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유한요소해석을 활용한 소총 탄피받이 설계 개선 연구 KCI 등재

A Study on Design Improvement of Empty Cartridge Recovery Case using FEM Analysis

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한국기계기술학회지 (Journal of the Korean Society of Mechanical Technology)
한국기계기술학회 (Korean Society of Mechanical Technology)
초록

In military, empty cartridge recovery case of personal small arms is a device used to collect the empty cartridge after consumption of bullets. It has different shapes depending on the shape of small arms. However, It should be designed in a shape that wraps around the outlet for empty cartridge and it should be no restrictions to the movement of small arms. It has been used to spread military. but military is demanding design improvement due to frequent damage of empty cartridge recovery case. In this report, We improved the shape of the product in order to prevent damage to the product and verified through the FEM analysis and prototype test. According to the result of simulation, best modified modelling of this study has been reduced about 19% of the stress compared to initial modelling. In addition, modified products were confirmed durability, wearability and fixability through fire test.

저자
  • 김성수(Seoul Center, Defense Agency for Technology and Quality) | Seong-Soo Kim Corresponding Author
  • 임희준(University of Seoul Dept. Mechanical and Information Engineering, Defense Agency for Technology and Quality) | Hee-Jun Im