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15results about How to "Improve manufacturing level" patented technology

Multi-scale hybrid particle reinforced aluminum-based composite material and SLM (selective laser melting) preparation method thereof

The invention discloses a multi-scale hybrid particle reinforced aluminum-based composite material, which is prepared from the following raw material powder in percentage by mass: 70 to 98.5 percent of AlSi10Mg atomized powder, 0.5 to 20 percent of micron-sized Al2O3 powder, 0.5 to 20 percent of nano-sized Al2O3 powder and 0.5 to 20 percent of submicron-sized SiC powder, and the sum of the mass percent of the components is 100 percent. The material is an aluminum-based composite material with high strength, high toughness and high hardness. The invention further provides an SLM preparation method of the multi-scale hybrid particle reinforced aluminum-based composite material, through particle content optimization, powder preparation process innovation and SLM process parameter optimization, the high-strength, high-toughness and high-hardness aluminum-based composite material is obtained, and additive manufacturing of the aluminum-based composite material is achieved.
Owner:XIAN UNIV OF TECH

Accurate control method for forging forming of automobile spline shaft yoke

PendingCN119114814AImprove manufacturing levelForging press drivesEngine componentsDrive shaftTruck
The invention discloses a precise control method for forging forming of an automobile spline shaft yoke, which comprises the following steps of: (1) designing a most reasonable forge piece blank and a forming die thereof according to the size characteristics of a specific spline shaft yoke product; (2) the forming die is installed on horizontal forging oil press equipment; (3) the blank is placed in a forming die, and a closed forming process is adopted for forging operation; and (4) the computer analyzes the forging forming process through whole-process numerical simulation, and optimal process parameters are determined through hot forging forming process design optimization. According to the spline shaft yoke precise forming control method, spline shaft yoke forging forming is simulated in the whole process, analysis and optimization are conducted on a computer, an optimal forming scheme is finally formulated, and the optimal combination of the forming force, the filling effect and the mold service life is achieved. The method is applied to research and development of a near-net forming manufacturing core technology of high-end heavy truck transmission shaft complex forgings, and has great significance in improving the manufacturing level and the independent innovation capacity of automobile parts in China.
Owner:XUCHANG ZHONGXING FORGING +1

Zirconium-nickel dissimilar metal welding method based on active regulation and control of temperature field

The invention discloses a zirconium-nickel dissimilar metal welding method based on active regulation and control of a temperature field. The zirconium-nickel dissimilar metal welding method comprises the following steps that S1, base metal is cleaned; the butt-joint end faces and the welding surfaces of the zirconium and nickel alloy pipes are polished and cleaned, and clean zirconium and nickel base materials are obtained; s2, a to-be-welded part is assembled; the to-be-welded end face of the clean base metal is assembled in a protective gas cavity of the rotary clamping device; s3, welding is conducted; a laser scanner is adopted for welding at a preset welding position, heat source gradient distribution of base metal at the two ends of a welding seam is controlled by regulating and controlling laser power, welding seam temperature field feedback is established through an infrared temperature sensor, and real-time monitoring and laser power regulating and controlling are conducted; s4, postweld heat treatment; and the laser power is adjusted in real time according to welding seam temperature field feedback so as to adjust and control the welding seam cooling process. According to the method, effective connection of zirconium-nickel indissolvable metal is achieved by controlling the regional welding temperature field, the temperature range for forming brittle compounds is avoided, the uniformity of a molten pool between Zr and Ni materials is ensured, and welding defects such as hot cracks and air holes are reduced.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Online denture design result detection method and system based on automatic verification

