지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
The main cause of die failure in hot forging is wear. Die wear directly generates the gradual loss of part tolerances, thereby causing deterioration in the dimensional accuracy of a forged part. It is very important to estimate forging cycles, called as die life, at which the die should be repaired or replaced. In this study, in order to estimate the hot forging die life, the finite element simulation of wear on an asymmetric part like a ball joint socket used in vehicle was carried out based on Archard"s model. Finite element simulation results were compared with wear amounts of a used die that were measured using a contact stylus profilometer. The simulation results were in relatively good agreement with measurements obtained from the virtual die which was used by 7,000 forging cycles in a forging industry. Consequently, the die life in the hot forging of the ball joint socket was estimated by 10,500 forging cycles on the finisher die.
목차
ABSTRACT
1. 서론
2. Archard 마멸 모델
3. 재료 및 금형의 형상 측정
4. 유한요소해석
5. 결과 및 고찰
6. 결론
REFERENCES
참고문헌 (16)
참고문헌 신청
1. [학술대회논문] - Lange, K. / 1985 / Cost Minimization in Small Quantity Production of Stepped Shafts by Combined NC-Radial Forging and NC-Turning - A New Approach to Flexible Manufacturing System / Annals of the CIRP
2. [학술대회논문] - Cser, L. / 1993 / Tool Life and Tool Quality in Bulk Metal Forming / Proc. Int. Mech. Engrs 207 : 223 ~ 239
3. [학술대회논문] - Kim, H. Y / 1993 / An Analysis of Hot Closed-Die Forging to Reduce Forging Load and Die Wear / Proc. of the KSME 1993 Spring Conference : 839 ~ 844
4. [학술지(정기간행물)] - Kang, J. H / 1998 / A Study on Prediction of Die Life of Warm Forging by wear / J. of the Korean Society for Tech. Pl. 7 (3) : 274 ~ 290
5. [학술지(정기간행물)] - Archard, J. F / 1953 / Contacts and Rubbing of Flat Surfaces / J. of Applied Physics 24 : 981 ~ 988
2. [학술대회논문] - Cser, L. / 1993 / Tool Life and Tool Quality in Bulk Metal Forming / Proc. Int. Mech. Engrs 207 : 223 ~ 239
3. [학술대회논문] - Kim, H. Y / 1993 / An Analysis of Hot Closed-Die Forging to Reduce Forging Load and Die Wear / Proc. of the KSME 1993 Spring Conference : 839 ~ 844
4. [학술지(정기간행물)] - Kang, J. H / 1998 / A Study on Prediction of Die Life of Warm Forging by wear / J. of the Korean Society for Tech. Pl. 7 (3) : 274 ~ 290
5. [학술지(정기간행물)] - Archard, J. F / 1953 / Contacts and Rubbing of Flat Surfaces / J. of Applied Physics 24 : 981 ~ 988
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