Three-dimensional process model evolution generation method applied to digitalized process design

Abstract

The invention discloses a three-dimensional process model evolution generation method applied to digitalized process design, which belongs to the field of digitalized manufacture. The method includes the following steps: building a manufacture characteristic type information base, obtaining product manufacture characteristic information by measuring and analyzing a product real object, conducting digitalized process design according to the product manufacture characteristic information, storing process decision results, constructing a three-dimensional process model generation rule base, determining a reversing generation flow of a three-dimensional process model from the product to a blank to finish evolution change of the three-dimensional process model. The method achieves automatic generation of the three-dimensional process model based on integration of process information and process engineering, is capable of improving the process model generation process and the efficiency, adopts a geometrical operation method without historical modeling in the generation process of the three-dimensional process model, supports various modeling software and improves geometrical calculation efficiency when the process model is generated.

Description

technical field [0001] The invention belongs to the technical field of digital manufacturing, and in particular relates to a three-dimensional process model evolution generation method applied to digital process design. Background technique [0002] 3D modeling technology has been widely used and developed in the design and manufacture of enterprise products. In the product design process, the 3D model is used to reflect the geometric shape of the product, express the product design requirements, and analyze the product design results; while the 3D process model is an intuitive three-dimensional representation of the geometric entities, dimensioning and processing requirements of the process in the process design of the product. It shows that the 3D process model sequence obtained through the process and its process information can dynamically reflect the change process of the product in the process design, and further serve the follow-up manufacturing activities, such as NC...

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Problems solved by technology

[0004] Aiming at the problems in the existing 3D process model generation methods, such as slow generation efficiency, non-standard process and poor versatility, the present invention proposes a 3D process model evolution generation method applied to digital process design, which solves the problem of digital process model generation. Evolution and generation of 3D process model in design process

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