Hybrid Technology using 3D Printing and 5-axis Machining for Development of Prototype of the Eccentric Drive System

편심구동장치 시제품 개발을 위한 3D프린팅-5축가공 복합기술

  • 황종대 (제주관광대학교 메카트로닉스과) ;
  • 양준석 (제주관광대학교 메카트로닉스과) ;
  • 윤성환 (제주관광대학교 메카트로닉스과) ;
  • 정윤교 (창원대학교 기계공학과)
  • Received : 2016.01.08
  • Accepted : 2016.01.17
  • Published : 2016.04.30


Since a 5-axis machine tool has two rotary axes, it offers numerous advantages, such as flexible accessibility, longer tool life, better surface finish, and more accuracy. Moreover, it can conduct whole machining by rotating the rotary feed axes while setting the fixture at once without re-fixing in contrast to conventional 3-axis machining. However, it is difficult to produce complicated products that have a hollow shape. In contrast, 3D printing can produce an object with a complicated hollow shape easily and rapidly. However, because of layer thickness and shrinkage, its surface finish and dimensional accuracy are not adequate. Therefore, this study proposes hybrid technology by integrating the advantages of these two manufacturing processes. 3D printing was used as the additive manufacturing rapidly in the whole body, and 5-axis machining was used as the subtractive manufacturing accurately in the joining and driving places. The reliability of the proposed technology was verified through a comparison with conventional technology in the aspects of processing time, surface roughness. and dimensional accuracy.


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