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Based on knowledge in automotive panel die standard parts library implementation


Account, you can achieve a function of many kinds of standard parts, such as guides to the guides can be divided into oriented, guide column orientation, proximity to the block orientation. Mold design choice which type of standard parts, usually related to the mold structure and its working parts. According to automotive panel die functional structure of the mapping, the establishment of Standard parts library based on the current working parts, pick up function, the query structure and function mapping table, add the standard required to obtain the current file type, and recommend to the die design. Die design standard to confirm or adjust the file types to complete the final standard component type selected. 2), the standard sizes of pieces of intelligence involved in determining the actual flow in the mold, the first after a check of standard parts, and then choose to meet the strength requirements of the standard parts. Therefore, the typical design of the system components such as fasteners screws, bolts, nuts, positioning pieces such as pins, springs and other elastic elements such as design and verification, involves improving the efficiency of great significance. In the standard parts library, the typical standard parts in the design and verification process design as follows: (1) According to the forces of standard parts, standard parts of the type used and other factors to determine the classification of typical components; (2) each type of standard parts based on the design and verification principles, determine the input and output parameters; (3) the establishment of design and calculation process parts; (4) design the user interface, the main component is a typical choice of the type and parameters of the input and output was not; (5) design results as a basis for component calls can automatically select the appropriate components called. Standard Parts Library standard parts according to specific design knowledge and use of knowledge, according to the design parameters obtained calculation and verification. For the successful design, the design results can be directly to the modeling module, according to component type,mulberry københavn, find,ed hardy shop, and horses i ~ e, g should be the standard value, the value of parameter with the standard template-driven standard parts, produced to meet the requirements of standard parts. 2,abercrombie uk, standard parts of the intelligence generated intelligent generation of standard parts, namely, the parameters of the standard pieces of intelligence driven, when the standard file types and the main parameters determined,mulberry helsinki, the standard parts library automated queries of other key parameters of standard parts, standard parts to obtain the complete parameter information, standard parts library or by elements in the geometric constraints between features of the model to control the generation of standard parts. When you press the need to generate a specification of standard parts, standard parts library to query the database based on constraints related to access to the variable parameter values, standard parts that have defined the relationship between model changes and the corresponding constraint solving, geometric elements and characteristics of their change in geometry or topology information and related graphics elements and relations caused by the linkage to generate the necessary parts. After generating standard parts, standard parts library will be based on the type of standard parts, standard parts will be obtained save to a specific directory. Standard parts of the parameter-driven process 7 in Figure 3 is a simple structure, the assembly of standard parts determine the relationship, due to cover mold complex structure, assembly relations is not easy to complete the selection operation, error rate, to the right of assembly to the standard pieces of the library, it is not easy. Therefore, the assembly in the relations between those parts of the assembly clear relationship between the standard knowledge, from standard parts library to complete the corresponding operation. In the standard part library system, the positioning of standard parts can be divided into three categories: First, by changing the loading point, load the matrix to complete the standard parts of the positioning of the point positioning; the second is the use of surface through a flexible combination of fit, alignment, angle, parallel, vertical, center, distance, tangent to the relationship between these types of positioning assembly; Third, through the progressive test, the rule with the degree of freedom of positioning the combination of intelligent assembly method implementations, as well as a reference by specifying the appropriate complete positioning customization feature location. State [References: [1] Tang literature, Li-Min Li, Tao of good new. Knowledge-driven product development based on systematic research and implementation of U Pu juice Computer Engineering and Applications, 2003,39 (22) :129-131. (2】 Yang Haicheng, LIAO Wen. Based on knowledge and application of three-dimensional CAD technology. Beijing: Science Press, parametric model: the expression of about eight inches rice drive parameters i) the number of parameter values ​​of a I, after the move. Part i ... .... . . ... ... I; pieces of Paul 3, standard parts of the intelligent positioning of standard parts library standard parts ultimate goal is to accurately and quickly assembled or inserted into the mold assembly in the. The standard parts of the assembly complex, even if 102 Die Engineering MOULD & DIEPROJECT20085 ~ E 5 (Total 86 2005.1O4-105 [3] Guo Tao, YANG Hua Lin, Tong Shuiguang. Based on KBE product design General Knowledge Base Create research. Manufacturing Industry Automation, 2006 (9): 17 ~ 2O ★ Author: Huang Juan, female, lecturer Jingmen advanced technical schools, is mainly engaged in machinery manufacturing technology,Mulberry outlet, teaching and research.

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