Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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The Optimal Design Technique for Improving Durability of Spline Shaft of the Self Propelled Artillery' Generator

자주포 발전기 스플라인 축 내구성 향상을 위한 최적 설계 기법

  • Kim, Byeong Ho (Changwon Center, Defense Agency for Technology and Quality) ;
  • Kang, Hyen Jae (Changwon Center, Defense Agency for Technology and Quality) ;
  • Park, Young Il (Changwon Center, Defense Agency for Technology and Quality) ;
  • Seo, Jae Hyun (Changwon Center, Defense Agency for Technology and Quality)
  • 김병호 (국방기술품질원 창원센터) ;
  • 강현제 (국방기술품질원 창원센터) ;
  • 박영일 (국방기술품질원 창원센터) ;
  • 서재현 (국방기술품질원 창원센터)
  • Received : 2015.05.21
  • Accepted : 2015.09.04
  • Published : 2015.10.05
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Abstract

In this study, the experimental and analytical investigation on structural integrity evaluation of spline shaft of self propelled artillery' generator were carried out. For this work, macro and microstructure fractography of spline shaft were observed. According to the results of the structure analysis and simulation, the shaft was redesigned and optimized. To improve the stiffness and shear stress, the material was changed from the SNCM220 to SNCM439 and surface roughness and protective coating treatment are changed to increase the stress relaxation, respectively. From the result of the torsion test of shaft and accelerated life test of generator, the shaft of a SNCM439 with heat-treatment(Q/T) and electroless nickel plating was superior quality reliability and durability than the others. Therefore, modeling and simulation corresponded well with the experimental result and structural safety was confirmed by generator performing.

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References

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