The invention discloses an online denture design result detection method and system based on automatic verification, and the method comprises the steps: collecting denture result related data and patient related data, constructing a scheme detection model, and automatically detecting a denture design scheme; generating a false tooth entity model by utilizing a 3D printing technology, and comparing and detecting the entity model and the false tooth design model by utilizing an entity model detection function; the false tooth design result is uploaded to a platform, and the platform evaluates the false tooth design result in real time. The precision and consistency of denture design are improved, and subjective factors of manual inspection are reduced. And by utilizing the 3D printing technology and finite element analysis, multi-dimensional comprehensive evaluation is realized, and the design and manufacturing efficiency is improved. And a real-time feedback mechanism shortens the design period, enhances the personalized customization capability, and improves the product quality and reliability. The automatic process reduces cost and resource waste, facilitates data management and tracing, and provides data support for continuous improvement.
Owner:WANJIANG DIGITAL TECH RES INST CO LTD YANNAN HIGH-TECH ZONE YANCHENG CITY

Manufacturing method of circular vertical corrugated steel pipe

PendingCN119281894Asave steelImprove manufacturing levelClassical mechanicsPipe
The invention relates to the technical field of building construction and steel pipe design and processing, in particular to a manufacturing method of a circular vertical corrugated steel pipe, which comprises the following steps of: pressing a seamless circular steel pipe through an integrated cold-bending roller press which is internally and externally staggered to form vertical corrugations on the seamless circular steel pipe, thereby forming the circular vertical corrugated steel pipe; the vertical corrugations are parallel to the axial direction of the seamless circular steel pipe, and the diameter of the seamless circular steel pipe is larger than that of the circular vertical corrugated steel pipe. The method has the advantages of overcoming the defects of limited bearing capacity, poor corrosion resistance and the like of a circular steel pipe, and being simple in construction, low in manufacturing cost and good in performance.
Owner:CHINA RAILWAY SHANGHAI DESIGN INST GRP CO LTD

Method for manufacturing high-precision multilayer ceramic circuit board

The invention belongs to the technical field of ceramics, and particularly relates to a manufacturing method of a high-precision multilayer ceramic circuit board. The preparation method comprises the following specific steps: S1, material preparation: preparing a ceramic material into a raw material belt by adopting a tape casting method, and preparing conductor paste by using metal powder; s2, slurry printing: full-width conductor slurry is printed on a raw material belt by adopting a thick film silk-screen printing method, and a printed pattern is manufactured; s3, circuit preparation: according to the requirements of a circuit in a design drawing, a laser micro-etching method is adopted to manufacture the circuit with the line width of 20-50 microns / the line spacing of 20-50 microns on the raw material belt printed with the pattern; and S4, stacking a plurality of raw material belts after circuit manufacturing, placing the stacked raw material belts in warm water for isostatic pressing to form a multilayer ceramic circuit board green body, and then sintering to prepare the multilayer ceramic circuit board. According to the invention, the high-precision multilayer ceramic circuit board can be manufactured, and the manufacturing cost is reduced; the method is high in efficiency and simple in process, and promotes the development of the device to the high-frequency and high-speed application field.
Owner:HEFEI SHENGDA ELECTRONIC TECH IND CO LTD

Method for rapidly evaluating structural design scheme of circular saw blade

The invention discloses a method for rapidly evaluating a structural design scheme of a circular saw blade. The method comprises the following steps: firstly, establishing a flat head geometric parameterized model, simulating a cutting flow field and a temperature field through finite element analysis, and performing an orthogonal test in combination with different material attributes and cutting process parameters to obtain key performance data; and then establishing a quantitative relation model of flat head parameters, material attributes, process parameters and chip discharge and heat dissipation performance, and improving prediction precision through an optimization algorithm. Finally, an evaluation index system is formulated, a comprehensive evaluation result is automatically generated, and the optimal flat-end design scheme is recognized. According to the method, intelligent optimization of circular saw web flat head design is achieved, the optimal flat head parameters can be rapidly determined according to different application scenes, the cutting performance of the circular saw web is improved, the service life of the circular saw web is prolonged, and the method has great significance in improving the manufacturing level of the circular saw web.
Owner:INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY

A multi-laser combined multi-axis turning and milling composite machine tool and its machining method

