Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Mechanical Vibration Characteristics Analysis of a Counterblow Hammer Press in the Forging Process

카운터블로 해머 프레스 단조공정의 기계진동 특성 해석

  • 김수태 (창원대학교 기계공학부) ;
  • 주경진 (창원대학교 대학원 기계공학전공) ;
  • 박근종 ((주) 영진테크) ;
  • 최영휴 (창원대학교 기계공학부)
  • Received : 2022.05.03
  • Accepted : 2022.06.27
  • Published : 2022.08.31
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Abstract

The vibration characteristics of a hammer press are important parameters for machine design and production control. In this study, a counterblow hammer press was mathematically modelled as a mass-spring-damper system in order to analyze its vibration characteristics. The forging efficiency was theoretically derived as a function of the mass ratio, momentum ratio, and the coefficient of restitution And the effects of the mass ratio, momentum ratio and the restitution coefficient on the forging efficiency were also investigated for two particular cases of the unit mass ratio and unit momentum ratio. Additionally, the vibration responses of the counterblow hammer press due to the ram colliding impact were analyzed, and the force transmitted to the foundation through the mounting unit was determined.

Keywords

Acknowledgement

본 논문은 산업통상자원부 에너지기술개발사업의 "15,000TON급/30년 이상 노후 대형프레스 재제조 및 시스템 기술개발" 과제(과제번호 20206310100220)의 일환으로 연구되었습니다.

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