding process is monitored on line, material component changes are analyzed through a chemometrics model, and if degradation products exceed the standard, extrusion process parameters are adjusted or a mold is replaced.

The invention relates to the technical field of image processing, and discloses a production management method and device for a flat curved surface product. The method comprises the following steps: carrying out feature extraction processing on the surface morphology of a flat curved surface product material to obtain a curved surface feature topological graph; performing non-uniform curvature partition processing on the curved surface feature topological graph to obtain a flat curved surface product processing area division scheme, and performing variable curvature compensation path planning processing to obtain a self-adaptive processing track sequence; performing real-time curved surface error detection processing on the self-adaptive processing track sequence to obtain local morphology deviation data; performing curved surface incremental forming compensation processing on the local morphology deviation data to obtain dynamic correction parameters; and performing curved surface quality feature correlation tracing processing on the dynamic correction parameters to obtain a full-cycle quality evaluation report of the flat curved surface product. Real-time error detection, dynamic compensation and quality tracing in the machining process of the flat-curved-surface product are achieved, and therefore the machining precision and quality stability of the flat-curved-surface product are improved.

The invention discloses a force and position monitoring and analyzing system applied to a press machine, and relates to the technical field of force and position monitoring of the press machine, the force and position monitoring and analyzing system comprises a data acquisition module which is provided with a force sensor and a displacement sensor, and force and displacement data of the press machine in the punching process are monitored and acquired in real time through the force sensor and the displacement sensor. According to the force and position monitoring and analyzing system applied to the press machine, force and displacement data are accurately collected in real time through the data collecting module, the optimal action parameters of the press machine can be calculated, and the punching action of the press machine is accurately controlled; in this way, the key parameters in the stamping process can accurately reach the preset target, the product quality problem caused by parameter deviation is effectively avoided, and the quality stability and consistency of products are greatly improved; the system can quickly adjust action parameters of the press machine according to real-time monitoring and analysis results, so that the stamping process is always kept in an optimal state, time waste caused by links such as debugging and reworking is reduced, and the production efficiency is remarkably improved.

The invention provides an automatic adjustment method for gold bonding wire production parameters, and relates to the technical field of information, and the method comprises the steps: collecting a new smelting parameter data sample in real time, inputting the data sample into a parameter self-inspection neural network model, obtaining a predicted quality index value, comparing the predicted value with an actually measured quality index, and determining the production parameters of the gold bonding wire. Calculating a prediction error; and an incremental learning algorithm is adopted, online updating and fine tuning are performed on the parameter self-checking neural network model by using the newly collected data sample, and the connection weight of the parameter self-checking neural network model is adjusted according to the prediction error. Real-time self-inspection of parameters in the smelting process and dynamic prediction of quality indexes are achieved, abnormity can be found in time, production parameters can be optimized, and the quality stability and production efficiency of smelted products are effectively improved. Meanwhile, a self-adaptive optimization mechanism of the model ensures continuous improvement of prediction precision, and powerful support is provided for intelligent control of the smelting process.

The invention relates to the technical field of copper wire manufacturing control, in particular to a copper wire multi-pass rolling and annealing cooperative control method and system based on an intelligent network, and the method comprises the steps: setting a process control node according to an industrial control process, building a cooperative communication network based on the process control node, and collecting a multi-mode industrial control signal; setting a data transmission processing protocol, establishing an industrial control sensing platform, integrating multi-mode industrial control signals, and converting the multi-mode industrial control signals according to process positions to generate process operation parameters; analyzing non-linear correlation between process steps, and calculating process adjustment parameters by combining the copper wire performance indexes; according to the data transmission processing protocol, the process operation parameters are transmitted to a cooperative control center and compared with the process adjustment parameters for analysis, and a parameter cooperative control instruction is generated; and the parameter cooperative control instruction is fed back to the rolling control node and the annealing temperature control node based on the cooperative communication network for parameter correction. According to the invention, the problems of low process synergy efficiency and insufficient signal processing capability in copper wire manufacturing are effectively solved.