The present invention provides a multi-laser combined multi-axis turning and milling compound machine tool and a processing method thereof, including a frame, wherein the frame is respectively provided with a first laser processing area, a second laser processing area, and an X-axis motion component, wherein the first laser processing area includes a first laser processing component and a first motion component; the second laser processing area includes a second laser processing component and a second motion component; and the X-axis motion component is located below the first laser processing component and the second laser processing component. The present invention combines nanosecond, picosecond, and femtosecond lasers to respectively perform rough, semi-finishing, and finishing of tools, realizes turning and milling compound processing through a multi-axis motion platform design, realizes one-time clamping and processing of complex-profile tools, effectively improves processing efficiency and processing quality, solves the problems that general laser processing cannot realize complex-profile tool processing, and low processing efficiency and poor quality caused by multiple clamping, and is of great significance to improving the manufacturing level of high-end tools in my country.
Owner:GUANGDONG UNIV OF TECH

Method for preparing energy storage battery fabric through 3D printing

The invention discloses a method for preparing energy storage battery fabric through 3D printing, and belongs to the field of secondary batteries and manufacturing thereof. Aiming at the current situation that a fiber battery is complex to manufacture and is difficult to weave to form a fabric, a method for directly preparing a battery fabric by utilizing 3D printing is developed, 3D printing manufacturing is carried out in a fabric style from an electrode layer, gel electrolyte and a packaging polymer are printed layer by layer, and convenient manufacturing of an energy storage fabric is realized. The processes of assembling and weaving the fiber battery are omitted, so that the manufacturing complexity is greatly reduced, and the influence of weaving on the battery is avoided. The method is simple and convenient in process and easy to implement, provides a new thought for solving the difficulty faced by the flexible energy storage fabric, and is expected to promote further practical development of the flexible energy storage fabric.
Owner:RES INST OF CHEM DEFENSE PLA ACAD OF MILITARY SCI

A rubber block loading device and a rubber block bonding device

ActiveCN224361275UImprove manufacturing levelquality improvementConveyor partsVehicles
The utility model provides a kind of glue block feeding device and glue block bonding device, it is related to industrial equipment field.The installation of current car sunroof pad depends on manual operation, it is difficult to meet the needs of industrial production.The present application provides a kind of glue block feeding device, including glue plate bin, limiting mechanism, air knife, feeding mechanism and turning block device, glue plate in glue plate bin is pushed to specified position in limiting mechanism by feeding mechanism, using air knife, air outlet and turning block plate are turned to predetermined angle, realize automatic feeding.The present application also provides a kind of glue block automatic bonding device, including glue block turnover detection device, glue block air claw, air cylinder and mobile robot, after glue block turnover detection device detects glue block and turned to predetermined angle, it is bonded by glue block air claw clamping, mobile robot drives.The utility model realizes the automatic feeding and bonding of glue block, realizes product production automation while guaranteeing the stability of product.
Owner:CHANGCHUN HEXIN MACHINERY MFG

Low-stress MOCVD (Metal Organic Chemical Vapor Deposition) graphite base and deposition equipment

The invention belongs to the technical field of metal organic chemical vapor deposition (MOCVD) equipment, and particularly relates to a low-stress MOCVD graphite base and deposition equipment. The graphite base comprises a base body, and at least one stress releasing groove is formed in the outer circle area of the base body. The stress release grooves can be formed in the working face and / or the side face of the outer circle of the base body, additional deformation space is provided for materials, and the stress distribution path is changed, so that stress concentration of the base body in the high-temperature service process is effectively reduced, especially the tensile stress at the outer circle is effectively reduced, and the service life of the base body is prolonged. Therefore, the surface silicon carbide coating is prevented from generating microcracks due to overlarge stress, the corrosion resistance of the graphite base is remarkably improved, and the service life of the graphite base is remarkably prolonged. The stress can be reduced by 35% at most, and the service life of the base is prolonged by 22%. Meanwhile, the invention further relates to metal organic chemical vapor deposition equipment comprising the graphite base.
Owner:HUNAN KAIXIN NEW MATERIAL TECH CO LTD

