41results about How to "Improve process design efficiency" patented technology

The invention belongs to the field of the technological process of a three-dimensional design model, and relates to a method for building a dynamic three-dimensional process model, which is characterized in that the method for building the dynamic three-dimensional process model is carried out according to the following six steps of: reading the design model, and building a technological reference model; automatically calculating the produced blank model, and automatically assembling the produced blank model with the technological reference model at the same position; organizing and managing the technical schedule; dynamically creating processing the characteristic; correlating the technical schedule with the characteristics; and storing the processing information and the model. The method for building the dynamic three-dimensional process model solves the problem that the two-dimensional technological design and the three-dimensional technological design are disjoined at present, and a two-dimensional model is taken to directly guide production and manufacturing, the traditional mode of 'three-dimensional design plus two dimensional' is broken through, and accordingly, the technological design efficiency is obviously improved; and moreover, the manufacturing staff can directly obtain the machining features and the corresponding technological information on the basis of the three-dimensional technological design, so the preparation periods of production and manufacture are greatly shortened, and the production efficiency is improved.

The invention belongs to the technical field of computer-aided process planning, the invention discloses a three-dimensional process planning method and a platform for typical automobile machined parts based on MBD, based on 3D CAD software, with the MBD design model as the sole data input, the process MBD model is used as the data output, and the design process includes the establishment of MBD related standards, the creation of MBD design model, feature classification and feature database, feature recognition and information extraction, the generation of machining elements, the generation ofmachining elements clustering process, process sequencing, manufacturing features, the creation of process model and so on. The final application example of the present invention is in the case whereNX is used as a carrier, C + + and NXopen language, the invention can quickly generate a process MBD model which integrates a process model and a manufacturing feature body, can realize the visualization of the process design flow, improve the process design efficiency, and lays a foundation for the integration of CAD/CAPP/CAM. The invention can be used in the three-dimensional CAPP system developed by C + + and NXopen language.

The invention relates to a technique information expressing method based on a three-dimensional model, which is characterized by comprising three following steps: constructing technique information identification symbols, dynamically generating technique information combination symbols, and carrying out three-dimensional technique information labeling. The technique information expressing method can realize the interlinking of technique information and three-dimensional technique information by the three-dimensional labeling, and unify the design and the technique on a three-dimensional platform so as to replace a two-dimensional paper technique card, thereby solving the problems that the two-dimensional technique information is non-intuitionistic in expression, various in forms, hard in management and the like in the prior art.

The invention relates to a casting and forging double-control forming system based on digital twinning and a parameter optimization method, and belongs to the field of automation. The system comprisesa physical entity system, a data sensing system, a network transmission system and a digital twinning system. The data sensing system collects information data in the operation process of the physical entity system and transmits the information to the digital twinning system through the network transmission system. A virtual model of a physical entity is established in the digital twinning system, and dynamic analogue simulation of a casting and forging double-control forming process is carried out to realize virtual-real interaction mapping; and meanwhile, key process parameters of the casting and forging double-control forming process are intelligently optimized and adjusted, an optimization scheme is fed back to the production process to guide actual production operation, closed loop of the production process is improved, and management is optimized. The casting and forging double-control forming system is small in equipment and die investment, intelligent and networked productioncan be achieved easily, the mechanical performance and the product precision of workpieces are greatly improved, and the casting and forging double-control forming system has good application value.

The invention provides a knowledge-based assembly process design method and system and a storage medium. The knowledge-based assembly process design method comprises the following steps: a process knowledge modeling step: constructing an assembly process knowledge model; a process knowledge base building step: building an assembly process knowledge base; a process flow defining step: defining an assembly process flow to obtain an assembly process flow diagram; a process knowledge screening step: screening the assembly process knowledge to obtain an optimal process instance; an assembly processstructuralization step: generating a structuralized assembly process according to the optimal process instance; and a normativity examination step: automatically examining the normativity of the assembly process. Expression, association and storage of a large amount of complex heterogeneous process knowledge are realized, a unified spacecraft assembly process knowledge base is constructed, and knowledge-based rapid process design is supported. Knowledge-based and intelligent assembly process design based on the process flow and knowledge is realized, so that the process design efficiency is greatly improved. The design quality of the process file is effectively ensured.

