표제지
목차
Nomenclature 9
Abstract 10
제1장 서론 13
1.1. 연구 배경 13
1.2. 연구 동향 17
1.3. 연구 내용 및 목적 20
제2장 크랭크샤프트 제작공정 22
2.1. 공정개요 22
2.2. 이송공정 27
2.3. 조립공정 30
2.3.1. 열박음 30
2.3.2. 가조립 연결공정 33
2.3.3. 홀가공 41
제3장 공정 개선 48
3.1. 실험장치 및 방법 48
3.1.1. 중량물 이동개요 48
3.1.2. 근접이송 계측방법 52
3.1.3. 실험방법 53
3.2. 계측결과 고찰 59
3.2.1. 영상처리기법을 적용한 변위계측 59
3.2.2. 개선결과 73
제4장 결론 80
참고문헌 81
Table 1.1. Crankshaft specifications and features 14
Table 2.1. Shrink fitting process overview 26
Table 2.2. Crane use cases 29
Table 2.3. Portable machine set-up 42
Table 3.1. 300Ton ceiling crane specifications 49
Table 3.2. Three crankshaft experiments 54
Table 3.3. Process for tightening two-part 74
Fig. 1.1. WinGD(Wartsila) W12X92DF designation 15
Fig. 1.2. Crankthrow (WinGD W12X92) 17
Fig. 1.3. Ceiling crane detailed name 20
Fig. 2.1. Assembled crankshaft 24
Fig. 2.2. Crankshaft a detailed name 25
Fig. 2.3. Schematic diagram of ceiling crane 29
Fig. 2.4. Shrink fitting single 32
Fig. 2.5. Shrink fitting assemble 32
Fig. 2.6. Part 2 a settled figure 33
Fig. 2.7. V-block desigin 34
Fig. 2.8. Two-part pre-fabrication block strike - (4 man) 35
Fig. 2.9. Two-part pre-fabrication dial gauge measurement 36
Fig. 2.10. After two-part jointing bolt formation 38
Fig. 2.11. Run-out measurement after two-part jointing 39
Fig. 2.12. Measure the tightening angle after two-part jointing 40
Fig. 2.13. Hole after joining two-part 44
Fig. 2.14. After processing the two-part hole, attach the chainwheel 45
Fig. 2.15. Two-part hole machining and honing work 46
Fig. 2.16. Two-part hole clean-up record paper 47
Fig. 3.1. 300Ton ceiling crane 50
Fig. 3.2. Displacement at impulse signal 51
Fig. 3.3. Configuration of displacement measurement... 52
Fig. 3.4. Dial gauge installed on flange to fore 53
Fig. 3.5. Base point (vertical plane 4m... 54
Fig. 3.6. Selection of reference points... 55
Fig. 3.7. Residual vibration time series image (W6X52) 56
Fig. 3.8. Residual vibration time series image(6G70ME-C) 57
Fig. 3.9. Residual vibration time series image (8S80MC-C) 58
Fig. 3.10. Block strike 61
Fig. 3.11. Hammer block strike five times... 64
Fig. 3.12. Hammer block strike five times... 64
Fig. 3.13. Hammer block strike five times displacement 65
Fig. 3.14. Residual vibration 66
Fig. 3.15. MDT 6G70ME-C residual vibration 68
Fig. 3.16. MDT 8S80MC-C residual vibration 70
Fig. 3.17. Residual vibration at each case 72
Fig. 3.18. Part 1 lifting for two-part engagement(W12X92) 75
Fig. 3.19. Measurement of gauges and bolts for two-part engagement 76
Fig. 3.20. Part 2 lifting for two-part engagement (11G95ME-C) 77
Fig. 3.21. Measurement of gauges and bolts for two-part engagement 78