The invention relates to the technical field of temperature control, in particular to a traditional Chinese medicine raw material extraction process temperature control system and method.The system comprises a real-time environment monitoring module, a temperature prediction adjusting module, an abnormal temperature analysis module and a temperature control optimization response module; collecting a temperature signal of the traditional Chinese medicine raw material extraction equipment, and recording the humidity change of the extraction environment. According to the invention, through real-time acquisition and analysis of temperature and humidity data, the precision and the reaction speed of temperature regulation are further improved, so that even tiny temperature fluctuation can be detected and brought into regulation, through temperature prediction, the system can effectively predict the future temperature change trend, and through the combination of the prediction capability and the instant reaction, the real-time performance of the system is improved. The temperature in the extraction process is maintained in the optimal state, the extraction rate and quality of effective components are greatly optimized, and due to timely recognition and regulation of abnormal temperature points, potential quality problems are prevented, and energy consumption is reduced.

The invention relates to the technical field of robot teaching-free welding, and particularly discloses a robot teaching-free welding system based on visual localization and a welding method.The robot teaching-free welding system comprises a PLC, a power module, a wireless communication module and a visual localization coordinate conversion module. The path planning optimization module directly generates a welding path according to a visual positioning result, tedious operation is reduced, the problem of poor dependence and adaptability on pre-stored data is solved, the visual acquisition module and the positioning module work cooperatively, workpiece position and posture information is updated in real time, and the positioning precision is improved. The teaching-free intelligent decision-making and optimization module is combined with real-time data to adjust a path and parameters, the image processing and path planning optimization module generates a proper path according to image information for a complex workpiece, the sensor fusion module fuses vision and other sensor data, the adaptability of the system to the complex workpiece is enhanced, and the welding quality is guaranteed.

The invention provides a flow monitoring method and device for a 3D printing extruder, and relates to the technical field of additive manufacturing, and the method comprises the steps that material flow data are collected in real time through a multi-dimensional sensor array installed in the 3D printing extruder; transmitting the collected real-time flow data to a control system, and judging whether the material flow is within a preset range or not; according to the deviation between the flow data monitored in real time and the target flow, working parameters of the extruder are automatically adjusted, and adjustment is conducted through a closed-loop feedback control system till the flow is stable; and in the extrusion process, if flow data monitored in real time exceeds a normal working range, an abnormal alarm is triggered, and a corresponding fault processing program is started. The material flow can be accurately monitored in real time, and the working parameters of the extruder can be automatically adjusted according to the monitoring result, so that the stable supply of the material and the quality of the printing process are ensured.

The invention discloses a production processing data collaborative management system and method of a curtain wall single aluminum plate, and relates to the technical field of data collaborative management. According to the method, the production processing data and the quality detection data of the curtain wall single aluminum plate are collected, the dynamic time warping algorithm is adopted to analyze the time sequence data change between the working procedures, the time deviation and the performance fluctuation between the working procedures are recognized, then the working procedure coordination index is obtained, and the time synchronism and the efficiency matching degree between the working procedures are measured. And performing classification and regression analysis on the quality index of each processing procedure through a decision tree algorithm to obtain a quality stability index, and identifying and predicting quality fluctuation and abnormal modes in different procedures. And judging whether the sequence and priority of the production processes need to be adjusted or not through comprehensive analysis of the process coordination index and the quality stability index. And time inconsistency, efficiency bottleneck and quality fluctuation in the production process are identified, intelligent optimal scheduling of the production process is realized, and the collaborative management level of the production process is improved.

The invention provides a temperature control method for silk-screen printing, which belongs to the field of temperature control and comprises the following steps of: 1, acquiring real-time temperatures of all preset working areas based on a sensor; 2, acquiring historical working condition data of the printing production line, analyzing the historical working condition data, and determining the upper and lower limits of the initial temperature of each preset working area; 3, acquiring real-time working condition data of the printing production line, and determining the upper and lower limits of the optimized temperature of each preset working area in combination with the real-time temperature of the preset working area and the upper and lower limits of the initial temperature of each preset working area; 4, determining a temperature control strategy based on the optimized temperature upper and lower limits of all the preset areas, the real-time temperature and the real-time working condition data of the printing production line; and 5, the printing quality coefficient of the product is obtained, and if the preset printing quality requirement is not met, the temperature control strategy is adjusted till the preset printing quality requirement is met. And the quality stability and the production efficiency of silk-screen printing are improved.