The invention discloses a technology design method based on a three-dimensional model. The method comprises the following steps of based on a design model, according to a technology condition, carrying out model adjusting and generating a three-dimensional technology model; constructing a technological procedure; in the same three-dimensional technology model, according to the technological procedure, successively carrying out different operation designs, classifying the technology models based on operation and generating a plurality of different technology design models; displaying technology information of a technology design model in a display interface, wherein technology information data is stored in a database; carrying out three-dimensional technology simulation on parts or components in the technology design model; and finally generating a technology publishing result and animations possessing an interaction interface. The three-dimensional model is used to visually and accurately describe a formation process of a product from a blank state to a final state; a problem that a traditional two-dimensional technology can not express an intermediate state of a product formation process is solved; characteristics that intuition is good and interactivity is high are possessed; technology design work efficiency is greatly increased; and an optimization degree of a technology design scheme is improved.

The invention relates to a sewage treatment process recommendation method and device. The method comprises the following steps: receiving water quality information of to-be-treated sewage and an effluent requirement for the to-be-treated sewage; water quality information and water outlet requirements are met; and process package information stored in a database, determining at least one to-be-recommended queue, wherein each to-be-recommended queue corresponds to one sewage treatment process flow, each to-be-recommended queue comprises at least one process package and is used for forming the sewage treatment process flow, and the effluent result of the to-be-treated sewage obtained through the sewage treatment process flow corresponding to each to-be-recommended queue meets the effluent requirement; and determining a recommendation result according to the to-be-recommended queues, the recommendation result being used for indicating at least one to-be-recommended queue. Thus, the sewagetreatment process flow capable of meeting the water outlet requirement can be determined according to the water quality information of the sewage and the water outlet requirement, recommendations areautomatically generated for the user for selection, the process design efficiency is improved, and the user experience is improved.

Disclosed is a resin process prediction device based on product performance and process data model which comprises the following steps: collecting a production process and process data; transforming characteristic value of the collected continuous change data; carrying out sampling inspection on batch products, and recording performance indexes and quality indexes of the batch products; respectively establishing neural network models for the production process data, the performance data and the quality data of the plurality of batches; evaluating and verifying the neural network model, and optimizing the neural network model; defining a search interval of a performance parameter, and searching data closest to the performance index in the search interval as a data set; according to the original parameter data in the data set, calculating a value interval of each process parameter; and searching from the lower limit of the interval, and calculating product performance indexes through the optimized neural network model to obtain a process parameter value interval. According to the invention, the problems of difficult optimization of the current production process and low efficiency of the formula experiment process are solved, and the product quality and the performance stability are improved.

The present invention is shrapnel making process design system and method. In the design system, the data are fed from the making process design unit via I/O access module to the design system CAX integrating platform, and the design system CAX integrating platform completes data exchange with information input module, process design module, shrapnel term defining module, technological resource managing module, typical technique managing module, technological photo managing module and technological file outputting module via the data bus. The system creates various technological cards based on relevant information. The present invention has the advantages of high technological design efficiency, high quality, etc.

The invention relates to the technical field of intelligent kaolin wet powdering, and especially relates to an intelligent kaolin wet powdering method for a ceramic raw material. The method comprisesthe following steps: breaking kaolin mineral into powder by utilizing a jaw breaker, wherein the viscosity of kaolin can be changed by adopting a dispersing agent, machining and surface modification and other methods since the increased specific area and increased viscosity of the broken mineral are bad for the subsequent processing; conveying the materials through a double-helix feeding machine,feeding the raw materials into the double-helix feeding machine, and orderly conveying the powdery kaolin mineral to the process equipment of the next step, feeding the kaolin raw material into a pulping unit, wherein the pulping unit is composed of three stages. The method disclosed by the invention has the advantages of being efficient in process design, high in throughput, energy-saving, economic, reasonable and the like; at the same time, the process design is high in cost performance, the fine powder content and yield are guaranteed, the production cost is low, the pollution is small, theinvestment is small, the production efficiency is high, the product quality is stable, and the economic benefit is obvious, therefore, the method is a relatively ideal production mode.

