锻压技术

CATIA中飞机钣金新淬火材料参数库的开发

英文标题：Development of as-quenched material parameters database for aircraft sheet metal in CATIA

作者：张凌云石绍秋王京许娈李长庆

分类号：TG386

出版年,卷(期):页码：2021,46(11):275-280

摘要：

为解决飞机钣金零件在数字化设计生产中存在的新淬火铝合金板料力学性能参数匮乏的问题，为飞机钣金件的工艺设计和工艺仿真提供数据支持，通过进行新淬火状态铝合金板料的力学性能试验获取材料性能参数，将参数在Access数据库环境下保存，运用Visual C++中ADO数据库访问技术建立起Access材料数据库与CATIA中材料参数选择模块的连接，实现CATIA对新淬火铝合金板料力学性能参数的自动调取。该数据库的建立可为基于CAA的CATIA二次开发获得的飞机钣金橡皮囊成形模具自动补偿系统提供材料数据，使系统准确地进行回弹补偿模拟，简化了模具数字化设计与修整流程，对于提高飞机钣金件的制造精度和节约成本起到促进作用。

In order to solve the problem of lacking mechanical performance parameters for as-quenched aluminum alloy sheet in the digital design and production of aircraft sheet metal parts and provide the data support for process design and simulation of aircraft sheet metal parts, the material performance parameters were obtained by the mechanical performance test of as-quenched aluminum alloy sheet, and the parameters were saved in Access database. Then, the connection between the Access material database and the material parameters selection module in CATIA was established by ADO database access technology of Visual C++ to realize the automatic retrieval of the mechanical performance parameters for as-quenched aluminum alloy sheets by CATIA. The establishment of the database provides material data for the automatic compensation system of aircraft sheet metal rubber bladder forming die based on the secondary development of CATIA CAA, so that the system accurately simulates the springback compensation, simplifies the digital design and trimming process of die, and plays a promoting role in improving the manufacturing accuracy of aircraft sheet metal parts and saving cost.

基金项目：

作者简介：张凌云（1963-），男，博士，教授，硕士生导师，E-mail：zhangly79@163.com；通信作者：石绍秋（1994-），男，硕士研究生，E-mail：shishaoqiu@yeah.net

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