The embodiment of the invention provides a two-stage heat exchange control method and system for a fused salt heating straight-flow type steam generator, and belongs to the technical field of industrial heat energy transmission. The method comprises the steps that real-time heat supply demand information is collected; heat supply path information in the corresponding heat supply period is determined; a joint optimization model is constructed based on the heat supply path information, and a control scheme of the two-stage heat exchange device of the fused salt heating straight-flow type steam generator is generated based on the joint optimization model; wherein the joint optimization model comprises a high-temperature fused salt flow distribution model and an incoming water temperature control model which are coupled; and executing the control scheme, and monitoring steam output information of a steam outlet of the evaporator in real time so as to control the steam output information of the steam outlet to be matched with the heat supply path information in real time. According to the scheme, dynamic coupling optimization of high-temperature molten salt flow distribution and incoming water temperature control is achieved, and the problems that in the prior art, the heat exchange efficiency is low, and the heat supply path control precision is insufficient are effectively solved.

The invention belongs to the technical field of stator processing, and discloses a stator bar less-glue insulation whole immersion process, which comprises the following steps: S1, early-stage preparation; s2, stator bar pretreatment; s3, binding a less-glue mica tape; s4, dipping treatment; s5, curing treatment; s6, cleaning and detecting; the early-stage preparation comprises material selection and equipment inspection and debugging. According to the method, the excellent performance of an insulating layer is guaranteed from the source through the epoxy resin-based solvent-free impregnating varnish with the accurate proportion, secondly, in the link of binding the mica tape with less glue, the binding tightness and uniformity of the mica tape are guaranteed by accurately setting the speed and tension of a numerical control taping machine, the insulation defect caused by poor binding is effectively avoided, and in addition, the service life of the insulating layer is prolonged. Key technical measures such as pressure impregnation, accurate temperature control and pressure maintaining in the impregnation and curing process further promote sufficient permeation of the impregnating varnish and uniform curing of the insulating layer, and the compactness and the electrical performance of the insulating layer are remarkably improved.

The embodiment of the invention provides a streaming media video coding method and device, equipment, a storage medium and a product. According to the technical scheme provided by the embodiment of the invention, the coding target code rate is determined according to the sampling bandwidth and the maximum target code rate of the current coding resolution, and the maximum instantaneous code rate is determined according to the coding target code rate, the maximum target code rate, the sampling bandwidth and the bandwidth fluctuation information; and determining the size of a coding buffer area according to the maximum instantaneous code rate and the preset constraint delay, and carrying out streaming media video coding based on a video buffer area checker according to the coding target code rate, the maximum instantaneous code rate and the size of the coding buffer area, thereby accurately estimating the network condition and the network fluctuation condition. The coding target code rate and the size of the coding buffer area are adaptively adjusted, and while the delay constraint is satisfied, the overall picture quality and the transmission stability of the video stream are effectively improved, and the video coding quality is improved.

The invention belongs to the field of fluorine-containing fine organic chemical synthesis, and particularly relates to a method for continuously and cleanly producing perfluoroolefin epoxide by using hydrogen peroxide. The invention relates to a method for continuously and cleanly producing perfluoroolefin epoxide by using hydrogen peroxide, which comprises the following steps of: reacting perfluoro-2-methyl-2-pentene serving as a raw material in the presence of a polar solvent and hydrogen peroxide serving as an oxidant under the action of a catalyst to obtain perfluoro-2-methyl-2, 3-epoxypentane. The method has the beneficial effects that the micro-reactor is used, and the oxidizing agent, the catalyst, the cocatalyst and the polar solvent are continuously introduced into the pipeline of the micro-reactor, so that the synthesis from the hexafluoropropylene dimer to the epoxy compound is completed in a short time.