The invention relates to a thin-wall component space envelope forming buckling deformation prediction method, which comprises the following steps: firstly, determining the geometric dimension of a time-varying contact area between an envelope model and a blank in a space envelope forming process, and calculating the stress of any position of the blank contact area part under a specific coordinate system; and on this basis, calculating the stress of any position of the non-contact area part of the blank, constructing a warping equilibrium differential equation of the non-contact area part of the blank, solving the warping equilibrium differential equation by combining boundary conditions of the non-contact area part of the blank, and obtaining the space envelope forming warping amount of the thin-wall component. According to the method, the spatial envelope forming buckling deformation of the high-performance thin-wall component can be accurately predicted, so that the spatial envelope forming precision of the thin-wall component is improved, and a basis is provided for optimal design of spatial envelope forming process conditions of the thin-wall component.

The invention relates to a technical state linkage method in a product manufacturing process. The method comprises the following steps: firstly, designing an interactive integrated interface between aproduct design system and a three-dimensional process design system; establishing a three-dimensional design model of a product based on a product design system, and transmitting an EBOM, a model anda design file in a part model to a three-dimensional process design system through an integrated interface; and when the product data of the product design system is changed, updating the part modelin time, and meanwhile, dynamically updating the three-dimensional process in the three-dimensional process design system through the integrated interface. According to the invention, the three-dimensional model is used as an information carrier, and reasonable data organization is carried out on the three-dimensional model to realize linkage under the technical state change of design data, process data and manufacturing data. The process design period of the product is shortened, the process quality is improved, the loss and cost caused by design errors are greatly reduced, and the process design efficiency is greatly improved.

The invention discloses a method for acquiring the encapsulation types of a device. The method comprises acquiring the types of technology of a printed circuit board (PCB), and searching and determining the encapsulation types of the device arranged on the PCB in the corresponding relation of the types of technology and the encapsulation types of the device according to the acquired types of technology. The invention also discloses a device for acquiring the encapsulation types of the device. By adopting the invention, the process route of the PCB can be acquired in the process of designing the schematic diagram and the encapsulation types of the device can be determined according to the acquired process route, thus satisfying the need of PCB process design and improving the efficiency and the quality of the PCB process design.

The invention belongs to the technical field of digital processes, and provides a MBD-based welding process modeling and process design method and system, and the system comprises a welding process model based on MBD and a welding process modeling system based on MBD. The MBD-based welding process model realizes consistent expression, storage and management of welding services, and the MBD-based welding process modeling system realizes specific PBOM establishment, welding model definition, visual interaction and output; and rapid addition, deletion, modification and check and visual interaction of the three-dimensional welding process model can be achieved, inheritance and application expansion of the MBD model from design to process are achieved, and a welding feature construction and expression method based on a lightweight model is provided in the field of welding process design application.

The invention relates to a thin-wall component space envelope forming buckling deformation control method. The method comprises the following steps: S1, establishing a rectangular coordinate system; S2, the envelope center O1 of the envelope model being on the z axis, and the distance between the envelope center O1 of the envelope model and the coordinate origin O being H; S3, enveloping die cone point offset being carried out; S4, designing a main body part of the envelope model; S5, designing the front end part of the envelope mode; S6, optimizing process parameters; and S7, thin-wall component space envelope forming buckling deformation control being carried out. In the space enveloping forming process of the thin-wall component, plastic deformation with the wall thickness reduced and the diameter increased occurs, a contact area of a main body part of an enveloping mold and a blank is located on one side of a center shaft, a contact area of the front end part of the enveloping mold and the blank is located on the other side of the center shaft, and therefore space enveloping forming buckling deformation control over the thin-wall component is achieved. According to the method, accurate control over the spatial envelope forming buckling deformation of the thin-wall component can be achieved, and then the spatial envelope forming precision and the yield of the thin-wall component are improved.