Abstract
Model-based Definition (MBD) expresses the technical information of traditional engineering drawings in a three-dimensional environment. The formed MBD dataset completely express the product information, what changed the product development model and improved product development efficiency. However, the integrity of the MBD dataset is difficult to guarantee and the efficiency to build it is low. In order to solve this problem, this paper proposes to use MBD attributes template method to solve the generation problem of attributes information in MBD dataset. Firstly, the concept and connotation of MBD attributes and MBD attributes template are described. Secondly, the type of aeronautical products and MBD attributes are combed to form MBD attributes template for different types of products. Thirdly, the process of MBD attributes template method is proposed. Finally, the validity of the proposed method is verified by the MBD attributes template construction and attributes values filling of a forging part. The results show that MBD attributes template method not only improves the efficiency of MBD attributes generation, but also improves the integrity and accuracy of MBD dataset.
Highlights
Three-dimensional model plays a vital role in engineering domain
For example: Model-based Definition (MBD) design under the product lifecycle scenario [2]; through the MBD dataset to assist the construction of the MBD process model [3]; multi-level structured MBD model support the mechanical parts reuse [4]
MBD technology expresses the technical information in a three-dimensional environment, forming the MBD dataset that can fully describe the product
Summary
Three-dimensional model plays a vital role in engineering domain It can drive product design, manufacturing, assembly and inspection stage of production development directly. There are still has many management problems and technical problems need to be solved [5], including how to improve the efficiency of MBD dataset construction and ensure the integrity and accuracy of the MBD dataset In view of this problem, [6] studied the automatic annotation technology of 3D model based on GB/T 24734 to improve the efficiency of 3D model annotation. MBD attributes contains both the management information needed for other product development phases and the technology information used to assist the MBD annotation to completely defining the product model. The MBD attributes values are itemized to support the construction of MBD attributes fast and accurate
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