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14results about How to "Guaranteed forming quality" patented technology

A method for forming a concave thin sheet stainless steel part

ActiveCN117415199BControl severe flow problemsUniform collectionShaping toolsThin slabStructural engineering
The application discloses a forming method for concave thin plate corrugated stainless steel parts, which comprises die assembling, stamping buffer layer laying, stamping preforming, stamping forming and shearing correction. By using the forming method, the existing punch is used, in the stamping preforming process, the stamping buffer layer is laid, the step-by-step pressing mode is adopted, the stamping buffer layer can control the material flow problem, so that the material uniformity is achieved; in the stamping forming, the die is replaced, and the one-time pressing forming is adopted, which can effectively solve the technical problem that the boundary of the corrugated area is prone to wrinkling, and can improve the forming efficiency, so as to improve the qualified rate of part forming, ensure the product forming quality, greatly reduce the processing cost, and be applied to the processing of the parts prone to wrinkling, and is convenient to operate and suitable for popularization and application.
Owner:中航贵州飞机有限责任公司

A method for real-time regulation of laser additive manufacturing of alloys based on online ultrasonic monitoring

ActiveCN116652208Bmeet manufacturing requirementsElimination of metallurgical defectsAdditive manufacturing apparatusIncreasing energy efficiencyMetallurgyLaser additive manufacturing
The application discloses a kind of real-time regulation and control laser additive manufacturing alloy method based on online ultrasonic monitoring, which uses ultrasonic sensor to track the back wall reflection of laser forming sample in the process of laser additive manufacturing, and can accurately reflect the generation of crack and pore in the process of laser forming by processing ultrasonic signal data, and adjusts the laser forming process parameters in real time according to feedback data, to obtain the laser additive manufacturing alloy sample without crack and pore finally.The method provides a method for real-time monitoring and regulating alloy forming quality in the process of laser additive manufacturing, which significantly improves the laser forming quality of the formed alloy.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Laser processing device with curved surface part positioning mechanism and method

The invention relates to the technical field of laser machining, in particular to a laser machining device and method with a curved surface part positioning mechanism, a curved surface part is arranged below laser machining equipment, and a track recognition module used for conducting track recognition on a machining area of the laser machining equipment is installed on one side of a welding frame body; curved surface positioning modules which are uniformly distributed are mounted above the positioning base plate, curved surface parts are arranged above the curved surface positioning modules, and a curved surface part cooling module is further mounted above the positioning base plate; a curved-surface part cooling module is mounted on the upper surface of the positioning base plate, and when surface machining is conducted on a curved-surface part, a second controllable lifting unit drives an attaching hose to move upwards; the attaching hose is of a flexible structure, heat is taken away through a cooling medium circulating in the attaching hose, rapid cooling and shaping of a welding area are achieved, molten metal liquid is made to be formed along a preset track, and the machining precision and the forming quality of the curved surface part are guaranteed.
Owner:GUANGDONG OCEAN UNIVERSITY

A reinforcing structure for preventing and controlling the floating of a shield segment

ActiveCN224592146Uprevent floatingSuppression of floatingSleeve valveStructural engineering
The utility model discloses a kind of prevention and control reinforcing structure of shield segment floating, for the construction of tunnel, the inner wall of tunnel is connected by multiple shield segments, including several sleeve valve pipes, several sleeve valve pipes are fan-shaped and arranged on shield segment;It further includes detection assembly, the detection assembly is set between the two adjacent shield segments, detection assembly includes detection rod and the measuring piece being set on detection rod, and measuring piece is used to measure the relative inclination angle between the two adjacent shield segments. Diffusion type one-way grouting is carried out through the pipe wall hole of sleeve valve pipe, the sleeve valve pipe outer wall and the soft soil layer of the annular area can be combined into one after slurry solidification, to prevent segment floating. The inclination angle of sleeve valve pipe is detected by detection assembly, when the relative inclination angle between the two adjacent shield segments reaches preset inclination angle, sleeve valve pipe can inject mud again between corresponding shield segment and the inner wall of tunnel, to accurately inhibit the floating of shield segment.
Owner:SINOHYDRO BUREAU 11 CO LTD +3

An automatic welding tool and method for girth laser welding with filler wire

PendingCN122274430ASolve the problem of difficult implementation of automated weldingBreak through the requirements of accessible spaceControl systemElectric machinery
This invention relates to the field of automated welding technology, specifically to an automated welding fixture and method for laser wire-filler welding of circumferential welds. The fixture includes a laser welding torch, a rotating system, and a control system. The laser welding torch is equipped with a wire feeding mechanism and is fixed on the welding torch support of the rotating system. The rotating system consists of a motor mechanism, a rotating support, and a rotating base. The rotating base includes a welding torch support, an XY bidirectional fine-tuning slide, a rotating platform, and a bearing assembly. This invention uses a motor-driven rotating mechanism to rotate the welding torch at a uniform speed, ensuring that the laser spot and wire feeding position are always aligned with the center of the circumferential weld. The control system coordinates the adjustment of laser power, wire feeding speed, and rotation speed to achieve automated welding of the circumferential weld.
Owner:CHINA SHIPBUILDING INDUSTRY CORPORATION NO725 RESEARCH INSTITUTE