The utility model relates to the technical field of electric spark cutting machines, and discloses an electric spark numerical control cutting machine alignment device which comprises a working table and a cutting machine body right facing the working table, an adjusting assembly driving the cutting machine body to ascend and descend is installed on the working table, first supporting frames parallel to each other are fixed to the two sides of the working table, and the first supporting frames are fixed to the working table. A second supporting frame and a third supporting frame which are perpendicular to the first supporting frames are fixed between the first supporting frames on the two sides, the second supporting frame and the third supporting frame are parallel to each other, a horizontal lead screw is rotationally connected to the second supporting frame, the two ends of the horizontal lead screw are in threaded connection with clamping seats, opposite threads are arranged at the two ends of the horizontal lead screw, and the clamping seats are in threaded connection with the clamping seats. Clamping plates are fixed to the adjacent sides of the clamping seats on the two sides, and pressing mechanisms are fixed to the clamping seats on the two sides and the middle of the third supporting frame. The fixture has the following advantages and effects that a workpiece can be conveniently and automatically positioned and aligned, meanwhile, the workpiece is rapidly pressed and fixed, and the machining efficiency is improved.

The invention discloses a wear-resistant ceramic tile processing glazing device which comprises a working frame, the top of the working frame is fixedly connected with a glaze slip tank, the working frame is fixedly connected with a discharging pipe, the discharging pipe is located under the glaze slip tank, a protection mechanism is arranged on the working frame, a self-adjusting mechanism is arranged on the working frame, and the self-adjusting mechanism is arranged on the working frame. The self-adjusting mechanism is located below the protection mechanism, and a bubble removing mechanism is arranged on the protection mechanism. Sputtered glaze slip is guided into a gap between the inclined plate and the hollow water absorption pad through the hollow water absorption pad, so that the overall attractiveness and quality of the ceramic tile are improved, waste of glaze can be reduced, the production cost is reduced, the device is more energy-saving and environment-friendly, meanwhile, the uniformity of a ceramic tile glaze coating is improved, and the service life of the ceramic tile is prolonged. The problem that the glaze coating on the ceramic tile is uneven due to the fact that splashing glaze slip drips on the next ceramic tile is avoided.

The invention relates to the technical field of protective fabric processing, and discloses high-performance protective fabric production cutting equipment which comprises a base and conveying rollers, the conveying rollers are symmetrically and rotationally connected to the interior of the base, a conveying belt is in transmission connection between the two conveying rollers, and a supporting plate is fixedly connected to the outer side of the base; a sliding mechanism is arranged in the supporting plate; due to the fact that the cutting edge of the cutting blade is located in the V-shaped groove in the surface of the grinding groove block, and the two sides of the cutting edge of the cutting blade are attached to the inner wall of the V-shaped groove of the grinding groove block, when the grinding groove block synchronously and horizontally slides along with the grinding sleeve, the two sides of the cutting edge of the cutting blade can be rubbed through the friction effect of the grinding groove block; and when the stable pressing plate is reset, the two sides of the cutting edge of the cutting blade are rubbed in a reciprocating circulation mode through the grinding sleeve and the grinding groove block, so that the surfaces of the two sides of the cutting edge of the cutting blade are smoother and smoother, and the sharpness of the cutting edge of the cutting blade can be improved.

The invention provides a construction method of fingerprint spectrums of katsumadai medicinal material, standard decoction and formula granules thereof, which comprises the following steps: preparing a mixed reference solution from alpinetin, pinocembrin, cardamonin and alnudinone; preparing a test solution from the alpinia katsumadai medicinal material, the standard decoction or the formula granules; respectively detecting the reference solution and the test solution by adopting a high performance liquid chromatography, and constructing fingerprints of the alpinia katsumadai medicinal material, the standard decoction and the formula granules of the alpinia katsumadai medicinal material; wherein the conditions of the high performance liquid chromatography are as follows: a mixed solution of acetonitrile and methanol is taken as a mobile phase A, a phosphoric acid aqueous solution with the volume concentration of 0.08%-0.12% is taken as a mobile phase B, and a gradient elution procedure is adopted. The method has the advantages of being simple, stable and high in specificity, and a comprehensive, effective and rapid evaluation method is provided for quality control of alpinia katsumadai medicinal materials, standard decoction and formula granules of the alpinia katsumadai medicinal materials.

