Research on the Modeling Method of Die Casting Channel Based on Semantics

doi:10.3901/JME.2018.09.224

Abstract

Abstract: To deal with complex production and poor correlation during the runner system of complex die casting, as well as the random variation and understanding deviation of design information happened in the process of modeling, a method of semantic oriented 3D modeling is proposed, three layer parameters and two semantic mapping mechanism are customed to realize the geometric information and design intention agreement. In addition, the complex runner constituents are distinguished from the structure as well as function and then abstracted into semantic categories with the aid of knowledge in die casting.After that the units are subdivided into several semantic elements according to the design priority level, and then the model base of the overflow semantic model is constructed. Based on the above theory, combine with the expansion of the parametric design technology and make UG/NX as development platform to develop the runner system design. The example analysis shows that this modeling method can make designers edit runner features from semantic layer visual, drive the implementation model by calling the modified interface. It has good accuracy, high efficiency and wide adaptability when deal with complex die casting die design, and also can shorten the development cycle effectively.

Key words: die casting mould, parameterize, runner system, semantics

CLC Number:

TP391

DONG Yude, YANG Guanghui, ZHU Guanqun, LING Leshu. Research on the Modeling Method of Die Casting Channel Based on Semantics[J]. Journal of Mechanical Engineering, 2018, 54(9): 224-232.

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