Mining butterfly chain chaining tool mold

A mining butterfly chain chaining tool die comprises a chaining die, an ejector and an extrusion roller. The chaining mold comprises an upper mold and a lower mold which can be butted together; the upper end face of the upper die is provided with a first groove, the front end of the upper die is provided with a first protrusion, the first protrusion and the front end of the upper die form a first arc-shaped part, the upper end face of the lower die is provided with a second groove, the front end of the lower die is provided with a second protrusion, and the second protrusion and the front end of the lower die form a second arc-shaped part. The end face of the first protrusion and the end face of the second protrusion are in butt joint and attached, so that the first arc-shaped part and the second arc-shaped part form an arc-shaped groove for shaping the vertical ring forging material, and the first groove and the second groove form a sinking groove for positioning the butterfly-shaped flat ring. The ejector directly faces the sinking groove of the chaining mold; and the extrusion rollers are symmetrically mounted on two sides of the chaining die. By means of the special butterfly chain chaining combined die which is specially designed, it can be guaranteed that the process requirement can be met during chaining, and the forming quality of products is guaranteed.
Owner:NINGXIA TIANDI BENNIU CHAIN

Thread rolling wheel control method and system, computer equipment and storage medium

The invention relates to a thread rolling wheel control method and system, computer equipment and a storage medium. The initial meshing moment is calculated, and initial dynamic parameters of the thread rolling wheel are set in combination with workpiece characteristics, so that the thread rolling wheel enters a controlled state before contact, and instant impact caused by no control or extensive control is avoided. Meanwhile, in the initial meshing process, data of a driving unit and a response sensor are obtained in real time, the dynamic sensing capacity for the contact state (including stress change and contact rigidity) is established, the system can adjust the feeding speed and / or preloading force in a self-adaptive mode according to the actual meshing condition, and flexible transition from initial slow feeding to steady-state rolling is achieved.
Owner:HUNAN SHENYI HARDWARE STANDARD PIECE CO LTD +1

Large-diameter corrugated pipe precision forming die and process

ActiveCN119016583BFlexible moving processSolve the problem of low precision of intermediate waveform during forming
The application discloses a large-diameter corrugated pipe precision forming die and process, relates to the technical field of corrugated pipe dies, and comprises an upper die base, a lower die base and middle die pieces, the middle die pieces are provided in groups, the end portions of each group of middle die pieces are connected with hydraulic cylinders through connecting rods, the hydraulic cylinders are installed below the lower die base, guide columns are arranged on the lower die base, the upper ends of the guide columns are connected with the upper die base, the guide columns are provided in two, and the two guide columns are connected with the upper die base and the lower die base through guide sleeves. The large-diameter corrugated pipe precision forming die and process adopt the above structure, the position control mode of the die pieces is coordinately controlled through laser sensors, the peak position can be accurately detected, corrugated pipes with different wave heights can be formed, the adaptability is good, the position movement of the die pieces is realized through the control of the hydraulic cylinders, the die pieces are flexibly moved, the peak positions are consistent when the die is closed, the problem of low wave form precision of the corrugated pipe in the forming process is solved, the forming efficiency is improved, and the forming quality is ensured.
Owner:YANSHAN UNIV

Heat exchange plate, heat exchange plate pair, core plate bundle and heat exchanger

PendingCN122688757ASimple structuredoes not affect continuity
The application provides a heat exchange plate, a heat exchange plate pair, a core plate bundle and a heat exchanger. The heat exchange plate comprises a plate body, a plurality of corrugated protrusions inclined to the length direction of the plate body are arranged on the plate body, and a through strip-shaped flow channel is formed between adjacent corrugated protrusions. A supporting protrusion is arranged on the top surface of the corrugated protrusion. Two heat exchange plates are stacked to form a heat exchange plate pair. In the heat exchange plate pair, the supporting protrusions of the two heat exchange plates are arranged in abutment, and the number of intersection points of the projections of the corrugated protrusions of the two heat exchange plates is greater than the number of the abutting supporting protrusions. The heat exchange plate, the heat exchange plate pair, the core plate bundle and the heat exchanger provided by the application have the advantages of simple structure, convenient manufacturing, high heat exchange efficiency, effective alleviation of the scaling and wall sticking of impurities in wine, improvement of the quality of wine, and prolongation of the cleaning cycle.
Owner:SHANGHAI HEAT TRANSFER EQUIP