The invention discloses a large steel structure surface polishing quality evaluation method, and relates to the technical field of quality evaluation. Comprising the following steps: arranging a plurality of detection areas on the surface of the large steel structure in advance, and collecting surface roughness data of each detection area in real time by adopting optical measurement equipment; statistical analysis is conducted on the surface roughness data of the multiple detection areas, and the polishing quality is evaluated; a vibration sensor is adopted to monitor the running state of the grinding tool, and the abrasion degree of the grinding tool is obtained by analyzing vibration data; and performing linkage analysis on the historical wear degree of the polishing tool and the historical surface roughness data, and making a corresponding process adjustment plan for the polishing tool. Through real-time data acquisition and intelligent analysis, potential problems can be found in time, and the quality change trend can be predicted.

The invention discloses a vacuum freeze dryer, particularly relates to the technical field of vacuum freeze drying, and comprises a drying chamber, a refrigerating system, a vacuum system, a heating system, a control system and an energy recovery device. The drying chamber is used for containing materials, the inner wall of the drying chamber is made of efficient heat insulation materials, the refrigerating system comprises a high-precision temperature sensor and an intelligent temperature controller, the refrigerating temperature fluctuation is accurately controlled within + / -1 DEG C, the vacuum degree fluctuation of the vacuum system is kept within + / -5Pa through a vacuum degree sensor and a stabilizing device, and the heating system adopts uniform heating elements. And it is ensured that the heating temperature nonuniformity is smaller than + / -1 DEG C, a control system achieves automatic drying, and an energy recovery device recovers waste cold and waste heat for other links. The problems that an existing vacuum freeze dryer is low in temperature control precision, unstable in vacuum degree, low in automation degree, low in energy utilization rate and the like are solved, the material quality can be effectively kept, the drying efficiency is improved, and energy consumption is reduced.

The invention relates to the technical field of rare earth coatings, and particularly discloses a rare earth reflective thermal insulation coating and a preparation method thereof.In the viscosity adjusting process of the rare earth reflective thermal insulation coating, firstly, a corresponding mixed material target state image is generated according to a target viscosity value input by a user; carrying out image feature extraction and feature enhancement processing on the mixed material target state image and the actual mixed material surface state image by adopting an image processing technology based on deep learning so as to extract material surface state features of the mixed material target state image and the actual mixed material surface state image; and the application amount of the thickening agent is intelligently recommended based on the characteristic difference between the actual surface state of the mixed material and the target state. In this way, optimal control over the application amount of the thickening agent can be achieved, and the production efficiency and the quality stability of the coating are improved.

The invention discloses a production optimization method and system for animal blood-made protein powder, particularly relates to the technical field of production monitoring, and aims to solve the problem that the existing method is difficult to effectively identify the potential hidden danger of the cavitation effect caused by ultrasonic waves in the production process of the animal blood-made protein powder. The method comprises the following steps: capturing harmonic characteristics of ultrasonic signals, and identifying an acoustic energy dense region in combination with a spectrum analysis algorithm; constructing a turbulence disturbance intensity graph model, and analyzing the distribution characteristic change of the dissolved gas in combination with a graph embedding learning algorithm; determining a cavitation potential risk area based on the identified first and second potential risk areas; in the cavitation potential risk area, the comprehensive influence of the bubble group synergistic effect and the heat effect is evaluated by analyzing the complexity of bubble interaction energy distribution and the diffusion degree of local high temperature; and finally, determining a cavitation hidden danger caused by ultrasonic waves by calculating a cavitation influence coefficient, and optimizing production process parameters according to a determination result.

