Research on installation and application of an additive manufacturing gust lock bracket

Abstract

According to the requirement of the installation of 3D printing technology,after the completion of the verification of materials and processes,the permissible value test of specimen level additive manufacturing materials and the additive manufacturing part-level test are begun. Due to the process characteristics of additively manufactured parts,there is usually a difference in the mechanical properties of X-Y direction and Z direction,and there is a difference in the isotropic characteristics of the same sex in the design of traditional metal parts,so it is necessary to test its mechanical properties in simulating the real flight state. Taking the additive manufacturing gust lock bracket as an example,the maximum load state in the operation process of the aircraft is calculated,and the most typical load direction for tooling test scheme design is selected. Before the test starts,the engineering calculation and software simulation are carried out to predict the failure mode and failure load. The results show that the results of software simulation and engineering calculation are accurate and effective,and the mechanical properties of the additive manufacturing titanium alloy gust lock bracket are stable,which can withstand the test of extreme working conditions,and meet the installation requirements.

Keywords

• additive manufacturing
• gust lock bracket
• gust load
• pull-shear composite load
• gap