표제지
목차
기호 6
요약문 10
Abstract 11
1. 서론 12
2. 해석 모델 구성 14
2.1. 동역학 해석 모델 14
2.2. 구조 해석 모델 15
3. 유압식 텐셔너 23
3.1. 누출 갭 24
3.2. 오일 온도 25
4. 실험 계획 28
5. 해석 결과 30
5.1. 체인의 장력과 진동 30
5.2. Resonance rpm 32
5.3. 파손 이론 32
5.3.1. 폰 미세스 이론 33
5.3.2. 트레스카 이론 33
6. 검증 52
7. 결론 57
8. 참고문헌 59
Table 2-1. Engine Specification 16
Table 2-2. Part Geometry 17
Table 2-3. Material of Analysis Model 18
Table 3-1. Hydraulic Tensioner Specification 27
Table 4-1. Analysis Case 29
Table 5-1. Analysis Data 35
Table 5-2. SN Ratio 36
Table 6-1. Part Geometry, Model 2 53
Table 6-2. Analysis Data, Model 2 54
Figure 2-1. Chain Drive Layout 19
Figure 2-2. Crank Sprocket Layout 20
Figure 2-3. Finite Element Model of Sprocket 21
Figure 2-4. Boundary Condition of Sprocket 22
Figure 3-1. Composition of Hydraulic Tensioner 26
Figure 5-1. Chain Tension Force, h=0.01 mm 37
Figure 5-2. Chain Tension Force, h=0.03 mm 38
Figure 5-3. Chain Tension Force, h=0.05 mm 39
Figure 5-4. Chain Tension Force, T=60℃ 40
Figure 5-5. Chain Tension Force, T=90℃ 41
Figure 5-6. Chain Tension Force, T=120℃ 42
Figure 5-7. Chain Vibration, h=0.01 mm 43
Figure 5-8. Chain Vibration, h=0.03 mm 44
Figure 5-9. Chain Vibration, h=0.05 mm 45
Figure 5-10. Chain Vibration, T=60℃ 46
Figure 5-11. Chain Vibration, T=90℃ 47
Figure 5-12. Chain Vibration, T=120℃ 48
Figure 5-13. Average of SN Ratio, Leakage Gap Height 49
Figure 5-14. Average of SN Ratio, Oil Temperature 50
Figure 5-15. Von Mises and Tresca Criterion 51
Figure 6-1. Chain Tension Force, Model 2 55
Figure 6-2. Stress Distributions 56