Ultrasonic laser compound machining system

ActiveCN224587188UGuaranteed forming quality
The utility model discloses a kind of ultrasonic laser compound processing systems, including laser processing module, for processing workpiece;Ultrasonic cleaning module, including cleaning tank and ultrasonic wave component installed on cleaning tank, cleaning medium is loaded in the cleaning tank, workpiece is placed in the cleaning tank;Air curtain auxiliary module, for blowing out auxiliary gas to form laminar gas barrier on the surface of workpiece immersed in cleaning medium.The ultrasonic laser compound processing system of the utility model combines two parts of laser processing and ultrasonic cleaning, so that workpiece is immersed in cleaning medium, to utilize laser to process workpiece surface, air curtain auxiliary module is also added, to realize gas-liquid interface accurate reconstruction by high-pressure gas jet, establish local dry processing environment, effectively eliminate the interference of medium refractive index fluctuation to laser transmission, improve the laser processing quality of workpiece, while also can ensure the cleaning effect of workpiece.
Owner:SHENZHEN ZHUOJIAN INTELLIGENT MANUFACTURING CO LTD

A large-scale cascaded digital array antenna and a receiving synchronization method

This application discloses a large-scale cascaded digital array antenna and a receiving synchronization method. The digital array antenna includes a master module, several slave modules, an antenna array, and a correction power divider network. The master module is connected to each slave module, and each slave module is connected to an element of the antenna array. The correction power divider network is connected to the multi-channel receiver chip of the master module and each slave module. Each slave module includes a slave SOC FPGA, an FPGA, a clock driver, and a multi-channel receiver chip. The FPGA integrates a DDS module, and the multi-channel receiver chip integrates an RF PLL. The slave SOC FPGA is connected to the FPGA, the clock driver, and the multi-channel receiver chip. The multi-channel receiver chip in the master module only outputs signals to the correction power divider network and does not receive any signals output by the correction power divider network. This application can achieve full amplitude and phase coherence at the element level of a large-scale digital array antenna, high-precision distributed channel synchronization correction, and high-fidelity digital beamforming, effectively ensuring the quality of digital beamforming.
Owner:SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP

Folding device for automatic carton production

The utility model discloses a folding device for automatic carton production, which relates to the technical field of carton production, and comprises a connecting frame and a pressing plate mechanism, the upper surface of the connecting frame is fixedly connected with two guide plates I for guiding a carton, a fixing strip is arranged above the connecting plate, and the fixing plate moves to drive the carton to move together. When the carton is folded, the carton moves downwards and is guided by two first guide plates and two second guide plates to be formed, folding operation is completed, at the moment, an air cylinder is started, a piston of the air cylinder drives a fixed fixing strip to move together, the fixing strip moves to drive the two second guide plates to move together, and at the moment, a motor fixed to a connecting frame is started to convey the formed carton. The whole automatic operation can continuously run at an extremely high speed and is not influenced by fatigue, rest and other factors, compared with manual folding, the working efficiency is greatly improved, the folding task of a large number of cartons can be completed within a short time, and therefore the requirement for large-scale production is met.
Owner:SHAANXI POLY HUAYING PACKAGING CO LTD

Intelligent processing control system for special-shaped curved surface of optical element

The invention discloses an intelligent processing control system for a special-shaped curved surface of an optical element. The intelligent processing control system comprises a dynamic visual angle vision measurement module, a dual-process processing module, an intelligent control module and a data storage and interaction module. Collecting image data of a processing area in real time through a dynamic visual angle vision measurement module; a deep learning analysis unit, a dual-process collaborative decision-making unit, a cross-process error compensation unit and a real-time control unit in the intelligent control module are used for processing the data and generating a control instruction; the dual-process machining module executes abrasive jet rough machining or laser micro-cladding finish machining / repairing. All the modules form a real-time closed loop, the dynamic visual angle vision measurement module continuously collects machining results and feeds the machining results back to the intelligent control module, and self-adaptive adjustment based on real-time detection is achieved. According to the method, efficient, high-precision and self-adaptive intelligent machining of the special-shaped curved surface is achieved.
Owner:宁波翌波光电科技有限公司

A cross-rolling assembly and method suitable for large size high temperature alloy bar

ActiveCN115770790BImprove rolling production efficiencyavoid jammingMetal rolling stand detailsRollsAlloyMaterials science
This invention discloses a skew rolling assembly suitable for large-size high-temperature alloy bars, comprising four rolls of identical shape and size, all of which are active rolls. During production, all four rolls promote the forward flow of the billet metal along the rolling direction, avoiding the jamming phenomenon caused by the guide plate obstructing the forward flow of the billet in the existing rolling process. Furthermore, the four rolls increase the rolling speed and the degree of deformation. This invention also provides a skew rolling method suitable for large-size high-temperature alloy bars. Utilizing the aforementioned skew rolling assembly, the four rotating active rolls are used for skew rolling of the bars, increasing the rolling speed and avoiding the jamming problem that easily occurs in existing two-roll and guide plate rolling processes. This ensures forming quality, improves rolling production efficiency, and increases the degree of deformation.
Owner:ANHUI HANGON PRECISE ROLLING CO LTD