The utility model relates to a vibration exciter assembly line. Comprising a rack platform, a moving platform is installed on the rack platform, a rotating platform is arranged on the moving platform, an overturning platform is arranged on the rotating platform, a box body is arranged on the overturning platform, and a four-column three-cross-beam hydraulic work station is arranged on the front portion of the moving platform. A bearing clamping and feeding mechanism, a main shaft clamping and feeding mechanism and a gear clamping and feeding mechanism are respectively mounted on two sides of a rack platform below the four-column three-cross-beam hydraulic workstation machine; an oil retainer assembly unit, a shaft sleeve assembly unit, an automatic gluing unit, a through hole cover assembly unit, an automatic bolt assembly unit, a labyrinth cover assembly unit, a spacer bush assembly unit, an eccentric block assembly unit and an unloading point are sequentially arranged on the front portion of the gear clamping and feeding mechanism. The device has the advantages of saving a large amount of space, conforming to an intensive production mode, liberating manpower, occupying a small space and improving the working efficiency.

The invention belongs to the technical field of mechanical automatic machining, and discloses a valve sealing ring belt grinding flexible device and method.The device comprises a grinding mechanism assembly, a clip spindle, a remodeling clamping jaw, a cleaning machine, a remodeling charging tray and an industrial personal computer, and the clip spindle, the remodeling clamping jaw, the cleaning machine and the remodeling charging tray are arranged on the same table top; the industrial personal computer is connected with and controls the cartridge holder main shaft to rotate, the cartridge holder main shaft is provided with an interface for installing a grinding rod, the grinding mechanism assembly is arranged right above the cartridge holder main shaft, the grinding mechanism assembly is provided with a clamping jaw for clamping a part shell, and the working end of the clamping jaw is provided with an elastic piece; when the grinding rod drives the shell core body to rotate, the part shell slightly swings in the elastic piece of the clamping jaw, and self-adaptive alignment grinding is achieved. The non-standard grinding device is designed and manufactured, automatic grinding and parameterization and digital control of the grinding process are adopted for product grinding, workers only need to replace the product, smear grinding paste and clean, key machining of parts adopts machine automatic grinding and labeling operation, the influence of the skill level of the workers on the product percent of pass is reduced, and the production efficiency is improved. And the quality stability is ensured while the labor intensity of workers is reduced.

The invention relates to the technical field of extruders, and provides an extruder screw charging barrel waste heat recovery device which is used for recycling heat generated by a screw charging barrel and comprises a heat conduction pipe, the heat conduction pipe is wound on the screw charging barrel, and a heat exchange medium is arranged in the heat conduction pipe; the preheating barrel is used for preheating raw materials; the preheating barrel is sleeved with the preheating interlayer, a first flowing cavity is formed between the preheating interlayer and the preheating barrel, and the heat conduction pipe communicates with the first flowing cavity. By means of the technical scheme, the problems that in the prior art, a large amount of heat is generated in the machining process of an extruder screw charging barrel, but the heat is not recycled are solved.

The utility model belongs to the technical field of drive axle assembly, and particularly relates to horizontal C-shaped press-fitting equipment and a press-fitting system for a forklift drive axle. The press-fitting device comprises two press-fitting mechanisms symmetrically arranged on the two sides of a line body rail and a connecting rod used for fixedly connecting the two press-fitting mechanisms. The press-fitting mechanism comprises a rack, an L-shaped press-fitting support installed on the rack in a sliding mode through a horizontal moving sliding table, a gas-liquid pressure cylinder with the fixed end fixedly installed on the L-shaped press-fitting support and a pressure head assembly installed on the L-shaped press-fitting support in a sliding mode through a first sliding assembly. At the initial position, the distances between the corresponding L-shaped press-fitting supports on the two sides of the line body rail and the corresponding drive axle press-fitting positions to be press-fitted in the X-axis direction are different. The two press-fitting mechanisms symmetrically arranged on the machine frame are adopted to form a horizontal C-shaped structure, press-fitting force only acts on the axes, where half-shaft oil seals and oil seal check rings are installed, of the two ends of the drive axle, other parts are not stressed, the service life of press-fitting equipment is guaranteed, and high operation efficiency is achieved.