Key parameter design method of hydraulic backflow transmission system

The invention relates to the field of transmission equipment, and discloses a key parameter design method of a hydraulic backflow transmission system. The method comprises the following steps: selecting key parameters to establish decision vectors; determining a displacement ratio control boundary; determining the value range of the key design parameters; according to actual operation characteristics, establishing a gear matching relation between the target vehicle and the hydraulic backflow transmission system; establishing a target function by using an integral median theorem; establishing a multi-objective optimization model and solving; and determining and checking the effectiveness of the hydraulic backflow transmission system and the selected key design parameters. According to the method, systematic key parameters such as the operation characteristics, the transmission efficiency, the torque increasing coefficient, the working efficiency, the gear shifting quality and the actual use quality of the target vehicle are comprehensively considered, so that the hydraulic backflow transmission system can adapt to complex operation working conditions of different target engineering vehicles in a targeted mode, and the potential performance advantages of the hydraulic backflow transmission system are brought into play; and the transmission performance of the engineering vehicle is improved to the greatest extent.
Owner:CHONGQING UNIV

Video processing method, device, computer equipment, storage medium, program product

The present disclosure relates to a video processing method, device, computer equipment, storage medium, and program product. The method includes: obtaining a panoramic video and the position information of a panoramic camera during the process of shooting the panoramic video; constructing a moving track map of the panoramic camera during the process of shooting the panoramic video based on the position information; determining the camera movement points during the process of shooting the panoramic video based on the moving track map; inputting the camera movement points and the panoramic video into a pre-trained camera movement type determination model, and outputting the video type and camera movement type of the panoramic video through the camera movement type determination model; matching the camera movement effect from a pre-set camera movement rule library based on the camera movement type and video type; and making adjustments based on the camera movement effect at the camera movement points of the panoramic video to generate a target video. The present method can be used to edit the panoramic video.
Owner:LABPANO TECHNOLOGY (CHANGZHOU) CO LTD

Flow guide cover body for ship

The utility model provides a fairing body used on a ship, which comprises a connecting seat body, a fairing body assembly and a supporting assembly, the fairing body assembly and the supporting assembly are arranged on the connecting seat body, the connecting seat body is provided with a first connecting space position, and the first connecting space position is used for installing the fairing body assembly. The cover body assembly forms an annular cover body on the first connecting space position, and a second connecting space position is formed in the annular cover body; the fairing body used on the ship is good in structural strength, convenient to install and connect and suitable for fairing bodies on rudder devices in large and small ships, good mechanical performance of the fairing body is guaranteed, and the ship manufacturing level is further improved.
Owner:GUANGZHOU XUSHENG SHIPBUILDING CO LTD

Steel fireproof door welding device with automatic alignment function

The invention relates to the technical field of welding devices, in particular to an automatic aligning steel fireproof door welding device which comprises a supporting table and further comprises a butt joint mechanism and a welding mechanism, and the butt joint mechanism is arranged on the supporting table and used for automatically aligning and splicing the long edges and the short edges of a fireproof door frame; the welding mechanism comprises a transverse moving part, a longitudinal moving part, a carrier block, a laser head, a movable block, a motor a, a telescopic component b, a nut block b, a screw rod b and a discharging box. The longitudinal moving part is slidably arranged on the supporting table; the transverse moving part is arranged on the longitudinal moving part; the carrier block is connected with the transverse moving part; the telescopic part b is arranged on the carrier block and is connected with the movable block; the screw rod b is rotationally connected with the movable block; the motor a is arranged on the movable block, and the output end of the motor a is connected with the screw b; the nut block b is in threaded connection with the screw rod b; the laser head is connected with the nut block b; the discharging box is connected with the movable block. According to the invention, the problem of incomplete penetration caused by insufficient laser energy is fundamentally solved, and meanwhile, the required laser power is reduced.
Owner:BEIJING ZHICHENG DOORS IND CO LTD