The invention provides a local loading collaborative additive manufacturing thin-wall reinforced structure forming method and device.The local loading collaborative additive manufacturing thin-wall reinforced structure forming device comprises a shaping die, a multi-axis movement mechanical arm, a heating system, a hydraulic transmission system and a forming monitoring induction system, and the shaping die is connected with the multi-axis movement mechanical arm; the heating system comprises an induction heating element and an electric furnace, the induction heating element is arranged in the shaping die, and the forming monitoring induction system is integrated between the mechanical arm and the die. A detachable sustainable heating mold design and a local loading mode are adopted, an economical and convenient manufacturing method is provided for forming of the complex thin-wall reinforced structure, the forming quality of the thin-wall reinforced structure is improved, and the manufacturing cost is reduced.

The invention discloses a multi-procedure automatic machining, assembling and detecting system, and relates to the technical field, the multi-procedure automatic machining, assembling and detecting system comprises a concentric-square-shaped double-speed chain used for conveying workpieces and trays; the bearing feeding system is used for automatically feeding various bearings; the six-axis feeding manipulator is used for grabbing the bearing and the oil seal and conveying the bearing and the oil seal to an assembly position; the oil seal feeding system is used for feeding oil seals; the vibration disc is used for feeding oil nozzles and pins; the full-automatic press-fitting station is used for press-fitting bearings and oil seals and detecting whether oil holes are blocked or not; the full-automatic punching and oil nozzle screwing station is used for punching pin holes and screwing oil nozzles; the full-automatic elastic positioning pin press-fitting station is used for press-fitting elastic positioning pins; the full-automatic deburring lubricating and side end elastic positioning pin press-fitting station is used for deburring lubricating bearings and pressing side end elastic positioning pins. The technical problems that at present, complete assembly of workpieces is completely completed by personnel or manual cooperation with single-machine equipment, so that the process is complex, the assembly efficiency is low, the product quality is not stable, and the labor intensity of personnel is large are solved.

The invention relates to the technical field of precision casting of turbine blades, in particular to a ceramic core for a nickel-based superalloy isometric crystal hollow turbine blade and a preparation method of the ceramic core. The ceramic core is prepared by mixing refractory powder and a paraffin-based plasticizer and then sintering the mixture at a high temperature, and the mass ratio of the refractory powder to the paraffin-based plasticizer is (75-85): (15-25); the refractory powder is composed of quartz glass powder, alumina powder and natural crystalline flake graphite, and the mass ratio of the quartz glass powder to the alumina powder to the natural crystalline flake graphite is (72-77): (20-25): (0.5-3); the paraffin-based plasticizer is prepared from refined paraffin, beewax and low-density polyethylene, and the mass ratio of the refined paraffin to the beewax to the low-density polyethylene is (40-50): (40-50): (5-10). The natural flake graphite is creatively added into the raw materials of the ceramic core, so that the flowability of slurry is improved, the high-temperature bending strength of the ceramic core is improved, and the depoling performance of the mold core is improved.

The embodiment of the invention provides an ultrasonic transducer, a preparation method of the ultrasonic transducer, an ultrasonic fingerprint module and electronic equipment. The preparation method of the ultrasonic transducer comprises the following steps: forming a bottom electrode on the upper surface of a substrate, and forming a piezoelectric layer covering the bottom electrode above the substrate; at least forming a seed metal layer on the upper surface of the piezoelectric layer; a first enclosure structure is formed above the substrate, and a containing space used for preparing a top electrode is defined above the piezoelectric layer through the first enclosure structure; and electrifying the seed metal layer, and electroplating at least the seed metal layer in the accommodating space to obtain a top electrode so as to obtain the ultrasonic transducer. According to the technical scheme provided by the embodiment of the invention, the ultrasonic transducer with relatively good performance can be prepared.